Loans Receivable, net (Details 5) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Loans considered to be impaired loans
Average impaired loans	$ 9,895	$ 8,176	$ 4,317
Interest income on impaired loans	372	290	114
Commercial Mortgage Loans [Member]
Loans considered to be impaired loans
Average impaired loans	9,116	7,610	3,558
Interest income on impaired loans	359	271	89
SBA 7(a) Loans [Member]
Loans considered to be impaired loans
Average impaired loans	779	566	759
Interest income on impaired loans	$ 13	$ 19	$ 25