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Subsequent Events - Additional Information (Detail) - Revolving Credit Facility [Member] - USD ($)
$ in Thousands
Apr. 10, 2020
Dec. 05, 2018
Subsequent Event [Line Items]    
Revolving credit agreement maximum borrowing capacity   $ 500,000
Subsequent Event    
Subsequent Event [Line Items]    
Revolving credit agreement maximum borrowing capacity $ 560,000