Regulatory Capital - Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations (Details) $ in Thousands	Jun. 30, 2022 USD ($)	Dec. 31, 2021 USD ($)
Total capital (to risk weighted assets)
Actual, Amount	$ 265,874	$ 252,843
Actual, Ratio	15.1	15.3
Minimum Capital Requirements, Amount	$ 184,570	$ 173,923
Minimum Capital Requirements, Ratio	10.5	10.5
Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 175,781	$ 165,641
Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	10.0	10.0
Tier 1 capital (to risk weighted assets)
Actual, Amount	$ 245,489	$ 232,458
Actual, Ratio	14.0	14.0
Minimum Capital Requirements, Amount	$ 149,413	$ 140,795
Minimum Capital Requirements, Ratio	8.5	8.5
Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 140,624	$ 132,513
Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	8.0	8.0
Common equity tier 1 capital (to risk weighted assets)
Actual, Amount	$ 245,489	$ 232,458
Actual, Ratio	14.0	14.0
Minimum Capital Requirements, Amount	$ 123,046	$ 115,948
Minimum Capital Requirements, Ratio	7.0	7.0
Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 114,257	$ 107,666
Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	6.5	6.5
Tier 1 capital (to average assets)
Actual, Amount	$ 245,489	$ 232,458
Actual, Ratio	11.0	11.0
Minimum Capital Requirements, Amount	$ 89,506	$ 84,799
Minimum Capital Requirements, Ratio	4.0	4.0
Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 111,882	$ 105,999
Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	5.0	5.0