Quarterly report pursuant to Section 13 or 15(d)

Litigation - Additional Information (Detail)

v3.21.2
Litigation - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2021
Mar. 31, 2021
Jun. 30, 2020
Jun. 30, 2020
Litigation [Abstract]        
Litigation Settlement, Expense $ 3.6 $ 4.2 $ 4.0 $ 7.5