Investment in Unconsolidated Joint Ventures - Additional Information (Detail) $ in Thousands	3 Months Ended
Mar. 31, 2017 USD ($) site	Mar. 31, 2016 USD ($)	Dec. 31, 2016 USD ($)
Schedule of Equity Method Investments [Line Items]
Equity in income of unconsolidated joint ventures	$ 1,150	$ 881
Distributions, including those in excess of basis	200
Investment in unconsolidated joint ventures	$ 0	5,000
Number of Sites \| site	3,222
Distributions of income from unconsolidated joint ventures	$ 1,115	553
Investments	19,187		$ 19,369
Other Regions \| Meadows Investments
Schedule of Equity Method Investments [Line Items]
Equity in income of unconsolidated joint ventures	$ 548	246
Number of Sites \| site	1,077
Ownership percentage ( in percentage)	50.00%
Investments	$ 208		510
Other Regions \| ECHO Financing
Schedule of Equity Method Investments [Line Items]
Equity in income of unconsolidated joint ventures	$ 25	13
Number of Sites \| site	0
Ownership percentage ( in percentage)	50.00%
Investments	$ 15,318		15,427
Florida \| Lakeshore Investments
Schedule of Equity Method Investments [Line Items]
Equity in income of unconsolidated joint ventures	$ 77	83
Number of Sites \| site	344
Ownership percentage ( in percentage)	65.00%
Investments	$ 59		56
Arizona \| Voyager Investments
Schedule of Equity Method Investments [Line Items]
Equity in income of unconsolidated joint ventures	$ 500	$ 539
Number of Sites \| site	1,801
Ownership percentage ( in percentage)	50.00%
Investments	$ 3,602		$ 3,376
Recreational Vehicle Resort \| Voyager Investments
Schedule of Equity Method Investments [Line Items]
Ownership percentage ( in percentage)	50.00%
Servicing Assets \| Voyager Investments
Schedule of Equity Method Investments [Line Items]
Ownership percentage ( in percentage)	33.00%

The number of joint venture sites.

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Proceeds from Equity Investment, Distributions, including those in excess of basis

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This item represents disclosure of the amount of dividends or other distributions received from unconsolidated subsidiaries, certain corporate joint ventures, and certain noncontrolled corporation; these investments are accounted for under the equity method of accounting. This element excludes distributions that constitute a return of investment, which are classified as investing activities.

+ References

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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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Total investments in (A) an entity in which the entity has significant influence, but does not have control, (B) subsidiaries that are not required to be consolidated and are accounted for using the equity and or cost method, and (C) an entity in which the reporting entity shares control of the entity with another party or group. Includes long-term advances receivable from a party that is affiliated with the reporting entity by means of direct or indirect ownership.

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The cash outflow associated with the investment in or advances to an entity in which the reporting entity shares control of the entity with another party or group.

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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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