Leases and Commitments - Narrative (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2024 USD ($) item	Dec. 31, 2023 USD ($) item
Other Commitments [Line Items]
Operating lease right-of-use assets	$ 4,600	$ 5,200
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Prepaid Expense and Other Assets	Prepaid Expense and Other Assets
Lease liabilities	$ 4,774	$ 5,300
Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration]	Accrued Liabilities and Other Liabilities	Accrued Liabilities and Other Liabilities
Lease terminations | item	0	0
Commitments to Extend Credit
Other Commitments [Line Items]
Reserve for commitments	$ 322,300	$ 312,500
Commitments expire within one year	167,100	149,300
Standby Letters of Credit
Other Commitments [Line Items]
Reserve for commitments	$ 5,500	$ 5,700
Minimum
Other Commitments [Line Items]
Operating lease, remaining contract term	1 year
Operating Lease renewal term	1 year
Maximum
Other Commitments [Line Items]
Operating lease, remaining contract term	10 years
Operating Lease renewal term	5 years