Allowance For Credit Losses (Impaired Loans By Loan Portfolio) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Financing Receivable, Impaired [Line Items]
Recorded Investment, With no related allowance recorded	$ 4,761		$ 4,761		$ 5,432
Unpaid Principal Balance, With no related allowance recorded	5,422		5,422		5,955
Average Recorded Investment, With no related allowance recorded	5,953	6,126	5,780	4,997
Interest Income Recognized, With no related allowance recorded	3	17	3	17
Recorded Investment, With allowance recorded	5,457		5,457		6,891
Unpaid Principal Balance, With allowance recorded	5,997		5,997		7,433
Related Allowance	1,926		1,926		1,015
Average Recorded Investment, With allowance recorded	6,977	2,114	6,948	3,021
Interest Income Recognized, With allowance recorded		39		39
Recorded Investment, Total	10,218		10,218		12,323
Unpaid Principal Balance, Total	11,419		11,419		13,388
Average Recorded Investment, Total	12,930	8,240	12,728	8,018
Interest Income Recognized, Total	3	56	3	56
Residential Mortgage [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment, With no related allowance recorded	2,444		2,444		2,386
Unpaid Principal Balance, With no related allowance recorded	3,042		3,042		2,883
Average Recorded Investment, With no related allowance recorded	2,414	2,212	2,405	2,146
Average Recorded Investment, With allowance recorded	159		106
Recorded Investment, Total	2,444		2,444		2,386
Unpaid Principal Balance, Total	3,042		3,042		2,883
Average Recorded Investment, Total	2,573	2,212	2,511	2,146
Commercial Mortgage [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment, With no related allowance recorded	2,155		2,155		2,807
Unpaid Principal Balance, With no related allowance recorded	2,207		2,207		2,814
Average Recorded Investment, With no related allowance recorded	2,250	223	2,436	149
Interest Income Recognized, With no related allowance recorded		1		1
Recorded Investment, With allowance recorded	1,131		1,131		2,565
Unpaid Principal Balance, With allowance recorded	1,133		1,133		2,569
Related Allowance	217		217		151
Average Recorded Investment, With allowance recorded	2,392	83	2,449	760
Recorded Investment, Total	3,286		3,286		5,372
Unpaid Principal Balance, Total	3,340		3,340		5,383
Average Recorded Investment, Total	4,642	306	4,885	909
Interest Income Recognized, Total		1		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		144		163
Interest Income Recognized, With no related allowance recorded		12		12
Average Recorded Investment, With allowance recorded	100		67
Unpaid Principal Balance, Total	3		3		3
Average Recorded Investment, Total	100	144	67	163
Interest Income Recognized, Total		12		12
Commercial Construction [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment, With no related allowance recorded	1,091	3,333	727	2,326
Recorded Investment, With allowance recorded	4,326		4,326		4,326
Unpaid Principal Balance, With allowance recorded	4,864		4,864		4,864
Related Allowance	1,709		1,709		864
Average Recorded Investment, With allowance recorded	4,326	2,031	4,326	2,261
Interest Income Recognized, With allowance recorded		39		39
Recorded Investment, Total	4,326		4,326		4,326
Unpaid Principal Balance, Total	4,864		4,864		4,864
Average Recorded Investment, Total	5,417	5,364	5,053	4,587
Interest Income Recognized, Total		39		39
Lease 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	13	60	18	60
Recorded Investment, Total					28
Unpaid Principal Balance, Total					36
Average Recorded Investment, Total	13	60	18	60
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	61	90	62	80
Interest Income Recognized, With no related allowance recorded		2		2
Recorded Investment, Total	60		60		64
Unpaid Principal Balance, Total	68		68		72
Average Recorded Investment, Total	61	90	62	80
Interest Income Recognized, Total		2		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	124	64	132	73
Interest Income Recognized, With no related allowance recorded	3	2	3	2
Recorded Investment, Total	102		102		147
Unpaid Principal Balance, Total	102		102		147
Average Recorded Investment, Total	124	64	132	73
Interest Income Recognized, Total	$ 3	$ 2	$ 3	$ 2