Loans (Troubled Debt Restructurings Type of Modification) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2012		Sep. 30, 2011		Sep. 30, 2012		Sep. 30, 2011
Financing Receivable, Modifications [Line Items]
Payment Deferral	$ 0		$ 139		$ 240		$ 2,184
Maturity/Amortization Concession	0		28		917		694
Interest Only Payments	0		0		361		15
Below Market Interest Rate Concession	0		0		1,426		0
Combination	8,183	[1]	0	[1]	8,381	[1]	209	[1]
Recorded Investment Amount of Loans Modified	8,183		167		11,325		3,102
Troubled Debt Restructuring Commercial Real Estate Relationship - Total	8,200
Troubled Debt Restructured Commercial Real Estate Relationship - Below Market Rate Portion	$ 3,100

[1] Loans included in this classification had a combination of any two of the concessions included in this table. In the third quarter of 2012 , a restructuring involving one accruing commercial real estate relationship with a carrying value of $8.2 million occurred. The restructuring included a modification of certain payment terms and a below market interest rate reduction for a temporary period on approximately $3.1 million of the total balance.