Allowance For Credit Losses (Impaired Loans By Loan Portfolio) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Financing Receivable, Impaired [Line Items]
Recorded Investment, With no related allowance recorded	$ 5,496		$ 5,496		$ 5,432
Unpaid Principal Balance, With no related allowance recorded	10,362		10,362		5,955
Average Recorded Investment, With no related allowance recorded	5,129	6,109	5,709	5,045
Interest Income Recognized, With no related allowance recorded		130	3	147
Recorded Investment, With allowance recorded					6,891
Unpaid Principal Balance, With allowance recorded					7,433
Related Allowance					1,015
Average Recorded Investment, With allowance recorded	2,729	2,113	5,212	2,793
Interest Income Recognized, With allowance recorded		27		66
Recorded Investment, Total	5,496		5,496		12,323
Unpaid Principal Balance, Total	10,362		10,362		13,388
Average Recorded Investment, Total	7,858	8,222	10,921	7,838
Interest Income Recognized, Total		157	3	213
Residential Mortgage [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment, With no related allowance recorded	2,499		2,499		2,386
Unpaid Principal Balance, With no related allowance recorded	3,097		3,097		2,883
Average Recorded Investment, With no related allowance recorded	2,472	2,409	2,428	2,207
Average Recorded Investment, With allowance recorded			80
Recorded Investment, Total	2,499		2,499		2,386
Unpaid Principal Balance, Total	3,097		3,097		2,883
Average Recorded Investment, Total	2,472	2,409	2,508	2,207
Commercial Mortgage [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment, With no related allowance recorded	281		281		2,807
Unpaid Principal Balance, With no related allowance recorded	351		351		2,814
Average Recorded Investment, With no related allowance recorded	1,218	240	1,897	171
Interest Income Recognized, With no related allowance recorded				1
Recorded Investment, With allowance recorded					2,565
Unpaid Principal Balance, With allowance recorded					2,569
Related Allowance					151
Average Recorded Investment, With allowance recorded	566	82	1,837	590
Recorded Investment, Total	281		281		5,372
Unpaid Principal Balance, Total	351		351		5,383
Average Recorded Investment, Total	1,784	322	3,734	761
Interest Income Recognized, Total				1
Commercial Term [Member]
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance, With no related allowance recorded	3		3		3
Average Recorded Investment, With no related allowance recorded		76		139
Interest Income Recognized, With no related allowance recorded				12
Average Recorded Investment, With allowance recorded			50
Unpaid Principal Balance, Total	3		3		3
Average Recorded Investment, Total		76	50	139
Interest Income Recognized, Total				12
Commercial Construction [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment, With no related allowance recorded	2,554		2,554
Unpaid Principal Balance, With no related allowance recorded	6,741		6,741
Average Recorded Investment, With no related allowance recorded	1,277	3,177	1,184	2,318
Interest Income Recognized, With no related allowance recorded		130		130
Recorded Investment, With allowance recorded					4,326
Unpaid Principal Balance, With allowance recorded					4,864
Related Allowance					864
Average Recorded Investment, With allowance recorded	2,163	2,031	3,245	2,203
Interest Income Recognized, With allowance recorded		27		66
Recorded Investment, Total	2,554		2,554		4,326
Unpaid Principal Balance, Total	6,741		6,741		4,864
Average Recorded Investment, Total	3,440	5,208	4,429	4,521
Interest Income Recognized, Total		157		196
Leases Financing [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment, With no related allowance recorded					28
Unpaid Principal Balance, With no related allowance recorded					36
Average Recorded Investment, With no related allowance recorded		46	14	54
Recorded Investment, Total					28
Unpaid Principal Balance, Total					36
Average Recorded Investment, Total		46	14	54
Consumer: Home Equity [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment, With no related allowance recorded	60		60		64
Unpaid Principal Balance, With no related allowance recorded	68		68		72
Average Recorded Investment, With no related allowance recorded	60	119	62	90
Interest Income Recognized, With no related allowance recorded				2
Recorded Investment, Total	60		60		64
Unpaid Principal Balance, Total	68		68		72
Average Recorded Investment, Total	60	119	62	90
Interest Income Recognized, Total				2
Consumer: Other [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment, With no related allowance recorded	102		102		147
Unpaid Principal Balance, With no related allowance recorded	102		102		147
Average Recorded Investment, With no related allowance recorded	102	42	124	66
Interest Income Recognized, With no related allowance recorded			3	2
Recorded Investment, Total	102		102		147
Unpaid Principal Balance, Total	102		102		147
Average Recorded Investment, Total	102	42	124	66
Interest Income Recognized, Total			$ 3	$ 2