Loans and Allowance for Credit Losses - Schedule of Impaired Loans (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Sep. 30, 2025
Financing Receivable, Impaired [Line Items]
Nonaccrual with no ACL	$ 736	$ 2,185
Nonaccrual with ACL		252
Total Nonaccrual	736	2,437
Loans Past Due Over 90 Days Still Accruing	56	14
Total Nonperforming	792	2,451
Interest Income, Other	4,000
Commercial and Industrial
Financing Receivable, Impaired [Line Items]
Nonaccrual with no ACL	170	225
Nonaccrual with ACL		252
Total Nonaccrual	170	477
Loans Past Due Over 90 Days Still Accruing	41	14
Total Nonperforming	211	491
Commercial Real Estate
Financing Receivable, Impaired [Line Items]
Nonaccrual with no ACL	258	1,359
Total Nonaccrual	258	1,359
Total Nonperforming	258	1,359
Residential
Financing Receivable, Impaired [Line Items]
Nonaccrual with no ACL	308	589
Total Nonaccrual	308	589
Total Nonperforming	308	589
Installment
Financing Receivable, Impaired [Line Items]
Nonaccrual with no ACL		12
Total Nonaccrual		12
Total Nonperforming		$ 12
Consumer
Financing Receivable, Impaired [Line Items]
Loans Past Due Over 90 Days Still Accruing	15
Total Nonperforming	$ 15