Allowance For Loan Losses (Schedule Of Allowance For Loan Loss By Portfolio Segment) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan loss, Beginning balance	$ 15,966	$ 18,836
Allowance for loan loss, Charge-offs	(1,229)	(1,433)
Allowance for loan loss, Recoveries	758	797
Allowance for loan loss, Provision	(849)	181
Allowance for loan loss, Ending balance	14,646	18,381
Allowance for loan loss, Evaluated for impairment, Individually	503		$ 428
Allowance for loan loss, Evaluated for impairment, Collectively	14,083		15,478
Allowance for loan loss, Total	14,646		15,966
Loans, Evaluated for impairment, Individually	9,971		10,506
Loans, Evaluated for impairment, Collectively	3,534,705		3,561,834
Total	3,559,322		3,587,608
Receivables Acquired with Deteriorated Credit Quality [Domain]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Acquired with deteriorated credit quality	60		60
Carrying value of purchased credit-impaired loans acquired	14,646		15,268
Commercial and industrial
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan loss, Beginning balance	4,060	4,571
Allowance for loan loss, Charge-offs	0	(339)
Allowance for loan loss, Recoveries	135	2
Allowance for loan loss, Provision	(1,225)	529
Allowance for loan loss, Ending balance	2,970	4,763
Allowance for loan loss, Evaluated for impairment, Individually	0		0
Allowance for loan loss, Evaluated for impairment, Collectively	2,969		4,059
Allowance for loan loss, Total	2,970		4,060
Loans, Evaluated for impairment, Individually	617		651
Loans, Evaluated for impairment, Collectively	287,172		284,018
Total	289,327		286,314
Commercial and industrial \| Receivables Acquired with Deteriorated Credit Quality [Domain]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Acquired with deteriorated credit quality	1		1
Carrying value of purchased credit-impaired loans acquired	1,538		1,645
Commercial real estate
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan loss, Beginning balance	4,495	6,183
Allowance for loan loss, Charge-offs	(45)	(157)
Allowance for loan loss, Recoveries	32	223
Allowance for loan loss, Provision	158	(480)
Allowance for loan loss, Ending balance	4,640	5,769
Allowance for loan loss, Evaluated for impairment, Individually	503		428
Allowance for loan loss, Evaluated for impairment, Collectively	4,085		4,015
Allowance for loan loss, Total	4,640		4,495
Loans, Evaluated for impairment, Individually	9,354		9,855
Loans, Evaluated for impairment, Collectively	1,415,938		1,433,674
Total	1,436,190		1,454,942
Commercial real estate \| Receivables Acquired with Deteriorated Credit Quality [Domain]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Acquired with deteriorated credit quality	52		52
Carrying value of purchased credit-impaired loans acquired	10,898		11,413
Residential real estate
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan loss, Beginning balance	4,116	5,212
Allowance for loan loss, Charge-offs	(328)	(131)
Allowance for loan loss, Recoveries	75	106
Allowance for loan loss, Provision	(43)	(244)
Allowance for loan loss, Ending balance	3,820	4,943
Allowance for loan loss, Evaluated for impairment, Individually	0		0
Allowance for loan loss, Evaluated for impairment, Collectively	3,820		4,116
Allowance for loan loss, Total	3,820		4,116
Loans, Evaluated for impairment, Individually	0		0
Loans, Evaluated for impairment, Collectively	1,623,550		1,633,241
Total	1,625,647		1,635,338
Residential real estate \| Receivables Acquired with Deteriorated Credit Quality [Domain]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Acquired with deteriorated credit quality	0		0
Carrying value of purchased credit-impaired loans acquired	2,097		2,097
Home equity
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan loss, Beginning balance	1,268	1,138
Allowance for loan loss, Charge-offs	(46)	(71)
Allowance for loan loss, Recoveries	0	0
Allowance for loan loss, Provision	26	133
Allowance for loan loss, Ending balance	1,248	1,200
Allowance for loan loss, Evaluated for impairment, Individually	0		0
Allowance for loan loss, Evaluated for impairment, Collectively	1,248		1,268
Allowance for loan loss, Total	1,248		1,268
Loans, Evaluated for impairment, Individually	0		0
Loans, Evaluated for impairment, Collectively	152,251		153,496
Total	152,251		153,496
Home equity \| Receivables Acquired with Deteriorated Credit Quality [Domain]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Acquired with deteriorated credit quality	0		0
Carrying value of purchased credit-impaired loans acquired	0		0
Consumer
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan loss, Beginning balance	319	62
Allowance for loan loss, Charge-offs	(185)	(99)
Allowance for loan loss, Recoveries	97	46
Allowance for loan loss, Provision	237	203
Allowance for loan loss, Ending balance	468	212
Allowance for loan loss, Evaluated for impairment, Individually	0		0
Allowance for loan loss, Evaluated for impairment, Collectively	461		312
Allowance for loan loss, Total	468		319
Loans, Evaluated for impairment, Individually	0		0
Loans, Evaluated for impairment, Collectively	52,370		51,077
Total	52,483		51,190
Consumer \| Receivables Acquired with Deteriorated Credit Quality [Domain]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Acquired with deteriorated credit quality	7		7
Carrying value of purchased credit-impaired loans acquired	113		113
DDA overdrafts
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan loss, Beginning balance	1,708	1,670
Allowance for loan loss, Charge-offs	(625)	(636)
Allowance for loan loss, Recoveries	419	420
Allowance for loan loss, Provision	(2)	40
Allowance for loan loss, Ending balance	1,500	$ 1,494
Allowance for loan loss, Evaluated for impairment, Individually	0		0
Allowance for loan loss, Evaluated for impairment, Collectively	1,500		1,708
Allowance for loan loss, Total	1,500		1,708
Loans, Evaluated for impairment, Individually	0		0
Loans, Evaluated for impairment, Collectively	3,424		6,328
Total	3,424		6,328
DDA overdrafts \| Receivables Acquired with Deteriorated Credit Quality [Domain]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Acquired with deteriorated credit quality	0		0
Carrying value of purchased credit-impaired loans acquired	$ 0		$ 0

Reserve for loans impairments recorded after acquisition as a result of current information and events which result in it being probable that estimated cash flows will be less than previously expected or because actual cash flows are less than cash flows previously expected. This relates to loans not accounted for as debt securities, with evidence of deterioration of credit quality since origination that was acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.

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- Definition

The recorded balance, net of any applicable reductions (for example, unamortized accretable yield and allowance for loan losses). This relates to loans not accounted for debt securities with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.

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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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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 of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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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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