Real Estate Acquisitions, Schedule of Other Acquisitions Purchase Price Allocation (Details) - USD ($) $ in Thousands		3 Months Ended	6 Months Ended	12 Months Ended
	Jun. 09, 2016	Jun. 30, 2017	Jun. 30, 2017	Dec. 31, 2016
At acquistion date
Investment in property		$ 36,450	$ 36,450
Notes receivable		23	23
Inventory of manufactured homes		465	465
In-place leases		1,050	1,050
Total identifiable assets acquired and liabilities assumed		37,988	37,988
Consideration
Cash			35,988
Equity			2,000
Total consideration transferred		0	37,988	$ 89,700
Arbor Woods [Member]
At acquistion date
Investment in property		15,725	15,725
Notes receivable		23	23
Inventory of manufactured homes		465	465
In-place leases		730	730
Total identifiable assets acquired and liabilities assumed		16,943	16,943
Consideration
Cash			14,943
Equity			2,000
Total consideration transferred			16,943
Sunset Lakes [Member]
At acquistion date
Investment in property		7,835	7,835
Notes receivable		0	0
Inventory of manufactured homes		0	0
In-place leases		210	210
Total identifiable assets acquired and liabilities assumed		8,045	8,045
Consideration
Cash			8,045
Equity			0
Total consideration transferred			8,045
Far Horizons 49er Village [Member]
At acquistion date
Investment in property		12,890	12,890
Notes receivable		0	0
Inventory of manufactured homes		0	0
In-place leases		110	110
Total identifiable assets acquired and liabilities assumed		$ 13,000	13,000
Consideration
Cash			13,000
Equity			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