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 Millions
12 Months Ended
Jun. 01, 2019
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Commitments And Contingencies Disclosure [Abstract]        
Insurance Coverage, Errors and omissions $ 100.0      
Insurance Claim, Errors and omissions $ 2.5      
Reserves   $ 2.7 $ 1.5  
RSG recognized in E & O expense   $ 3.0 $ 2.7 $ 2.0