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Stockholders' Equity - Summary of capital comparison with minimum requirements (Details) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Jan. 01, 2016
Stockholders' Equity |  |  |
Annual increase in capital (to risk weighted assets) for capital adequacy purposes ratio | 0.625% |  |
Common Equity Tier I Capital (to Risk Weighted Assets) Actual Amount | $ 36,481 | $ 37,975 |
Common Equity Tier I Capital (to Risk Weighted Assets) Actual Ratio | 15.15% | 17.37% |
Common Equity Tier I Capital (to Risk Weighted Assets) For Capital Adequacy Purposes Actual Amount | $ 10,837 | $ 9,840 |
Common Equity Tier I Capital (to Risk Weighted Assets) For Capital Adequacy Purposes Actual Ratio | 4.50% | 4.50% |
Common Equity Tier I Capital (to Risk Weighted Assets) To Be Well Capitalized Under Prompt Corrective Action Provisions Actual Amount | $ 15,653 | $ 14,213 |
Common Equity Tier I Capital (to Risk Weighted Assets) To Be Well Capitalized Under Prompt Corrective Action Provisions Actual Ratio | 6.50% | 6.50% |
Total Capital (to Risk Weighted Assets) Actual Amount | $ 39,496 | $ 40,237 |
Total Capital (to Risk Weighted Assets) Actual Ratio | 0.164 | 0.184 |
Total Capital (to Risk Weighted Assets) For Capital Adequacy Purposes Amount | $ 19,265 | $ 17,493 |
Total Capital (to Risk Weighted Assets) For Capital Adequacy Purposes Ratio | 0.08 | 0.08 | 0.625
Total Capital (to Risk Weighted Assets) To Be Well Capitalized Under Prompt Corrective Action Provisions Amount | $ 24,082 | $ 21,867 |
Total Capital (to Risk Weighted Assets) To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio | 0.10 | 0.10 |
Tier I Capital (to Risk Weighted Assets) Actual Amount | $ 36,481 | $ 37,975 |
Tier I Capital (to Risk Weighted Assets) Actual Ratio | 0.1515 | 0.1737 |
Tier I Capital (to Risk Weighted Assets) For Capital Adequacy Purposes Amount | $ 14,449 | $ 13,120 |
Tier I Capital (to Risk Weighted Assets) For Capital Adequacy Purposes Ratio | 0.06 | 0.06 |
Tier I Capital (to Risk Weighted Assets) To Be Well Capitalized Under Prompt Corrective Action Provisions Amount | $ 19,265 | $ 17,493 |
Tier I Capital (to Risk Weighted Assets) To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio | 0.08 | 0.08 |
Tier I Capital (to Average Assets) Actual Amount | $ 36,481 | $ 37,975 |
Tier I Capital (to Average Assets) Actual Ratio | 0.0997 | 0.1076 |
Tier I Capital (to Average Assets) For Capital Adequacy Purposes Amount | $ 14,640 | $ 14,113 |
Tier I Capital (to Average Assets) For Capital Adequacy Purposes Ratio | 0.04 | 0.04 |
Tier I Capital (to Average Assets) To Be Well Capitalized Under Prompt Corrective Action Provisions Amount | $ 18,300 | $ 17,641 |
Tier I Capital (to Average Assets) To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio | 0.05 | 0.05 |
Minimum |  |  |
Stockholders' Equity |  |  |
Common Equity Tier I Capital (to Risk Weighted Assets) For Capital Adequacy Purposes Actual Ratio | 4.50% |  |
Tier I Capital (to Risk Weighted Assets) For Capital Adequacy Purposes Actual Ratio | 4.00% |  |
Total Capital (to Risk Weighted Assets) Actual Ratio | 0.08 |  |
Tier I Capital (to Average Assets) Actual Ratio | 0.04 |  |
Maximum |  |  |
Stockholders' Equity |  |  |
Tier I Capital (to Risk Weighted Assets) For Capital Adequacy Purposes Actual Ratio | 6.00% |  |
Total Capital (to Risk Weighted Assets) For Capital Adequacy Purposes Ratio | 0.025 |  |

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