Quarterly report pursuant to Section 13 or 15(d)

Securities - Realized Gains and Losses on Sales of Investment Securities (Detail)

v3.22.2.2
Securities - Realized Gains and Losses on Sales of Investment Securities (Detail) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Investments Debt And Equity Securities [Abstract]        
Gross realized gains on sales of securities       $ 99,000
Net realized gains on sales of securities       99,000
Proceeds from sales of securities $ 0 $ 0 $ 0 $ 8,035,000