Real Estate Acquisitions, 2016 Other Acquisitions Purchase Price Allocation (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Oct. 31, 2016	Dec. 31, 2016	Sep. 30, 2016	Aug. 31, 2016
Lake Josephine RV Resort [Member]
Business Acquisition [Line Items]
Investment in property		$ 3,400
Inventory of manufactured homes		0
In-place leases and other intangible assets		0
Total identifiable assets acquired and liabilities assumed		3,400
Cash, proceeds from dispositions held in escrow, or contingent liability		3,400
Adirondack Gateway Campground RV Resort [Member]
Business Acquisition [Line Items]
Investment in property		2,590
Inventory of manufactured homes		0
In-place leases and other intangible assets		170
Total identifiable assets acquired and liabilities assumed		2,760
Cash, proceeds from dispositions held in escrow, or contingent liability		2,250
Business Combination, Bargain Purchase, Gain Recognized, Amount	$ 500	500
Jellystone Park Camp Resort [Member]
Business Acquisition [Line Items]
Investment in property		7,516
Inventory of manufactured homes		0
In-place leases and other intangible assets		0
Total identifiable assets acquired and liabilities assumed		7,516
Cash, proceeds from dispositions held in escrow, or contingent liability		7,516
Petoskey RV Resort [Member]
Business Acquisition [Line Items]
Investment in property		3,500
Inventory of manufactured homes		0
In-place leases and other intangible assets		0
Total identifiable assets acquired and liabilities assumed		3,500
Cash, proceeds from dispositions held in escrow, or contingent liability		3,500
Sunset Beach Resort [Member]
Business Acquisition [Line Items]
Investment in property		28,283
Inventory of manufactured homes		0
In-place leases and other intangible assets		0
Total identifiable assets acquired and liabilities assumed		28,283
Cash, proceeds from dispositions held in escrow, or contingent liability		28,283
Business Combination, Contingent Consideration, Liability		10,000	$ 9,800	$ 9,800
Pecan Park [Member]
Business Acquisition [Line Items]
Investment in property		7,000
Inventory of manufactured homes		0
In-place leases and other intangible assets		0
Total identifiable assets acquired and liabilities assumed		7,000
Cash, proceeds from dispositions held in escrow, or contingent liability		7,000
Hill Country [Member]
Business Acquisition [Line Items]
Investment in property		29,990
Inventory of manufactured homes		0
In-place leases and other intangible assets		10
Total identifiable assets acquired and liabilities assumed		30,000
Cash, proceeds from dispositions held in escrow, or contingent liability		30,000
Kimberly Estates [Member]
Business Acquisition [Line Items]
Investment in property		7,313
Inventory of manufactured homes		97
In-place leases and other intangible assets		340
Total identifiable assets acquired and liabilities assumed		7,750
Cash, proceeds from dispositions held in escrow, or contingent liability		7,750
Acquisitions - 2016 [Member]
Business Acquisition [Line Items]
Investment in property		89,592
Inventory of manufactured homes		97
In-place leases and other intangible assets		520
Total identifiable assets acquired and liabilities assumed		90,209
Cash, proceeds from dispositions held in escrow, or contingent liability		$ 89,699