Loans, Leases and Allowance - Financing Receivable, Nonaccrual (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Financing Receivable, Past Due [Line Items]
Nonaccrual loans and leases	$ 6,381	$ 5,063
Nonaccrual loans and leases without an allowance for credit losses	777	128
Commercial mortgage
Financing Receivable, Past Due [Line Items]
Nonaccrual loans and leases	704	0
Nonaccrual loans and leases without an allowance for credit losses	0	0
Commercial and industrial
Financing Receivable, Past Due [Line Items]
Nonaccrual loans and leases	32	35
Nonaccrual loans and leases without an allowance for credit losses	32	0
Construction and development
Financing Receivable, Past Due [Line Items]
Nonaccrual loans and leases	4,900	4,900
Nonaccrual loans and leases without an allowance for credit losses	0	0
Residential mortgage
Financing Receivable, Past Due [Line Items]
Nonaccrual loans and leases	76	94
Nonaccrual loans and leases without an allowance for credit losses	76	94
Direct financing leases
Financing Receivable, Past Due [Line Items]
Nonaccrual loans and leases	669	34
Nonaccrual loans and leases without an allowance for credit losses	$ 669	$ 34