Schedule III - Real Estate and Accumulated Depreciation (Details) - USD ($) $ in Thousands |
12 Months Ended |
|
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Real Estate and Accumulated Depreciation |
|
|
|
|
Encumbrances |
$ 164,506
|
|
|
|
Initial Cost |
|
|
|
|
Land |
697,810
|
|
|
|
Building and Land Improvements |
2,902,516
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
380,487
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
697,810
|
|
|
|
Building and Land Improvements |
3,283,003
|
|
|
|
Total |
3,980,813
|
$ 3,874,715
|
$ 4,158,616
|
$ 4,014,336
|
Accumulated Depreciation |
(801,038)
|
(715,951)
|
(718,680)
|
$ (703,083)
|
Additional information |
|
|
|
|
Debt excluded from encumbrances |
1,828,333
|
1,904,001
|
|
|
Net discounts and deferred financing costs |
13,800
|
|
|
|
Aggregate cost of assets for federal income tax purposes |
3,500,000
|
|
|
|
Impairment losses |
$ 15,123
|
101,391
|
$ 23,289
|
|
Buildings improvements [Member] | Minimum [Member] |
|
|
|
|
Additional information |
|
|
|
|
Estimated lives over which depreciation is recognized |
10 years
|
|
|
|
Buildings improvements [Member] | Maximum [Member] |
|
|
|
|
Additional information |
|
|
|
|
Estimated lives over which depreciation is recognized |
40 years
|
|
|
|
Term Loan Facilities [Member] |
|
|
|
|
Additional information |
|
|
|
|
Debt excluded from encumbrances |
$ 347,959
|
$ 547,494
|
|
|
Unsecured Senior Notes [Member] |
|
|
|
|
Additional information |
|
|
|
|
Debt excluded from encumbrances |
1,200,000
|
|
|
|
Unsecured notes payable [Member] |
|
|
|
|
Additional information |
|
|
|
|
Debt excluded from encumbrances |
1,300
|
|
|
|
Fixed rate mortgage loans [Member] |
|
|
|
|
Additional information |
|
|
|
|
Net discounts and deferred financing costs |
668
|
|
|
|
100 Light Street [Member] |
|
|
|
|
Real Estate and Accumulated Depreciation |
|
|
|
|
Encumbrances |
49,378
|
|
|
|
Initial Cost |
|
|
|
|
Land |
26,715
|
|
|
|
Building and Land Improvements |
58,343
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
5,286
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
26,715
|
|
|
|
Building and Land Improvements |
63,629
|
|
|
|
Total |
90,344
|
|
|
|
Accumulated Depreciation |
(9,467)
|
|
|
|
1000 Redstone Gateway [Member] |
|
|
|
|
Real Estate and Accumulated Depreciation |
|
|
|
|
Encumbrances |
10,730
|
|
|
|
Initial Cost |
|
|
|
|
Land |
0
|
|
|
|
Building and Land Improvements |
20,533
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
5
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
0
|
|
|
|
Building and Land Improvements |
20,538
|
|
|
|
Total |
20,538
|
|
|
|
Accumulated Depreciation |
(2,465)
|
|
|
|
1100 Redstone Gateway [Member] |
|
|
|
|
Real Estate and Accumulated Depreciation |
|
|
|
|
Encumbrances |
11,222
|
|
|
|
Initial Cost |
|
|
|
|
Land |
0
|
|
|
|
Building and Land Improvements |
19,593
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
0
|
|
|
|
Building and Land Improvements |
19,593
|
|
|
|
Total |
19,593
|
|
|
|
Accumulated Depreciation |
(1,945)
|
|
|
|
114 National Business Parkway [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
364
|
|
|
|
Building and Land Improvements |
3,109
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
118
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
364
|
|
|
|
Building and Land Improvements |
3,227
|
|
|
|
Total |
3,591
|
|
|
|
Accumulated Depreciation |
(1,309)
|
|
|
|
11751 Meadowville Lane [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,305
|
|
|
|
Building and Land Improvements |
52,098
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
112
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,305
|
|
|
|
Building and Land Improvements |
52,210
|
|
|
|
Total |
53,515
|
|
|
|
Accumulated Depreciation |
(14,845)
|
|
|
|
1200 Redstone Gateway [Member] |
|
|
|
|
Real Estate and Accumulated Depreciation |
|
|
|
|
Encumbrances |
12,973
|
|
|
|
Initial Cost |
|
|
|
|
Land |
0
|
|
|
|
Building and Land Improvements |
22,389
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
0
|
|
|
|
Building and Land Improvements |
22,389
|
|
|
|
Total |
22,389
|
|
|
|
Accumulated Depreciation |
(2,264)
|
|
|
|
1201 M Street [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
0
|
|
|
|
Building and Land Improvements |
49,785
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
8,590
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
0
|
|
|
|
Building and Land Improvements |
58,375
|
|
|
|
Total |
58,375
|
|
|
|
Accumulated Depreciation |
(12,800)
|
|
|
|
1201 Winterson Road [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,288
|
|
|
|
Building and Land Improvements |
16,433
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
460
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,288
|
|
|
|
Building and Land Improvements |
16,893
|
|
|
|
Total |
18,181
|
|
|
|
Accumulated Depreciation |
(4,279)
|
|
|
|
1220 12th Street, SE [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
0
|
|
|
|
Building and Land Improvements |
42,464
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
5,820
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
0
|
|
|
|
Building and Land Improvements |
48,284
|
|
|
|
Total |
48,284
|
|
|
|
Accumulated Depreciation |
(11,719)
|
|
|
|
1243 Winterson Road [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
630
|
|
|
|
Building and Land Improvements |
0
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
630
|
|
|
|
Building and Land Improvements |
0
|
|
|
|
Total |
630
|
|
|
|
131 National Business Parkway [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,906
|
|
|
|
Building and Land Improvements |
7,623
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
3,868
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,906
|
|
|
|
Building and Land Improvements |
11,491
|
|
|
|
Total |
13,397
|
|
|
|
Accumulated Depreciation |
(6,286)
|
|
|
|
132 National Business Parkway [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
2,917
|
|
|
|
Building and Land Improvements |
12,259
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
4,124
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
2,917
|
|
|
|
Building and Land Improvements |
16,383
|
|
|
|
Total |
19,300
|
|
|
|
Accumulated Depreciation |
(8,715)
|
|
|
|
133 National Business Parkway [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
2,517
|
|
|
|
Building and Land Improvements |
10,068
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
5,544
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
2,517
|
|
|
|
Building and Land Improvements |
15,612
|
|
|
|
Total |
18,129
|
|
|
|
Accumulated Depreciation |
(9,234)
|
|
|
|
134 National Business Parkway [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
3,684
|
|
|
|
Building and Land Improvements |
7,517
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
3,691
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
3,684
|
|
|
|
Building and Land Improvements |
11,208
|
|
|
|
Total |
14,892
|
|
|
|
Accumulated Depreciation |
(5,419)
|
|
|
|
1340 Ashton Road [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
905
|
|
|
|
Building and Land Improvements |
3,620
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
1,470
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
905
|
|
|
|
Building and Land Improvements |
5,090
|
|
|
|
Total |
5,995
|
|
|
|
Accumulated Depreciation |
(2,854)
|
|
|
|
13450 Sunrise Valley Road [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,386
|
|
|
|
Building and Land Improvements |
5,576
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
4,553
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,386
|
|
|
|
Building and Land Improvements |
10,129
|
|
|
|
Total |
11,515
|
|
|
|
Accumulated Depreciation |
(4,808)
|
|
|
|
13454 Sunrise Valley Road [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
2,899
|
|
|
|
Building and Land Improvements |
11,986
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
7,071
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
2,899
|
|
|
|
Building and Land Improvements |
19,057
|
|
|
|
Total |
21,956
|
|
|
|
Accumulated Depreciation |
(9,262)
|
|
|
|
135 National Business Parkway [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
2,484
|
|
|
|
Building and Land Improvements |
9,750
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
6,075
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
2,484
|
|
|
|
Building and Land Improvements |
15,825
|
|
|
|
Total |
18,309
|
|
|
|
Accumulated Depreciation |
(7,970)
|
|
|
|
1362 Mellon Road [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
950
|
|
|
|
Building and Land Improvements |
3,864
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
206
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
950
|
|
|
|
Building and Land Improvements |
4,070
|
|
|
|
Total |
5,020
|
|
|
|
Accumulated Depreciation |
(192)
|
|
|
|
13857 McLearen Road [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
3,507
|
|
|
|
Building and Land Improvements |
30,177
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
1,768
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
3,507
|
|
|
|
Building and Land Improvements |
31,945
|
|
|
|
Total |
35,452
|
|
|
|
Accumulated Depreciation |
(10,100)
|
|
|
|
140 National Business Parkway [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
3,407
|
|
|
|
Building and Land Improvements |
24,167
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
1,487
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
3,407
|
|
|
|
Building and Land Improvements |
25,654
|
|
|
|
Total |
29,061
|
|
|
|
Accumulated Depreciation |
(8,907)
|
|
|
|
141 National Business Parkway [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
2,398
|
|
|
|
Building and Land Improvements |
9,538
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
4,815
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
2,398
|
|
|
|
Building and Land Improvements |
14,353
|
|
|
|
Total |
16,751
|
|
|
|
Accumulated Depreciation |
(7,409)
|
|
|
|
14280 Park Meadow Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
3,731
|
|
|
|
Building and Land Improvements |
15,953
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
2,628
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
3,731
|
|
|
|
Building and Land Improvements |
18,581
|
|
|
|
Total |
22,312
|
|
|
|
Accumulated Depreciation |
(7,326)
|
|
|
|
1460 Dorsey Road [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,577
|
|
|
|
Building and Land Improvements |
33
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,577
|
|
|
|
Building and Land Improvements |
33
|
|
|
|
Total |
1,610
|
|
|
|
14840 Conference Center Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,572
|
|
|
|
Building and Land Improvements |
8,175
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
3,092
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,572
|
|
|
|
Building and Land Improvements |
11,267
|
|
|
|
Total |
12,839
|
|
|
|
Accumulated Depreciation |
(5,410)
|
|
|
|
14850 Conference Center Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,615
|
|
|
|
Building and Land Improvements |
8,358
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
3,072
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,615
|
|
|
|
Building and Land Improvements |
11,430
|
|
|
|
Total |
13,045
|
|
|
|
Accumulated Depreciation |
(5,857)
|
|
|
|
14900 Conference Center Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
3,436
|
|
|
|
Building and Land Improvements |
14,402
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
6,239
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
3,436
|
|
|
|
Building and Land Improvements |
20,641
|
|
|
|
Total |
24,077
|
|
|
|
Accumulated Depreciation |
(10,027)
|
|
|
|
1501 South Clinton Street [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
27,964
|
|
|
|
Building and Land Improvements |
51,990
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
13,670
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
27,964
|
|
|
|
Building and Land Improvements |
65,660
|
|
|
|
Total |
93,624
|
|
|
|
Accumulated Depreciation |
(19,942)
|
|
|
|
15049 Conference Center Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
4,415
|
|
|
|
Building and Land Improvements |
20,365
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
14,994
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
4,415
|
|
|
|
Building and Land Improvements |
35,359
|
|
|
|
Total |
39,774
|
|
|
|
Accumulated Depreciation |
(12,097)
|
|
|
|
15059 Conference Center Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
5,753
|
|
|
|
Building and Land Improvements |
13,615
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
3,645
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
5,753
|
|
|
|
Building and Land Improvements |
17,260
|
|
|
|
Total |
23,013
|
|
|
|
Accumulated Depreciation |
(7,907)
|
|
|
|
1550 West Nursery Road [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
14,071
|
|
|
|
Building and Land Improvements |
16,930
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
14,071
|
|
|
|
Building and Land Improvements |
16,930
|
|
|
|
Total |
31,001
|
|
|
|
Accumulated Depreciation |
(4,802)
|
|
|
|
1560 West Nursery Road [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,441
|
|
|
|
Building and Land Improvements |
113
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,441
|
|
|
|
Building and Land Improvements |
113
|
|
|
|
Total |
1,554
|
|
|
|
Accumulated Depreciation |
(10)
|
|
|
|
1610 West Nursery Road [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
259
|
|
|
|
Building and Land Improvements |
246
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
259
|
|
|
|
Building and Land Improvements |
246
|
|
|
|
Total |
505
|
|
|
|
Accumulated Depreciation |
(5)
|
|
|
|
1616 West Nursery Road [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
393
|
|
|
|
Building and Land Improvements |
2,919
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
393
|
|
|
|
Building and Land Improvements |
2,919
|
|
|
|
Total |
3,312
|
|
|
|
Accumulated Depreciation |
(13)
|
|
|
|
1622 West Nursery Road [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
393
|
|
|
|
Building and Land Improvements |
2,477
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
393
|
|
|
|
Building and Land Improvements |
2,477
|
|
|
|
Total |
2,870
|
|
|
|
Accumulated Depreciation |
(53)
|
|
|
|
16442 Commerce Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
613
|
|
|
|
Building and Land Improvements |
2,582
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
891
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
613
|
|
|
|
Building and Land Improvements |
3,473
|
|
|
|
Total |
4,086
|
|
|
|
Accumulated Depreciation |
(1,538)
|
|
|
|
16480 Commerce Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,856
|
|
|
|
Building and Land Improvements |
7,425
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
2,068
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,856
|
|
|
|
Building and Land Improvements |
9,493
|
|
|
|
Total |
11,349
|
|
|
|
Accumulated Depreciation |
(3,279)
|
|
|
|
16501 Commerce Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
522
|
|
|
|
Building and Land Improvements |
2,090
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
727
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
522
|
|
|
|
Building and Land Improvements |
2,817
|
|
|
|
Total |
3,339
|
|
|
|
Accumulated Depreciation |
(975)
|
|
|
|
16539 Commerce Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
688
|
|
|
|
Building and Land Improvements |
2,860
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
1,892
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
688
|
|
|
|
Building and Land Improvements |
4,752
|
|
|
|
Total |
5,440
|
|
|
|
Accumulated Depreciation |
(2,325)
|
|
|
|
16541 Commerce Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
773
|
|
|
|
Building and Land Improvements |
3,094
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
1,757
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
773
|
|
|
|
Building and Land Improvements |
4,851
|
|
|
|
Total |
5,624
|
|
|
|
Accumulated Depreciation |
(2,026)
|
|
|
|
16543 Commerce Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
436
|
|
|
|
Building and Land Improvements |
1,742
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
716
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
436
|
|
|
|
Building and Land Improvements |
2,458
|
|
|
|
Total |
2,894
|
|
|
|
Accumulated Depreciation |
(839)
|
|
|
|
1751 Pinnacle Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
10,486
|
|
|
|
Building and Land Improvements |
42,339
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
27,048
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
10,486
|
|
|
|
Building and Land Improvements |
69,387
|
|
|
|
Total |
79,873
|
|
|
|
Accumulated Depreciation |
(29,582)
|
|
|
|
1753 Pinnacle Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
8,275
|
|
|
|
Building and Land Improvements |
34,353
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
16,648
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
8,275
|
|
|
|
Building and Land Improvements |
51,001
|
|
|
|
Total |
59,276
|
|
|
|
Accumulated Depreciation |
(18,757)
|
|
|
|
206 Research Boulevard [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
0
|
|
|
|
Building and Land Improvements |
132
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
0
|
|
|
|
Building and Land Improvements |
132
|
|
|
|
Total |
132
|
|
|
|
Accumulated Depreciation |
(132)
|
|
|
|
209 Research Boulevard [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
134
|
|
|
|
Building and Land Improvements |
1,711
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
175
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
134
|
|
|
|
Building and Land Improvements |
1,886
|
|
|
|
Total |
2,020
|
|
|
|
Accumulated Depreciation |
(283)
|
|
|
|
210 Research Boulevard [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
113
|
|
|
|
Building and Land Improvements |
1,402
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
86
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
113
|
|
|
|
Building and Land Improvements |
1,488
|
|
|
|
Total |
1,601
|
|
|
|
Accumulated Depreciation |
(174)
|
|
|
|
2100 L Street [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
55,615
|
|
|
|
Building and Land Improvements |
9,073
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
55,615
|
|
|
|
Building and Land Improvements |
9,073
|
|
|
|
Total |
64,688
|
|
|
|
2100 Rideout Road [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
0
|
|
|
|
Building and Land Improvements |
5,003
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
2,881
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
0
|
|
|
|
Building and Land Improvements |
7,884
|
|
|
|
Total |
7,884
|
|
|
|
Accumulated Depreciation |
(438)
|
|
|
|
22289 Exploration Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,422
|
|
|
|
Building and Land Improvements |
5,719
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
1,829
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,422
|
|
|
|
Building and Land Improvements |
7,548
|
|
|
|
Total |
8,970
|
|
|
|
Accumulated Depreciation |
(3,415)
|
|
|
|
22299 Exploration Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,362
|
|
|
|
Building and Land Improvements |
5,791
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
2,308
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,362
|
|
|
|
Building and Land Improvements |
8,099
|
|
|
|
Total |
9,461
|
|
|
|
Accumulated Depreciation |
(3,768)
|
|
|
|
22300 Exploration Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,094
|
|
|
|
Building and Land Improvements |
5,038
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
1,489
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,094
|
|
|
|
Building and Land Improvements |
6,527
|
|
|
|
Total |
7,621
|
|
|
|
Accumulated Depreciation |
(2,432)
|
|
|
|
22309 Exploration Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
2,243
|
|
|
|
Building and Land Improvements |
10,419
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
7,967
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
2,243
|
|
|
|
Building and Land Improvements |
18,386
|
|
|
|
Total |
20,629
|
|
|
|
Accumulated Depreciation |
(6,087)
|
|
|
|
23535 Cottonwood Parkway [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
692
|
|
|
|
Building and Land Improvements |
3,051
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
537
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
692
|
|
|
|
Building and Land Improvements |
3,588
|
|
|
|
Total |
4,280
|
|
|
|
Accumulated Depreciation |
(1,527)
|
|
|
|
250 W Pratt St [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
8,057
|
|
|
|
Building and Land Improvements |
34,588
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
6,942
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
8,057
|
|
|
|
Building and Land Improvements |
41,530
|
|
|
|
Total |
49,587
|
|
|
|
Accumulated Depreciation |
(6,972)
|
|
|
|
2500 Riva Road [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
2,791
|
|
|
|
Building and Land Improvements |
12,145
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
1
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
2,791
|
|
|
|
Building and Land Improvements |
12,146
|
|
|
|
Total |
14,937
|
|
|
|
Accumulated Depreciation |
(5,105)
|
|
|
|
2600 Park Tower Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
20,304
|
|
|
|
Building and Land Improvements |
34,443
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
517
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
20,304
|
|
|
|
Building and Land Improvements |
34,960
|
|
|
|
Total |
55,264
|
|
|
|
Accumulated Depreciation |
(3,708)
|
|
|
|
2691 Technology Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
2,098
|
|
|
|
Building and Land Improvements |
17,334
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
5,563
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
2,098
|
|
|
|
Building and Land Improvements |
22,897
|
|
|
|
Total |
24,995
|
|
|
|
Accumulated Depreciation |
(9,630)
|
|
|
|
2701 Technology Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,737
|
|
|
|
Building and Land Improvements |
15,266
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
4,398
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,737
|
|
|
|
Building and Land Improvements |
19,664
|
|
|
|
Total |
21,401
|
|
|
|
Accumulated Depreciation |
(9,676)
|
|
|
|
2711 Technology Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
2,251
|
|
|
|
Building and Land Improvements |
21,611
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
1,899
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
2,251
|
|
|
|
Building and Land Improvements |
23,510
|
|
|
|
Total |
25,761
|
|
|
|
Accumulated Depreciation |
(11,727)
|
|
|
|
2720 Technology Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
3,863
|
|
|
|
Building and Land Improvements |
29,272
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
1,218
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
3,863
|
|
|
|
Building and Land Improvements |
30,490
|
|
|
|
Total |
34,353
|
|
|
|
Accumulated Depreciation |
(10,261)
|
|
|
|
2721 Technology Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
4,611
|
|
|
|
Building and Land Improvements |
14,597
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
1,270
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
4,611
|
|
|
|
Building and Land Improvements |
15,867
|
|
|
|
Total |
20,478
|
|
|
|
Accumulated Depreciation |
(7,484)
|
|
|
|
2730 Hercules Road [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
8,737
|
|
|
|
Building and Land Improvements |
31,612
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
8,697
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
8,737
|
|
|
|
Building and Land Improvements |
40,309
|
|
|
|
Total |
49,046
|
|
|
|
Accumulated Depreciation |
(18,673)
|
|
|
|
30 Light Street [Member] |
|
|
|
|
Real Estate and Accumulated Depreciation |
|
|
|
|
Encumbrances |
4,153
|
|
|
|
Initial Cost |
|
|
|
|
Land |
0
|
|
|
|
Building and Land Improvements |
12,101
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
629
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
0
|
|
|
|
Building and Land Improvements |
12,730
|
|
|
|
Total |
12,730
|
|
|
|
Accumulated Depreciation |
(753)
|
|
|
|
300 Sentinel Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,517
|
|
|
|
Building and Land Improvements |
59,165
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
925
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,517
|
|
|
|
Building and Land Improvements |
60,090
|
|
|
|
Total |
61,607
|
|
|
|
Accumulated Depreciation |
(11,562)
|
|
|
|
302 Sentinel Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
2,648
|
|
|
|
Building and Land Improvements |
29,687
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
468
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
2,648
|
|
|
|
Building and Land Improvements |
30,155
|
|
|
|
Total |
32,803
|
|
|
|
Accumulated Depreciation |
(7,579)
|
|
|
|
304 Sentinel Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
3,411
|
|
|
|
Building and Land Improvements |
24,917
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
202
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
3,411
|
|
|
|
Building and Land Improvements |
25,119
|
|
|
|
Total |
28,530
|
|
|
|
Accumulated Depreciation |
(7,610)
|
|
|
|
306 Sentinel Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
3,260
|
|
|
|
Building and Land Improvements |
22,592
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
961
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
3,260
|
|
|
|
Building and Land Improvements |
23,553
|
|
|
|
Total |
26,813
|
|
|
|
Accumulated Depreciation |
(6,631)
|
|
|
|
308 Sentinel Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,422
|
|
|
|
Building and Land Improvements |
26,208
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
2,396
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,422
|
|
|
|
Building and Land Improvements |
28,604
|
|
|
|
Total |
30,026
|
|
|
|
Accumulated Depreciation |
(4,370)
|
|
|
|
310 Sentinel Way [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
2,372
|
|
|
|
Building and Land Improvements |
38,865
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
2,372
|
|
|
|
Building and Land Improvements |
38,865
|
|
|
|
Total |
41,237
|
|
|
|
Accumulated Depreciation |
(1,977)
|
|
|
|
310 The Bridge Street [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
261
|
|
|
|
Building and Land Improvements |
26,531
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
3,762
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
261
|
|
|
|
Building and Land Improvements |
30,293
|
|
|
|
Total |
30,554
|
|
|
|
Accumulated Depreciation |
(7,430)
|
|
|
|
312 Sentinel Way [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
3,138
|
|
|
|
Building and Land Improvements |
27,797
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
3,138
|
|
|
|
Building and Land Improvements |
27,797
|
|
|
|
Total |
30,935
|
|
|
|
Accumulated Depreciation |
(2,304)
|
|
|
|
314 Sentinel Way [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,254
|
|
|
|
Building and Land Improvements |
7,741
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,254
|
|
|
|
Building and Land Improvements |
7,741
|
|
|
|
Total |
8,995
|
|
|
|
Accumulated Depreciation |
(548)
|
|
|
|
316 Sentinel Way [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
2,748
|
|
|
|
Building and Land Improvements |
38,156
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
145
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
2,748
|
|
|
|
Building and Land Improvements |
38,301
|
|
|
|
Total |
41,049
|
|
|
|
Accumulated Depreciation |
(5,507)
|
|
|
|
318 Sentinel Way [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
2,185
|
|
|
|
Building and Land Improvements |
28,426
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
560
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
2,185
|
|
|
|
Building and Land Improvements |
28,986
|
|
|
|
Total |
31,171
|
|
|
|
Accumulated Depreciation |
(8,416)
|
|
|
|
320 Sentinel Way [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
2,067
|
|
|
|
Building and Land Improvements |
21,623
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
2,067
|
|
|
|
Building and Land Improvements |
21,623
|
|
|
|
Total |
23,690
|
|
|
|
Accumulated Depreciation |
(5,391)
|
|
|
|
322 Sentinel Way [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
2,605
|
|
|
|
Building and Land Improvements |
22,827
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
1,900
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
2,605
|
|
|
|
Building and Land Improvements |
24,727
|
|
|
|
Total |
27,332
|
|
|
|
Accumulated Depreciation |
(6,286)
|
|
|
|
324 Sentinel Way [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,656
|
|
|
|
Building and Land Improvements |
23,018
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,656
|
|
|
|
Building and Land Improvements |
23,018
|
|
|
|
Total |
24,674
|
|
|
|
Accumulated Depreciation |
(4,229)
|
|
|
|
4000 Market Street [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
0
|
|
|
|
Building and Land Improvements |
466
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
0
|
|
|
|
Building and Land Improvements |
466
|
|
|
|
Total |
466
|
|
|
|
4100 Market Street [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
0
|
|
|
|
Building and Land Improvements |
1,013
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
0
|
|
|
|
Building and Land Improvements |
1,013
|
|
|
|
Total |
1,013
|
|
|
|
410 National Business Parkway [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,831
|
|
|
|
Building and Land Improvements |
23,257
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
119
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,831
|
|
|
|
Building and Land Improvements |
23,376
|
|
|
|
Total |
25,207
|
|
|
|
Accumulated Depreciation |
(2,904)
|
|
|
|
420 National Business Parkway [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
2,370
|
|
|
|
Building and Land Improvements |
27,750
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
108
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
2,370
|
|
|
|
Building and Land Improvements |
27,858
|
|
|
|
Total |
30,228
|
|
|
|
Accumulated Depreciation |
(2,635)
|
|
|
|
430 National Business Parkway [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,852
|
|
|
|
Building and Land Improvements |
21,563
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
126
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,852
|
|
|
|
Building and Land Improvements |
21,689
|
|
|
|
Total |
23,541
|
|
|
|
Accumulated Depreciation |
(3,127)
|
|
|
|
44408 Pecan Court [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
817
|
|
|
|
Building and Land Improvements |
1,583
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
1,490
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
817
|
|
|
|
Building and Land Improvements |
3,073
|
|
|
|
Total |
3,890
|
|
|
|
Accumulated Depreciation |
(838)
|
|
|
|
44414 Pecan Court [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
405
|
|
|
|
Building and Land Improvements |
1,619
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
1,033
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
405
|
|
|
|
Building and Land Improvements |
2,652
|
|
|
|
Total |
3,057
|
|
|
|
Accumulated Depreciation |
(954)
|
|
|
|
44417 Pecan Court [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
434
|
|
|
|
Building and Land Improvements |
3,822
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
148
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
434
|
|
|
|
Building and Land Improvements |
3,970
|
|
|
|
Total |
4,404
|
|
|
|
Accumulated Depreciation |
(1,448)
|
|
|
|
44420 Pecan Court [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
344
|
|
|
|
Building and Land Improvements |
890
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
168
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
344
|
|
|
|
Building and Land Improvements |
1,058
|
|
|
|
Total |
1,402
|
|
|
|
Accumulated Depreciation |
(368)
|
|
|
|
44425 Pecan Court [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,309
|
|
|
|
Building and Land Improvements |
3,506
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
1,881
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,309
|
|
|
|
Building and Land Improvements |
5,387
|
|
|
|
Total |
6,696
|
|
|
|
Accumulated Depreciation |
(2,419)
|
|
|
|
45310 Abell House Lane [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
2,272
|
|
|
|
Building and Land Improvements |
13,808
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
147
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
2,272
|
|
|
|
Building and Land Improvements |
13,955
|
|
|
|
Total |
16,227
|
|
|
|
Accumulated Depreciation |
(2,094)
|
|
|
|
46579 Expedition Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,406
|
|
|
|
Building and Land Improvements |
5,796
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
1,680
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,406
|
|
|
|
Building and Land Improvements |
7,476
|
|
|
|
Total |
8,882
|
|
|
|
Accumulated Depreciation |
(3,421)
|
|
|
|
46591 Expedition Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,200
|
|
|
|
Building and Land Improvements |
7,199
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
1,226
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,200
|
|
|
|
Building and Land Improvements |
8,425
|
|
|
|
Total |
9,625
|
|
|
|
Accumulated Depreciation |
(2,652)
|
|
|
|
4851 Stonecroft Boulevard [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,878
|
|
|
|
Building and Land Improvements |
11,558
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
21
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,878
|
|
|
|
Building and Land Improvements |
11,579
|
|
|
|
Total |
13,457
|
|
|
|
Accumulated Depreciation |
(3,827)
|
|
|
|
540 National Business Parkway [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
2,035
|
|
|
|
Building and Land Improvements |
29,490
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
2,035
|
|
|
|
Building and Land Improvements |
29,490
|
|
|
|
Total |
31,525
|
|
|
|
Accumulated Depreciation |
(260)
|
|
|
|
5520 Research Park Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
0
|
|
|
|
Building and Land Improvements |
20,072
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
1,018
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
0
|
|
|
|
Building and Land Improvements |
21,090
|
|
|
|
Total |
21,090
|
|
|
|
Accumulated Depreciation |
(4,260)
|
|
|
|
5522 Research Park Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
0
|
|
|
|
Building and Land Improvements |
4,550
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
210
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
0
|
|
|
|
Building and Land Improvements |
4,760
|
|
|
|
Total |
4,760
|
|
|
|
Accumulated Depreciation |
(1,185)
|
|
|
|
5801 University Research Court [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
0
|
|
|
|
Building and Land Improvements |
9,423
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
0
|
|
|
|
Building and Land Improvements |
9,423
|
|
|
|
Total |
9,423
|
|
|
|
Accumulated Depreciation |
(36)
|
|
|
|
5825 University Research Court [Member] |
|
|
|
|
Real Estate and Accumulated Depreciation |
|
|
|
|
Encumbrances |
21,284
|
|
|
|
Initial Cost |
|
|
|
|
Land |
0
|
|
|
|
Building and Land Improvements |
22,771
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
666
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
0
|
|
|
|
Building and Land Improvements |
23,437
|
|
|
|
Total |
23,437
|
|
|
|
Accumulated Depreciation |
(5,020)
|
|
|
|
5850 University Research Court [Member] |
|
|
|
|
Real Estate and Accumulated Depreciation |
|
|
|
|
Encumbrances |
22,517
|
|
|
|
Initial Cost |
|
|
|
|
Land |
0
|
|
|
|
Building and Land Improvements |
31,906
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
405
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
0
|
|
|
|
Building and Land Improvements |
32,311
|
|
|
|
Total |
32,311
|
|
|
|
Accumulated Depreciation |
(6,306)
|
|
|
|
6700 Alexander Bell Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,755
|
|
|
|
Building and Land Improvements |
7,019
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
6,866
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,755
|
|
|
|
Building and Land Improvements |
13,885
|
|
|
|
Total |
15,640
|
|
|
|
Accumulated Depreciation |
(6,916)
|
|
|
|
6708 Alexander Bell Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
897
|
|
|
|
Building and Land Improvements |
11,984
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
1,605
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
897
|
|
|
|
Building and Land Improvements |
13,589
|
|
|
|
Total |
14,486
|
|
|
|
Accumulated Depreciation |
(3,839)
|
|
|
|
6711 Columbia Gateway Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
2,683
|
|
|
|
Building and Land Improvements |
23,239
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
1,278
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
2,683
|
|
|
|
Building and Land Improvements |
24,517
|
|
|
|
Total |
27,200
|
|
|
|
Accumulated Depreciation |
(6,817)
|
|
|
|
6716 Alexander Bell Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,242
|
|
|
|
Building and Land Improvements |
4,969
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
3,754
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,242
|
|
|
|
Building and Land Improvements |
8,723
|
|
|
|
Total |
9,965
|
|
|
|
Accumulated Depreciation |
(5,129)
|
|
|
|
6721 Columbia Gateway Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,753
|
|
|
|
Building and Land Improvements |
34,090
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
102
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,753
|
|
|
|
Building and Land Improvements |
34,192
|
|
|
|
Total |
35,945
|
|
|
|
Accumulated Depreciation |
(7,514)
|
|
|
|
6724 Alexander Bell Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
449
|
|
|
|
Building and Land Improvements |
5,039
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
1,374
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
449
|
|
|
|
Building and Land Improvements |
6,413
|
|
|
|
Total |
6,862
|
|
|
|
Accumulated Depreciation |
(2,670)
|
|
|
|
6731 Columbia Gateway Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
2,807
|
|
|
|
Building and Land Improvements |
19,098
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
4,872
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
2,807
|
|
|
|
Building and Land Improvements |
23,970
|
|
|
|
Total |
26,777
|
|
|
|
Accumulated Depreciation |
(10,176)
|
|
|
|
6740 Alexander Bell Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,424
|
|
|
|
Building and Land Improvements |
5,696
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
3,321
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,424
|
|
|
|
Building and Land Improvements |
9,017
|
|
|
|
Total |
10,441
|
|
|
|
Accumulated Depreciation |
(5,698)
|
|
|
|
6741 Columbia Gateway Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
675
|
|
|
|
Building and Land Improvements |
1,711
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
124
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
675
|
|
|
|
Building and Land Improvements |
1,835
|
|
|
|
Total |
2,510
|
|
|
|
Accumulated Depreciation |
(466)
|
|
|
|
6750 Alexander Bell Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,263
|
|
|
|
Building and Land Improvements |
12,461
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
3,959
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,263
|
|
|
|
Building and Land Improvements |
16,420
|
|
|
|
Total |
17,683
|
|
|
|
Accumulated Depreciation |
(8,761)
|
|
|
|
6760 Alexander Bell Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
890
|
|
|
|
Building and Land Improvements |
3,561
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
3,358
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
890
|
|
|
|
Building and Land Improvements |
6,919
|
|
|
|
Total |
7,809
|
|
|
|
Accumulated Depreciation |
(3,932)
|
|
|
|
6940 Columbia Gateway Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
3,545
|
|
|
|
Building and Land Improvements |
9,916
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
7,095
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
3,545
|
|
|
|
Building and Land Improvements |
17,011
|
|
|
|
Total |
20,556
|
|
|
|
Accumulated Depreciation |
(8,164)
|
|
|
|
6950 Columbia Gateway Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
3,596
|
|
|
|
Building and Land Improvements |
14,269
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
3,238
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
3,596
|
|
|
|
Building and Land Improvements |
17,507
|
|
|
|
Total |
21,103
|
|
|
|
Accumulated Depreciation |
(8,787)
|
|
|
|
7000 Columbia Gateway Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
3,131
|
|
|
|
Building and Land Improvements |
12,103
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
5,085
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
3,131
|
|
|
|
Building and Land Improvements |
17,188
|
|
|
|
Total |
20,319
|
|
|
|
Accumulated Depreciation |
(6,178)
|
|
|
|
7005 Columbia Gateway Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
3,036
|
|
|
|
Building and Land Improvements |
753
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
3,036
|
|
|
|
Building and Land Improvements |
753
|
|
|
|
Total |
3,789
|
|
|
|
7015 Albert Einstein Drive [Member] |
|
|
|
|
Real Estate and Accumulated Depreciation |
|
|
|
|
Encumbrances |
829
|
|
|
|
Initial Cost |
|
|
|
|
Land |
2,058
|
|
|
|
Building and Land Improvements |
6,093
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
2,178
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
2,058
|
|
|
|
Building and Land Improvements |
8,271
|
|
|
|
Total |
10,329
|
|
|
|
Accumulated Depreciation |
(3,343)
|
|
|
|
7061 Columbia Gateway Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
729
|
|
|
|
Building and Land Improvements |
3,094
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
2,018
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
729
|
|
|
|
Building and Land Improvements |
5,112
|
|
|
|
Total |
5,841
|
|
|
|
Accumulated Depreciation |
(2,191)
|
|
|
|
7063 Columbia Gateway Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
902
|
|
|
|
Building and Land Improvements |
3,684
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
3,151
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
902
|
|
|
|
Building and Land Improvements |
6,835
|
|
|
|
Total |
7,737
|
|
|
|
Accumulated Depreciation |
(3,113)
|
|
|
|
7065 Columbia Gateway Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
919
|
|
|
|
Building and Land Improvements |
3,763
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
3,095
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
919
|
|
|
|
Building and Land Improvements |
6,858
|
|
|
|
Total |
7,777
|
|
|
|
Accumulated Depreciation |
(3,637)
|
|
|
|
7067 Columbia Gateway Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,829
|
|
|
|
Building and Land Improvements |
11,823
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
3,051
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,829
|
|
|
|
Building and Land Improvements |
14,874
|
|
|
|
Total |
16,703
|
|
|
|
Accumulated Depreciation |
(7,037)
|
|
|
|
7125 Columbia Gateway Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
3,361
|
|
|
|
Building and Land Improvements |
2,354
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
279
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
3,361
|
|
|
|
Building and Land Improvements |
2,633
|
|
|
|
Total |
5,994
|
|
|
|
7125 Columbia Gateway Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
17,126
|
|
|
|
Building and Land Improvements |
46,994
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
15,786
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
17,126
|
|
|
|
Building and Land Improvements |
62,780
|
|
|
|
Total |
79,906
|
|
|
|
Accumulated Depreciation |
(20,876)
|
|
|
|
7130 Columbia Gateway Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,350
|
|
|
|
Building and Land Improvements |
4,359
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
2,534
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,350
|
|
|
|
Building and Land Improvements |
6,893
|
|
|
|
Total |
8,243
|
|
|
|
Accumulated Depreciation |
(3,192)
|
|
|
|
7134 Columbia Gateway Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
704
|
|
|
|
Building and Land Improvements |
4,707
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
353
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
704
|
|
|
|
Building and Land Improvements |
5,060
|
|
|
|
Total |
5,764
|
|
|
|
Accumulated Depreciation |
(1,422)
|
|
|
|
7138 Columbia Gateway Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,104
|
|
|
|
Building and Land Improvements |
3,518
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
2,729
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,104
|
|
|
|
Building and Land Improvements |
6,247
|
|
|
|
Total |
7,351
|
|
|
|
Accumulated Depreciation |
(3,459)
|
|
|
|
7142 Columbia Gateway Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,342
|
|
|
|
Building and Land Improvements |
4,657
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
2,608
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,342
|
|
|
|
Building and Land Improvements |
7,265
|
|
|
|
Total |
8,607
|
|
|
|
Accumulated Depreciation |
(2,796)
|
|
|
|
7150 Columbia Gateway Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,032
|
|
|
|
Building and Land Improvements |
3,429
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
813
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,032
|
|
|
|
Building and Land Improvements |
4,242
|
|
|
|
Total |
5,274
|
|
|
|
Accumulated Depreciation |
(1,439)
|
|
|
|
7150 Riverwood Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,821
|
|
|
|
Building and Land Improvements |
4,388
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
1,774
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,821
|
|
|
|
Building and Land Improvements |
6,162
|
|
|
|
Total |
7,983
|
|
|
|
Accumulated Depreciation |
(2,343)
|
|
|
|
7160 Riverwood Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
2,732
|
|
|
|
Building and Land Improvements |
7,006
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
2,455
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
2,732
|
|
|
|
Building and Land Improvements |
9,461
|
|
|
|
Total |
12,193
|
|
|
|
Accumulated Depreciation |
(3,778)
|
|
|
|
7170 Riverwood Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,283
|
|
|
|
Building and Land Improvements |
3,096
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
1,465
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,283
|
|
|
|
Building and Land Improvements |
4,561
|
|
|
|
Total |
5,844
|
|
|
|
Accumulated Depreciation |
(1,798)
|
|
|
|
7175 Riverwood Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,788
|
|
|
|
Building and Land Improvements |
7,269
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,788
|
|
|
|
Building and Land Improvements |
7,269
|
|
|
|
Total |
9,057
|
|
|
|
Accumulated Depreciation |
(752)
|
|
|
|
7200 Redstone Gateway [Member] |
|
|
|
|
Real Estate and Accumulated Depreciation |
|
|
|
|
Encumbrances |
6,303
|
|
|
|
Initial Cost |
|
|
|
|
Land |
0
|
|
|
|
Building and Land Improvements |
8,348
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
5
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
0
|
|
|
|
Building and Land Improvements |
8,353
|
|
|
|
Total |
8,353
|
|
|
|
Accumulated Depreciation |
(752)
|
|
|
|
7200 Riverwood Road [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
4,089
|
|
|
|
Building and Land Improvements |
22,630
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
4,532
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
4,089
|
|
|
|
Building and Land Improvements |
27,162
|
|
|
|
Total |
31,251
|
|
|
|
Accumulated Depreciation |
(10,180)
|
|
|
|
7205 Riverwood Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,367
|
|
|
|
Building and Land Improvements |
21,419
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,367
|
|
|
|
Building and Land Improvements |
21,419
|
|
|
|
Total |
22,786
|
|
|
|
Accumulated Depreciation |
(2,381)
|
|
|
|
7272 Park Circle Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,479
|
|
|
|
Building and Land Improvements |
6,300
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
4,578
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,479
|
|
|
|
Building and Land Improvements |
10,878
|
|
|
|
Total |
12,357
|
|
|
|
Accumulated Depreciation |
(3,898)
|
|
|
|
7318 Parkway Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
972
|
|
|
|
Building and Land Improvements |
3,888
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
1,239
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
972
|
|
|
|
Building and Land Improvements |
5,127
|
|
|
|
Total |
6,099
|
|
|
|
Accumulated Depreciation |
(2,398)
|
|
|
|
7400 Redstone Gateway [Member] |
|
|
|
|
Real Estate and Accumulated Depreciation |
|
|
|
|
Encumbrances |
6,914
|
|
|
|
Initial Cost |
|
|
|
|
Land |
0
|
|
|
|
Building and Land Improvements |
9,223
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
0
|
|
|
|
Building and Land Improvements |
9,223
|
|
|
|
Total |
9,223
|
|
|
|
Accumulated Depreciation |
(582)
|
|
|
|
7467 Ridge Road [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,565
|
|
|
|
Building and Land Improvements |
3,116
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
4,264
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,565
|
|
|
|
Building and Land Improvements |
7,380
|
|
|
|
Total |
8,945
|
|
|
|
Accumulated Depreciation |
(1,930)
|
|
|
|
7740 Milestone Parkway [Member] |
|
|
|
|
Real Estate and Accumulated Depreciation |
|
|
|
|
Encumbrances |
18,203
|
|
|
|
Initial Cost |
|
|
|
|
Land |
3,825
|
|
|
|
Building and Land Improvements |
34,176
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
567
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
3,825
|
|
|
|
Building and Land Improvements |
34,743
|
|
|
|
Total |
38,568
|
|
|
|
Accumulated Depreciation |
(6,482)
|
|
|
|
7770 Backlick Road [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
6,387
|
|
|
|
Building and Land Improvements |
76,315
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
142
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
6,387
|
|
|
|
Building and Land Improvements |
76,457
|
|
|
|
Total |
82,844
|
|
|
|
Accumulated Depreciation |
(9,075)
|
|
|
|
7880 Milestone Parkway [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
4,857
|
|
|
|
Building and Land Improvements |
24,677
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
62
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
4,857
|
|
|
|
Building and Land Improvements |
24,739
|
|
|
|
Total |
29,596
|
|
|
|
Accumulated Depreciation |
(1,382)
|
|
|
|
8621 Robert Fulton Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
2,317
|
|
|
|
Building and Land Improvements |
12,642
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
537
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
2,317
|
|
|
|
Building and Land Improvements |
13,179
|
|
|
|
Total |
15,496
|
|
|
|
Accumulated Depreciation |
(4,097)
|
|
|
|
8661 Robert Fulton Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,510
|
|
|
|
Building and Land Improvements |
3,764
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
2,453
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,510
|
|
|
|
Building and Land Improvements |
6,217
|
|
|
|
Total |
7,727
|
|
|
|
Accumulated Depreciation |
(2,655)
|
|
|
|
8671 Robert Fulton Drive [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,718
|
|
|
|
Building and Land Improvements |
4,280
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
4,052
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,718
|
|
|
|
Building and Land Improvements |
8,332
|
|
|
|
Total |
10,050
|
|
|
|
Accumulated Depreciation |
(3,688)
|
|
|
|
870 Elkridge Landing Road [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
2,003
|
|
|
|
Building and Land Improvements |
9,442
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
8,735
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
2,003
|
|
|
|
Building and Land Improvements |
18,177
|
|
|
|
Total |
20,180
|
|
|
|
Accumulated Depreciation |
(9,370)
|
|
|
|
891 Elkridge Landing Road [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,165
|
|
|
|
Building and Land Improvements |
4,772
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
3,466
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,165
|
|
|
|
Building and Land Improvements |
8,238
|
|
|
|
Total |
9,403
|
|
|
|
Accumulated Depreciation |
(4,186)
|
|
|
|
901 Elkridge Landing Road [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,156
|
|
|
|
Building and Land Improvements |
4,437
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
2,704
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,156
|
|
|
|
Building and Land Improvements |
7,141
|
|
|
|
Total |
8,297
|
|
|
|
Accumulated Depreciation |
(3,608)
|
|
|
|
911 Elkridge Landing Road [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,215
|
|
|
|
Building and Land Improvements |
4,861
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
2,191
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,215
|
|
|
|
Building and Land Improvements |
7,052
|
|
|
|
Total |
8,267
|
|
|
|
Accumulated Depreciation |
(3,899)
|
|
|
|
938 Elkridge Landing Road [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
922
|
|
|
|
Building and Land Improvements |
4,748
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
1,446
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
922
|
|
|
|
Building and Land Improvements |
6,194
|
|
|
|
Total |
7,116
|
|
|
|
Accumulated Depreciation |
(2,621)
|
|
|
|
939 Elkridge Landing Road [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
939
|
|
|
|
Building and Land Improvements |
3,756
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
4,438
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
939
|
|
|
|
Building and Land Improvements |
8,194
|
|
|
|
Total |
9,133
|
|
|
|
Accumulated Depreciation |
(4,254)
|
|
|
|
940 Elkridge Landing Road [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
842
|
|
|
|
Building and Land Improvements |
4
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
842
|
|
|
|
Building and Land Improvements |
4
|
|
|
|
Total |
846
|
|
|
|
9651 Hornbaker Road [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
6,050
|
|
|
|
Building and Land Improvements |
249,142
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
3,868
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
6,050
|
|
|
|
Building and Land Improvements |
253,010
|
|
|
|
Total |
259,060
|
|
|
|
Accumulated Depreciation |
(39,294)
|
|
|
|
Arundel Preserve [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
13,401
|
|
|
|
Building and Land Improvements |
9,578
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
13,401
|
|
|
|
Building and Land Improvements |
9,578
|
|
|
|
Total |
22,979
|
|
|
|
Bethlehem Tech Park-DC18 [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
3,599
|
|
|
|
Building and Land Improvements |
25,992
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
3,599
|
|
|
|
Building and Land Improvements |
25,992
|
|
|
|
Total |
29,591
|
|
|
|
Accumulated Depreciation |
(306)
|
|
|
|
Bethlehem Tech Park-DC19 [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
3,708
|
|
|
|
Building and Land Improvements |
16,362
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
3,708
|
|
|
|
Building and Land Improvements |
16,362
|
|
|
|
Total |
20,070
|
|
|
|
Accumulated Depreciation |
(455)
|
|
|
|
Bethlehem Tech Park-DC20 [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
3,599
|
|
|
|
Building and Land Improvements |
23,625
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
3,599
|
|
|
|
Building and Land Improvements |
23,625
|
|
|
|
Total |
27,224
|
|
|
|
Accumulated Depreciation |
(370)
|
|
|
|
Bethlehem Tech Park - DC 23 [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
0
|
|
|
|
Building and Land Improvements |
479
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
0
|
|
|
|
Building and Land Improvements |
479
|
|
|
|
Total |
479
|
|
|
|
BLC 1 [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
12,035
|
|
|
|
Building and Land Improvements |
368
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
12,035
|
|
|
|
Building and Land Improvements |
368
|
|
|
|
Total |
12,403
|
|
|
|
BLC 2 [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
12,035
|
|
|
|
Building and Land Improvements |
292
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
12,035
|
|
|
|
Building and Land Improvements |
292
|
|
|
|
Total |
12,327
|
|
|
|
Canton Crossing Land [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
16,085
|
|
|
|
Building and Land Improvements |
2,698
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
16,085
|
|
|
|
Building and Land Improvements |
2,698
|
|
|
|
Total |
18,783
|
|
|
|
Canton Crossing Util Distr Ctr [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
7,300
|
|
|
|
Building and Land Improvements |
15,556
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
986
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
7,300
|
|
|
|
Building and Land Improvements |
16,542
|
|
|
|
Total |
23,842
|
|
|
|
Accumulated Depreciation |
(4,475)
|
|
|
|
Columbia Gateway - Southridge [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
6,387
|
|
|
|
Building and Land Improvements |
3,719
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
6,387
|
|
|
|
Building and Land Improvements |
3,719
|
|
|
|
Total |
10,106
|
|
|
|
Dahlgren Technology Center [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
978
|
|
|
|
Building and Land Improvements |
178
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
978
|
|
|
|
Building and Land Improvements |
178
|
|
|
|
Total |
1,156
|
|
|
|
Expedition VII [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
705
|
|
|
|
Building and Land Improvements |
729
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
705
|
|
|
|
Building and Land Improvements |
729
|
|
|
|
Total |
1,434
|
|
|
|
Innovation Park [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
4,443
|
|
|
|
Building and Land Improvements |
120
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
4,443
|
|
|
|
Building and Land Improvements |
120
|
|
|
|
Total |
4,563
|
|
|
|
M Square Research Park [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
0
|
|
|
|
Building and Land Improvements |
3,571
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
0
|
|
|
|
Building and Land Improvements |
3,571
|
|
|
|
Total |
3,571
|
|
|
|
MR Land [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
18,827
|
|
|
|
Building and Land Improvements |
293
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
18,827
|
|
|
|
Building and Land Improvements |
293
|
|
|
|
Total |
19,120
|
|
|
|
National Business Park North [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
28,066
|
|
|
|
Building and Land Improvements |
47,802
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
28,066
|
|
|
|
Building and Land Improvements |
47,802
|
|
|
|
Total |
75,868
|
|
|
|
North Gate Business Park [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,755
|
|
|
|
Building and Land Improvements |
0
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,755
|
|
|
|
Building and Land Improvements |
0
|
|
|
|
Total |
1,755
|
|
|
|
Northwest Crossroads [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
7,430
|
|
|
|
Building and Land Improvements |
847
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
7,430
|
|
|
|
Building and Land Improvements |
847
|
|
|
|
Total |
8,277
|
|
|
|
NOVA Office A [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
2,096
|
|
|
|
Building and Land Improvements |
46,835
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
2,096
|
|
|
|
Building and Land Improvements |
46,835
|
|
|
|
Total |
48,931
|
|
|
|
Accumulated Depreciation |
(3,403)
|
|
|
|
NOVA Office B [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
739
|
|
|
|
Building and Land Improvements |
27,128
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
739
|
|
|
|
Building and Land Improvements |
27,128
|
|
|
|
Total |
27,867
|
|
|
|
Accumulated Depreciation |
(1,128)
|
|
|
|
NOVA Office D [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
6,587
|
|
|
|
Building and Land Improvements |
38,758
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
6,587
|
|
|
|
Building and Land Improvements |
38,758
|
|
|
|
Total |
45,345
|
|
|
|
Accumulated Depreciation |
(437)
|
|
|
|
Old Annapolis Road [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,637
|
|
|
|
Building and Land Improvements |
5,500
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
5,241
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,637
|
|
|
|
Building and Land Improvements |
10,741
|
|
|
|
Total |
12,378
|
|
|
|
Accumulated Depreciation |
(3,509)
|
|
|
|
Paragon Park - DC 21 [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
7,828
|
|
|
|
Building and Land Improvements |
17,992
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
7,828
|
|
|
|
Building and Land Improvements |
17,992
|
|
|
|
Total |
25,820
|
|
|
|
Accumulated Depreciation |
(100)
|
|
|
|
Paragon Park - DC 22 [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
7,828
|
|
|
|
Building and Land Improvements |
17,445
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
7,828
|
|
|
|
Building and Land Improvements |
17,445
|
|
|
|
Total |
25,273
|
|
|
|
Accumulated Depreciation |
(68)
|
|
|
|
Patriot Point - DC15 [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
12,156
|
|
|
|
Building and Land Improvements |
17,069
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
12,156
|
|
|
|
Building and Land Improvements |
17,069
|
|
|
|
Total |
29,225
|
|
|
|
Accumulated Depreciation |
(752)
|
|
|
|
Patriot Point - DC16 [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
12,156
|
|
|
|
Building and Land Improvements |
16,973
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
12,156
|
|
|
|
Building and Land Improvements |
16,973
|
|
|
|
Total |
29,129
|
|
|
|
Accumulated Depreciation |
(709)
|
|
|
|
Patriot Point - DC17 [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
6,078
|
|
|
|
Building and Land Improvements |
16,347
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
6,078
|
|
|
|
Building and Land Improvements |
16,347
|
|
|
|
Total |
22,425
|
|
|
|
Accumulated Depreciation |
(520)
|
|
|
|
Patriot Ridge [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
18,517
|
|
|
|
Building and Land Improvements |
14,467
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
18,517
|
|
|
|
Building and Land Improvements |
14,467
|
|
|
|
Total |
32,984
|
|
|
|
Redstone Gateway [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
0
|
|
|
|
Building and Land Improvements |
19,152
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
0
|
|
|
|
Building and Land Improvements |
19,152
|
|
|
|
Total |
19,152
|
|
|
|
Route 15/Biggs Ford Road [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,129
|
|
|
|
Building and Land Improvements |
0
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,129
|
|
|
|
Building and Land Improvements |
0
|
|
|
|
Total |
1,129
|
|
|
|
Sentry Gateway [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
8,275
|
|
|
|
Building and Land Improvements |
3,704
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
8,275
|
|
|
|
Building and Land Improvements |
3,704
|
|
|
|
Total |
11,979
|
|
|
|
Sentry Gateway - T [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
14,020
|
|
|
|
Building and Land Improvements |
38,804
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
13
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
14,020
|
|
|
|
Building and Land Improvements |
38,817
|
|
|
|
Total |
52,837
|
|
|
|
Accumulated Depreciation |
(10,561)
|
|
|
|
Sentry Gateway - V [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
0
|
|
|
|
Building and Land Improvements |
1,066
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
0
|
|
|
|
Building and Land Improvements |
1,066
|
|
|
|
Total |
1,066
|
|
|
|
Accumulated Depreciation |
(241)
|
|
|
|
Sentry Gateway - W [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
0
|
|
|
|
Building and Land Improvements |
1,884
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
71
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
0
|
|
|
|
Building and Land Improvements |
1,955
|
|
|
|
Total |
1,955
|
|
|
|
Accumulated Depreciation |
(392)
|
|
|
|
Sentry Gateway - X [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,964
|
|
|
|
Building and Land Improvements |
21,178
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,964
|
|
|
|
Building and Land Improvements |
21,178
|
|
|
|
Total |
23,142
|
|
|
|
Accumulated Depreciation |
(3,787)
|
|
|
|
Sentry Gateway - Y [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,964
|
|
|
|
Building and Land Improvements |
21,298
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,964
|
|
|
|
Building and Land Improvements |
21,298
|
|
|
|
Total |
23,262
|
|
|
|
Accumulated Depreciation |
(3,810)
|
|
|
|
Sentry Gateway - Z [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
1,964
|
|
|
|
Building and Land Improvements |
30,573
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
1,964
|
|
|
|
Building and Land Improvements |
30,573
|
|
|
|
Total |
32,537
|
|
|
|
Accumulated Depreciation |
(2,144)
|
|
|
|
Westfields - Park Center [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
16,418
|
|
|
|
Building and Land Improvements |
11,264
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
16,418
|
|
|
|
Building and Land Improvements |
11,264
|
|
|
|
Total |
27,682
|
|
|
|
Westfields Corporate Center [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
7,141
|
|
|
|
Building and Land Improvements |
1,649
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
7,141
|
|
|
|
Building and Land Improvements |
1,649
|
|
|
|
Total |
8,790
|
|
|
|
Other Developments, including intercompany eliminations [Member] |
|
|
|
|
Initial Cost |
|
|
|
|
Land |
4
|
|
|
|
Building and Land Improvements |
283
|
|
|
|
Costs Capitalized Subsequent to Acquisition |
256
|
|
|
|
Gross Amounts Carried At Close of Period |
|
|
|
|
Land |
4
|
|
|
|
Building and Land Improvements |
539
|
|
|
|
Total |
543
|
|
|
|
Accumulated Depreciation |
(58)
|
|
|
|
Fair value measurement on a nonrecurring basis [Member] | Real Estate Held [Member] |
|
|
|
|
Additional information |
|
|
|
|
Impairment losses |
13,700
|
|
|
|
Fair value measurement on a nonrecurring basis [Member] | Real Estate Investment Properties, Net [Member] |
|
|
|
|
Additional information |
|
|
|
|
Impairment losses |
$ 15,100
|
|
|
|