Allowance For Loan Losses (Schedule Of Allowance For Loan Loss By Portfolio Segment) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Allowance for Loan Losses [Roll Forward]
Beginning balance	$ 18,836	$ 19,730
Charge-offs	(5,473)	(5,934)
Recoveries	4,913	2,034
Provision	2,270	(2,845)
Provision for acquired loans with deteriorated credit quality	(40)	161
Ending balance	15,966	18,836
Allowance for loan loss, Evaluated for impairment, Individually	428	647
Allowance for loan loss, Evaluated for impairment, Collectively	15,478	17,858
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses	60	331
Allowance for loan loss, Total	15,966	18,836
Loans, Evaluated for impairment, Individually	10,506	9,667
Loans, Evaluated for impairment, Collectively	3,561,834	3,109,146
Gross loans	3,587,608	3,127,410
Commercial and industrial
Allowance for Loan Losses [Roll Forward]
Beginning balance	4,571	4,206
Charge-offs	(733)	(400)
Recoveries	2,152	58
Provision	1,930	(707)
Provision for acquired loans with deteriorated credit quality	0	0
Ending balance	4,060	4,571
Allowance for loan loss, Evaluated for impairment, Individually	0	0
Allowance for loan loss, Evaluated for impairment, Collectively	4,059	4,567
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses	1	4
Allowance for loan loss, Total	4,060	4,571
Loans, Evaluated for impairment, Individually	651	849
Loans, Evaluated for impairment, Collectively	284,018	207,429
Gross loans	286,314	208,484
Commercial real estate
Allowance for Loan Losses [Roll Forward]
Beginning balance	6,183	6,573
Charge-offs	(369)	(720)
Recoveries	732	112
Provision	2,011	(57)
Provision for acquired loans with deteriorated credit quality	(40)	161
Ending balance	4,495	6,183
Allowance for loan loss, Evaluated for impairment, Individually	428	647
Allowance for loan loss, Evaluated for impairment, Collectively	4,015	5,313
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses	52	223
Allowance for loan loss, Total	4,495	6,183
Loans, Evaluated for impairment, Individually	9,855	8,818
Loans, Evaluated for impairment, Collectively	1,412,023	1,263,076
Gross loans	1,433,291	1,277,576
Residential real estate
Allowance for Loan Losses [Roll Forward]
Beginning balance	5,212	6,680
Charge-offs	(682)	(1,637)
Recoveries	367	294
Provision	781	125
Provision for acquired loans with deteriorated credit quality	0	0
Ending balance	4,116	5,212
Allowance for loan loss, Evaluated for impairment, Individually	0	0
Allowance for loan loss, Evaluated for impairment, Collectively	4,116	5,112
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses	0	100
Allowance for loan loss, Total	4,116	5,212
Loans, Evaluated for impairment, Individually	0	0
Loans, Evaluated for impairment, Collectively	1,654,892	1,465,685
Gross loans	1,656,989	1,468,278
Home equity
Allowance for Loan Losses [Roll Forward]
Beginning balance	1,138	1,417
Charge-offs	(219)	(403)
Recoveries	0	45
Provision	(349)	(79)
Provision for acquired loans with deteriorated credit quality	0	0
Ending balance	1,268	1,138
Allowance for loan loss, Evaluated for impairment, Individually	0	0
Allowance for loan loss, Evaluated for impairment, Collectively	1,268	1,138
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses	0	0
Allowance for loan loss, Total	1,268	1,138
Loans, Evaluated for impairment, Individually	0	0
Loans, Evaluated for impairment, Collectively	153,496	139,499
Gross loans	153,496	139,499
Consumer Loan
Allowance for Loan Losses [Roll Forward]
Beginning balance	62	82
Charge-offs	(769)	(60)
Recoveries	166	63
Provision	(860)	23
Provision for acquired loans with deteriorated credit quality	0	0
Ending balance	319	62
Allowance for loan loss, Evaluated for impairment, Individually	0	0
Allowance for loan loss, Evaluated for impairment, Collectively	312	58
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses	7	4
Allowance for loan loss, Total	319	62
Loans, Evaluated for impairment, Individually	0	0
Loans, Evaluated for impairment, Collectively	51,077	29,046
Gross loans	51,190	29,162
DDA Overdrafts
Allowance for Loan Losses [Roll Forward]
Beginning balance	1,670	772
Charge-offs	(2,701)	(2,714)
Recoveries	1,496	1,462
Provision	(1,243)	(2,150)
Provision for acquired loans with deteriorated credit quality	0	0
Ending balance	1,708	1,670
Allowance for loan loss, Evaluated for impairment, Individually	0	0
Allowance for loan loss, Evaluated for impairment, Collectively	1,708	1,670
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses	0	0
Allowance for loan loss, Total	1,708	1,670
Loans, Evaluated for impairment, Individually	0	0
Loans, Evaluated for impairment, Collectively	6,328	4,411
Gross loans	6,328	4,411
Financial Asset Acquired with Credit Deterioration [Member]
Allowance for Loan Losses [Roll Forward]
Loans, Acquired with Deteriorated Credit Quality	15,268	8,597
Financial Asset Acquired with Credit Deterioration [Member] \| Commercial and industrial
Allowance for Loan Losses [Roll Forward]
Loans, Acquired with Deteriorated Credit Quality	1,645	206
Financial Asset Acquired with Credit Deterioration [Member] \| Commercial real estate
Allowance for Loan Losses [Roll Forward]
Loans, Acquired with Deteriorated Credit Quality	11,413	5,682
Financial Asset Acquired with Credit Deterioration [Member] \| Residential real estate
Allowance for Loan Losses [Roll Forward]
Loans, Acquired with Deteriorated Credit Quality	2,097	2,593
Financial Asset Acquired with Credit Deterioration [Member] \| Home equity
Allowance for Loan Losses [Roll Forward]
Loans, Acquired with Deteriorated Credit Quality	0	0
Financial Asset Acquired with Credit Deterioration [Member] \| Consumer Loan
Allowance for Loan Losses [Roll Forward]
Loans, Acquired with Deteriorated Credit Quality	113	116
Financial Asset Acquired with Credit Deterioration [Member] \| DDA Overdrafts
Allowance for Loan Losses [Roll Forward]
Loans, Acquired with Deteriorated Credit Quality	$ 0	$ 0

Loans, Acquired with Deteriorated Credit Quality

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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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Amount of expense related to loan loss not accounted for as debt securities, with evidence of deterioration of credit quality.

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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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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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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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