Quarterly report pursuant to Section 13 or 15(d)

Interest Rate Derivatives (Details)

v3.5.0.2
Interest Rate Derivatives (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Dec. 31, 2015
Effect of interest rate derivatives on consolidated statements of operations and comprehensive income          
Amount of (loss) gain recognized in accumulated other comprehensive loss (“AOCL”) (effective portion) $ (5,704) $ 392 $ (16,988) $ (3,082)  
Amount of losses reclassified from AOCL into interest expense (effective portion) 850 769 1,720 1,542  
Interest rate swaps          
Effect of interest rate derivatives on consolidated statements of operations and comprehensive income          
Approximate loss amount to be reclassified from AOCI to interest expense over the next 12 months 5,600   5,600    
Interest rate derivatives in liability position, fair value 21,100   21,100    
Termination value to settle obligations under interest rate derivative agreements 21,400   21,400    
Interest rate swaps | Interest Expense          
Effect of interest rate derivatives on consolidated statements of operations and comprehensive income          
Amount of loss recognized in interest expense (ineffective portion) 319 $ 0 1,870 $ 0  
Interest rate swaps | Prepaid expenses and other current assets          
Fair value of interest rate derivatives and balance sheet classification          
Interest rate derivatives 0   0   $ 53
Interest rate swaps | Interest rate derivatives          
Fair value of interest rate derivatives and balance sheet classification          
Fair value of Interest rate swaps classified as interest rate derivatives (20,245)   (20,245)   (3,160)
Designated          
Fair values of interest rate swap derivatives          
Fair value of interest rate swaps (20,245)   (20,245)   (3,107)
Designated | Interest rate swap, effective date September 2, 2014, swap one          
Fair values of interest rate swap derivatives          
Notional Amount $ 100,000   $ 100,000    
Fixed rate (as a percent) 0.8055%   0.8055%    
Fair value of interest rate swaps $ (58)   $ (58)   (148)
Designated | Interest rate swap, effective date September 2, 2014, swap two          
Fair values of interest rate swap derivatives          
Notional Amount $ 100,000   $ 100,000    
Fixed rate (as a percent) 0.81%   0.81%    
Fair value of interest rate swaps $ (59)   $ (59)   (151)
Designated | Interest rate swap, effective date September 1, 2015, swap one          
Fair values of interest rate swap derivatives          
Notional Amount $ 100,000   $ 100,000    
Fixed rate (as a percent) 1.673%   1.673%    
Fair value of interest rate swaps $ (3,117)   $ (3,117)   (1,217)
Designated | Interest rate swap, effective date September 1, 2015, swap two          
Fair values of interest rate swap derivatives          
Notional Amount $ 100,000   $ 100,000    
Fixed rate (as a percent) 1.73%   1.73%    
Fair value of interest rate swaps $ (3,293)   $ (3,293)   (1,429)
Designated | Interest rate swap, effective October 13, 2015          
Fair values of interest rate swap derivatives          
Notional Amount $ 13,765   $ 13,765    
Fixed rate (as a percent) 1.39%   1.39%    
Fair value of interest rate swaps $ (337)   $ (337)   53
Notional amount of interest rate derivatives after scheduled amortization 12,100   12,100    
Designated | Interest rate swap, effective September 1, 2016, swap one          
Fair values of interest rate swap derivatives          
Notional Amount $ 100,000   $ 100,000    
Fixed rate (as a percent) 1.9013%   1.9013%    
Fair value of interest rate swaps $ (5,367)   $ (5,367)   (138)
Designated | Interest rate swap, effective September 1, 2016, swap two          
Fair values of interest rate swap derivatives          
Notional Amount $ 100,000   $ 100,000    
Fixed rate (as a percent) 1.905%   1.905%    
Fair value of interest rate swaps $ (5,336)   $ (5,336)   (45)
Designated | Interest rate swap, effective September 1, 2016, swap three          
Fair values of interest rate swap derivatives          
Notional Amount $ 50,000   $ 50,000    
Fixed rate (as a percent) 1.9079%   1.9079%    
Fair value of interest rate swaps $ (2,678)   $ (2,678)   $ (32)