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Subsequent Events - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended
Aug. 05, 2020
Jun. 30, 2020
Mar. 31, 2020
Jun. 30, 2019
Mar. 31, 2019
Sep. 03, 2020
Subsequent Event [Line Items]            
Dividend payments   $ 0.09 $ 0.09 $ 0.09 $ 0.09  
Scenario Forecast [Member]            
Subsequent Event [Line Items]            
Dividend declaration date Aug. 05, 2020          
Dividend payments $ 0.09          
Dividend record date Aug. 20, 2020          
Dividend payment date Sep. 03, 2020          
Quarterly dividend payable, aggregate amount subsequent to balance sheet date           $ 4.3