Loans, Balance in Allowance for Credit Losses (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Allowance for Credit Losses [Roll Forward]
Beginning balance	$ 48,022	$ 35,096
Provision charged to expense	(6,386)	16,047	$ 4,819
Losses charged off	(4,325)	(10,453)
Recoveries	4,445	4,292
Ending balance	41,756	48,022	35,096
Commercial [Member] \| Hotel/Motel [Member]
Allowance for Credit Losses [Roll Forward]
Beginning balance	6,356	3,371
Provision charged to expense	(1,276)	2,858
Losses charged off	0	(43)
Recoveries	0	0
Ending balance	5,080	6,356	3,371
Commercial [Member] \| Commercial Real Estate Residential [Member]
Allowance for Credit Losses [Roll Forward]
Beginning balance	4,464	3,439
Provision charged to expense	(488)	1,772
Losses charged off	(28)	(182)
Recoveries	38	156
Ending balance	3,986	4,464	3,439
Commercial [Member] \| Commercial Real Estate Nonresidential [Member]
Allowance for Credit Losses [Roll Forward]
Beginning balance	11,086	8,515
Provision charged to expense	(2,233)	3,303
Losses charged off	(306)	(941)
Recoveries	337	90
Ending balance	8,884	11,086	8,515
Commercial [Member] \| Dealer Floorplans [Member]
Allowance for Credit Losses [Roll Forward]
Beginning balance	1,382	802
Provision charged to expense	54	(214)
Losses charged off	0	(26)
Recoveries	0	0
Ending balance	1,436	1,382	802
Commercial [Member] \| Commercial Other [Member]
Allowance for Credit Losses [Roll Forward]
Beginning balance	4,289	5,556
Provision charged to expense	388	2,040
Losses charged off	(644)	(3,339)
Recoveries	389	423
Ending balance	4,422	4,289	5,556
Residential [Member] \| Real Estate Mortgage [Member]
Allowance for Credit Losses [Roll Forward]
Beginning balance	7,832	4,604
Provision charged to expense	3	1,584
Losses charged off	(266)	(321)
Recoveries	68	72
Ending balance	7,637	7,832	4,604
Residential [Member] \| Home Equity Lines [Member]
Allowance for Credit Losses [Roll Forward]
Beginning balance	844	897
Provision charged to expense	39	16
Losses charged off	(36)	(4)
Recoveries	19	10
Ending balance	866	844	897
Consumer [Member] \| Consumer Direct [Member]
Allowance for Credit Losses [Roll Forward]
Beginning balance	1,863	1,711
Provision charged to expense	256	609
Losses charged off	(684)	(927)
Recoveries	516	510
Ending balance	1,951	1,863	1,711
Consumer [Member] \| Consumer Indirect [Member]
Allowance for Credit Losses [Roll Forward]
Beginning balance	9,906	6,201
Provision charged to expense	(3,129)	4,079
Losses charged off	(2,361)	(4,670)
Recoveries	3,078	3,031
Ending balance	$ 7,494	9,906	6,201
Cumulative Effect, Period of Adoption, Adjustment [Member] \| ASU 2016-13 [Member]
Allowance for Credit Losses [Roll Forward]
Beginning balance		3,040
Ending balance			3,040
Cumulative Effect, Period of Adoption, Adjustment [Member] \| ASU 2016-13 [Member] \| Commercial [Member] \| Hotel/Motel [Member]
Allowance for Credit Losses [Roll Forward]
Beginning balance		170
Ending balance			170
Cumulative Effect, Period of Adoption, Adjustment [Member] \| ASU 2016-13 [Member] \| Commercial [Member] \| Commercial Real Estate Residential [Member]
Allowance for Credit Losses [Roll Forward]
Beginning balance		(721)
Ending balance			(721)
Cumulative Effect, Period of Adoption, Adjustment [Member] \| ASU 2016-13 [Member] \| Commercial [Member] \| Commercial Real Estate Nonresidential [Member]
Allowance for Credit Losses [Roll Forward]
Beginning balance		119
Ending balance			119
Cumulative Effect, Period of Adoption, Adjustment [Member] \| ASU 2016-13 [Member] \| Commercial [Member] \| Dealer Floorplans [Member]
Allowance for Credit Losses [Roll Forward]
Beginning balance		820
Ending balance			820
Cumulative Effect, Period of Adoption, Adjustment [Member] \| ASU 2016-13 [Member] \| Commercial [Member] \| Commercial Other [Member]
Allowance for Credit Losses [Roll Forward]
Beginning balance		(391)
Ending balance			(391)
Cumulative Effect, Period of Adoption, Adjustment [Member] \| ASU 2016-13 [Member] \| Residential [Member] \| Real Estate Mortgage [Member]
Allowance for Credit Losses [Roll Forward]
Beginning balance		1,893
Ending balance			1,893
Cumulative Effect, Period of Adoption, Adjustment [Member] \| ASU 2016-13 [Member] \| Residential [Member] \| Home Equity Lines [Member]
Allowance for Credit Losses [Roll Forward]
Beginning balance		(75)
Ending balance			(75)
Cumulative Effect, Period of Adoption, Adjustment [Member] \| ASU 2016-13 [Member] \| Consumer [Member] \| Consumer Direct [Member]
Allowance for Credit Losses [Roll Forward]
Beginning balance		(40)
Ending balance			(40)
Cumulative Effect, Period of Adoption, Adjustment [Member] \| ASU 2016-13 [Member] \| Consumer [Member] \| Consumer Indirect [Member]
Allowance for Credit Losses [Roll Forward]
Beginning balance		$ 1,265
Ending balance			$ 1,265

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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