Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Additional Information (Detail)

v3.21.2
Commitments and Contingencies - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Jun. 01, 2019
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Commitments and Contingencies Disclosure [Abstract]            
Insurance Coverage, Errors and omissions $ 100.0          
Insurance Claim, Errors and omissions $ 2.5          
Reserves   $ 2.3   $ 2.3   $ 1.5
RSG recognized in general and administrative expense   $ 1.0 $ 0.7 $ 1.6 $ 1.9