XML 163 R147.htm IDEA: XBRL DOCUMENT v3.20.4
Leases - Schedule of Cash Flow Information Related to Lease Liabilities (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Leases [Abstract]    
Cash paid for obligations included in the measurement of lease liabilities $ 37,552 $ 44,964