Quarterly report pursuant to Section 13 or 15(d)

Interest Rate Derivatives (Details)

v2.4.0.8
Interest Rate Derivatives (Details) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Dec. 31, 2013
Fair value of interest rate derivatives and balance sheet classification          
Interest rate derivatives $ 2,151,000   $ 2,151,000   $ 6,594,000
Effect of interest rate derivatives on consolidated statements of operations and comprehensive income          
Amount of (losses) gains recognized in accumulated other comprehensive (loss) income (“AOCI”) (effective portion) (3,630,000) 7,830,000 (5,753,000) 8,292,000  
Amount of losses reclassified from AOCI into interest expense (effective portion) 719,000 674,000 1,414,000 1,332,000  
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 (3,100,000)   (3,100,000)    
Interest rate derivatives in liability position, fair value 3,200,000   3,200,000    
Termination value to settle obligations under interest rate derivative agreements 3,500,000   3,500,000    
Interest rate swaps | Prepaid expenses and other current assets
         
Fair value of interest rate derivatives and balance sheet classification          
Interest rate derivatives 2,151,000   2,151,000   6,594,000
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 (3,236,000)   (3,236,000)   (3,309,000)
Designated
         
Fair values of interest rate swap derivatives          
Fair value of interest rate swaps (1,085,000)   (1,085,000)   3,285,000
Designated | Interest rate swap, effective date January 3, 2012, swap one
         
Fair values of interest rate swap derivatives          
Notional Amount 100,000,000   100,000,000    
Fixed rate (as a percent) 0.6123%   0.6123%    
Floating rate index     One-Month LIBOR    
Fair value of interest rate swaps (81,000)   (81,000)   (279,000)
Designated | Interest rate swap, effective date January 3, 2012, swap two
         
Fair values of interest rate swap derivatives          
Notional Amount 100,000,000   100,000,000    
Fixed rate (as a percent) 0.61%   0.61%    
Floating rate index     One-Month LIBOR    
Fair value of interest rate swaps (80,000)   (80,000)   (277,000)
Designated | Interest rate swap, effective date January 3, 2012, swap three
         
Fair values of interest rate swap derivatives          
Notional Amount 100,000,000   100,000,000    
Fixed rate (as a percent) 0.832%   0.832%    
Floating rate index     One-Month LIBOR    
Fair value of interest rate swaps (720,000)   (720,000)   (861,000)
Designated | Interest rate swap, effective date January 3, 2012, swap four
         
Fair values of interest rate swap derivatives          
Notional Amount 100,000,000   100,000,000    
Fixed rate (as a percent) 0.832%   0.832%    
Floating rate index     One-Month LIBOR    
Fair value of interest rate swaps (720,000)   (720,000)   (861,000)
Designated | Interest rate swap, effective date November 2, 2010
         
Fair values of interest rate swap derivatives          
Notional Amount 37,288,000 [1]   37,288,000 [1]    
Fixed rate (as a percent) 3.83%   3.83%    
Floating rate index     One-Month LIBOR + 2.25%    
Derivative, basis spread on variable rate 2.25%   2.25%    
Fair value of interest rate swaps (647,000)   (647,000)   (832,000)
Notional amount of interest rate derivatives after scheduled amortization 36,200,000   36,200,000    
Designated | Interest rate swap, effective date September 2, 2014, swap one
         
Fair values of interest rate swap derivatives          
Notional Amount 100,000,000   100,000,000    
Fixed rate (as a percent) 0.8055%   0.8055%    
Floating rate index     One-Month LIBOR    
Fair value of interest rate swaps (489,000)   (489,000)   (94,000)
Designated | Interest rate swap, effective date September 2, 2014, swap two
         
Fair values of interest rate swap derivatives          
Notional Amount 100,000,000   100,000,000    
Fixed rate (as a percent) 0.81%   0.81%    
Floating rate index     One-Month LIBOR    
Fair value of interest rate swaps (499,000)   (499,000)   (105,000)
Designated | Interest rate swap, effective date September 1, 2015, swap one
         
Fair values of interest rate swap derivatives          
Notional Amount 100,000,000   100,000,000    
Fixed rate (as a percent) 1.673%   1.673%    
Floating rate index     One-Month LIBOR    
Fair value of interest rate swaps 1,170,000   1,170,000   3,377,000
Designated | Interest rate swap, effective date September 1, 2015, swap two
         
Fair values of interest rate swap derivatives          
Notional Amount 100,000,000   100,000,000    
Fixed rate (as a percent) 1.73%   1.73%    
Floating rate index     One-Month LIBOR    
Fair value of interest rate swaps $ 981,000   $ 981,000   $ 3,217,000
[1] The notional amount of this instrument is scheduled to amortize to $36.2 million.