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Disclosures About Fair Value of Financial Instruments - Fair value, assets measured on recurring basis (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Agency mortgage-backed securities
Fair value of recurring basis and the level within the fair value hierarchy in which the fair value measurements
Assets fair value	$ 305,907	$ 280,231
Agency collateralized mortgage obligations
Fair value of recurring basis and the level within the fair value hierarchy in which the fair value measurements
Assets fair value	113,624	75,946
States and political subdivisions securities
Fair value of recurring basis and the level within the fair value hierarchy in which the fair value measurements
Assets fair value	55,948	58,137
Small Business Administration securities
Fair value of recurring basis and the level within the fair value hierarchy in which the fair value measurements
Assets fair value	57,894	63,893
Interest rate derivative asset
Fair value of recurring basis and the level within the fair value hierarchy in which the fair value measurements
Assets fair value	8,065	8,205
Interest rate derivative liability
Fair value of recurring basis and the level within the fair value hierarchy in which the fair value measurements
Assets fair value	(25,000)	(25,336)
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
Assets fair value	305,907	280,231
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
Assets fair value	113,624	75,946
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
Assets fair value	55,948	58,137
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
Assets fair value	57,894	63,893
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
Assets fair value	8,065	8,205
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
Assets fair value	(25,000)	(25,336)
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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+ References

No definition available.

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- Definition

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+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 100
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482078/820-10-55-100

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
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-Name Accounting Standards Codification
-Section 50
-Paragraph 2
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
-Section 50
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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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

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-Topic 820
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-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

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