Quarterly report pursuant to Section 13 or 15(d)

Real Estate Joint Ventures (Details)

v3.10.0.1
Real Estate Joint Ventures (Details)
$ in Thousands
9 Months Ended
Sep. 30, 2018
USD ($)
Property
GI-COPT  
Investments in consolidated real estate joint ventures  
Real estate equity method investments $ 40,300
Consolidated real estate joint ventures  
Investments in consolidated real estate joint ventures  
Total Assets 319,693
Encumbered Assets 195,959
Total Liabilities $ 111,684
Variable Interest Entity, Primary Beneficiary | LW Redstone Company, LLC  
Investments in consolidated real estate joint ventures  
Ownership (as a percent) 85.00%
Total Assets $ 165,752
Encumbered Assets 73,405
Total Liabilities $ 53,653
Variable Interest Entity, Primary Beneficiary | M Square Associates, LLC  
Investments in consolidated real estate joint ventures  
Ownership (as a percent) 50.00%
Total Assets $ 74,848
Encumbered Assets 44,009
Total Liabilities $ 45,369
Variable Interest Entity, Primary Beneficiary | Stevens Investors, LLC  
Investments in consolidated real estate joint ventures  
Ownership (as a percent) 95.00%
Total Assets $ 79,093
Encumbered Assets 78,545
Total Liabilities $ 12,662
Operating Properties  
Investments in consolidated real estate joint ventures  
Number of real estate properties | Property 161
Single-tenant data centers | Operating Properties  
Investments in consolidated real estate joint ventures  
Number of real estate properties | Property 17
Single-tenant data centers | Operating Properties | GI-COPT  
Investments in consolidated real estate joint ventures  
Ownership percentage (percent) 50.00%
Number of real estate properties | Property 6