Equity and Regulatory Matters - Schedule of Capital Amounts and Ratios (Details) $ in Thousands	Mar. 31, 2026 USD ($)	Dec. 31, 2025 USD ($)
Common Equity Tier 1 capital (to risk-weighted assets)
Actual, Amount	$ 16,973	$ 17,228
Actual, Ratio	0.107	0.108
For Capital Adequacy Purpose, Amount (Minimum)	$ 7,138	$ 7,190
For Capital Adequacy Purpose, Ratio (Minimum)	0.045	0.045
Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 10,311	$ 10,385
Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	0.065	0.065
Tier 1 capital (to risk-weighted assets)
Actual, Amount	$ 16,973	$ 17,228
Actual, Ratio	0.107	0.108
For Capital Adequacy Purpose, Amount (Minimum)	$ 9,518	$ 9,586
For Capital Adequacy Purpose, Ratio (Minimum)	0.06	0.06
Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 12,690	$ 12,781
Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	0.08	0.08
Total capital (to risk-weighted assets)
Actual, Amount	$ 18,274	$ 18,501
Actual, Ratio	0.115	0.116
For Capital Adequacy Purpose, Amount (Minimum)	$ 12,690	$ 12,781
For Capital Adequacy Purpose, Ratio (Minimum)	0.08	0.08
Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 15,863	$ 15,977
Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	0.10	0.10
Tier 1 capital (to average assets)
Actual, Amount	$ 16,973	$ 17,228
Actual, Ratio	0.063	0.061
For Capital Adequacy Purpose, Amount (Minimum)	$ 10,732	$ 11,264
For Capital Adequacy Purpose, Ratio (Minimum)	0.04	0.04
Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 13,415	$ 14,080
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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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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