Real Estate Acquisitions, Schedule of Other Acquisitions Purchase Price Allocation (Details) - USD ($) $ in Thousands		1 Months Ended	3 Months Ended	9 Months Ended	12 Months Ended
	Jun. 09, 2016	Sep. 30, 2017	Sep. 30, 2017	Sep. 30, 2017	Dec. 31, 2016
At acquistion date
Investment in property		$ 90,533	$ 90,533	$ 90,533
Notes receivable		23	23	23
Inventory of manufactured homes		486	486	486
In-place leases		1,710	1,710	1,710
Total identifiable assets acquired and liabilities assumed		92,752	92,752	92,752
Consideration
Cash				64,240
Equity				28,410
Liabilities assumed				5,102
Receivable due from seller				(5,000)
Total consideration transferred		26,400	2,000	92,752	$ 89,700
Lazy J Ranch [Member]
At acquistion date
Investment in property		14,300	14,300	14,300
Notes receivable		0	0	0
Inventory of manufactured homes		0	0	0
In-place leases		0	0	0
Total identifiable assets acquired and liabilities assumed		14,300	14,300	14,300
Consideration
Cash				14,300
Equity				0
Liabilities assumed				0
Receivable due from seller				0
Total consideration transferred				14,300
Ocean West [Member]
At acquistion date
Investment in property		9,673	9,673	9,673
Notes receivable		0	0	0
Inventory of manufactured homes		0	0	0
In-place leases		0	0	0
Total identifiable assets acquired and liabilities assumed		9,673	9,673	9,673
Consideration
Cash				5,081
Equity				0
Liabilities assumed				4,592
Receivable due from seller				0
Total consideration transferred				9,673
Caliente Sands [Member]
At acquistion date
Investment in property		8,850	8,850	8,850
Notes receivable		0	0	0
Inventory of manufactured homes		21	21	21
In-place leases		0	0	0
Total identifiable assets acquired and liabilities assumed		8,871	8,871	8,871
Consideration
Cash				8,871
Equity				0
Liabilities assumed				0
Receivable due from seller				0
Total consideration transferred				8,871
Pismo Dunes [Member]
At acquistion date
Investment in property		21,260	21,260	21,260
Notes receivable		0	0	0
Inventory of manufactured homes		0	0	0
In-place leases		660	660	660
Total identifiable assets acquired and liabilities assumed		21,920	21,920	21,920
Consideration
Cash				0
Equity				26,410
Liabilities assumed				510
Receivable due from seller				(5,000)
Total consideration transferred				21,920
Arbor Woods [Member]
At acquistion date
Investment in property		15,725	15,725	15,725
Notes receivable		23	23	23
Inventory of manufactured homes		465	465	465
In-place leases		730	730	730
Total identifiable assets acquired and liabilities assumed		16,943	16,943	16,943
Consideration
Cash				14,943
Equity				2,000
Liabilities assumed				0
Receivable due from seller				0
Total consideration transferred				16,943
Sunset Lakes [Member]
At acquistion date
Investment in property		7,835	7,835	7,835
Notes receivable		0	0	0
Inventory of manufactured homes		0	0	0
In-place leases		210	210	210
Total identifiable assets acquired and liabilities assumed		8,045	8,045	8,045
Consideration
Cash				8,045
Equity				0
Liabilities assumed				0
Receivable due from seller				0
Total consideration transferred				8,045
Far Horizons 49er Village [Member]
At acquistion date
Investment in property		12,890	12,890	12,890
Notes receivable		0	0	0
Inventory of manufactured homes		0	0	0
In-place leases		110	110	110
Total identifiable assets acquired and liabilities assumed		$ 13,000	$ 13,000	13,000
Consideration
Cash				13,000
Equity				0
Liabilities assumed				0
Receivable due from seller				0
Total consideration transferred				$ 13,000
Carefree Communities
At acquistion date
Investment in property	$ 1,670,981
Ground leases	33,270
Inventory of manufactured homes	13,521
In-place leases	35,010
Deferred tax liability	23,637
Other liabilities	15,665
Below market lease	29,340
Total identifiable assets acquired and liabilities assumed	1,684,140
Consideration
Total consideration transferred	$ 1,684,140