The number of joint venture sites.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

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Amount of investment in equity method investee and investment in and advance to affiliate.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Investment in Unconsolidated Joint Ventures - Summary of Unconsolidated Investments (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2018 jointventure	Dec. 31, 2018 site	Aug. 08, 2017
Schedule of Equity Method Investments [Line Items]
Number of Sites					2	5,941
Economic Interest (in percentage)							49.00%
Investment in unconsolidated joint ventures		$ 53,080		$ 57,755
Equity in income of unconsolidated joint ventures	$ 4,939	3,765	$ 2,605
Meadows Investments \| Other Regions
Schedule of Equity Method Investments [Line Items]
Number of Sites \| site						1,077
Economic Interest (in percentage)	50.00%
Investment in unconsolidated joint ventures		307		346
Equity in income of unconsolidated joint ventures	$ 1,839	2,197	1,348
Lakeshore Investments
Schedule of Equity Method Investments [Line Items]
Economic Interest (in percentage)	65.00%
Lakeshore Investments \| Florida
Schedule of Equity Method Investments [Line Items]
Number of Sites \| site						720
Investment in unconsolidated joint ventures		2,530		2,263
Equity in income of unconsolidated joint ventures	$ 22	115	318
Crosswinds
Schedule of Equity Method Investments [Line Items]
Economic Interest (in percentage)	49.00%
Voyager Investments \| Arizona
Schedule of Equity Method Investments [Line Items]
Number of Sites \| site						1,801
Economic Interest (in percentage)	50.00%
Investment in unconsolidated joint ventures		3,205		3,135
Equity in income of unconsolidated joint ventures	$ 995	891	1,014
Loggerhead \| Other Regions
Schedule of Equity Method Investments [Line Items]
Number of Sites \| site						2,343
Economic Interest (in percentage)	49.00%
Investment in unconsolidated joint ventures		31,414		35,789
Equity in income of unconsolidated joint ventures	$ 1,486	230	0
ECHO Financing \| Other Regions
Schedule of Equity Method Investments [Line Items]
Number of Sites \| site						0
Economic Interest (in percentage)	50.00%
Investment in unconsolidated joint ventures		15,624		$ 16,222
Equity in income of unconsolidated joint ventures	$ 597	$ 332	$ (75)
Servicing Assets \| Voyager Investments
Schedule of Equity Method Investments [Line Items]
Economic Interest (in percentage)	33.00%
Recreational Vehicle Resort \| Voyager Investments
Schedule of Equity Method Investments [Line Items]
Economic Interest (in percentage)	50.00%