Annual report pursuant to Section 13 and 15(d)

Schedule of Operating and Finance Right-of-Use Assets and Lease Liabilities (Parenthetical) (Detail)

v3.20.4
Schedule of Operating and Finance Right-of-Use Assets and Lease Liabilities (Parenthetical) (Detail) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Leases [Abstract]    
Finance lease assets, accumulated amortization $ 47,961 $ 36,384