Loans Receivable (Details Textual 1) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013 Originated Loans Receivable [Member]	Dec. 31, 2012 Originated Loans Receivable [Member]	Sep. 30, 2013 Impaired Originated Loans Receivable [Member]	Dec. 31, 2012 Impaired Originated Loans Receivable [Member]	Sep. 30, 2013 Purchased Non Accrual Loans Receivable [Member]	Dec. 31, 2012 Purchased Non Accrual Loans Receivable [Member]	Sep. 30, 2013 Impaired Purchased Other [Member]	Dec. 31, 2012 Impaired Purchased Other [Member]
Loans Receivable (Textual) [Abstract]
Impaired loans individually reviewed for potential losses					$ 29,300,000	$ 27,500,000
Potential problem loans receivable					26,600,000	28,300,000
Government guaranteed potential problem loans					1,700,000	3,200,000
Purchased other impaired loans											7,700,000	2,200,000
Nonaccrual originated loans guaranteed by governmental agencies					1,900,000	1,200,000
Other nonaccrual loans									7,000	39,000
Government guarantee of originated impaired loans							3,000,000	1,900,000
Interest income recognized on impaired loans	$ 0	$ 0	$ 0	$ 0