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Fair Value Measurements - Assets Measured at Fair Value on Recurring and Nonrecurring Basis (Details) - USD ($) | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Fair Value Measurements. |  |
Securities available for sale, fair value | $ 421,627,000 | $ 389,243,000
Equity securities | 1,000,000 | 887,000
Agency mortgage-backed securities |  |
Fair Value Measurements. |  |
Securities available for sale, fair value | 83,676,000 | 67,941,000
Agency CMO |  |
Fair Value Measurements. |  |
Securities available for sale, fair value | 97,006,000 | 47,518,000
Agency notes and bonds |  |
Fair Value Measurements. |  |
Securities available for sale, fair value | 91,827,000 | 118,080,000
Treasury notes and bonds |  |
Fair Value Measurements. |  |
Securities available for sale, fair value | 5,441,000 | 21,549,000
Municipal obligations |  |
Fair Value Measurements. |  |
Securities available for sale, fair value | 143,677,000 | 134,155,000
Recurring |  |
Fair Value Measurements. |  |
Securities available for sale, fair value | 421,627,000 | 389,243,000
Equity securities | 1,013,000 | 886,000
Recurring | Level 1 |  |
Fair Value Measurements. |  |
Securities available for sale, fair value | 5,441,000 | 21,549,000
Equity securities | 1,013,000 | 886,000
Recurring | Level 2 |  |
Fair Value Measurements. |  |
Securities available for sale, fair value | 416,186,000 | 367,694,000
Equity securities | 0 | 0
Recurring | Level 3 |  |
Fair Value Measurements. |  |
Securities available for sale, fair value | 0 | 0
Equity securities | 0 | 0
Recurring | Agency mortgage-backed securities |  |
Fair Value Measurements. |  |
Securities available for sale, fair value | 83,676,000 | 67,941,000
Recurring | Agency mortgage-backed securities | Level 1 |  |
Fair Value Measurements. |  |
Securities available for sale, fair value | 0 | 0
Recurring | Agency mortgage-backed securities | Level 2 |  |
Fair Value Measurements. |  |
Securities available for sale, fair value | 83,676,000 | 67,941,000
Recurring | Agency mortgage-backed securities | Level 3 |  |
Fair Value Measurements. |  |
Securities available for sale, fair value | 0 | 0
Recurring | Agency CMO |  |
Fair Value Measurements. |  |
Securities available for sale, fair value | 97,006,000 | 47,518,000
Recurring | Agency CMO | Level 1 |  |
Fair Value Measurements. |  |
Securities available for sale, fair value | 0 | 0
Recurring | Agency CMO | Level 2 |  |
Fair Value Measurements. |  |
Securities available for sale, fair value | 97,006,000 | 47,518,000
Recurring | Agency CMO | Level 3 |  |
Fair Value Measurements. |  |
Securities available for sale, fair value | 0 | 0
Recurring | Agency notes and bonds |  |
Fair Value Measurements. |  |
Securities available for sale, fair value | 91,827,000 | 118,080,000
Recurring | Agency notes and bonds | Level 1 |  |
Fair Value Measurements. |  |
Securities available for sale, fair value | 0 | 0
Recurring | Agency notes and bonds | Level 2 |  |
Fair Value Measurements. |  |
Securities available for sale, fair value | 91,827,000 | 118,080,000
Recurring | Agency notes and bonds | Level 3 |  |
Fair Value Measurements. |  |
Securities available for sale, fair value | 0 | 0
Recurring | Treasury notes and bonds |  |
Fair Value Measurements. |  |
Securities available for sale, fair value | 5,441,000 | 21,549,000
Recurring | Treasury notes and bonds | Level 1 |  |
Fair Value Measurements. |  |
Securities available for sale, fair value | 5,441,000 | 21,549,000
Recurring | Treasury notes and bonds | Level 2 |  |
Fair Value Measurements. |  |
Securities available for sale, fair value | 0 | 0
Recurring | Treasury notes and bonds | Level 3 |  |
Fair Value Measurements. |  |
Securities available for sale, fair value | 0 | 0
Recurring | Municipal obligations |  |
Fair Value Measurements. |  |
Securities available for sale, fair value | 143,677,000 | 134,155,000
Recurring | Municipal obligations | Level 1 |  |
Fair Value Measurements. |  |
Securities available for sale, fair value | 0 | 0
Recurring | Municipal obligations | Level 2 |  |
Fair Value Measurements. |  |
Securities available for sale, fair value | 143,677,000 | 134,155,000
Recurring | Municipal obligations | Level 3 |  |
Fair Value Measurements. |  |
Securities available for sale, fair value | 0 | 0
Nonrecurring |  |
Fair Value Measurements. |  |
Collateral dependent loans | 531,000 | 729,000
Nonrecurring | Commercial Business |  |
Fair Value Measurements. |  |
Collateral dependent loans | 494,000 | 693,000
Nonrecurring | 1-4 Family Residential Construction |  |
Fair Value Measurements. |  |
Collateral dependent loans | 37,000 | 36,000
Nonrecurring | Level 1 |  |
Fair Value Measurements. |  |
Collateral dependent loans | 0 | 0
Nonrecurring | Level 1 | Commercial Business |  |
Fair Value Measurements. |  |
Collateral dependent loans | 0 | 0
Nonrecurring | Level 1 | 1-4 Family Residential Construction |  |
Fair Value Measurements. |  |
Collateral dependent loans | 0 | 0
Nonrecurring | Level 2 |  |
Fair Value Measurements. |  |
Collateral dependent loans | 0 | 0
Nonrecurring | Level 2 | Commercial Business |  |
Fair Value Measurements. |  |
Collateral dependent loans | 0 | 0
Nonrecurring | Level 2 | 1-4 Family Residential Construction |  |
Fair Value Measurements. |  |
Collateral dependent loans | 0 | 0
Nonrecurring | Level 3 |  |
Fair Value Measurements. |  |
Collateral dependent loans | 531,000 | 729,000
Nonrecurring | Level 3 | Commercial Business |  |
Fair Value Measurements. |  |
Collateral dependent loans | 494,000 | 693,000
Nonrecurring | Level 3 | 1-4 Family Residential Construction |  |
Fair Value Measurements. |  |
Collateral dependent loans | $ 37,000 | $ 36,000

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