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Derivative Instruments, Hedging Activities and Other Comprehensive Income (Details)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2021
USD ($)
derivativeContract
Sep. 30, 2020
USD ($)
Sep. 30, 2021
USD ($)
derivativeContract
Sep. 30, 2020
USD ($)
Dec. 31, 2020
USD ($)
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Derivative, average cap interest rate 5.09%   5.09%    
Hedge derivative at fair value, net $ 24,200   $ 24,200   $ 32,100
Loss reclassified to earnings 1,700 $ 1,300 4,100 $ 2,700  
Interest expense 12,878 $ 12,550 37,386 $ 38,115  
Decrease As Hedged Forecasted Interest Payments Occur          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Interest expense     7,500    
Interest Rate Swap          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Derivative, notional amount $ 155,000   $ 155,000    
Number of interest rate swap contracts | derivativeContract 2   2    
Blended fixed interest rate 4.52%   4.52%    
Interest Rate Swap | LIBOR          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Blending floating interest rate of LIBOR 3.70%   3.70%    
Accrued Interest          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Hedge derivative at fair value, net $ 600   $ 600   $ 400
Cash Flow Hedging          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Derivative, notional amount $ 250,000   $ 250,000