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Derivative Financial Instruments - Additional Information (Detail) - USD ($)
3 Months Ended 9 Months Ended
Mar. 02, 2020
Sep. 30, 2020
Sep. 30, 2020
Dec. 31, 2019
Derivative Instruments Gain Loss [Line Items]        
Realized losses on interest rate hedges reclassified to earnings   $ 1,440,000 $ 2,684,000  
Cash Flow Hedge        
Derivative Instruments Gain Loss [Line Items]        
Derivative, notional amount   $ 400,000,000 400,000,000 $ 400,000,000
Derivative, strike rate for the forward interest rate swap contract 0.985%      
Cash Flow Hedge | Forward Interest Rate Swap        
Derivative Instruments Gain Loss [Line Items]        
Derivative, notional amount $ 150,000,000      
Derivative, effective date May 17, 2022      
Derivative, maturity date May 17, 2027      
Cash Flow Hedge | Interest Rate Swap and Collars        
Derivative Instruments Gain Loss [Line Items]        
Amount expect to be reclassified out of accumulated other comprehensive income to earnings in future     $ 7,474,000  
Estimated time for reclassification out of accumulated other comprehensive income to earnings     12 months