Commitments and Contingencies Narrative Tagging (Details) (USD $)										6 Months Ended		3 Months Ended
	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2013	Jun. 30, 2014 Foundation for Affordable Housing [Member]	Dec. 31, 2013 Foundation for Affordable Housing [Member] Unit	Jun. 30, 2014 Greens of Pine Glen [Member]	Dec. 31, 2013 Greens of Pine Glen [Member]	Jun. 30, 2014 Ohio Properties [Member]	Dec. 31, 2013 Ohio Properties [Member]	Jun. 30, 2014 Construction in Progress [Member] parkingstalls	Jun. 30, 2014 Construction in Progress [Member] parkingstalls Unit	Jun. 30, 2014 Mortgage revenue bonds [Member] Unit	Jun. 30, 2014 Taxable Municipal Bonds [Member]
Guarantor Obligations, Maximum Exposure, Undiscounted					$ 2,800,000	$ 1,300,000
Number of Units in Real Estate Property					96						475	5,607
Property loans receivable	22,172,045	21,549,927		6,888,087	1,603,083	251,622	876,000	876,000	2,361,447
Percentage of Loss Contingency, Range of Possible Loss, Maximum						75.00%		75.00%
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners			25.00%
Loss Contingency, Range of Possible Loss, Maximum								4,900,000
Operating Leases, Rent Expense										100	100
Number of Parking Stalls										1,605	1,605
Estimated Total Cost of Construction										34,000,000	34,000,000
Possible Penalty on Construction										6,000
Long-term Purchase Commitment, Amount												8,000,000	500,000
Debt Instrument, Interest Rate, Stated Percentage					9.00%							6.00%	12.00%
Available-For-Sale Securities, Gross Unrealized Loss MTM	$ 43,699	$ 2,434,964										$ 41,000