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Interest Rate Derivatives (Details) (USD $)
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3 Months Ended |
9 Months Ended |
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Sep. 30, 2014
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Sep. 30, 2013
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Sep. 30, 2014
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Sep. 30, 2013
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Dec. 31, 2013
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| Fair value of interest rate derivatives and balance sheet classification |
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| Interest rate derivatives |
$ 2,907,000
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$ 2,907,000
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$ 6,594,000
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| Effect of interest rate derivatives on consolidated statements of operations and comprehensive income |
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| Amount of gains (losses) recognized in accumulated other comprehensive income (loss) (“AOCI”) (effective portion) |
1,015,000
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(2,482,000)
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(4,738,000)
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5,810,000
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| Amount of losses reclassified from AOCI into interest expense (effective portion) |
756,000
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689,000
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2,170,000
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2,021,000
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Interest rate swaps
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| Effect of interest rate derivatives on consolidated statements of operations and comprehensive income |
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| Approximate loss amount to be reclassified from AOCI to interest expense over the next 12 months |
(2,900,000)
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(2,900,000)
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| Interest rate derivatives in liability position, fair value |
2,200,000
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2,200,000
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| Termination value to settle obligations under interest rate derivative agreements |
2,500,000
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2,500,000
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Interest rate swaps | Prepaid expenses and other current assets
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| Fair value of interest rate derivatives and balance sheet classification |
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| Interest rate derivatives |
2,907,000
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2,907,000
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6,594,000
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Interest rate swaps | Interest rate derivatives
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| Fair value of interest rate derivatives and balance sheet classification |
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| Fair value of Interest rate swaps classified as interest rate derivatives |
(2,236,000)
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(2,236,000)
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(3,309,000)
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Designated
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| Fair values of interest rate swap derivatives |
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| Fair value of interest rate swaps |
671,000
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671,000
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3,285,000
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Designated | Interest rate swap, effective date January 3, 2012, swap one
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| Fair values of interest rate swap derivatives |
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| Notional Amount |
100,000,000
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100,000,000
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| Fixed rate (as a percent) |
0.6123%
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0.6123%
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| Fair value of interest rate swaps |
0
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0
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(279,000)
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Designated | Interest rate swap, effective date January 3, 2012, swap two
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| Fair values of interest rate swap derivatives |
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| Notional Amount |
100,000,000
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100,000,000
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| Fixed rate (as a percent) |
0.61%
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0.61%
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| Fair value of interest rate swaps |
0
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0
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(277,000)
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Designated | Interest rate swap, effective date January 3, 2012, swap three
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| Fair values of interest rate swap derivatives |
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| Notional Amount |
100,000,000
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100,000,000
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| Fixed rate (as a percent) |
0.832%
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0.832%
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| Fair value of interest rate swaps |
(556,000)
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(556,000)
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(861,000)
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Designated | Interest rate swap, effective date January 3, 2012, swap four
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| Fair values of interest rate swap derivatives |
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| Notional Amount |
100,000,000
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100,000,000
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| Fixed rate (as a percent) |
0.832%
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0.832%
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| Fair value of interest rate swaps |
(556,000)
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(556,000)
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(861,000)
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Designated | Interest rate swap, effective date November 2, 2010
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| Fair values of interest rate swap derivatives |
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| Notional Amount |
37,087,000
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[1] |
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37,087,000
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[1] |
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| Fixed rate (as a percent) |
3.83%
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3.83%
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| Derivative, basis spread on variable rate |
2.25%
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2.25%
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| Fair value of interest rate swaps |
(515,000)
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(515,000)
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(832,000)
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| Notional amount of interest rate derivatives after scheduled amortization |
36,200,000
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36,200,000
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Designated | Interest rate swap, effective date September 2, 2014, swap one
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| Fair values of interest rate swap derivatives |
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| Notional Amount |
100,000,000
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100,000,000
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| Fixed rate (as a percent) |
0.8055%
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0.8055%
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| Fair value of interest rate swaps |
(300,000)
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(300,000)
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(94,000)
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Designated | Interest rate swap, effective date September 2, 2014, swap two
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| Fair values of interest rate swap derivatives |
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| Notional Amount |
100,000,000
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100,000,000
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| Fixed rate (as a percent) |
0.81%
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0.81%
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| Fair value of interest rate swaps |
(309,000)
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(309,000)
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(105,000)
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Designated | Interest rate swap, effective date September 1, 2015, swap one
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| Fair values of interest rate swap derivatives |
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| Notional Amount |
100,000,000
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100,000,000
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| Fixed rate (as a percent) |
1.673%
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1.673%
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| Fair value of interest rate swaps |
1,551,000
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1,551,000
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3,377,000
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Designated | Interest rate swap, effective date September 1, 2015, swap two
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| Fair values of interest rate swap derivatives |
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| Notional Amount |
100,000,000
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100,000,000
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| Fixed rate (as a percent) |
1.73%
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1.73%
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| Fair value of interest rate swaps |
$ 1,356,000
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$ 1,356,000
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$ 3,217,000
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