Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Additional Information (Detail)

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Commitments and Contingencies - Additional Information (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Commitments and Contingencies Disclosure [Line Items]    
Employer matching contribution payments $ 6,052 $ 5,076
Liability recorded for employer contribution payments $ 1,539  
Messrs. Mitchell, Gamble, Fernandes and Cavalier    
Commitments and Contingencies Disclosure [Line Items]    
Employment agreements term extension 1 year  
Mr. Zoradi    
Commitments and Contingencies Disclosure [Line Items]    
Employment Agreement Expiration Date Dec. 31, 2020