Regulatory Capital - Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations (Details) $ in Thousands	Sep. 30, 2024 USD ($)	Dec. 31, 2023 USD ($)
Compliance with Regulatory Capital Requirements under Banking Regulations
Capital conservation buffer	0.025
Total risk-based capital (to risk-weighted assets), Amount, Actual	$ 321,177	$ 298,293
Total risk--based capital ratio	0.1523	0.1443
Total risk-based capital (to risk-weighted assets), Required for Capital Adequacy Purposes, Amount	$ 168,717	$ 165,370
Total risk-based capital ratio, Required for capital adequacy purposes effective	0.0800	0.0800
Total risk-based capital (to risk-weighted assets), To be Well Capitalized Under Prompt Corrective Action Regulations, Amount	$ 210,896	$ 206,712
Total risk-based capital ratio, To be well-capitalized under prompt corrective action regulations	0.1000	0.1000
Common equity tier 1 (to risk-weighted assets), Amount, Actual	$ 284,799	$ 262,454
CET1, Required for capital adequacy purposes effective	0.1350	0.1270
CEIT 1, Required for Capital Adequacy Purposes, Amount, Actual	$ 94,903	$ 93,020
CEIT 1, Required for Capital Adequacy Purposes, Ratio, Actual	0.0450	0.0450
CEIT 1, To be Well Capitalized Under Prompt Corrective Action Regulations, Amount	$ 137,082	$ 134,363
CEIT 1, To be Well Capitalized Under Prompt Corrective Action Regulations, Ratio	0.0650	0.0650
Assets	$ 294,799	$ 272,454
Tier I risk-based capital ratio	0.1398	0.1318
Tier 1 capital (to risk-weighted assets), Required for Capital Adequacy Purposes, Amount, Actual	$ 126,538	$ 124,027
Tier I risk-based capital ratio, Required for capital adequacy purposes effective	0.0600	0.0600
Tier 1 capital (to risk-weighted assets), To be Well Capitalized Under Prompt Corrective Action Regulations, Amount	$ 168,717	$ 165,370
Tier I risk-based capital ratio, To be well-capitalized under prompt corrective action regulations	0.0800	0.0800
Tier 1 capital (to average total assets), Amount, Actual	$ 294,799	$ 272,454
Leverage ratio	0.1194	0.1114
Tier 1 capital (to average total assets), Required for Capital Adequacy Purposes, Amount, Actual	$ 98,722	$ 97,800
Leverage ratio, Required for capital adequacy purposes effective	0.0400	0.0400
Tier 1 capital (to average total assets), To be Well Capitalized Under Prompt Corrective Action Regulations, Amount	$ 123,403	$ 122,250
Leverage ratio, To be well-capitalized under prompt corrective action regulations	0.0500	0.0500
Including capital conservation buffer
Compliance with Regulatory Capital Requirements under Banking Regulations
Total risk-based capital ratio, Required for capital adequacy purposes effective	0.105
CEIT 1, Required for Capital Adequacy Purposes, Ratio, Actual	0.070
Tier I risk-based capital ratio, Required for capital adequacy purposes effective	0.085
Bank
Compliance with Regulatory Capital Requirements under Banking Regulations
Capital conservation buffer	0.025
Total risk-based capital (to risk-weighted assets), Amount, Actual	$ 313,386	$ 287,206
Total risk--based capital ratio	0.1497	0.1402
Total risk-based capital (to risk-weighted assets), Required for Capital Adequacy Purposes, Amount	$ 167,498	$ 163,911
Total risk-based capital ratio, Required for capital adequacy purposes effective	0.0800	0.0800
Total risk-based capital (to risk-weighted assets), To be Well Capitalized Under Prompt Corrective Action Regulations, Amount	$ 209,373	$ 204,889
Total risk-based capital ratio, To be well-capitalized under prompt corrective action regulations	0.1000	0.1000
Common equity tier 1 (to risk-weighted assets), Amount, Actual	$ 287,197	$ 261,584
CET1, Required for capital adequacy purposes effective	0.1372	0.1276
CEIT 1, Required for Capital Adequacy Purposes, Amount, Actual	$ 94,218	$ 92,200
CEIT 1, Required for Capital Adequacy Purposes, Ratio, Actual	0.0450	0.0450
CEIT 1, To be Well Capitalized Under Prompt Corrective Action Regulations, Amount	$ 136,092	$ 133,178
CEIT 1, To be Well Capitalized Under Prompt Corrective Action Regulations, Ratio	0.0650	0.0650
Assets	$ 287,197	$ 261,584
Tier I risk-based capital ratio	0.1372	0.1276
Tier 1 capital (to risk-weighted assets), Required for Capital Adequacy Purposes, Amount, Actual	$ 125,624	$ 122,934
Tier I risk-based capital ratio, Required for capital adequacy purposes effective	0.0600	0.0600
Tier 1 capital (to risk-weighted assets), To be Well Capitalized Under Prompt Corrective Action Regulations, Amount	$ 167,498	$ 163,911
Tier I risk-based capital ratio, To be well-capitalized under prompt corrective action regulations	0.0800	0.0800
Tier 1 capital (to average total assets), Amount, Actual	$ 287,197	$ 261,584
Leverage ratio	0.1167	0.1074
Tier 1 capital (to average total assets), Required for Capital Adequacy Purposes, Amount, Actual	$ 98,411	$ 97,355
Leverage ratio, Required for capital adequacy purposes effective	0.0400	0.0400
Tier 1 capital (to average total assets), To be Well Capitalized Under Prompt Corrective Action Regulations, Amount	$ 123,014	$ 121,693
Leverage ratio, To be well-capitalized under prompt corrective action regulations	0.0500	0.0500
Bank \| Including capital conservation buffer
Compliance with Regulatory Capital Requirements under Banking Regulations
Total risk-based capital ratio, Required for capital adequacy purposes effective	0.105
CEIT 1, Required for Capital Adequacy Purposes, Ratio, Actual	0.07
Tier I risk-based capital ratio, Required for capital adequacy purposes effective	0.085

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Ratio of minimum Common Equity Tier 1 risk-based capital to risk-weighted assets required for capital adequacy as defined by regulatory framework.

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