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Debt - Additional Information (Detail) - USD ($)
Jun. 30, 2021
Oct. 31, 2018
Debt Instrument [Line Items]    
Carrying value of equity component $ 1,100,000,000  
The 2018 Credit Facility    
Debt Instrument [Line Items]    
Maximum borrowing capacity   $ 200,000,000.0
Outstanding amount $ 0