Portfolio Loans And Allowance For Loan Losses (Summary Of Impaired Loans Evaluated For Impairment By Loan Class) (Details) (USD $)	Jun. 30, 2012		Dec. 31, 2011
Financing Receivable, Impaired [Line Items]
Impaired Loans with No Related Allowance Recorded, Recorded Investment	$ 22,847,000	[1]	$ 36,655,000	[2]
Impaired Loans with an Allowance Recorded, Recorded Investment	15,389,000		4,420,000
Impaired Loans, Recorded Investment	38,236,000		41,075,000
Impaired Loans with No Related Allowance Recorded, Unpaid Principal Balance	32,408,000	[1]	50,657,000	[2]
Impaired Loans with an Allowance Recorded, Unpaid Principal Balance	15,389,000		4,420,000
Impaired Loans, Unpaid Principal Balance	47,797,000		55,077,000
Impaired Loans, Related Allowance for Loan Losses	5,948,000		545,000
Residential mortgages not individually reviewed	127,000		128,000
Consumer loans not individually reviewed	331,000		145,000
Maximum amount of individual loan not included in total impaired loans	200,000		130,000
Commercial And Commercial Mortgage Loans [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans with No Related Allowance Recorded, Recorded Investment	19,094,000	[1]	29,829,000	[2]
Impaired Loans with an Allowance Recorded, Recorded Investment	14,264,000		3,295,000
Impaired Loans, Recorded Investment	33,358,000		33,124,000
Impaired Loans with No Related Allowance Recorded, Unpaid Principal Balance	28,655,000	[1]	41,381,000	[2]
Impaired Loans with an Allowance Recorded, Unpaid Principal Balance	14,264,000		3,295,000
Impaired Loans, Unpaid Principal Balance	42,919,000		44,676,000
Impaired Loans, Related Allowance for Loan Losses	5,850,000		447,000
Construction Loans [Member]
Financing Receivable, Impaired [Line Items]
Impaired Loans with No Related Allowance Recorded, Recorded Investment	3,753,000	[1]	6,826,000	[2]
Impaired Loans with an Allowance Recorded, Recorded Investment	1,125,000		1,125,000
Impaired Loans, Recorded Investment	4,878,000		7,951,000
Impaired Loans with No Related Allowance Recorded, Unpaid Principal Balance	3,753,000	[1]	9,276,000	[2]
Impaired Loans with an Allowance Recorded, Unpaid Principal Balance	1,125,000		1,125,000
Impaired Loans, Unpaid Principal Balance	4,878,000		10,401,000
Impaired Loans, Related Allowance for Loan Losses	$ 98,000		$ 98,000

[1] Residential mortgages of $127,000 and consumer loans of $331,000 all individually less than $200,000 are not individually reviewed and are excluded from the table as they were deemed not significant to the financial statements.

[2] Residential mortgages of $128,000 and consumer loans of $145,000 all individually less than $130,000 are not individually reviewed and are excluded from the table as they were deemed not significant to the financial statements.