Bank Loans - Allowance by Type (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Allowance for Loan and Lease Losses, Provision for Loss, Net [Abstract]
Allowanceforloanlosseunallocated	$ 883,000.0	$ 388,000.0
AllowanceforloanlosseConsumer	510,000.0	288,000.0
AllowanceforloanlossesComercialrealestate	633,000.0	278,000.0
AllowanceForLoanLossesResidentialRealEstate	679,000.0	681,000.0
Allowance for Loan Losses - Commerical and Industrial	$ 2,595,000.0	$ 696,000.0