Credit Quality of Loans and Allowance for Loan Losses (Details Textual) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Credit Quality of Loans and Allowance for Loan Losses (Textual) [Abstract]
Unrecognized interest income due to loans on nonaccrual status	$ 250,000	$ 217,000	$ 451,000	$ 408,000
Recorded investment in impaired loans	617,000
Non accrual status due payment			The loan was not ninety days past due
Restructured loans			$ 0