XML 66 R51.htm IDEA: XBRL DOCUMENT v3.21.2
Income Taxes - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Income Tax Disclosure [Abstract]        
Income tax expense (benefit) $ 2,102 $ 3,659 $ 12,241 $ 5,680