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Loans and Allowance for Loan Losses - Loans by Portfolio Segment (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024	Mar. 31, 2024	Dec. 31, 2023
Loans and Leases Receivable Disclosure [Abstract]
Loans	$ 4,567,239	$ 4,661,597
Less: Allowance for loan losses	44,623	44,884	$ 43,557	$ 42,674
Total loans	4,522,616	4,616,713
Construction Real Estate Loans
Loans and Leases Receivable Disclosure [Abstract]
Loans	458,101	537,827
Less: Allowance for loan losses	3,887	3,958	4,920	5,287
1-4 Family Residential Real Estate Loans
Loans and Leases Receivable Disclosure [Abstract]
Loans	741,432	740,396
Less: Allowance for loan losses	2,709	2,780	2,768	2,840
Commercial Real Estate Loans
Loans and Leases Receivable Disclosure [Abstract]
Loans	2,577,229	2,579,735
Less: Allowance for loan losses	34,730	35,526	32,893	32,266
Commercial loans
Loans and Leases Receivable Disclosure [Abstract]
Loans	371,643	363,167
Less: Allowance for loan losses	3,128	2,448	2,774	2,086
Municipal loans
Loans and Leases Receivable Disclosure [Abstract]
Loans	371,271	390,968
Less: Allowance for loan losses	14	16	19	19
Loans to individuals
Loans and Leases Receivable Disclosure [Abstract]
Loans	47,563	49,504
Less: Allowance for loan losses	$ 155	$ 156	$ 183	$ 176

X

- Definition

Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

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- Definition

Amortized cost excluding accrued interest, after allowance for credit loss, of financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

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- Definition

Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-5

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