Discontined Operations Discontinued Operations Narrative (Details) (USD $)	12 Months Ended					9 Months Ended	12 Months Ended				3 Months Ended	12 Months Ended			12 Months Ended			12 Months Ended					12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013 Eagle Ridge [Member]	Dec. 31, 2012 Eagle Ridge [Member]	Sep. 30, 2013 Greens of Pine Glen [Member]	Dec. 31, 2013 Greens of Pine Glen [Member]	Dec. 31, 2012 Greens of Pine Glen [Member]	Dec. 31, 2012 churchland [Member]	Sep. 30, 2012 churchland [Member]	Mar. 31, 2013 Ohio Properties [Member]	Dec. 31, 2013 Ohio Properties [Member]	Dec. 31, 2012 Ohio Properties [Member]	Dec. 31, 2012 Boston Capital Limited Partners [Member] Greens of Pine Glen [Member] limited	Dec. 31, 2013 Series A [Member] Greens of Pine Glen [Member]		Dec. 31, 2012 Series A [Member] Greens of Pine Glen [Member]	Dec. 31, 2013 Series A [Member] Ohio Properties [Member]		Dec. 31, 2013 Series B [Member] Greens of Pine Glen [Member]		Dec. 31, 2012 Series B [Member] Greens of Pine Glen [Member]	Dec. 31, 2013 Series B [Member] Ohio Properties [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Limited Partners														2
Limited Partners' Contributed Capital						$ 800,000		$ 961,000			$ 6,500,000	$ 6,500,000
Available-for-Sale Securities, Asset Ownership							100.00%	100.00%
Debt Instrument, Interest Rate, Stated Percentage															6.50%	[1]	6.50%	7.00%	[1]	12.00%	[1]	12.00%	10.00%
Available-for-sale Securities, at Par Value	299,841,918	146,806,203					9,500,000								8,437,501	[1]	8,515,000	14,498,000	[1]	948,291	[1]	950,000	3,583,590
Available-for-sale Security, Maturity Date at a point in time							Oct. 01, 2047	Oct. 01, 2047							Oct. 01, 2047	[1]		Jun. 01, 2050	[1]	Oct. 01, 2047	[1]		Jun. 01, 2050
Loans Payable								850,000
Property, Plant and Equipment, Net					2,300,000			8,400,000	6,500,000
Assets of Disposal Group, Including Discontinued Operation	0	32,580,427		2,500,000	2,300,000		0	12,200,000	7,300,000			0
business disposal, sales price								7,300,000		8,100,000
Significant Acquisitions and Disposals, Gain (Loss) on Sale or Disposal, Net of Tax				126,000						1,300,000
Property, Plant and Equipment, Net	103,148,934	85,488,292										18,600,000
Property, Plant and Equipment, Gross	122,277,687	104,818,355											20,400,000
Gain (Loss) on Sale of Properties						1,400,000					1,800,000
Investment Income, Interest							500,000					3,500,000
Interest Income, Operating	1,772,338	150,882	485,679									1,100,000
Other income	$ 250,000	$ 555,328	$ 294,328									$ 250,000

[1] Bond held by Deutsche Bank in a secured financing transaction, Note 11