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Derivative Financial Instruments (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Derivatives, Fair Value [Line Items]    
Derivative, notional amount $ 250,000 $ 275,774
2.868% Interest Rate Swap Maturing October 8, 2022 | Cash Flow Hedging    
Derivatives, Fair Value [Line Items]    
Derivative liability, notional amount $ 250,000 250,000
Derivative, fixed interest rate 2.868%  
Derivative liability, fair value, gross liability $ (3,872) (6,627)
3.300% Interest Rate Swap Maturing January 30, 2021 | Cash Flow Hedging    
Derivatives, Fair Value [Line Items]    
Derivative liability, notional amount $ 0 25,774
Derivative, fixed interest rate 3.30%  
Derivative liability, fair value, gross liability $ 0 $ (120)