Securities - Schedule of Other Investments (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Securities [Line Items]
Mutual fund - Community Reinvestment Act ("CRA") qualified	$ 3,300	$ 3,300
Other Investments
Securities [Line Items]
FHLB stock	12,527	8,483
Pacific Coast Bankers Bank ("PCBB") stock	190	190
Mutual fund - Community Reinvestment Act ("CRA") qualified	3,287	3,330
Time deposits placed in other banks	96	95
Total other investments	$ 16,100	$ 12,098