Loans (Changes In The Allowance For Loan Losses) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	$ 28,525	$ 27,500	$ 27,085	$ 27,637
Charge-offs	(2,500)	(2,916)	(8,059)	(9,871)
Recoveries	1,364	1,117	4,043	3,906
Provision (credit)	1,961	754	6,281	4,783
Ending balance	29,350	26,455	29,350	26,455
Allowance for loan losses, Individually Evaluated for impairment	558	1,084	558	1,084
Allowance for loan losses, Collectively Evaluated for impairment	28,792	25,371	28,792	25,371
Loans, Ending balance	2,249,627	2,005,425	2,249,627	2,005,425	$ 2,052,600
Loans, Individually Evaluated for impairment	3,415	4,866	3,415	4,866
Loans, Collectively Evaluated for impairment	2,246,212	2,000,559	2,246,212	2,000,559
Commercial Business [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	6,197	5,334	5,540	5,621
Charge-offs	(44)	(106)	(688)	(1,260)
Recoveries	75	38	244	172
Provision (credit)	296	15	1,428	748
Ending balance	6,524	5,281	6,524	5,281
Allowance for loan losses, Individually Evaluated for impairment	436	806	436	806
Allowance for loan losses, Collectively Evaluated for impairment	6,088	4,475	6,088	4,475
Loans, Ending balance	350,181	297,640	350,181	297,640	313,475
Loans, Individually Evaluated for impairment	2,081	3,064	2,081	3,064
Loans, Collectively Evaluated for impairment	348,100	294,576	348,100	294,576
Commercial Mortgage [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	9,496	9,358	9,027	8,122
Charge-offs	(156)	(56)	(168)	(866)
Recoveries	29	44	40	140
Provision (credit)	341	(458)	811	1,492
Ending balance	9,710	8,888	9,710	8,888
Allowance for loan losses, Individually Evaluated for impairment	122	278	122	278
Allowance for loan losses, Collectively Evaluated for impairment	9,588	8,610	9,588	8,610
Loans, Ending balance	637,799	549,911	637,799	549,911	567,481
Loans, Individually Evaluated for impairment	1,334	1,802	1,334	1,802
Loans, Collectively Evaluated for impairment	636,465	548,109	636,465	548,109
Residential Real Estate Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	1,444	465	1,347	570
Charge-offs	(78)	(37)	(258)	(114)
Recoveries	17	34	142	80
Provision (credit)	45	(6)	197	(80)
Ending balance	1,428	456	1,428	456
Allowance for loan losses, Collectively Evaluated for impairment	1,428	456	1,428	456
Loans, Ending balance	419,547	96,298	419,547	96,298	376,023
Loans, Collectively Evaluated for impairment	419,547	96,298	419,547	96,298
Residential Real Estate Lines [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	318	1,198	345	1,485
Charge-offs	(8)	(98)	(59)	(336)
Recoveries	4	34	11	53
Provision (credit)	1	43	18	(25)
Ending balance	315	1,177	315	1,177
Allowance for loan losses, Collectively Evaluated for impairment	315	1,177	315	1,177
Loans, Ending balance	120,901	401,103	120,901	401,103	124,766
Loans, Collectively Evaluated for impairment	120,901	401,103	120,901	401,103
Consumer Indirect [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	10,696	10,676	10,458	11,383
Charge-offs	(2,056)	(2,380)	(6,452)	(6,643)
Recoveries	1,160	905	3,324	3,206
Provision (credit)	1,241	1,063	3,711	2,318
Ending balance	11,041	10,264	11,041	10,264
Allowance for loan losses, Collectively Evaluated for impairment	11,041	10,264	11,041	10,264
Loans, Ending balance	703,499	641,453	703,499	641,453	652,494
Loans, Collectively Evaluated for impairment	703,499	641,453	703,499	641,453
Other Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	374	469	368	456
Charge-offs	(158)	(239)	(434)	(652)
Recoveries	79	62	282	255
Provision (credit)	37	97	116	330
Ending balance	332	389	332	389
Allowance for loan losses, Collectively Evaluated for impairment	332	389	332	389
Loans, Ending balance	17,700	19,020	17,700	19,020	$ 18,361
Loans, Collectively Evaluated for impairment	$ 17,700	$ 19,020	$ 17,700	$ 19,020

A valuation allowance for financing receivables that are expected to be uncollectible.

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The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

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Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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Amount of recovery of financing receivables doubtful of collection that were previously charged off.

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Amount of direct write-downs of financing receivables charged against the allowance.

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The balance of financing receivables that were collectively evaluated for impairment.

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The balance of financing receivables that were individually evaluated for impairment.

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Amount representing an agreement for an unconditional promise by the maker to pay the entity (holder) a definite sum of money at a future date. Such amount may include accrued interest receivable in accordance with the terms of the note. The note also may contain provisions and related items including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among a myriad of other features and characteristics. Excludes amounts related to receivables held-for-sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.10(3))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 225
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.11)
-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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-Paragraph 28
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-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

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