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Fair Value Measurements - Summary of fair value measurements on recurring and non-recurring Basis (Details) - USD ($) | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Fair Value Measurements |  |
Securities available for sale | $ 139,427,000 | $ 144,133,000
Assets, fair value disclosure | 139,825,000 | 144,463,000
Specific reserve amount | 201,000 | 80,000
Level 1 |  |
Fair Value Measurements |  |
Assets, fair value disclosure | 7,476,000 |
Level 2 |  |
Fair Value Measurements |  |
Assets, fair value disclosure | 131,951,000 | 144,133,000
Level 3 |  |
Fair Value Measurements |  |
Assets, fair value disclosure | 398,000 | 330,000
U.S. Treasury securities |  |
Fair Value Measurements |  |
Securities available for sale | 6,945,000 | 6,783,000
State and Municipal |  |
Fair Value Measurements |  |
Securities available for sale | 33,729,000 | 32,297,000
Mortgage-backed |  |
Fair Value Measurements |  |
Securities available for sale | 46,114,000 | 51,893,000
Corporate securities |  |
Fair Value Measurements |  |
Securities available for sale | 1,284,000 | 1,325,000
Recurring | U.S. Treasury securities |  |
Fair Value Measurements |  |
Securities available for sale | 6,945,000 |
Recurring | U.S. Treasury securities | Level 1 |  |
Fair Value Measurements |  |
Securities available for sale | 6,945,000 |
Recurring | State and Municipal |  |
Fair Value Measurements |  |
Securities available for sale | 33,729,000 | 6,783,000
Recurring | State and Municipal | Level 2 |  |
Fair Value Measurements |  |
Securities available for sale | 33,729,000 | 6,783,000
Recurring | Mortgage-backed |  |
Fair Value Measurements |  |
Securities available for sale | 97,469,000 | 32,297,000
Recurring | Mortgage-backed | Level 1 |  |
Fair Value Measurements |  |
Securities available for sale | 531,000 |
Recurring | Mortgage-backed | Level 2 |  |
Fair Value Measurements |  |
Securities available for sale | 96,938,000 | 32,297,000
Recurring | Corporate securities |  |
Fair Value Measurements |  |
Securities available for sale | 1,284,000 | 103,728,000
Recurring | Corporate securities | Level 2 |  |
Fair Value Measurements |  |
Securities available for sale | 1,284,000 | 103,728,000
Recurring | Interest rate swap |  |
Fair Value Measurements |  |
Securities available for sale |  | 1,325,000
Recurring | Interest rate swap | Level 2 |  |
Fair Value Measurements |  |
Securities available for sale |  | 1,325,000
Nonrecurring |  |
Fair Value Measurements |  |
Impaired loans | 398,000 | 330,000
Nonrecurring | Level 3 |  |
Fair Value Measurements |  |
Impaired loans | $ 398,000 | $ 330,000

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