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Investment in Unconsolidated Joint Ventures - Narratives (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2018 USD ($)	Dec. 31, 2019 USD ($) site	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Schedule of Equity Method Investments
Equity in income from unconsolidated joint ventures		$ 8,755	$ 4,939	$ 3,765
Adjustment depreciation		1,200	1,800	1,500
Distributions in excess of basis	$ 4,500	11,500		3,800
Distributions, including those in excess of basis		$ 3,500	200	800
Number of Sites \| site		5,942
Lakeshore Investments \| Florida
Schedule of Equity Method Investments
Ownership interest (in percentage)		65.00%
Equity in income from unconsolidated joint ventures		$ 263	22	115
Number of Sites \| site		721
Lakeshore Investments \| Crosswinds \| Florida
Schedule of Equity Method Investments
Ownership interest (in percentage)		49.00%
Number of Sites \| site		2
Voyager Investments \| Arizona
Schedule of Equity Method Investments
Ownership interest (in percentage)		50.00%
Equity in income from unconsolidated joint ventures		$ 2,951	$ 995	$ 891
Number of Sites \| site		1,801
Voyager Investments \| Arizona \| Recreational Vehicle Resort
Schedule of Equity Method Investments
Ownership interest (in percentage)		50.00%
Voyager Investments \| Arizona \| Servicing Assets
Schedule of Equity Method Investments
Ownership interest (in percentage)		33.00%