Commitments and Contingencies (Details Textual) (USD $)	12 Months Ended
	Dec. 31, 2012 Cases	Dec. 31, 2011
Commitments and Contingencies (Textual) [Abstract]
Number of Cases	18
Daily average required reserves	$ 14,200,000	$ 14,200,000
Deposits	6,700,000
Uninsured deposits with other financial institutions	$ 665,000