Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Deferred tax assets:
Allowance for credit losses on loans	$ 20,900	$ 18,102
Allowance for credit losses on unfunded commitments	3,057	3,103
Excess book over tax pension plan cost	365	467
Deferred compensation	638	571
Federal & state net operating loss and tax credit carryforwards	197	206
Accruals, book versus tax	4,404	4,235
Pension	0	81
Unrealized losses on securities available for sale	102,046	7,369
Foreclosed real estate	3	20
Basis differences in assets acquired in FDIC transactions	0	504
Purchase accounting adjustments	2,982	4,076
Equity compensation	768	694
Partnership investments	652	310
Leases	151	108
SBA servicing asset	77	108
All other	0	101
Gross deferred tax assets	136,240	40,055
Less: Valuation allowance	(30)	(10)
Net deferred tax assets	136,210	40,045
Deferred tax liabilities:
Loan fees	(3,102)	(2,840)
Depreciable basis of fixed assets	(5,493)	(5,790)
Amortizable basis of intangible assets	(10,047)	(10,328)
Basis differences in assets acquired in FDIC transactions	108	0
Trust preferred securities	(416)	(453)
Pension	(12)	0
Gross deferred tax liabilities	(19,178)	(19,411)
Net deferred tax asset	$ 117,032	$ 20,634