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Earnings Per Share - Additional Information (Detail) - USD ($)
$ in Thousands, shares in Millions
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Shares repurchased 0.8  
Shares repurchased at cost $ 7,500 $ 14,069
Performance Restricted Stock Units [Member]    
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Mark-to-market adjustment $ 2,200 $ (900)