Loans (Schedule Of Loans Individually Evaluated For Impairment) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Financing Receivable, Impaired [Line Items]
Recorded Investment	$ 37,805	$ 37,647
Unpaid Principal Balance	37,824	37,659
Related Allowance	1,590	1,404
Average Impaired Balance	35,646	37,895	$ 44,100
Interest Income Recognized while impaired	2,232	1,324	$ 1,500
Commercial Loan [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	243	285
Without a related allowance, Unpaid Principal Balance	243	285
Without a related allowance, Average Impaired Balance	259	247
Without a related allowance, Interest Income Recognized while impaired	13	10
With a related allowance, Recorded Investment	252	0
With a related allowance, Unpaid Principal Balance	252	0
With a related allowance, Related Allowance	252	0
With a related allowance, Average Impaired Balance	262	0
With a related allowance, Interest Income Recognized while impaired	0	0
Owner Occupied [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	7,109	520
Without a related allowance, Unpaid Principal Balance	7,111	520
Without a related allowance, Average Impaired Balance	5,149	534
Without a related allowance, Interest Income Recognized while impaired	265	31
With a related allowance, Recorded Investment	2,436	6,864
With a related allowance, Unpaid Principal Balance	2,436	6,864
With a related allowance, Related Allowance	125	347
With a related allowance, Average Impaired Balance	2,451	6,879
With a related allowance, Interest Income Recognized while impaired	161	269
Non Owner Occupied [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	9,105	10,203
Without a related allowance, Unpaid Principal Balance	9,106	10,205
Without a related allowance, Average Impaired Balance	9,736	10,675
Without a related allowance, Interest Income Recognized while impaired	684	294
With a related allowance, Recorded Investment	1,338	1,311
With a related allowance, Unpaid Principal Balance	1,344	1,311
With a related allowance, Related Allowance	517	197
With a related allowance, Average Impaired Balance	676	1,327
With a related allowance, Interest Income Recognized while impaired	43	43
Land And Land Improvements [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	5,018	5,227
Without a related allowance, Unpaid Principal Balance	5,018	5,227
Without a related allowance, Average Impaired Balance	4,743	5,270
Without a related allowance, Interest Income Recognized while impaired	329	80
With a related allowance, Recorded Investment	1,464	2,066
With a related allowance, Unpaid Principal Balance	1,464	2,066
With a related allowance, Related Allowance	524	585
With a related allowance, Average Impaired Balance	1,477	2,074
With a related allowance, Interest Income Recognized while impaired	74	80
Construction [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	0	0
Without a related allowance, Unpaid Principal Balance	0	0
Without a related allowance, Average Impaired Balance	0	0
Without a related allowance, Interest Income Recognized while impaired	0	0
With a related allowance, Recorded Investment	0	0
With a related allowance, Unpaid Principal Balance	0	0
With a related allowance, Related Allowance	0	0
With a related allowance, Average Impaired Balance	0	0
With a related allowance, Interest Income Recognized while impaired	0	0
Non Jumbo [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	4,190	4,055
Without a related allowance, Unpaid Principal Balance	4,199	4,065
Without a related allowance, Average Impaired Balance	4,214	3,910
Without a related allowance, Interest Income Recognized while impaired	240	193
With a related allowance, Recorded Investment	1,717	2,055
With a related allowance, Unpaid Principal Balance	1,718	2,057
With a related allowance, Related Allowance	158	251
With a related allowance, Average Impaired Balance	1,691	1,851
With a related allowance, Interest Income Recognized while impaired	100	78
Jumbo [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	3,555	3,640
Without a related allowance, Unpaid Principal Balance	3,554	3,639
Without a related allowance, Average Impaired Balance	3,592	3,693
Without a related allowance, Interest Income Recognized while impaired	228	175
With a related allowance, Recorded Investment	838	853
With a related allowance, Unpaid Principal Balance	839	853
With a related allowance, Related Allowance	14	24
With a related allowance, Average Impaired Balance	845	862
With a related allowance, Interest Income Recognized while impaired	57	44
Home Equity [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	523	524
Without a related allowance, Unpaid Principal Balance	523	523
Without a related allowance, Average Impaired Balance	523	523
Without a related allowance, Interest Income Recognized while impaired	35	22
With a related allowance, Recorded Investment	0	0
With a related allowance, Unpaid Principal Balance	0	0
With a related allowance, Related Allowance	0	0
With a related allowance, Average Impaired Balance	0	0
With a related allowance, Interest Income Recognized while impaired	0	0
Mortgage Warehouse Lines [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	0	0
Without a related allowance, Unpaid Principal Balance	0	0
Without a related allowance, Average Impaired Balance	0	0
Without a related allowance, Interest Income Recognized while impaired	0	0
With a related allowance, Recorded Investment	0	0
With a related allowance, Unpaid Principal Balance	0	0
With a related allowance, Related Allowance	0	0
With a related allowance, Average Impaired Balance	0	0
With a related allowance, Interest Income Recognized while impaired	0	0
Consumer Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	17	44
Without a related allowance, Unpaid Principal Balance	17	44
Without a related allowance, Average Impaired Balance	28	50
Without a related allowance, Interest Income Recognized while impaired	3	5
With a related allowance, Recorded Investment	0	0
With a related allowance, Unpaid Principal Balance	0	0
With a related allowance, Related Allowance	0	0
With a related allowance, Average Impaired Balance	0	0
With a related allowance, Interest Income Recognized while impaired	0	0
Total Without a Related Allowance
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	29,760	24,498
Without a related allowance, Unpaid Principal Balance	29,771	24,508
Without a related allowance, Average Impaired Balance	28,244	24,902
Without a related allowance, Interest Income Recognized while impaired	1,797	810
Total With a Related Allowance
Financing Receivable, Impaired [Line Items]
With a related allowance, Recorded Investment	8,045	13,149
With a related allowance, Unpaid Principal Balance	8,053	13,151
With a related allowance, Related Allowance	1,590	1,404
With a related allowance, Average Impaired Balance	7,402	12,993
With a related allowance, Interest Income Recognized while impaired	435	514
Total Commercial
Financing Receivable, Impaired [Line Items]
Recorded Investment	26,965	26,476
Unpaid Principal Balance	26,974	26,478
Related Allowance	1,418	1,129
Average Impaired Balance	24,753	27,006
Interest Income Recognized while impaired	1,569	807
Total Residential Real Estate
Financing Receivable, Impaired [Line Items]
Recorded Investment	10,823	11,127
Unpaid Principal Balance	10,833	11,137
Related Allowance	172	275
Average Impaired Balance	10,865	10,839
Interest Income Recognized while impaired	660	512
Total Consumer
Financing Receivable, Impaired [Line Items]
Recorded Investment	17	44
Unpaid Principal Balance	17	44
Related Allowance	0	0
Average Impaired Balance	28	50
Interest Income Recognized while impaired	$ 3	$ 5