Regulatory Capital Requirements - Schedule of Bank Actual and Required Capital Amounts and Ratios (Details) $ in Thousands	Sep. 30, 2023 USD ($)	Dec. 31, 2022 USD ($)
Total capital
Actual	$ 133,547	$ 125,632
For capital adequacy purposes	82,664	77,953
To be well capitalized	103,331	97,441
Tier 1 capital
Actual	127,823	120,912
For capital adequacy purposes	61,998	58,465
To be well capitalized	82,664	77,953
Common equity
Actual	127,823	120,912
For capital adequacy purposes	46,499	43,848
To be well capitalized	67,165	63,337
Tier 1 capital
Actual	127,823	120,912
For capital adequacy purposes	47,727	44,248
To be well capitalized	$ 59,658	$ 55,311
Ratios
Actual	0.1292	0.1289
For capital adequacy purposes	0.08	0.08
To be well capitalized	0.10	0.10
Actual	0.1237	0.1241
For capital adequacy purposes	0.06	0.06
To be well capitalized	0.08	0.08
Actual	0.1237	0.1241
For capital adequacy purposes	0.045	0.045
To be well capitalized	0.065	0.065
Banking Regulation, Leverage Ratio [Abstract]
Actual	0.1071	0.1093
For capital adequacy purposes	0.04	0.04
To be well capitalized	0.05	0.05