Annual report pursuant to Section 13 and 15(d)

Selected Balance Sheet Data - Schedule of Other Assets (Parenthetical) (Detail)

v3.22.0.1
Selected Balance Sheet Data - Schedule of Other Assets (Parenthetical) (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Other Assets [Line Items]    
Reduction of accrued bonuses and other employee related expenses in settlement of employee notes receivable $ 10 $ 0
Securities, Held-To-Maturity Maturity Date Sep. 01, 2024