Loans, Loan Portfolio Aging Analysis, Segregated by Class (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Dec. 31, 2022
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	$ 3,777,359	$ 3,709,290
Total Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	22,557	28,597
30-59 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	8,216	10,797
60-89 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	4,206	5,806
90+ Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	10,135	11,994
Current [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	$ 3,754,802	3,680,693
Automobile Loan [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Percentage of total indirect portfolio	94.00%
Commercial Other [Member] | Commercial Unsecured SBA PPP [Member] | Maximum [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	$ 1,000
Commercial [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	1,877,100	1,868,858
Commercial [Member] | Total Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	7,693	9,331
Commercial [Member] | 30-59 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	3,293	4,180
Commercial [Member] | 60-89 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	1,261	1,470
Commercial [Member] | 90+ Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	3,139	3,681
Commercial [Member] | Current [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	1,869,407	1,859,527
Commercial [Member] | Hotel/Motel [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	$ 348,876	343,640
Percentage of total loan	9.20%
Commercial [Member] | Hotel/Motel [Member] | Total Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	$ 0	0
Commercial [Member] | Hotel/Motel [Member] | 30-59 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	0	0
Commercial [Member] | Hotel/Motel [Member] | 60-89 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	0	0
Commercial [Member] | Hotel/Motel [Member] | 90+ Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	0	0
Commercial [Member] | Hotel/Motel [Member] | Current [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	348,876	343,640
Commercial [Member] | Commercial Real Estate Residential [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	385,328	372,914
Commercial [Member] | Commercial Real Estate Residential [Member] | Total Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	1,631	1,401
Commercial [Member] | Commercial Real Estate Residential [Member] | 30-59 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	597	602
Commercial [Member] | Commercial Real Estate Residential [Member] | 60-89 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	663	225
Commercial [Member] | Commercial Real Estate Residential [Member] | 90+ Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	371	574
Commercial [Member] | Commercial Real Estate Residential [Member] | Current [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	383,697	371,513
Commercial [Member] | Commercial Real Estate Nonresidential [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	750,498	762,349
Commercial [Member] | Commercial Real Estate Nonresidential [Member] | Total Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	3,085	5,555
Commercial [Member] | Commercial Real Estate Nonresidential [Member] | 30-59 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	1,513	2,549
Commercial [Member] | Commercial Real Estate Nonresidential [Member] | 60-89 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	125	395
Commercial [Member] | Commercial Real Estate Nonresidential [Member] | 90+ Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	1,447	2,611
Commercial [Member] | Commercial Real Estate Nonresidential [Member] | Current [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	747,413	756,794
Commercial [Member] | Dealer Floorplans [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	75,443	77,533
Commercial [Member] | Dealer Floorplans [Member] | Total Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	0	0
Commercial [Member] | Dealer Floorplans [Member] | 30-59 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	0	0
Commercial [Member] | Dealer Floorplans [Member] | 60-89 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	0	0
Commercial [Member] | Dealer Floorplans [Member] | 90+ Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	0	0
Commercial [Member] | Dealer Floorplans [Member] | Current [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	75,443	77,533
Commercial [Member] | Commercial Other [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	316,955	312,422
Commercial [Member] | Commercial Other [Member] | Total Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	2,977	2,375
Commercial [Member] | Commercial Other [Member] | 30-59 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	1,183	1,029
Commercial [Member] | Commercial Other [Member] | 60-89 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	473	850
Commercial [Member] | Commercial Other [Member] | 90+ Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	1,321	496
Commercial [Member] | Commercial Other [Member] | Current [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	313,978	310,047
Residential [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	970,531	945,536
Residential [Member] | Total Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	11,808	12,908
Residential [Member] | 30-59 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	2,633	1,655
Residential [Member] | 60-89 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	2,339	3,446
Residential [Member] | 90+ Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	6,836	7,807
Residential [Member] | Current [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	958,723	932,628
Residential [Member] | Real Estate Mortgage [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	846,435	824,996
Residential [Member] | Real Estate Mortgage [Member] | Total Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	10,337	11,338
Residential [Member] | Real Estate Mortgage [Member] | 30-59 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	1,872	869
Residential [Member] | Real Estate Mortgage [Member] | 60-89 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	2,246	3,402
Residential [Member] | Real Estate Mortgage [Member] | 90+ Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	6,219	7,067
Residential [Member] | Real Estate Mortgage [Member] | Current [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	836,098	813,658
Residential [Member] | Home Equity Lines [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	124,096	120,540
Residential [Member] | Home Equity Lines [Member] | Total Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	1,471	1,570
Residential [Member] | Home Equity Lines [Member] | 30-59 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	761	786
Residential [Member] | Home Equity Lines [Member] | 60-89 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	93	44
Residential [Member] | Home Equity Lines [Member] | 90+ Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	617	740
Residential [Member] | Home Equity Lines [Member] | Current [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	122,625	118,970
Consumer [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	929,728	894,896
Consumer [Member] | Total Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	3,056	6,358
Consumer [Member] | 30-59 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	2,290	4,962
Consumer [Member] | 60-89 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	606	890
Consumer [Member] | 90+ Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	160	506
Consumer [Member] | Current [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	926,672	888,538
Consumer [Member] | Consumer Direct [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	157,158	157,504
Consumer [Member] | Consumer Direct [Member] | Total Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	325	722
Consumer [Member] | Consumer Direct [Member] | 30-59 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	284	555
Consumer [Member] | Consumer Direct [Member] | 60-89 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	13	126
Consumer [Member] | Consumer Direct [Member] | 90+ Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	28	41
Consumer [Member] | Consumer Direct [Member] | Current [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	156,833	156,782
Consumer [Member] | Consumer Indirect [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	772,570	737,392
Consumer [Member] | Consumer Indirect [Member] | Total Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	2,731	5,636
Consumer [Member] | Consumer Indirect [Member] | 30-59 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	2,006	4,407
Consumer [Member] | Consumer Indirect [Member] | 60-89 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	593	764
Consumer [Member] | Consumer Indirect [Member] | 90+ Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	132	465
Consumer [Member] | Consumer Indirect [Member] | Current [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Loans and lease financing	$ 769,839	$ 731,756