Loans (Changes In The Allowance For Loan Losses) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	$ 34,672	$ 30,934	$ 27,085
Charge-offs	(15,734)	(15,251)	(11,076)
Recoveries	6,042	5,628	5,287
Provision (credit)	8,934	13,361	9,638
Ending balance	33,914	34,672	30,934
Allowance for loan losses, Individually Evaluated for impairment	206	2,108	768
Allowance for loan losses, Collectively Evaluated for impairment	33,708	32,564	30,166
Loans, Ending balance	3,044,320	2,694,922	2,305,071
Loans, Individually Evaluated for impairment	3,078	8,174	2,987
Loans, Collectively Evaluated for impairment	3,041,242	2,686,748	2,302,084
Commercial Business [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	15,668	7,225	5,540
Charge-offs	(2,319)	(3,614)	(943)
Recoveries	509	416	447
Provision (credit)	454	11,641	2,181
Ending balance	14,312	15,668	7,225
Allowance for loan losses, Individually Evaluated for impairment	205	2,001	663
Allowance for loan losses, Collectively Evaluated for impairment	14,107	13,667	6,562
Loans, Ending balance	557,040	449,763	349,079
Loans, Individually Evaluated for impairment	1,044	5,322	2,052
Loans, Collectively Evaluated for impairment	555,996	444,441	347,027
Commercial Mortgage [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	3,696	10,315	9,027
Charge-offs	(1,020)	(10)	(385)
Recoveries	13	262	45
Provision (credit)	2,530	(6,871)	1,628
Ending balance	5,219	3,696	10,315
Allowance for loan losses, Individually Evaluated for impairment	1	107	105
Allowance for loan losses, Collectively Evaluated for impairment	5,218	3,589	10,210
Loans, Ending balance	960,265	810,851	671,552
Loans, Individually Evaluated for impairment	2,034	2,852	935
Loans, Collectively Evaluated for impairment	958,231	807,999	670,617
Residential Real Estate Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	1,322	1,478	1,347
Charge-offs	(95)	(431)	(289)
Recoveries	159	130	174
Provision (credit)	(274)	145	246
Ending balance	1,112	1,322	1,478
Allowance for loan losses, Collectively Evaluated for impairment	1,112	1,322	1,478
Loans, Ending balance	514,981	457,761	421,476
Loans, Collectively Evaluated for impairment	514,981	457,761	421,476
Residential Real Estate Lines [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	180	303	345
Charge-offs	(142)	(106)	(104)
Recoveries	20	60	15
Provision (credit)	152	(77)	47
Ending balance	210	180	303
Allowance for loan losses, Collectively Evaluated for impairment	210	180	303
Loans, Ending balance	106,712	113,422	119,745
Loans, Collectively Evaluated for impairment	106,712	113,422	119,745
Consumer Indirect [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	13,415	11,311	10,458
Charge-offs	(10,850)	(10,164)	(8,748)
Recoveries	5,024	4,444	4,259
Provision (credit)	4,983	7,824	5,342
Ending balance	12,572	13,415	11,311
Allowance for loan losses, Collectively Evaluated for impairment	12,572	13,415	11,311
Loans, Ending balance	888,732	845,682	725,754
Loans, Collectively Evaluated for impairment	888,732	845,682	725,754
Other Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	391	302	368
Charge-offs	(1,308)	(926)	(607)
Recoveries	317	316	347
Provision (credit)	1,089	699	194
Ending balance	489	391	302
Allowance for loan losses, Collectively Evaluated for impairment	489	391	302
Loans, Ending balance	16,590	17,443	17,465
Loans, Collectively Evaluated for impairment	$ 16,590	$ 17,443	$ 17,465

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 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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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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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
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