Variable Interest Entities Consolidated VIE's Bond Table (Details) (Variable Interest Entity, Primary Beneficiary [Member], USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Available-for-sale Securities, Held in Trust, at Par Value	$ 14,897,000	$ 24,158,000
Investment Income, Net	939,229	1,520,818
Bent Tree [Member]
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Available-for-sale Security, Maturity Date at a point in time	Dec. 15, 2030
Debt Instrument, Interest Rate, Stated Percentage	6.25%	6.25%
Available-for-sale Securities, Held in Trust, at Par Value	7,542,000	7,614,000
Investment Income, Net	473,438	477,938
Fairmont Oaks [Member]
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Available-for-sale Security, Maturity Date at a point in time	Apr. 01, 2033
Debt Instrument, Interest Rate, Stated Percentage	6.30%	6.30%
Available-for-sale Securities, Held in Trust, at Par Value	7,355,000	7,439,000
Investment Income, Net	465,791	471,067
Lake Forest [Member]
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Available-for-sale Security, Maturity Date at a point in time	Dec. 01, 2031
Debt Instrument, Interest Rate, Stated Percentage		6.25%
Available-for-sale Securities, Held in Trust, at Par Value		9,105,000
Investment Income, Net		$ 571,813