Fair Value Measurements - Schedule of Other Real Estate Owned and Repossessed Assets (Details) - Nonrecurring - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Fair value
Fair Value Measurements
Impaired loans	$ 966	$ 3,787
Other real estate and repossessed assets	0	1,937
Fair value \| Commercial, Financial, and Agricultural
Fair Value Measurements
Impaired loans	641	343
Fair value \| Real estate construction − residential
Fair Value Measurements
Impaired loans	260	260
Fair value \| Real estate mortgage − residential \| Mortgage
Fair Value Measurements
Impaired loans		21
Fair value \| Real estate mortgage − commercial
Fair Value Measurements
Impaired loans	65	3,163
Total Gains (Losses)
Fair Value Measurements
Gains (losses) on impaired loans	0	(23)
Gains (losses) on other real estate and repossessed assets	0	34
Total Gains (Losses) \| Commercial, Financial, and Agricultural
Fair Value Measurements
Gains (losses) on impaired loans	0	0
Total Gains (Losses) \| Real estate construction − residential
Fair Value Measurements
Gains (losses) on impaired loans	0	0
Total Gains (Losses) \| Real estate mortgage − residential \| Mortgage
Fair Value Measurements
Gains (losses) on impaired loans		0
Total Gains (Losses) \| Real estate mortgage − commercial
Fair Value Measurements
Gains (losses) on impaired loans	0	(23)
Quoted Prices in Active Markets for Identical Assets (Level 1) \| Fair value
Fair Value Measurements
Impaired loans	0	0
Other real estate and repossessed assets	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) \| Fair value \| Commercial, Financial, and Agricultural
Fair Value Measurements
Impaired loans	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) \| Fair value \| Real estate construction − residential
Fair Value Measurements
Impaired loans	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) \| Fair value \| Real estate mortgage − residential \| Mortgage
Fair Value Measurements
Impaired loans		0
Quoted Prices in Active Markets for Identical Assets (Level 1) \| Fair value \| Real estate mortgage − commercial
Fair Value Measurements
Impaired loans	0	0
Other Observable Inputs (Level 2) \| Fair value
Fair Value Measurements
Impaired loans	0	0
Other real estate and repossessed assets	0	0
Other Observable Inputs (Level 2) \| Fair value \| Commercial, Financial, and Agricultural
Fair Value Measurements
Impaired loans	0	0
Other Observable Inputs (Level 2) \| Fair value \| Real estate construction − residential
Fair Value Measurements
Impaired loans	0	0
Other Observable Inputs (Level 2) \| Fair value \| Real estate mortgage − residential \| Mortgage
Fair Value Measurements
Impaired loans		0
Other Observable Inputs (Level 2) \| Fair value \| Real estate mortgage − commercial
Fair Value Measurements
Impaired loans	0	0
Significant Unobservable Inputs (Level 3) \| Fair value
Fair Value Measurements
Impaired loans	966	3,787
Other real estate and repossessed assets	0	1,937
Significant Unobservable Inputs (Level 3) \| Fair value \| Commercial, Financial, and Agricultural
Fair Value Measurements
Impaired loans	641	343
Significant Unobservable Inputs (Level 3) \| Fair value \| Real estate construction − residential
Fair Value Measurements
Impaired loans	260	260
Significant Unobservable Inputs (Level 3) \| Fair value \| Real estate mortgage − residential \| Mortgage
Fair Value Measurements
Impaired loans		21
Significant Unobservable Inputs (Level 3) \| Fair value \| Real estate mortgage − commercial
Fair Value Measurements
Impaired loans	$ 65	$ 3,163

Represents the amount of gains (losses) arising due to the change in fair value of impaired loans.

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- Definition

Represents the amount of gains (losses) arising due to the change in fair value of other real estate owned and repossessed assets.

+ References

No definition available.

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- Definition

Represents the portion of impaired loans receivable that are valued at fair value by the entity.

+ References

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- Definition

Represents the portion of other impaired loans receivable that are valued at fair value by the entity.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 820
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-Name Accounting Standards Codification
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