Real Estate Acquisitions Schedule of 2012 Purchase Price Allocation (Details) (USD $)													6 Months Ended		6 Months Ended
	Feb. 16, 2012 Florida Properties [Member]	Jul. 24, 2012 Blazing Star [Member]	Jul. 27, 2012 Northville Crossing [Member]		Oct. 22, 2012 RainbowRV [Member]		Nov. 15, 2012 Rudgate [Member]	Dec. 31, 2012 Palm Creek [Member]		Dec. 19, 2012 Lake In Wood [Member]	Jun. 30, 2013 Total 2012 Acquisitions [Domain]	Sep. 30, 2012 Commercial Mortgage Backed Securities [Member] Northville Crossing [Member]	Jun. 30, 2013 Mortgages [Member] Florida Properties [Member]	Jan. 31, 2013 Mortgages [Member] Florida Properties [Member]	Jun. 30, 2013 Mortgages [Member] RainbowRV [Member]	Jun. 30, 2013 Mortgages [Member] Palm Creek [Member]
At acquistion date
Investment in property	$ 25,384,000	$ 6,913,000	$ 30,814,000		$ 7,572,000		$ 123,754,000	$ 87,979,000		$ 14,457,000	$ 296,873,000
Inventory of manufactured homes	112,000	220,000	187,000		679,000		2,978,000	0		0	4,176,000
Notes and other receivables	0	0	1,169,000		0		3,002,000	0		0	4,171,000
In-place leases	180,000	0	260,000		40,000		8,110,000	2,058,000		0	10,648,000
Other assets	0	193,000	0		0		745,000	686,000		43,000	1,667,000
Other liabilities	1,194,000	179,000	221,000		331,000		1,832,000	880,000		0	4,637,000
Assumed debt	0	4,104,000	0		0		15,103,000	43,619,000		755,000	63,581,000
Total identifiable assets and liabilities assumed	24,482,000	3,043,000	32,209,000		7,960,000		121,654,000	46,224,000		13,745,000	249,317,000
Consideration
Cash	24,482,000	3,043,000	32,209,000	[1]	7,351,000		54,054,000	10,247,000		13,745,000	145,131,000
New debt proceeds	0	0	0		609,000	[2]	67,600,000	35,977,000	[3]	0	104,186,000
Fair value of total consideration transferred	24,482,000	3,043,000	32,209,000		7,960,000		121,654,000	46,224,000		13,745,000	249,317,000
Debt Instrument, Face Amount												21,700,000		36,000,000
Extinguishment of Debt, Amount													$ 30,000,000		$ 600,000	$ 36,000,000

[1] (1) On September 28, 2012, Northville Crossing was encumbered with a $21.7 million loan.

[2] (3) Subsequent to the acquisition, in April 2013, we paid off the $0.6 million sellers note for Rainbow (See Note 9).

[3] (2) Subsequent to the acquisition, in January 2013, we paid off the $36.0 million sellers note for Palm Creek (See Note 9).