Credit Quality of Loans and Allowance for Loan Losses (Details Textual) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Credit Quality of Loans and Allowance for Loan Losses (Textual) [Abstract]
Unrecognized interest income due to loans on nonaccrual status	$ 229,000	$ 239,000	$ 676,000	$ 689,000
Recorded investment in impaired loans			545,000
Non accrual status due payment			The loan was not ninety days past due
Restructured loans			$ 0