Quarterly report pursuant to Section 13 or 15(d)

Interest Rate Derivatives (Details)

v3.19.1
Interest Rate Derivatives (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2018
Effect of interest rate derivatives on consolidated statements of operations and comprehensive income      
Amount of (Loss) Gain Recognized in AOCL on Derivatives $ (8,845) $ 4,676  
Interest rate swaps | Interest Expense      
Effect of interest rate derivatives on consolidated statements of operations and comprehensive income      
Amount of Gain (Loss) Reclassified from AOCL into Interest Expense on Statement of Operations 570 $ (245)  
Interest rate swaps | Interest rate derivatives (assets)      
Fair value of interest rate derivatives and balance sheet classification      
Interest rate swaps designated as cash flow hedges 2,602   $ 5,617
Interest rate swaps | Interest rate derivative (liabilities)      
Fair value of interest rate derivatives and balance sheet classification      
Interest rate swaps designated as cash flow hedges (11,894)   (5,459)
Designated      
Fair values of interest rate swap derivatives      
Fair value of interest rate swaps (9,292)   158
Designated | Interest rate swaps      
Effect of interest rate derivatives on consolidated statements of operations and comprehensive income      
Approximate amount to be reclassified from AOCL to interest expense over the next 12 months 817    
Fair value of derivative liability 12,000    
Settlement amount of derivative obligation at termination value 12,000    
Designated | Interest rate swap, effective date September 1, 2015, swap two      
Fair values of interest rate swap derivatives      
Notional Amount $ 100,000    
Fixed rate (as a percent) 1.73%    
Fair value of interest rate swaps $ 255   472
Designated | Interest rate swap, effective October 13, 2015      
Fair values of interest rate swap derivatives      
Notional Amount $ 12,735    
Fixed rate (as a percent) 1.39%    
Fair value of interest rate swaps $ 170   239
Notional amount of interest rate derivatives after scheduled amortization 12,100    
Designated | Interest rate swap, effective September 1, 2016, swap one      
Fair values of interest rate swap derivatives      
Notional Amount $ 100,000    
Fixed rate (as a percent) 1.9013%    
Fair value of interest rate swaps $ 879   1,968
Designated | Interest rate swap, effective September 1, 2016, swap two      
Fair values of interest rate swap derivatives      
Notional Amount $ 100,000    
Fixed rate (as a percent) 1.905%    
Fair value of interest rate swaps $ 871   1,967
Designated | Interest rate swap, effective September 1, 2016, swap three      
Fair values of interest rate swap derivatives      
Notional Amount $ 50,000    
Fixed rate (as a percent) 1.9079%    
Fair value of interest rate swaps $ 427   971
Designated | Interest rate swap, effective June 30, 2020, swap one      
Fair values of interest rate swap derivatives      
Notional Amount $ 75,000    
Fixed rate (as a percent) 3.176%    
Fair value of interest rate swaps $ (4,869)   (2,676)
Designated | Interest rate swap, effective June 30, 2020, swap two      
Fair values of interest rate swap derivatives      
Notional Amount $ 75,000    
Fixed rate (as a percent) 3.192%    
Fair value of interest rate swaps $ (4,974)   (2,783)
Designated | Interest rate swap, effective June 30, 2020, swap three      
Fair values of interest rate swap derivatives      
Notional Amount $ 75,000    
Fixed rate (as a percent) 2.744%    
Fair value of interest rate swaps $ (2,051)   $ 0