Loans (Aging Of The Recorded Investment In Past Due Loans And Leases) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	$ 2,327,035	$ 2,224,936
Total loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	27,454	45,445
Current Loans	2,299,581	2,179,491
Total Loans	2,327,035	2,224,936
Originated Loan | Commercial real estate, construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	0	826
Current Loans	111,187	83,800
Total Loans	111,187	84,626
Originated Loan | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	8,495	10,950
Current Loans	564,761	520,607
Total Loans	573,256	531,557
Originated Loan | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	8,495	11,776
Current Loans	675,948	604,407
Total Loans	684,443	616,183
Originated Loan | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	2,843	3,470
Current Loans	404,625	374,661
Total Loans	407,468	378,131
Originated Loan | Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	5,221	10,202
Current Loans	298,873	297,288
Total Loans	304,094	307,490
Originated Loan | Home equity lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	675	609
Current Loans	87,746	85,008
Total Loans	88,421	85,617
Originated Loan | Consumer, indirect
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	2,122	2,430
Current Loans	333,314	249,594
Total Loans	335,436	252,024
Originated Loan | Consumer, other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	2,383	2,814
Current Loans	401,339	316,789
Total Loans	403,722	319,603
Originated Loan | Consumer, other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	261	384
Current Loans	68,025	67,195
Total Loans	68,286	67,579
Originated Loan | Deposit account overdrafts
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	0	0
Current Loans	507	1,080
Total Loans	507	1,080
Originated Loan | Total loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	19,617	28,871
Current Loans	1,869,038	1,679,233
Total Loans	1,888,655	1,708,104
Acquired Loans | Commercial real estate, construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	0	40
Current Loans	8,565	10,060
Total Loans	8,565	10,100
Acquired Loans | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	1,809	3,699
Current Loans	172,348	200,767
Total Loans	174,157	204,466
Acquired Loans | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	1,809	3,739
Current Loans	180,913	210,827
Total Loans	182,722	214,566
Acquired Loans | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	504	928
Current Loans	35,958	43,280
Total Loans	36,462	44,208
Acquired Loans | Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	5,075	11,388
Current Loans	189,875	217,047
Total Loans	194,950	228,435
Acquired Loans | Home equity lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	392	451
Current Loans	21,974	25,424
Total Loans	22,366	25,875
Acquired Loans | Consumer, indirect
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	2	4
Current Loans	406	804
Total Loans	408	808
Acquired Loans | Consumer, other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	57	68
Current Loans	1,823	3,680
Total Loans	1,880	3,748
Acquired Loans | Consumer, other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	55	64
Current Loans	1,417	2,876
Total Loans	1,472	2,940
Acquired Loans | Total loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	7,837	16,574
Current Loans	430,543	500,258
Total Loans	438,380	516,832
30 - 59 days | Total loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	9,482	20,304
30 - 59 days | Originated Loan | Commercial real estate, construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	0	0
30 - 59 days | Originated Loan | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	1,693	1,420
30 - 59 days | Originated Loan | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	1,693	1,420
30 - 59 days | Originated Loan | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	1,292	1,305
30 - 59 days | Originated Loan | Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	2,076	7,288
30 - 59 days | Originated Loan | Home equity lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	346	316
30 - 59 days | Originated Loan | Consumer, indirect
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	1,731	2,080
30 - 59 days | Originated Loan | Consumer, other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	1,889	2,426
30 - 59 days | Originated Loan | Consumer, other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	158	346
30 - 59 days | Originated Loan | Deposit account overdrafts
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	0	0
30 - 59 days | Originated Loan | Total loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	7,296	12,755
30 - 59 days | Acquired Loans | Commercial real estate, construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	0	0
30 - 59 days | Acquired Loans | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	544	1,220
30 - 59 days | Acquired Loans | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	544	1,220
30 - 59 days | Acquired Loans | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	17	148
30 - 59 days | Acquired Loans | Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	1,498	5,918
30 - 59 days | Acquired Loans | Home equity lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	112	208
30 - 59 days | Acquired Loans | Consumer, indirect
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	2	4
30 - 59 days | Acquired Loans | Consumer, other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	15	55
30 - 59 days | Acquired Loans | Consumer, other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	13	51
30 - 59 days | Acquired Loans | Total loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	2,186	7,549
60 - 89 days | Total loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	3,742	5,072
60 - 89 days | Originated Loan | Commercial real estate, construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	0	0
60 - 89 days | Originated Loan | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	229	225
60 - 89 days | Originated Loan | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	229	225
60 - 89 days | Originated Loan | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	155	700
60 - 89 days | Originated Loan | Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	1,368	1,019
60 - 89 days | Originated Loan | Home equity lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	184	45
60 - 89 days | Originated Loan | Consumer, indirect
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	358	273
60 - 89 days | Originated Loan | Consumer, other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	447	311
60 - 89 days | Originated Loan | Consumer, other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	89	38
60 - 89 days | Originated Loan | Deposit account overdrafts
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	0	0
60 - 89 days | Originated Loan | Total loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	2,383	2,300
60 - 89 days | Acquired Loans | Commercial real estate, construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	0	0
60 - 89 days | Acquired Loans | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	176	208
60 - 89 days | Acquired Loans | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	176	208
60 - 89 days | Acquired Loans | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	24	3
60 - 89 days | Acquired Loans | Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	1,141	2,496
60 - 89 days | Acquired Loans | Home equity lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	0	65
60 - 89 days | Acquired Loans | Consumer, indirect
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	0	0
60 - 89 days | Acquired Loans | Consumer, other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	18	0
60 - 89 days | Acquired Loans | Consumer, other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	18	0
60 - 89 days | Acquired Loans | Total loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	1,359	2,772
90 Days | Total loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	14,230	20,069
90 Days | Originated Loan | Commercial real estate, construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	0	826
90 Days | Originated Loan | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	6,573	9,305
90 Days | Originated Loan | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	6,573	10,131
90 Days | Originated Loan | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	1,396	1,465
90 Days | Originated Loan | Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	1,777	1,895
90 Days | Originated Loan | Home equity lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	145	248
90 Days | Originated Loan | Consumer, indirect
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	33	77
90 Days | Originated Loan | Consumer, other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	47	77
90 Days | Originated Loan | Consumer, other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	14	0
90 Days | Originated Loan | Deposit account overdrafts
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	0	0
90 Days | Originated Loan | Total loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	9,938	13,816
90 Days | Acquired Loans | Commercial real estate, construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	0	40
90 Days | Acquired Loans | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	1,089	2,271
90 Days | Acquired Loans | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	1,089	2,311
90 Days | Acquired Loans | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	463	777
90 Days | Acquired Loans | Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	2,436	2,974
90 Days | Acquired Loans | Home equity lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	280	178
90 Days | Acquired Loans | Consumer, indirect
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	0	0
90 Days | Acquired Loans | Consumer, other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	24	13
90 Days | Acquired Loans | Consumer, other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	24	13
90 Days | Acquired Loans | Total loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	$ 4,292	$ 6,253