Loans and Allowance for Credit Losses - Narrative (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items]
Net deferred origination fees	$ 9,800,000		$ 9,800,000		$ 9,200,000
Accrued interest on loans	9,800,000		9,800,000		8,400,000
Nonaccrual loans	9,753,000		9,753,000		7,516,000
Interest on nonaccrual loans reversed through interest income	0	$ 0	0	$ 0
Interest earned on nonaccrual loans	143,000	$ 11,000	230,000	$ 246,000
Modified outstanding commitments	0		0
Net of government guarantees
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual loans	$ 9,564,000		$ 9,564,000		$ 7,516,000