Loans (Summary Of Impaired Loans) (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Financing Receivable, Impaired [Line Items]
Impaired Loans, With No Allowance, Recorded Investment	$ 12,222	$ 22,387
Impaired Loans, With No Allowance, Unpaid Principal	12,540	23,067
Impaired Loans, With A Related Allowance, Recorded Investment	9,806	1,060
Impaired Loans, With A Related Allowance, Unpaid Principal	9,806	1,060
Impaired Loans, With A Related Allowance, Related Allowance	1,347	243
Impaired Loans, Total, Recorded Investment	22,028	23,447
Impaired Loans, Total, Unpaid Principal	22,346	24,127
Total Commercial Related Loans [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans, With No Allowance, Recorded Investment	10,937	21,453
Impaired Loans, With No Allowance, Unpaid Principal	11,231	22,104
Impaired Loans, With A Related Allowance, Recorded Investment	9,806	1,060
Impaired Loans, With A Related Allowance, Unpaid Principal	9,806	1,060
Impaired Loans, With A Related Allowance, Related Allowance	1,347	243
Impaired Loans, Total, Recorded Investment	20,743	22,513
Impaired Loans, Total, Unpaid Principal	21,037	23,164
Total Commercial Related Loans [Member] | Builder & Developer [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans, With No Allowance, Recorded Investment	277	2,673
Impaired Loans, With No Allowance, Unpaid Principal	571	3,008
Impaired Loans, With A Related Allowance, Recorded Investment	138	0
Impaired Loans, With A Related Allowance, Unpaid Principal	138	0
Impaired Loans, With A Related Allowance, Related Allowance	51	0
Impaired Loans, Total, Recorded Investment	415	2,673
Impaired Loans, Total, Unpaid Principal	709	3,008
Total Commercial Related Loans [Member] | Commercial Real Estate Investor [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans, With No Allowance, Recorded Investment	4,966	4,585
Impaired Loans, With No Allowance, Unpaid Principal	4,966	4,601
Impaired Loans, With A Related Allowance, Recorded Investment	0	1,060
Impaired Loans, With A Related Allowance, Unpaid Principal	0	1,060
Impaired Loans, With A Related Allowance, Related Allowance	0	243
Impaired Loans, Total, Recorded Investment	4,966	5,645
Impaired Loans, Total, Unpaid Principal	4,966	5,661
Total Commercial Related Loans [Member] | Residential Real Estate Investor [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans, With No Allowance, Recorded Investment	2,176	1,210
Impaired Loans, With No Allowance, Unpaid Principal	2,176	1,510
Impaired Loans, With A Related Allowance, Recorded Investment	0	0
Impaired Loans, With A Related Allowance, Unpaid Principal	0	0
Impaired Loans, With A Related Allowance, Related Allowance	0	0
Impaired Loans, Total, Recorded Investment	2,176	1,210
Impaired Loans, Total, Unpaid Principal	2,176	1,510
Total Commercial Related Loans [Member] | Hotel/Motel [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans, With No Allowance, Recorded Investment	0	0
Impaired Loans, With No Allowance, Unpaid Principal	0	0
Impaired Loans, With A Related Allowance, Recorded Investment	0	0
Impaired Loans, With A Related Allowance, Unpaid Principal	0	0
Impaired Loans, With A Related Allowance, Related Allowance	0	0
Impaired Loans, Total, Recorded Investment	0	0
Impaired Loans, Total, Unpaid Principal	0	0
Total Commercial Related Loans [Member] | Wholesale & Retail [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans, With No Allowance, Recorded Investment	347	7,912
Impaired Loans, With No Allowance, Unpaid Principal	347	7,912
Impaired Loans, With A Related Allowance, Recorded Investment	7,817	0
Impaired Loans, With A Related Allowance, Unpaid Principal	7,817	0
Impaired Loans, With A Related Allowance, Related Allowance	757	0
Impaired Loans, Total, Recorded Investment	8,164	7,912
Impaired Loans, Total, Unpaid Principal	8,164	7,912
Total Commercial Related Loans [Member] | Manufacturing [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans, With No Allowance, Recorded Investment	1,393	3,840
Impaired Loans, With No Allowance, Unpaid Principal	1,393	3,840
Impaired Loans, With A Related Allowance, Recorded Investment	1,851	0
Impaired Loans, With A Related Allowance, Unpaid Principal	1,851	0
Impaired Loans, With A Related Allowance, Related Allowance	539	0
Impaired Loans, Total, Recorded Investment	3,244	3,840
Impaired Loans, Total, Unpaid Principal	3,244	3,840
Total Commercial Related Loans [Member] | Agriculture [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans, With No Allowance, Recorded Investment	661	315
Impaired Loans, With No Allowance, Unpaid Principal	661	315
Impaired Loans, With A Related Allowance, Recorded Investment	0	0
Impaired Loans, With A Related Allowance, Unpaid Principal	0	0
Impaired Loans, With A Related Allowance, Related Allowance	0	0
Impaired Loans, Total, Recorded Investment	661	315
Impaired Loans, Total, Unpaid Principal	661	315
Total Commercial Related Loans [Member] | Other [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans, With No Allowance, Recorded Investment	1,117	918
Impaired Loans, With No Allowance, Unpaid Principal	1,117	918
Impaired Loans, With A Related Allowance, Recorded Investment	0	0
Impaired Loans, With A Related Allowance, Unpaid Principal	0	0
Impaired Loans, With A Related Allowance, Related Allowance	0	0
Impaired Loans, Total, Recorded Investment	1,117	918
Impaired Loans, Total, Unpaid Principal	1,117	918
Total Consumer Related Loans [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans, With No Allowance, Recorded Investment	1,285	934
Impaired Loans, With No Allowance, Unpaid Principal	1,309	963
Impaired Loans, With A Related Allowance, Recorded Investment	0	0
Impaired Loans, With A Related Allowance, Unpaid Principal	0	0
Impaired Loans, With A Related Allowance, Related Allowance	0	0
Impaired Loans, Total, Recorded Investment	1,285	934
Impaired Loans, Total, Unpaid Principal	1,309	963
Total Consumer Related Loans [Member] | Residential Mortgages [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans, With No Allowance, Recorded Investment	550	247
Impaired Loans, With No Allowance, Unpaid Principal	574	276
Impaired Loans, With A Related Allowance, Recorded Investment	0	0
Impaired Loans, With A Related Allowance, Unpaid Principal	0	0
Impaired Loans, With A Related Allowance, Related Allowance	0	0
Impaired Loans, Total, Recorded Investment	550	247
Impaired Loans, Total, Unpaid Principal	574	276
Total Consumer Related Loans [Member] | Home Equity [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans, With No Allowance, Recorded Investment	493	452
Impaired Loans, With No Allowance, Unpaid Principal	493	452
Impaired Loans, With A Related Allowance, Recorded Investment	0	0
Impaired Loans, With A Related Allowance, Unpaid Principal	0	0
Impaired Loans, With A Related Allowance, Related Allowance	0	0
Impaired Loans, Total, Recorded Investment	493	452
Impaired Loans, Total, Unpaid Principal	493	452
Total Consumer Related Loans [Member] | Other [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans, With No Allowance, Recorded Investment	242	235
Impaired Loans, With No Allowance, Unpaid Principal	242	235
Impaired Loans, With A Related Allowance, Recorded Investment	0	0
Impaired Loans, With A Related Allowance, Unpaid Principal	0	0
Impaired Loans, With A Related Allowance, Related Allowance	0	0
Impaired Loans, Total, Recorded Investment	242	235
Impaired Loans, Total, Unpaid Principal	$ 242	$ 235