Regulatory Capital - Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations (Details) $ in Thousands	Mar. 31, 2026 USD ($)	Dec. 31, 2025 USD ($)
Total capital (to risk weighted assets)
Amount	$ 316,016	$ 311,288
Ratio	0.165	0.163
Minimum Capital Requirement, Amount	$ 201,299	$ 201,106
Minimum Capital Requirement, Ratio	0.105	0.105
Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 191,714	$ 191,529
Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	0.10	0.10
Tier 1 capital (to risk weighted assets)
Amount	$ 294,832	$ 290,735
Ratio	0.154	0.152
Minimum Capital Requirement, Amount	$ 162,956	$ 162,800
Minimum Capital Requirement, Ratio	0.085	0.085
Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 153,371	$ 153,224
Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	0.08	0.08
Common equity tier 1 capital (to risk weighted assets)
Amount	$ 294,832	$ 290,735
Ratio	0.154	0.152
Minimum Capital Requirement, Amount	$ 134,199	$ 134,071
Minimum Capital Requirement, Ratio	0.07	0.07
Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 124,614	$ 124,494
Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	0.065	0.065
Tier 1 capital (to average assets)
Amount	$ 294,832	$ 290,735
Ratio	0.126	0.125
Minimum Capital Requirement, Amount	$ 93,591	$ 93,144
Minimum Capital Requirement, Ratio	0.04	0.04
Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 116,988	$ 116,430
Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	0.05	0.05

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
-Topic 942
-SubTopic 505
-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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