Loans, Balance in ACL (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Balance in ACL [Roll Forward]
Beginning balance	$ 49,543	$ 45,981	$ 45,981
Provision charged to expense	2,656	1,116	6,811
Losses charged off	(2,667)	(1,765)	(8,259)
Recoveries	1,039	1,351	5,010
Ending balance	50,571	46,683	49,543
Commercial [Member]
Balance in ACL [Roll Forward]
Losses charged off	(167)		(2,222)
Commercial [Member] \| Hotel/Motel [Member]
Balance in ACL [Roll Forward]
Beginning balance	4,592	5,171	5,171
Provision charged to expense	348	116	(579)
Losses charged off	0	0	0
Recoveries	0	0	0
Ending balance	4,940	5,287	4,592
Commercial [Member] \| Commercial Real Estate Residential [Member]
Balance in ACL [Roll Forward]
Beginning balance	4,285	4,894	4,894
Provision charged to expense	(161)	186	(706)
Losses charged off	0	0	(28)
Recoveries	4	77	125
Ending balance	4,128	5,157	4,285
Commercial [Member] \| Commercial Real Estate Nonresidential [Member]
Balance in ACL [Roll Forward]
Beginning balance	7,560	9,419	9,419
Provision charged to expense	615	(553)	(2,252)
Losses charged off	0	0	(294)
Recoveries	3	144	687
Ending balance	8,178	9,010	7,560
Commercial [Member] \| Dealer Floorplans [Member]
Balance in ACL [Roll Forward]
Beginning balance	659	1,776	1,776
Provision charged to expense	62	(82)	(1,117)
Losses charged off	0	0	0
Recoveries	0	0	0
Ending balance	721	1,694	659
Commercial [Member] \| Commercial Other [Member]
Balance in ACL [Roll Forward]
Beginning balance	3,760	5,285	5,285
Provision charged to expense	114	(416)	(91)
Losses charged off	(167)	(187)	(1,900)
Recoveries	92	100	466
Ending balance	3,799	4,782	3,760
Residential [Member]
Balance in ACL [Roll Forward]
Losses charged off	(27)		(163)
Residential [Member] \| Real Estate Mortgage [Member]
Balance in ACL [Roll Forward]
Beginning balance	10,197	7,932	7,932
Provision charged to expense	141	21	2,364
Losses charged off	(27)	(40)	(140)
Recoveries	14	4	41
Ending balance	10,325	7,917	10,197
Residential [Member] \| Home Equity Lines [Member]
Balance in ACL [Roll Forward]
Beginning balance	1,367	1,106	1,106
Provision charged to expense	(65)	(64)	278
Losses charged off	0	0	(23)
Recoveries	2	2	6
Ending balance	1,304	1,044	1,367
Consumer [Member]
Balance in ACL [Roll Forward]
Losses charged off	(2,473)		(5,874)
Consumer [Member] \| Consumer Direct [Member]
Balance in ACL [Roll Forward]
Beginning balance	3,261	1,694	1,694
Provision charged to expense	803	105	1,804
Losses charged off	(533)	(156)	(541)
Recoveries	40	103	304
Ending balance	3,571	1,746	3,261
Consumer [Member] \| Consumer Indirect [Member]
Balance in ACL [Roll Forward]
Beginning balance	13,862	8,704	8,704
Provision charged to expense	799	1,803	7,110
Losses charged off	(1,940)	(1,382)	(5,333)
Recoveries	884	921	3,381
Ending balance	$ 13,605	$ 10,046	$ 13,862

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

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