Loans (Loans By Risk Category) (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases, net of deferred fees and costs (b)	$ 3,372,199	$ 3,402,940
Financing Receivable, Originated in Current Fiscal Year	686,823
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	689,069
Financing Receivable, Originated Two Years before Latest Fiscal Year	461,050
Financing Receivable, Originated Three Years before Latest Fiscal Year	281,245
Financing Receivable, Originated Four Years before Latest Fiscal Year	240,204
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	868,499
Financing Receivable, Revolving	145,309
Financing Receivable, Revolving, Converted to Term Loan	24,426
Mortgage Loans in Process of Foreclosure, Amount	1,300
Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases, net of deferred fees and costs (b)	100,599	106,792
Financing Receivable, Originated in Current Fiscal Year	23,080
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	38,402
Financing Receivable, Originated Two Years before Latest Fiscal Year	34,630
Financing Receivable, Originated Three Years before Latest Fiscal Year	988
Financing Receivable, Originated Four Years before Latest Fiscal Year	828
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	2,513
Financing Receivable, Revolving	158
Financing Receivable, Revolving, Converted to Term Loan	2,673
Commercial real estate, other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases, net of deferred fees and costs (b)	948,260
Financing Receivable, Originated in Current Fiscal Year	65,033
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	142,812
Financing Receivable, Originated Two Years before Latest Fiscal Year	162,506
Financing Receivable, Originated Three Years before Latest Fiscal Year	96,826
Financing Receivable, Originated Four Years before Latest Fiscal Year	127,624
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	338,870
Financing Receivable, Revolving	14,589
Financing Receivable, Revolving, Converted to Term Loan	1,276
Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases, net of deferred fees and costs (b)	805,751	973,645
Financing Receivable, Originated in Current Fiscal Year	221,787
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	147,785
Financing Receivable, Originated Two Years before Latest Fiscal Year	91,780
Financing Receivable, Originated Three Years before Latest Fiscal Year	72,480
Financing Receivable, Originated Four Years before Latest Fiscal Year	34,508
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	106,889
Financing Receivable, Revolving	130,522
Financing Receivable, Revolving, Converted to Term Loan	17,301
Premium finance
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases, net of deferred fees and costs (b)	117,088	114,758
Financing Receivable, Originated in Current Fiscal Year	95,511
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	21,574
Financing Receivable, Originated Two Years before Latest Fiscal Year	3
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financing Receivable, Revolving, Converted to Term Loan	0
Residential Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases, net of deferred fees and costs (b)	566,597
Financing Receivable, Originated in Current Fiscal Year	74,948
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	49,625
Financing Receivable, Originated Two Years before Latest Fiscal Year	40,159
Financing Receivable, Originated Three Years before Latest Fiscal Year	21,960
Financing Receivable, Originated Four Years before Latest Fiscal Year	28,634
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	351,271
Financing Receivable, Revolving	0
Financing Receivable, Revolving, Converted to Term Loan	0
Home equity lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases, net of deferred fees and costs (b)	118,401	120,913
Financing Receivable, Originated in Current Fiscal Year	12,264
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	19,065
Financing Receivable, Originated Two Years before Latest Fiscal Year	13,607
Financing Receivable, Originated Three Years before Latest Fiscal Year	12,138
Financing Receivable, Originated Four Years before Latest Fiscal Year	12,329
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	48,958
Financing Receivable, Revolving	40
Financing Receivable, Revolving, Converted to Term Loan	3,176
Consumer, indirect
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases, net of deferred fees and costs (b)	537,926	503,527
Financing Receivable, Originated in Current Fiscal Year	139,845
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	205,542
Financing Receivable, Originated Two Years before Latest Fiscal Year	83,362
Financing Receivable, Originated Three Years before Latest Fiscal Year	61,699
Financing Receivable, Originated Four Years before Latest Fiscal Year	32,046
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	15,432
Financing Receivable, Revolving	0
Financing Receivable, Revolving, Converted to Term Loan	0
Consumer, direct
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases, net of deferred fees and costs (b)	81,436	79,094
Financing Receivable, Originated in Current Fiscal Year	22,265
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	28,186
Financing Receivable, Originated Two Years before Latest Fiscal Year	13,957
Financing Receivable, Originated Three Years before Latest Fiscal Year	9,057
Financing Receivable, Originated Four Years before Latest Fiscal Year	3,505
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	4,466
Financing Receivable, Revolving	0
Financing Receivable, Revolving, Converted to Term Loan	0
Deposit account overdrafts
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases, net of deferred fees and costs (b)	498	351
Financing Receivable, Originated in Current Fiscal Year	498
Finance Leases Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases, net of deferred fees and costs (b)	95,643	$ 0
Financing Receivable, Originated in Current Fiscal Year	31,592
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	36,078
Financing Receivable, Originated Two Years before Latest Fiscal Year	21,046
Financing Receivable, Originated Three Years before Latest Fiscal Year	6,097
Financing Receivable, Originated Four Years before Latest Fiscal Year	730
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	100
Financing Receivable, Revolving	0
Financing Receivable, Revolving, Converted to Term Loan	0
Pass [Member] | Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases, net of deferred fees and costs (b)	98,411
Financing Receivable, Originated in Current Fiscal Year	23,080
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	38,402
Financing Receivable, Originated Two Years before Latest Fiscal Year	34,630
Financing Receivable, Originated Three Years before Latest Fiscal Year	174
Financing Receivable, Originated Four Years before Latest Fiscal Year	659
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,308
Financing Receivable, Revolving	158
Financing Receivable, Revolving, Converted to Term Loan	2,673
Pass [Member] | Commercial real estate, other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases, net of deferred fees and costs (b)	887,928
Financing Receivable, Originated in Current Fiscal Year	65,033
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	142,574
Financing Receivable, Originated Two Years before Latest Fiscal Year	155,870
Financing Receivable, Originated Three Years before Latest Fiscal Year	96,168
Financing Receivable, Originated Four Years before Latest Fiscal Year	120,622
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	293,473
Financing Receivable, Revolving	14,188
Financing Receivable, Revolving, Converted to Term Loan	1,179
Pass [Member] | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases, net of deferred fees and costs (b)	770,595
Financing Receivable, Originated in Current Fiscal Year	221,601
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	144,522
Financing Receivable, Originated Two Years before Latest Fiscal Year	87,868
Financing Receivable, Originated Three Years before Latest Fiscal Year	68,320
Financing Receivable, Originated Four Years before Latest Fiscal Year	32,283
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	100,174
Financing Receivable, Revolving	115,827
Financing Receivable, Revolving, Converted to Term Loan	15,989
Pass [Member] | Premium finance
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases, net of deferred fees and costs (b)	117,088
Financing Receivable, Originated in Current Fiscal Year	95,511
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	21,574
Financing Receivable, Originated Two Years before Latest Fiscal Year	3
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financing Receivable, Revolving, Converted to Term Loan	0
Pass [Member] | Residential Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases, net of deferred fees and costs (b)	552,519
Financing Receivable, Originated in Current Fiscal Year	74,948
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	49,625
Financing Receivable, Originated Two Years before Latest Fiscal Year	40,159
Financing Receivable, Originated Three Years before Latest Fiscal Year	21,960
Financing Receivable, Originated Four Years before Latest Fiscal Year	28,634
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	337,193
Financing Receivable, Revolving	0
Financing Receivable, Revolving, Converted to Term Loan	0
Pass [Member] | Home equity lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases, net of deferred fees and costs (b)	118,401
Financing Receivable, Originated in Current Fiscal Year	12,264
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	19,065
Financing Receivable, Originated Two Years before Latest Fiscal Year	13,607
Financing Receivable, Originated Three Years before Latest Fiscal Year	12,138
Financing Receivable, Originated Four Years before Latest Fiscal Year	12,329
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	48,958
Financing Receivable, Revolving	40
Financing Receivable, Revolving, Converted to Term Loan	3,176
Pass [Member] | Consumer, indirect
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases, net of deferred fees and costs (b)	537,926
Financing Receivable, Originated in Current Fiscal Year	139,845
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	205,542
Financing Receivable, Originated Two Years before Latest Fiscal Year	83,362
Financing Receivable, Originated Three Years before Latest Fiscal Year	61,699
Financing Receivable, Originated Four Years before Latest Fiscal Year	32,046
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	15,432
Financing Receivable, Revolving	0
Financing Receivable, Revolving, Converted to Term Loan	0
Pass [Member] | Consumer, direct
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases, net of deferred fees and costs (b)	81,436
Financing Receivable, Originated in Current Fiscal Year	22,265
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	28,186
Financing Receivable, Originated Two Years before Latest Fiscal Year	13,957
Financing Receivable, Originated Three Years before Latest Fiscal Year	9,057
Financing Receivable, Originated Four Years before Latest Fiscal Year	3,505
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	4,466
Financing Receivable, Revolving	0
Financing Receivable, Revolving, Converted to Term Loan	0
Pass [Member] | Finance Leases Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases, net of deferred fees and costs (b)	93,594
Financing Receivable, Originated in Current Fiscal Year	31,474
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	35,759
Financing Receivable, Originated Two Years before Latest Fiscal Year	20,089
Financing Receivable, Originated Three Years before Latest Fiscal Year	5,462
Financing Receivable, Originated Four Years before Latest Fiscal Year	710
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	100
Financing Receivable, Revolving	0
Financing Receivable, Revolving, Converted to Term Loan	0
Special Mention [Member] | Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases, net of deferred fees and costs (b)	873
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	733
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	140
Financing Receivable, Revolving	0
Financing Receivable, Revolving, Converted to Term Loan	0
Special Mention [Member] | Commercial real estate, other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases, net of deferred fees and costs (b)	26,294
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	238
Financing Receivable, Originated Two Years before Latest Fiscal Year	2,760
Financing Receivable, Originated Three Years before Latest Fiscal Year	326
Financing Receivable, Originated Four Years before Latest Fiscal Year	4,631
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	18,339
Financing Receivable, Revolving	0
Financing Receivable, Revolving, Converted to Term Loan	52
Special Mention [Member] | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases, net of deferred fees and costs (b)	16,942
Financing Receivable, Originated in Current Fiscal Year	66
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,289
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,891
Financing Receivable, Originated Three Years before Latest Fiscal Year	3,289
Financing Receivable, Originated Four Years before Latest Fiscal Year	165
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	992
Financing Receivable, Revolving	9,250
Financing Receivable, Revolving, Converted to Term Loan	11
Special Mention [Member] | Finance Leases Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases, net of deferred fees and costs (b)	528
Financing Receivable, Originated in Current Fiscal Year	118
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	161
Financing Receivable, Originated Two Years before Latest Fiscal Year	232
Financing Receivable, Originated Three Years before Latest Fiscal Year	16
Financing Receivable, Originated Four Years before Latest Fiscal Year	1
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financing Receivable, Revolving, Converted to Term Loan	0
Substandard [Member] | Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases, net of deferred fees and costs (b)	1,315
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	81
Financing Receivable, Originated Four Years before Latest Fiscal Year	169
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,065
Financing Receivable, Revolving	0
Financing Receivable, Revolving, Converted to Term Loan	0
Substandard [Member] | Commercial real estate, other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases, net of deferred fees and costs (b)	33,967
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	3,876
Financing Receivable, Originated Three Years before Latest Fiscal Year	332
Financing Receivable, Originated Four Years before Latest Fiscal Year	2,371
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	26,987
Financing Receivable, Revolving	401
Financing Receivable, Revolving, Converted to Term Loan	45
Substandard [Member] | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases, net of deferred fees and costs (b)	16,540
Financing Receivable, Originated in Current Fiscal Year	96
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,974
Financing Receivable, Originated Two Years before Latest Fiscal Year	2,021
Financing Receivable, Originated Three Years before Latest Fiscal Year	871
Financing Receivable, Originated Four Years before Latest Fiscal Year	2,060
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	4,073
Financing Receivable, Revolving	5,445
Financing Receivable, Revolving, Converted to Term Loan	1,114
Substandard [Member] | Residential Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases, net of deferred fees and costs (b)	13,959
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	13,959
Financing Receivable, Revolving	0
Financing Receivable, Revolving, Converted to Term Loan	0
Substandard [Member] | Finance Leases Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases, net of deferred fees and costs (b)	1,521
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	158
Financing Receivable, Originated Two Years before Latest Fiscal Year	725
Financing Receivable, Originated Three Years before Latest Fiscal Year	619
Financing Receivable, Originated Four Years before Latest Fiscal Year	19
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financing Receivable, Revolving, Converted to Term Loan	0
Doubtful [Member] | Commercial real estate, other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases, net of deferred fees and costs (b)	71
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	71
Financing Receivable, Revolving	0
Financing Receivable, Revolving, Converted to Term Loan	0
Doubtful [Member] | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases, net of deferred fees and costs (b)	1,650
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,650
Financing Receivable, Revolving	0
Financing Receivable, Revolving, Converted to Term Loan	187
Loss | Residential Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases, net of deferred fees and costs (b)	119
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	119
Financing Receivable, Revolving	0
Financing Receivable, Revolving, Converted to Term Loan	0
Originated Loans | Deposit account overdrafts
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases, net of deferred fees and costs (b)	$ 498