Minimum Regulatory Capital Requirements - Schedule of Actual Capital Amounts and Ratios (Details)	Jun. 30, 2026 USD ($)	Dec. 31, 2025 USD ($)
Total capital to risk-weighted assets:
Minimum Capital Requirements Ratio	0.08
Common equity tier 1 capital to risk-weighted assets:
Minimum Capital Requirements Ratio	0.045
Tier 1 capital to risk-weighted assets:
Minimum Capital Requirements Ratio	0.06
Tier 1 capital to average assets:
Minimum Capital Requirements Ratio	0.04
Bank
Total capital to risk-weighted assets:
Actual Amount	$ 262,119,000	$ 258,704,000
Actual Ratio	0.12	0.118
Minimum Capital Requirements Amount	$ 174,454,000	$ 174,937,000
Minimum Capital Requirements Ratio	0.08	0.08
Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	$ 218,068,000	$ 218,671,000
Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio	0.10	0.10
Common equity tier 1 capital to risk-weighted assets:
Actual Amount	$ 234,850,000	$ 231,544,000
Actual Ratio	0.108	0.106
Minimum Capital Requirements Amount	$ 98,130,000	$ 98,402,000
Minimum Capital Requirements Ratio	0.045	0.045
Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	$ 141,744,000	$ 142,136,000
Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio	0.065	0.065
Tier 1 capital to risk-weighted assets:
Actual Amount	$ 234,850,000	$ 231,544,000
Actual Ratio	0.108	0.106
Minimum Capital Requirements Amount	$ 130,841,000	$ 131,203,000
Minimum Capital Requirements Ratio	0.06	0.06
Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	$ 174,454,000	$ 174,937,000
Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio	0.08	0.08
Tier 1 capital to average assets:
Actual Amount	$ 234,840,000	$ 231,544,000
Actual Ratio	0.083	0.081
Minimum Capital Requirements Amount	$ 113,292,000	$ 114,000,000
Minimum Capital Requirements Ratio	0.04	0.04
Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	$ 141,614,000	$ 142,500,000
Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio	0.05	0.05
Consolidated
Total capital to risk-weighted assets:
Actual Amount	$ 288,496,000	$ 281,648,000
Actual Ratio	0.131	0.128
Minimum Capital Requirements Amount	$ 175,804,000	$ 176,132,000
Minimum Capital Requirements Ratio	0.08	0.08
Common equity tier 1 capital to risk-weighted assets:
Actual Amount	$ 166,252,000	$ 159,520,000
Actual Ratio	0.076	0.072
Minimum Capital Requirements Amount	$ 98,890,000	$ 99,074,000
Minimum Capital Requirements Ratio	0.045	0.045
Tier 1 capital to risk-weighted assets:
Actual Amount	$ 166,252,000	$ 159,520,000
Actual Ratio	0.076	0.072
Minimum Capital Requirements Amount	$ 131,853,000	$ 132,099,000
Minimum Capital Requirements Ratio	0.06	0.06
Tier 1 capital to average assets:
Actual Amount	$ 166,252,000	$ 159,520,000
Actual Ratio	0.058	0.056
Minimum Capital Requirements Amount	$ 113,772,000	$ 114,411,000
Minimum Capital Requirements Ratio	0.04	0.04

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

Reference 1: 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

Reference 2: 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