Other Assets Loan Receivable and Allowance (Details) (USD $)	Jun. 30, 2012	Dec. 31, 2011
Accounts, Notes, Loans and Financing Receivable [Line Items]
Property loan receivable, gross	$ 20,437,663	$ 19,808,803
Loan Interest Receivable	5,709,614	5,066,366
Loans and Leases Receivable, Allowance	(18,026,166)	(16,782,918)
Loans Receivable, Net	8,121,111	8,092,251
Woodland Park [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Property loan receivable, gross	914,116	914,116
Loan Interest Receivable	232,847	167,609
Loans and Leases Receivable, Allowance	(1,146,963)	(1,081,725)
Loans Receivable, Net	0	0
Iona Lakes [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Property loan receivable, gross	7,524,118	7,339,118
Loan Interest Receivable	2,523,154	2,207,301
Loans and Leases Receivable, Allowance	(6,524,776)	(6,208,923)
Loans Receivable, Net	3,522,496	3,337,496
Cross Creek [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Property loan receivable, gross	6,588,087	6,769,227
Loan Interest Receivable	1,458,388	1,360,270
Loans and Leases Receivable, Allowance	(4,662,860)	(4,564,742)
Loans Receivable, Net	3,383,615	3,564,755
Ashley Square [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Property loan receivable, gross	4,811,342	4,786,342
Loan Interest Receivable	1,492,025	1,331,186
Loans and Leases Receivable, Allowance	(5,088,367)	(4,927,528)
Loans Receivable, Net	1,215,000	1,190,000
Arbors at Hickory Ridge [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Property loan receivable, gross	600,000
Loan Interest Receivable	3,200
Loans and Leases Receivable, Allowance	(603,200)
Loans Receivable, Net	$ 0