Loans (Changes In The Allowance For Loan Losses) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	$ 33,914	$ 34,672
Charge-offs	(3,452)	(3,649)
Recoveries	1,672	1,622
Provision (credit)	1,193	2,949
Ending balance	33,327	35,594
Allowance for loan losses, Individually Evaluated for impairment	183	2,418
Allowance for loan losses, Collectively Evaluated for impairment	33,144	33,176
Loans, Ending balance	3,066,996	2,752,450	$ 3,044,320
Loans, Individually Evaluated for impairment	2,077	7,244
Loans, Collectively Evaluated for impairment	3,064,919	2,745,206
Commercial Business [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	14,312	15,668
Charge-offs	(130)	(105)
Recoveries	103	120
Provision (credit)	(2,118)	(741)
Ending balance	12,167	14,942
Allowance for loan losses, Individually Evaluated for impairment	181	1,699
Allowance for loan losses, Collectively Evaluated for impairment	11,986	13,243
Loans, Ending balance	552,834	463,526	557,040
Loans, Individually Evaluated for impairment	725	4,453
Loans, Collectively Evaluated for impairment	552,109	459,073
Commercial Mortgage [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	5,219	3,696
Charge-offs		(4)
Recoveries	17	7
Provision (credit)	1,080	1,774
Ending balance	6,316	5,473
Allowance for loan losses, Individually Evaluated for impairment	2	719
Allowance for loan losses, Collectively Evaluated for impairment	6,314	4,754
Loans, Ending balance	995,183	823,305	960,265
Loans, Individually Evaluated for impairment	1,352	2,791
Loans, Collectively Evaluated for impairment	993,831	820,514
Residential Real Estate Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	1,112	1,322
Charge-offs	(31)	(19)
Recoveries	6	69
Provision (credit)	178	28
Ending balance	1,265	1,400
Allowance for loan losses, Collectively Evaluated for impairment	1,265	1,400
Loans, Ending balance	525,036	470,111	514,981
Loans, Collectively Evaluated for impairment	525,036	470,111
Residential Real Estate Lines [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	210	180
Charge-offs		(94)
Recoveries	2	3
Provision (credit)	(39)	129
Ending balance	173	218
Allowance for loan losses, Collectively Evaluated for impairment	173	218
Loans, Ending balance	105,592	112,428	106,712
Loans, Collectively Evaluated for impairment	105,592	112,428
Consumer Indirect [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	12,572	13,415
Charge-offs	(2,982)	(2,994)
Recoveries	1,424	1,330
Provision (credit)	2,011	1,481
Ending balance	13,025	13,232
Allowance for loan losses, Collectively Evaluated for impairment	13,025	13,232
Loans, Ending balance	872,410	866,598	888,732
Loans, Collectively Evaluated for impairment	872,410	866,598
Other Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	489	391
Charge-offs	(309)	(433)
Recoveries	120	93
Provision (credit)	81	278
Ending balance	381	329
Allowance for loan losses, Collectively Evaluated for impairment	381	329
Loans, Ending balance	15,941	16,482	$ 16,590
Loans, Collectively Evaluated for impairment	$ 15,941	$ 16,482

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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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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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.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
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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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
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