Loans by Type (Details Textual) (USD $)	6 Months Ended	12 Months Ended
	Jun. 30, 2012	Dec. 31, 2011
Loan Disclosure	Impaired loans consist primarily of nonaccrual loans, loans greater than 90 days past due and still accruing interest and troubled debt restructurings, both performing and nonperforming. Troubled debt restructuring involves the granting of a concession to a borrower experiencing financial difficulty resulting in the modification of terms of the loan, such as changes in payment schedule or interest rate.
Accruing Interest On Nonrecurring Loan	$ 0	$ 29,000
Loans Classified As Troubled Debt Restructuring	0	4,479,000
Other Real Estate, Foreclosed Assets, and Repossessed Assets	$ 1,689,000	$ 1,689,000