Quarterly report pursuant to Section 13 or 15(d)

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

v3.23.2
Securities - Realized Gains and Losses on Sales of Investment Securities (Detail) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Investments, Debt and Equity Securities [Abstract]        
Gross realized losses on sales of securities $ (1,871,000)   $ (1,871,000)  
Net realized gains (losses) on sales of securities (1,871,000)   (1,871,000)  
Proceeds from sales of securities $ 8,149,000 $ 0 $ 8,149,000 $ 0