Loans, Loan Portfolio Aging Analysis, Segregated by Class (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Dec. 31, 2020
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	$ 3,448,493	$ 3,554,211
Total Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	28,862	37,261
30-59 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	7,749	8,491
60-89 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	4,195	5,415
90+ Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	16,918	23,355
Current [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	3,419,631	3,516,950
Commercial [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	1,821,729	1,893,527
Commercial [Member] | Total Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	13,573	18,243
Commercial [Member] | 30-59 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	3,454	2,579
Commercial [Member] | 60-89 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	367	549
Commercial [Member] | 90+ Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	9,752	15,115
Commercial [Member] | Current [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	1,808,156	1,875,284
Commercial [Member] | Hotel/Motel [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	$ 261,422	260,699
Percentage of total loan	7.60%
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	261,422	260,699
Commercial [Member] | Commercial Real Estate Residential [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	309,627	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	2,532	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	580	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	79	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	1,873	5,577
Commercial [Member] | Commercial Real Estate Residential [Member] | Current [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	307,095	281,216
Commercial [Member] | Commercial Real Estate Nonresidential [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	718,338	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	10,027	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	2,442	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	136	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	7,449	8,703
Commercial [Member] | Commercial Real Estate Nonresidential [Member] | Current [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	708,311	733,336
Commercial [Member] | Dealer Floorplans [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	67,466	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	67,466	69,087
Commercial [Member] | Commercial Other [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	288,893	279,908
Commercial [Member] | Commercial Other [Member] | Total Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	1,014	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	432	658
Commercial [Member] | Commercial Other [Member] | 60-89 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	152	136
Commercial [Member] | Commercial Other [Member] | 90+ Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	430	835
Commercial [Member] | Commercial Other [Member] | Current [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	287,879	278,279
Commercial [Member] | Commercial Unsecured SBA PPP [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	175,983	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	175,983	252,667
Residential [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	865,200	888,329
Residential [Member] | Total Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	12,117	13,915
Residential [Member] | 30-59 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	1,622	2,293
Residential [Member] | 60-89 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	3,438	3,806
Residential [Member] | 90+ Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	7,057	7,816
Residential [Member] | Current [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	853,083	874,414
Residential [Member] | Real Estate Mortgage [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	762,649	784,559
Residential [Member] | Real Estate Mortgage [Member] | Total Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	10,824	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	1,326	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	3,387	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	6,111	6,897
Residential [Member] | Real Estate Mortgage [Member] | Current [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	751,825	772,377
Residential [Member] | Home Equity Lines [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	102,551	103,770
Residential [Member] | Home Equity Lines [Member] | Total Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	1,293	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	296	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	51	305
Residential [Member] | Home Equity Lines [Member] | 90+ Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	946	919
Residential [Member] | Home Equity Lines [Member] | Current [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	101,258	102,037
Consumer [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	761,564	772,355
Consumer [Member] | Total Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	3,172	5,103
Consumer [Member] | 30-59 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	2,673	3,619
Consumer [Member] | 60-89 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	390	1,060
Consumer [Member] | 90+ Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	109	424
Consumer [Member] | Current [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	758,392	767,252
Consumer [Member] | Consumer Direct [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	151,539	152,304
Consumer [Member] | Consumer Direct [Member] | Total Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	548	817
Consumer [Member] | Consumer Direct [Member] | 30-59 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	421	659
Consumer [Member] | Consumer Direct [Member] | 60-89 Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	60	87
Consumer [Member] | Consumer Direct [Member] | 90+ Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	67	71
Consumer [Member] | Consumer Direct [Member] | Current [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	150,991	151,487
Consumer [Member] | Consumer Indirect [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	610,025	620,051
Consumer [Member] | Consumer Indirect [Member] | Total Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	2,624	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	2,252	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	330	973
Consumer [Member] | Consumer Indirect [Member] | 90+ Days Past Due [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	42	353
Consumer [Member] | Consumer Indirect [Member] | Current [Member]
Bank's Loan portfolio aging analysis, segregated by class [Abstract]
Total loans	$ 607,401	$ 615,765