Loans and Allowance for Loan Losses - Loans by Portfolio Segment (Details) - USD ($) $ in Thousands	Sep. 30, 2026	Jun. 30, 2026	Dec. 31, 2025	Sep. 30, 2025	Jun. 30, 2025	Dec. 31, 2024
Loans and Leases Receivable Disclosure [Abstract]
Loans	$ 4,958,689		$ 4,817,991
Less: Allowance for loan losses	46,858	$ 45,595	45,100	$ 45,294	$ 44,421	$ 44,884
Total loans	4,911,831		4,772,891
Construction Real Estate Loans
Loans and Leases Receivable Disclosure [Abstract]
Loans	542,996		548,570
Less: Allowance for loan losses	7,057	6,521	7,951	6,224	6,194	3,958
1-4 Family Residential Real Estate Loans
Loans and Leases Receivable Disclosure [Abstract]
Loans	724,897		724,354
Less: Allowance for loan losses	2,888	2,812	2,830	2,828	2,781	2,780
Commercial Owner Occupied
Loans and Leases Receivable Disclosure [Abstract]
Loans	360,611		319,536
Less: Allowance for loan losses	5,382	5,867	5,655	5,606	5,417	5,603
Commercial Real Estate Loans
Loans and Leases Receivable Disclosure [Abstract]
Loans	2,416,412		2,393,280
Less: Allowance for loan losses	24,601	25,139	23,750	25,482	25,284	29,923
Commercial loans
Loans and Leases Receivable Disclosure [Abstract]
Loans	510,057		444,720
Less: Allowance for loan losses	6,776	5,115	4,588	4,800	4,433	2,448
Municipal loans
Loans and Leases Receivable Disclosure [Abstract]
Loans	367,711		346,720
Less: Allowance for loan losses	16	12	13	13	14	16
Loans to individuals
Loans and Leases Receivable Disclosure [Abstract]
Loans	36,005		40,811
Less: Allowance for loan losses	$ 138	$ 129	$ 313	$ 341	$ 298	$ 156