Loans, Loan Portfolio Aging Analysis, Segregated by Class (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Dec. 31, 2020
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	$ 3,398,229	$ 3,554,211
Total Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	24,741	37,261
30-59 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	6,695	8,491
60-89 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	3,204	5,415
90+ Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	14,842	23,355
Current [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	3,373,488	3,516,950
Commercial [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	1,762,801	1,893,527
Commercial [Member] | Total Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	9,681	18,243
Commercial [Member] | 30-59 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	2,322	2,579
Commercial [Member] | 60-89 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	483	549
Commercial [Member] | 90+ Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	6,876	15,115
Commercial [Member] | Current [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	1,753,120	1,875,284
Commercial [Member] | Hotel/Motel [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	$ 252,951	260,699
Percentage of total loan	7.40%
Minimum threshold amount of loans requiring performance bond	$ 500
Commercial [Member] | Hotel/Motel [Member] | Total Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	0	0
Commercial [Member] | Hotel/Motel [Member] | 30-59 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	0	0
Commercial [Member] | Hotel/Motel [Member] | 60-89 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	0	0
Commercial [Member] | Hotel/Motel [Member] | 90+ Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	0	0
Commercial [Member] | Hotel/Motel [Member] | Current [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	252,951	260,699
Commercial [Member] | Commercial Real Estate Residential [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	330,660	287,928
Minimum threshold amount of loans requiring performance bond	500
Commercial [Member] | Commercial Real Estate Residential [Member] | Total Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	2,677	6,712
Commercial [Member] | Commercial Real Estate Residential [Member] | 30-59 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	1,037	722
Commercial [Member] | Commercial Real Estate Residential [Member] | 60-89 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	146	413
Commercial [Member] | Commercial Real Estate Residential [Member] | 90+ Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	1,494	5,577
Commercial [Member] | Commercial Real Estate Residential [Member] | Current [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	327,983	281,216
Commercial [Member] | Commercial Real Estate Nonresidential [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	732,442	743,238
Minimum threshold amount of loans requiring performance bond	500
Commercial [Member] | Commercial Real Estate Nonresidential [Member] | Total Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	6,127	9,902
Commercial [Member] | Commercial Real Estate Nonresidential [Member] | 30-59 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	741	1,199
Commercial [Member] | Commercial Real Estate Nonresidential [Member] | 60-89 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	294	0
Commercial [Member] | Commercial Real Estate Nonresidential [Member] | 90+ Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	5,092	8,703
Commercial [Member] | Commercial Real Estate Nonresidential [Member] | Current [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	726,315	733,336
Commercial [Member] | Dealer Floorplans [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	61,423	69,087
Commercial [Member] | Dealer Floorplans [Member] | Total Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	0	0
Commercial [Member] | Dealer Floorplans [Member] | 30-59 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	0	0
Commercial [Member] | Dealer Floorplans [Member] | 60-89 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	0	0
Commercial [Member] | Dealer Floorplans [Member] | 90+ Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	0	0
Commercial [Member] | Dealer Floorplans [Member] | Current [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	61,423	69,087
Commercial [Member] | Commercial Other [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	286,209	279,908
Commercial [Member] | Commercial Other [Member] | Total Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	877	1,629
Commercial [Member] | Commercial Other [Member] | 30-59 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	544	658
Commercial [Member] | Commercial Other [Member] | 60-89 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	43	136
Commercial [Member] | Commercial Other [Member] | 90+ Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	290	835
Commercial [Member] | Commercial Other [Member] | Current [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	285,332	278,279
Commercial [Member] | Commercial Unsecured SBA PPP [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	99,116	252,667
Commercial [Member] | Commercial Unsecured SBA PPP [Member] | Total Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	0	0
Commercial [Member] | Commercial Unsecured SBA PPP [Member] | 30-59 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	0	0
Commercial [Member] | Commercial Unsecured SBA PPP [Member] | 60-89 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	0	0
Commercial [Member] | Commercial Unsecured SBA PPP [Member] | 90+ Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	0	0
Commercial [Member] | Commercial Unsecured SBA PPP [Member] | Current [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	99,116	252,667
Residential [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	868,012	888,329
Residential [Member] | Total Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	11,629	13,915
Residential [Member] | 30-59 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	1,852	2,293
Residential [Member] | 60-89 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	2,130	3,806
Residential [Member] | 90+ Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	7,647	7,816
Residential [Member] | Current [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	856,383	874,414
Residential [Member] | Real Estate Mortgage [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	763,005	784,559
Residential [Member] | Real Estate Mortgage [Member] | Total Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	9,901	12,182
Residential [Member] | Real Estate Mortgage [Member] | 30-59 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	1,283	1,784
Residential [Member] | Real Estate Mortgage [Member] | 60-89 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	1,887	3,501
Residential [Member] | Real Estate Mortgage [Member] | 90+ Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	6,731	6,897
Residential [Member] | Real Estate Mortgage [Member] | Current [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	753,104	772,377
Residential [Member] | Home Equity Lines [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	105,007	103,770
Residential [Member] | Home Equity Lines [Member] | Total Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	1,728	1,733
Residential [Member] | Home Equity Lines [Member] | 30-59 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	569	509
Residential [Member] | Home Equity Lines [Member] | 60-89 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	243	305
Residential [Member] | Home Equity Lines [Member] | 90+ Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	916	919
Residential [Member] | Home Equity Lines [Member] | Current [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	103,279	102,037
Consumer [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	767,416	772,355
Consumer [Member] | Total Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	3,431	5,103
Consumer [Member] | 30-59 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	2,521	3,619
Consumer [Member] | 60-89 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	591	1,060
Consumer [Member] | 90+ Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	319	424
Consumer [Member] | Current [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	763,985	767,252
Consumer [Member] | Consumer Direct [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	155,022	152,304
Consumer [Member] | Consumer Direct [Member] | Total Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	598	817
Consumer [Member] | Consumer Direct [Member] | 30-59 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	393	659
Consumer [Member] | Consumer Direct [Member] | 60-89 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	91	87
Consumer [Member] | Consumer Direct [Member] | 90+ Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	114	71
Consumer [Member] | Consumer Direct [Member] | Current [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	154,424	151,487
Consumer [Member] | Consumer Indirect [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	612,394	620,051
Consumer [Member] | Consumer Indirect [Member] | Total Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	2,833	4,286
Consumer [Member] | Consumer Indirect [Member] | 30-59 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	2,128	2,960
Consumer [Member] | Consumer Indirect [Member] | 60-89 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	500	973
Consumer [Member] | Consumer Indirect [Member] | 90+ Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	205	353
Consumer [Member] | Consumer Indirect [Member] | Current [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	$ 609,561	$ 615,765