Regulatory Capital - Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations (Details) $ in Thousands	Sep. 30, 2024 USD ($)	Dec. 31, 2023 USD ($)
Total capital (to risk weighted assets)
Actual, Amount	$ 291,881	$ 282,082
Actual, Ratio	0.163	0.157
Minimum Capital Requirements, Amount	$ 187,705	$ 188,448
Minimum Capital Requirements, Ratio	0.105	0.105
Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 178,766	$ 179,475
Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	0.100	0.100
Tier 1 capital (to risk weighted assets)
Actual, Amount	$ 273,529	$ 263,637
Actual, Ratio	0.153	0.147
Minimum Capital Requirements, Amount	$ 151,951	$ 152,553
Minimum Capital Requirements, Ratio	0.085	0.085
Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 143,013	$ 143,580
Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	0.080	0.080
Common equity tier 1 capital (to risk weighted assets)
Actual, Amount	$ 273,529	$ 263,637
Actual, Ratio	0.153	0.147
Minimum Capital Requirements, Amount	$ 125,136	$ 125,632
Minimum Capital Requirements, Ratio	0.070	0.070
Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 116,198	$ 116,658
Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	0.065	0.065
Tier 1 capital (to average assets)
Actual, Amount	$ 273,529	$ 263,637
Actual, Ratio	0.119	0.116
Minimum Capital Requirements, Amount	$ 91,608	$ 91,163
Minimum Capital Requirements, Ratio	0.040	0.040
Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 114,510	$ 113,954
Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	0.050	0.050

Ratio of minimum Tier 1 risk-based capital to risk-weighted assets required for capital adequacy with buffer.

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Amount of minimum Tier 1 risk-based capital required for capital adequacy with Buffer.

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477270/942-505-50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477270/942-505-50-1B

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Amount of total capital as defined by regulatory framework.

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Amount of Common Equity Tier 1 risk-based capital as defined by regulatory framework.

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