Loans and Allowance for Credit Losses Schedule of Allowance for Credit Losses by Impairment Method (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Mar. 31, 2026	Dec. 31, 2025	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024
Loans, Allowance for Loan Losses [Line Items]
Allowance for credit losses, individually evaluated for credit losses	$ 0		$ 0
Allowance for credit losses, collectively evaluated for credit losses	30,530		30,525
Allowance for credit losses	30,530	$ 30,523	30,525	$ 30,539	$ 30,526	$ 30,432
Commercial [Member]
Loans, Allowance for Loan Losses [Line Items]
Allowance for credit losses, individually evaluated for credit losses	0		0
Allowance for credit losses, collectively evaluated for credit losses	5,257		5,700
Allowance for credit losses	5,257	5,223	5,700	5,644	5,846	5,489
Construction, land and land development [Member]
Loans, Allowance for Loan Losses [Line Items]
Allowance for credit losses, individually evaluated for credit losses	0		0
Allowance for credit losses, collectively evaluated for credit losses	2,910		3,744
Allowance for credit losses	2,910	3,240	3,744	4,098	3,894	4,354
1-4 family residential first mortgages [Member]
Loans, Allowance for Loan Losses [Line Items]
Allowance for credit losses, individually evaluated for credit losses	0		0
Allowance for credit losses, collectively evaluated for credit losses	1,029		687
Allowance for credit losses	1,029	1,088	687	623	635	650
Home equity [Member]
Loans, Allowance for Loan Losses [Line Items]
Allowance for credit losses, individually evaluated for credit losses	0		0
Allowance for credit losses, collectively evaluated for credit losses	269		274
Allowance for credit losses	269	278	274	241	220	200
Commercial real estate [Member]
Loans, Allowance for Loan Losses [Line Items]
Allowance for credit losses, individually evaluated for credit losses	0		0
Allowance for credit losses, collectively evaluated for credit losses	20,764		19,795
Allowance for credit losses	20,764	20,378	19,795	19,653	19,701	19,544
Consumer and other [Member]
Loans, Allowance for Loan Losses [Line Items]
Allowance for credit losses, individually evaluated for credit losses	0		0
Allowance for credit losses, collectively evaluated for credit losses	301		325
Allowance for credit losses	$ 301	$ 316	$ 325	$ 280	$ 230	$ 195