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Disclosures About Fair Value of Financial Instruments - Fair value, assets measured on recurring basis (Details) - USD ($)	Dec. 31, 2022	Dec. 31, 2021
Agency mortgage-backed securities
Fair value of recurring basis and the level within the fair value hierarchy in which the fair value measurements
Available-for-Sale Securities	$ 286,482,000	$ 229,441,000
Agency collateralized mortgage obligations
Fair value of recurring basis and the level within the fair value hierarchy in which the fair value measurements
Available-for-Sale Securities	78,474,000	204,277,000
States and political subdivisions securities
Fair value of recurring basis and the level within the fair value hierarchy in which the fair value measurements
Available-for-Sale Securities	57,495,000	40,015,000
Small Business Administration securities
Fair value of recurring basis and the level within the fair value hierarchy in which the fair value measurements
Available-for-Sale Securities	68,141,000	27,299,000
Interest rate derivative asset
Fair value of recurring basis and the level within the fair value hierarchy in which the fair value measurements
Available-for-Sale Securities	11,061,000	2,816,000
Interest rate derivative liability
Fair value of recurring basis and the level within the fair value hierarchy in which the fair value measurements
Available-for-Sale Securities	(42,097,000)	(2,895,000)
Level 2 | Agency mortgage-backed securities
Fair value of recurring basis and the level within the fair value hierarchy in which the fair value measurements
Available-for-Sale Securities	286,482,000	229,441,000
Level 2 | Agency collateralized mortgage obligations
Fair value of recurring basis and the level within the fair value hierarchy in which the fair value measurements
Available-for-Sale Securities	78,474,000	204,277,000
Level 2 | States and political subdivisions securities
Fair value of recurring basis and the level within the fair value hierarchy in which the fair value measurements
Available-for-Sale Securities	57,495,000	40,015,000
Level 2 | Small Business Administration securities
Fair value of recurring basis and the level within the fair value hierarchy in which the fair value measurements
Available-for-Sale Securities	68,141,000	27,299,000
Level 2 | Interest rate derivative asset
Fair value of recurring basis and the level within the fair value hierarchy in which the fair value measurements
Available-for-Sale Securities	11,061,000	2,816,000
Level 2 | Interest rate derivative liability
Fair value of recurring basis and the level within the fair value hierarchy in which the fair value measurements
Available-for-Sale Securities	(42,097,000)	(2,895,000)
Level 3
Fair value of recurring basis and the level within the fair value hierarchy in which the fair value measurements
Available-for-Sale Securities	$ 0	$ 0

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- Definition

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- Definition

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+ References

No definition available.

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- Definition

Fair value of securitized, pay-through debt securities collateralized by real estate mortgage loans classified as available-for-sale.

+ References

No definition available.

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