Regulatory Capital Requirements - Schedule of Bank Actual and Required Capital Amounts and Ratios (Details) $ in Thousands	Mar. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Total capital
Actual	$ 135,442	$ 125,632
For capital adequacy purposes	80,052	77,953
To be well capitalized	100,065	97,441
Tier 1 capital
Actual	123,328	120,912
For capital adequacy purposes	60,039	58,465
To be well capitalized	80,052	77,953
Common equity
Actual	123,328	120,912
For capital adequacy purposes	45,029	43,848
To be well capitalized	65,042	63,337
Tier 1 capital
Actual	123,328	120,912
For capital adequacy purposes	45,759	44,248
To be well capitalized	$ 57,199	$ 55,311
Ratios
Actual	0.1353	0.1289
For capital adequacy purposes	0.0800	0.0800
To be well capitalized	0.1000	0.1000
Actual	0.1232	0.1241
For capital adequacy purposes	0.0600	0.0600
To be well capitalized	0.0800	0.0800
Actual	0.1232	0.1241
For capital adequacy purposes	0.0450	0.0450
To be well capitalized	0.0650	0.0650
Banking Regulation, Leverage Ratio [Abstract]
Actual	0.1078	0.1093
For capital adequacy purposes	0.0400	0.0400
To be well capitalized	0.0500	0.0500