Premises, Equipment and Leases (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Premises and Equipment [Abstract]
Premises and equipment before accumulated depreciation	$ 189,809	$ 184,361
Accumulated depreciation	120,762	112,268
Total premises and equipment	69,047	72,093
Operating lease ROU assets	$ 23,900	$ 23,300
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Other Assets	Other Assets
Net Lease Cost [Abstract]
Operating lease cost	$ 6,643	$ 7,176
Variable lease cost	2,041	2,090
Short-term lease cost	297	369
Sublease income	(266)	(466)
Total premises and equipment	8,715	9,169
Future Minimum Rental Commitments Related to Non-cancelable Operating Leases [Abstract]
2023	6,446
2024	5,427
2025	4,195
2026	3,298
2027	2,681
Thereafter	6,327
Total lease payments	28,374
Less: interest	(2,822)
Present value of lease liabilities	$ 25,552	$ 27,600
Operating Lease, Liability, Statement of Financial Position [Extensible List]	Other Liabilities	Other Liabilities
Additional Information Related to Operating Leases [Abstract]
Weighted average remaining lease term, in years	6 years 5 months 1 day	6 years 10 months 28 days
Weighted average discount rate	3.10%	2.97%
Cash paid for amounts included in the measurement of lease liabilities [Abstract]
Operating cash flows from operating leases	$ 8,371	$ 7,373
ROU assets obtained in exchange for lease liabilities	7,377	1,843
Rental expense	7,200	7,200	$ 8,000
Land, Buildings and Improvements [Member]
Premises and Equipment [Abstract]
Premises and equipment before accumulated depreciation	123,574	125,320
Furniture and Equipment [Member]
Premises and Equipment [Abstract]
Premises and equipment before accumulated depreciation	$ 66,235	$ 59,041
Furniture and Equipment [Member] | Minimum [Member]
Premises and Equipment [Abstract]
Property, plant and equipment, useful life	3 years
Furniture and Equipment [Member] | Maximum [Member]
Premises and Equipment [Abstract]
Property, plant and equipment, useful life	10 years
Building and Improvements [Member] | Minimum [Member]
Premises and Equipment [Abstract]
Property, plant and equipment, useful life	5 years
Building and Improvements [Member] | Maximum [Member]
Premises and Equipment [Abstract]
Property, plant and equipment, useful life	20 years