Real Estate Loans (Details 2) (USD $) In Thousands, unless otherwise specified								0 Months Ended				0 Months Ended
	Jun. 30, 2013	Sep. 30, 2012	Jun. 30, 2013 Parking Facility	Jun. 30, 2013 Hotel	Jun. 30, 2013 Multi-Family	Sep. 30, 2012 Multi-Family	Jun. 30, 2013 Land	Jun. 30, 2013 Real estate loan concentration Parking Facility New York Performing item	Jun. 30, 2013 Real estate loan concentration Hotel New York Performing	Jun. 30, 2013 Real estate loan concentration Multi-Family New York Performing	Jun. 30, 2013 Real estate loan concentration Land New York Performing	Jun. 30, 2013 Gross loans Real estate loan concentration item	Jun. 30, 2013 Gross loans Real estate loan concentration Parking Facility New York Performing	Jun. 30, 2013 Gross loans Real estate loan concentration Hotel New York Performing	Jun. 30, 2013 Gross loans Real estate loan concentration Multi-Family New York Performing	Jun. 30, 2013 Gross loans Real estate loan concentration Land New York Performing	Jun. 30, 2013 Total assets Real estate loan concentration Parking Facility New York Performing	Jun. 30, 2013 Total assets Real estate loan concentration Hotel New York Performing	Jun. 30, 2013 Total assets Real estate loan concentration Multi-Family New York Performing	Jun. 30, 2013 Total assets Real estate loan concentration Land New York Performing	Jun. 30, 2013 Real properties Geographic concentration New York Senior mortgage loans	Jun. 30, 2013 Real properties Geographic concentration Other states Senior mortgage loans item	Jun. 30, 2013 Real properties Geographic concentration Florida Senior mortgage loans
Loans outstanding in excess of 10%
Number of borrowers with loans outstanding in excess of 10% of total loans												4
Number of loans								2				5
Threshold For Disclosure Percentage												10.00%
Gross Loan Balance	$ 67,447	$ 37,096	$ 16,037	$ 15,780	$ 22,090	$ 35,096	$ 8,000	$ 16,037	$ 14,100	$ 9,798	$ 8,000
Percentage of total													23.80%	20.90%	14.50%	11.90%	3.20%	2.80%	2.00%	1.60%	84.00%	9.00%	7.00%
Number of other states in which loans secured by real properties were located																						3