Loans and Allowance for Loan Losses - Aging of Past Due Loans by Class of Loan (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Financing Receivable, Past Due [Line Items]
Loans	$ 4,601,933	$ 4,661,597
Financial Asset, Current
Financing Receivable, Past Due [Line Items]
Loans	4,593,759	4,650,195
30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	3,224	8,352
60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	2,709	2,361
Greater than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	2,241	689
Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Loans	8,174	11,402
Construction Real Estate Loans
Financing Receivable, Past Due [Line Items]
Loans	470,380	537,827
Construction Real Estate Loans \| Financial Asset, Current
Financing Receivable, Past Due [Line Items]
Loans	469,543	537,730
Construction Real Estate Loans \| 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	586	92
Construction Real Estate Loans \| 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	20	5
Construction Real Estate Loans \| Greater than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	231	0
Construction Real Estate Loans \| Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Loans	837	97
1-4 Family Residential Real Estate Loans
Financing Receivable, Past Due [Line Items]
Loans	736,108	740,396
1-4 Family Residential Real Estate Loans \| Financial Asset, Current
Financing Receivable, Past Due [Line Items]
Loans	733,832	735,589
1-4 Family Residential Real Estate Loans \| 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	1,025	3,217
1-4 Family Residential Real Estate Loans \| 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	1,030	1,328
1-4 Family Residential Real Estate Loans \| Greater than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	221	262
1-4 Family Residential Real Estate Loans \| Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Loans	2,276	4,807
Commercial Real Estate Loans
Financing Receivable, Past Due [Line Items]
Loans	2,606,072	2,579,735
Commercial Real Estate Loans \| Financial Asset, Current
Financing Receivable, Past Due [Line Items]
Loans	2,605,342	2,577,350
Commercial Real Estate Loans \| 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	319	2,054
Commercial Real Estate Loans \| 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	349	331
Commercial Real Estate Loans \| Greater than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	62	0
Commercial Real Estate Loans \| Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Loans	730	2,385
Commercial loans
Financing Receivable, Past Due [Line Items]
Loans	380,612	363,167
Commercial loans \| Financial Asset, Current
Financing Receivable, Past Due [Line Items]
Loans	376,346	359,230
Commercial loans \| 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	1,244	2,881
Commercial loans \| 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	1,300	649
Commercial loans \| Greater than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	1,722	407
Commercial loans \| Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Loans	4,266	3,937
Municipal loans
Financing Receivable, Past Due [Line Items]
Loans	363,746	390,968
Municipal loans \| Financial Asset, Current
Financing Receivable, Past Due [Line Items]
Loans	363,746	390,968
Municipal loans \| 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Municipal loans \| 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Municipal loans \| Greater than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Municipal loans \| Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Loans to individuals
Financing Receivable, Past Due [Line Items]
Loans	45,015	49,504
Loans to individuals \| Financial Asset, Current
Financing Receivable, Past Due [Line Items]
Loans	44,950	49,328
Loans to individuals \| 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	50	108
Loans to individuals \| 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	10	48
Loans to individuals \| Greater than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	5	20
Loans to individuals \| Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Loans	$ 65	$ 176