Loans Receivable, net (Details 4) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Loans considered to be impaired loans
Impaired loans requiring reserves	$ 10,927	$ 7,411	$ 687
Impaired loans expected to be fully recoverable	2,244	846	228
Total impaired loans	13,171	8,257	915
Loan loss reserves	1,535	563	219
Commercial Mortgage Loans [Member]
Loans considered to be impaired loans
Impaired loans requiring reserves	10,049	7,027	419
Impaired loans expected to be fully recoverable	2,123	689	228
Total impaired loans	12,172	7,716	647
Loan loss reserves	1,382	372	25
SBA 7(a) Loans [Member]
Loans considered to be impaired loans
Impaired loans requiring reserves	878	384	268
Impaired loans expected to be fully recoverable	121	157
Total impaired loans	999	541	268
Loan loss reserves	$ 153	$ 191	$ 194