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Borrowings, Line of Credit and Subordinated Debt - Subordinated Debt Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Sep. 01, 2021	Sep. 28, 2018
Debt Instrument [Line Items]
Debt issuance costs	$ 316	$ 401
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]	us-gaap:SecuredOvernightFinancingRateSofrMember
Sevier County Bancshares Inc [Member]
Debt Instrument [Line Items]
Subordinated debt				$ 2,500
Subordinated Debt [Member]
Debt Instrument [Line Items]
Principal amount					$ 40,000
Interest rate					5.625%
Debt issuance costs					$ 844
Basis spread on variable rate (as a percent)	281.161%
Amortization expense of debt issuance costs	$ 84	$ 84	$ 84
Subordinated Debt [Member] | Sevier County Bancshares Inc [Member]
Debt Instrument [Line Items]
Interest rate				6.75%

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Amount of subordinated debt due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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