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Fair Value Measurements - Additional Information (Detail) - Interest Rate Cap
$ in Millions
Sep. 30, 2020
USD ($)
Extension
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]  
Number of instruments | Extension 2
Notional amount $ 921.0
Level 2  
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]  
Assets fair value $ 0.1