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Regulatory Capital Requirements - Summary of Compliance with Regulatory Capital Requirements under Banking Regulations (Details) $ in Thousands | Dec. 31, 2025 USD ($) | Dec. 31, 2024 USD ($)
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Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
Total Risk-Based Capital, Actual Amount | $ 176,952 | $ 157,206
Total Risk-Based Capital, Actual Ratio | 0.4766 | 0.3930
Tier 1 Risk-Based Capital , Actual amount | $ 172,728 | $ 152,491
Tier 1 Risk-Based Capital , Actual Ratio | 0.4652 | 0.3812
Common Equity Tier 1 Capital, Actual amount | $ 172,728 | $ 152,491
Common Equity Tier 1 Capital , Actual Ratio | 0.4652 | 0.3812
Tier 1 Leverage Ratio, Actual amount | $ 172,728 | $ 152,491
Tier 1 Leverage Ratio , Actual Ratio | 0.1028 | 0.1148
Bank |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
Total Risk-Based Capital, Actual Amount | $ 165,665 | $ 131,750
Total Risk-Based Capital, Actual Ratio | 0.4463 | 0.3294
Total Risk-Based Capital, Minimum Capital Requirement Amount | $ 38,977 | $ 41,998
Banking Regulation, Total Risk-Based Capital Ratio, Capital Adequacy, Minimum | 0.1050 | 0.1050
Total Risk-Based Capital, Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions Amount | $ 37,121 | $ 39,998
Total Risk-Based Capital, Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio | 0.1000 | 0.1000
Tier 1 Risk-Based Capital , Actual amount | $ 161,442 | $ 127,034
Tier 1 Risk-Based Capital , Actual Ratio | 0.4349 | 0.3176
Tier 1 Risk-Based, Capital Minimum Capital Requirement, Amount | $ 31,553 | $ 33,998
Tier 1 Risk-Based, Capital Minimum Capital Requirement, Ratio | 0.0850 | 0.0850
Tier 1 Risk-Based Capital, Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount | $ 29,697 | $ 31,999
Tier 1 Risk-Based Capital, Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio | 0.0800 | 0.0800
Common Equity Tier 1 Capital, Actual amount | $ 161,442 | $ 127,034
Common Equity Tier 1 Capital , Actual Ratio | 0.4349 | 0.3176
Common Equity Tier 1 Capital, Capital Minimum Capital Requirement, Amount | $ 25,985 | $ 27,999
Common Equity Tier 1 Capital, Capital Minimum Capital Requirement, Ratio | 0.0700 | 0.0700
Common Equity Tier 1 Capital, Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount | $ 24,129 | $ 25,999
Common Equity Tier 1 Capital, Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio | 0.0650 | 0.0650
Tier 1 Leverage Ratio, Actual amount | $ 161,442 | $ 127,034
Tier 1 Leverage Ratio , Actual Ratio | 0.0961 | 0.0957
Tier 1 Leverage Ratio, Capital Minimum Capital Requirement, Amount | $ 67,201 | $ 53,119
Tier 1 Leverage Ratio, Capital Minimum Capital Requirement, Ratio | 0.0400 | 0.0400
Tier 1 Leverage Ratio, Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount | $ 84,002 | $ 66,399
Tier 1 Leverage Ratio, Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio | 0.0500 | 0.0500

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- Definition 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 + Details
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