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Commitments - Summary of Financial Instrument Commitments (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
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Fixed Letters of Credit |  |
Financial instrument commitments |  |
Financial instrument commitments | $ 740 | $ 735
Fixed Letters of Credit | Commitments to Extend Credit to Borrowers [Member] |  |
Financial instrument commitments |  |
Financial instrument commitments | 740 | 735
Fixed Letters of Credit | Commitments to Extend Credit to Borrowers [Member] | Financial Standby Letter of Credit |  |
Financial instrument commitments |  |
Financial instrument commitments | 188 | 173
Fixed Letters of Credit | Commitments to Extend Credit to Borrowers [Member] | Performance Guarantee |  |
Financial instrument commitments |  |
Financial instrument commitments | 552 | 562
Fixed Letters of Credit | Unused lines of Credit |  |
Financial instrument commitments |  |
Loan commitments | 163,282 | 140,305
Variable Letters of Credit |  |
Financial instrument commitments |  |
Financial instrument commitments | 26,596 | 30,377
Variable Letters of Credit | Commitments to Extend Credit to Borrowers [Member] |  |
Financial instrument commitments |  |
Financial instrument commitments | 26,529 | 30,310
Variable Letters of Credit | Commitments to Extend Credit to Borrowers [Member] | Financial Standby Letter of Credit |  |
Financial instrument commitments |  |
Financial instrument commitments | 16,322 | 16,621
Variable Letters of Credit | Commitments to Extend Credit to Borrowers [Member] | Performance Guarantee |  |
Financial instrument commitments |  |
Financial instrument commitments | 10,207 | 13,689
Variable Letters of Credit | Commitments to Extend Credit Nonborrowers [Member] | Performance Guarantee |  |
Financial instrument commitments |  |
Financial instrument commitments | 67 | 67
Variable Letters of Credit | Unused lines of Credit |  |
Financial instrument commitments |  |
Loan commitments | 616,533 | 694,960
Letter of Credit |  |
Financial instrument commitments |  |
Financial instrument commitments | 27,336 | 31,112
Letter of Credit | Commitments to Extend Credit to Borrowers [Member] |  |
Financial instrument commitments |  |
Financial instrument commitments | 27,269 | 31,045
Letter of Credit | Commitments to Extend Credit to Borrowers [Member] | Financial Standby Letter of Credit |  |
Financial instrument commitments |  |
Financial instrument commitments | 16,510 | 16,794
Letter of Credit | Commitments to Extend Credit to Borrowers [Member] | Performance Guarantee |  |
Financial instrument commitments |  |
Financial instrument commitments | 10,759 | 14,251
Letter of Credit | Commitments to Extend Credit Nonborrowers [Member] | Performance Guarantee |  |
Financial instrument commitments |  |
Financial instrument commitments | 67 | 67
Letter of Credit | Unused lines of Credit |  |
Financial instrument commitments |  |
Loan commitments | $ 779,815 | $ 835,265

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