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Derivative Instruments - Summary of Fair Values of Derivatives (Details) - Interest rate swaps - Designated as Hedging Instrument - USD ($)
Sep. 30, 2021
Mar. 31, 2021
Jan. 31, 2020
Derivatives, Fair Value [Line Items]      
Derivative, notional amount $ 200,000,000   $ 400,000,000
Cash Flow Hedging      
Derivatives, Fair Value [Line Items]      
Derivative, notional amount 200,000,000 $ 200,000,000  
Other Accrued Liabilities      
Derivatives, Fair Value [Line Items]      
Derivative liability, fair value (973,000) (2,363,000)  
Other Accrued Liabilities | Cash Flow Hedging      
Derivatives, Fair Value [Line Items]      
Derivative liability, fair value (973,000) (2,363,000)  
Other Long-Term Liabilities      
Derivatives, Fair Value [Line Items]      
Derivative liability, fair value 0 0  
Other Long-Term Liabilities | Cash Flow Hedging      
Derivatives, Fair Value [Line Items]      
Derivative liability, fair value $ 0 $ 0