Annual report pursuant to Section 13 and 15(d)

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

v3.22.4
Securities - Realized Gains and Losses on Sales of Investment Securities (Detail) - USD ($)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Investments, Debt and Equity Securities [Abstract]      
Gross realized gains on sales of securities   $ 99,000 $ 15,712,000
Gross realized losses on sales of securities   (598,000)  
Net realized gains (losses) on sales of securities   (499,000) 15,712,000
Proceeds from sales of securities $ 0 $ 55,884,000 $ 495,566,000