Loans Receivable (Details 5) (Commercial loans, USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2012	Dec. 31, 2011
Additional information regarding impaired loans
Recorded Investment In Impaired Loans Without a Related Allowance	$ 2,614	$ 2,614	$ 5,897
Recorded Investment In Impaired Loans With a Related Allowance	3,689	3,689	3,404
Recorded Investment In Total Impaired Loans	6,303	6,303	9,301
Unpaid Principal Balance	8,147	8,147	10,994
Related Valuation Allowance	1,435	1,435	1,391
Average Impaired Loans for the Period	6,427	8,163	10,300
SBA
Additional information regarding impaired loans
Recorded Investment In Impaired Loans With a Related Allowance	719	719	404
Recorded Investment In Total Impaired Loans	719	719	404
Unpaid Principal Balance	750	750	425
Related Valuation Allowance	352	352	308
Average Impaired Loans for the Period	686	640	652
Other
Additional information regarding impaired loans
Recorded Investment In Impaired Loans Without a Related Allowance	2,614	2,614	5,897
Recorded Investment In Impaired Loans With a Related Allowance	2,970	2,970	3,000
Recorded Investment In Total Impaired Loans	5,584	5,584	8,897
Unpaid Principal Balance	7,397	7,397	10,569
Related Valuation Allowance	1,083	1,083	1,083
Average Impaired Loans for the Period	$ 5,741	$ 7,523	$ 9,648