Annual report pursuant to Section 13 and 15(d)

Leases - Summary of Lease Assets and Liabilities Recognized Within Consolidated Balance Sheets (Parenthetical) (Detail)

v3.20.4
Leases - Summary of Lease Assets and Liabilities Recognized Within Consolidated Balance Sheets (Parenthetical) (Detail) - USD ($)
$ in Millions
Dec. 31, 2020
Dec. 31, 2019
Leases [Abstract]    
Finance lease, accumulated amortization $ 1.7 $ 1.3