Loans and Allowance for Loan Losses - Aging of Past Due Loans by Class of Loan (Details) - USD ($) $ in Thousands	Sep. 30, 2026	Dec. 31, 2025
Financing Receivable, Past Due [Line Items]
Loans	$ 4,958,689	$ 4,817,991
Financial Asset, Current
Financing Receivable, Past Due [Line Items]
Loans	4,940,058	4,800,268
30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	5,094	7,872
60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	2,766	8,187
Greater than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	10,771	1,664
Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Loans	18,631	17,723
Construction Real Estate Loans
Financing Receivable, Past Due [Line Items]
Loans	542,996	548,570
Construction Real Estate Loans \| Financial Asset, Current
Financing Receivable, Past Due [Line Items]
Loans	540,539	546,747
Construction Real Estate Loans \| 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	2,139	416
Construction Real Estate Loans \| 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	233	1,407
Construction Real Estate Loans \| Greater than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	85	0
Construction Real Estate Loans \| Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Loans	2,457	1,823
1-4 Family Residential Real Estate Loans
Financing Receivable, Past Due [Line Items]
Loans	724,897	724,354
1-4 Family Residential Real Estate Loans \| Financial Asset, Current
Financing Receivable, Past Due [Line Items]
Loans	721,443	718,053
1-4 Family Residential Real Estate Loans \| 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	1,550	4,324
1-4 Family Residential Real Estate Loans \| 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	440	693
1-4 Family Residential Real Estate Loans \| Greater than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	1,464	1,284
1-4 Family Residential Real Estate Loans \| Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Loans	3,454	6,301
Commercial Owner Occupied
Financing Receivable, Past Due [Line Items]
Loans	360,611	319,536
Commercial Owner Occupied \| Financial Asset, Current
Financing Receivable, Past Due [Line Items]
Loans	359,111	318,211
Commercial Owner Occupied \| 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	451	1,325
Commercial Owner Occupied \| 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	334	0
Commercial Owner Occupied \| Greater than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	715	0
Commercial Owner Occupied \| Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Loans	1,500	1,325
Commercial Real Estate Loans
Financing Receivable, Past Due [Line Items]
Loans	2,416,412	2,393,280
Commercial Real Estate Loans \| Financial Asset, Current
Financing Receivable, Past Due [Line Items]
Loans	2,409,476	2,387,511
Commercial Real Estate Loans \| 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	322
Commercial Real Estate Loans \| 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	424	5,447
Commercial Real Estate Loans \| Greater than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	6,512	0
Commercial Real Estate Loans \| Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Loans	6,936	5,769
Commercial loans
Financing Receivable, Past Due [Line Items]
Loans	510,057	444,720
Commercial loans \| Financial Asset, Current
Financing Receivable, Past Due [Line Items]
Loans	505,867	442,568
Commercial loans \| 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	860	1,132
Commercial loans \| 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	1,335	640
Commercial loans \| Greater than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	1,995	380
Commercial loans \| Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Loans	4,190	2,152
Municipal loans
Financing Receivable, Past Due [Line Items]
Loans	367,711	346,720
Municipal loans \| Financial Asset, Current
Financing Receivable, Past Due [Line Items]
Loans	367,640	346,720
Municipal loans \| 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	71	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	71	0
Loans to individuals
Financing Receivable, Past Due [Line Items]
Loans	36,005	40,811
Loans to individuals \| Financial Asset, Current
Financing Receivable, Past Due [Line Items]
Loans	35,982	40,458
Loans to individuals \| 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	23	353
Loans to individuals \| 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Loans to individuals \| Greater than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Loans to individuals \| Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Loans	$ 23	$ 353