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Loan Receivable, Stated Interest Rate

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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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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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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.

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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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For an unclassified balance sheet, reflects the carrying amount of unpaid loan amounts due from related parties at the balance sheet date.

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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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Investment in Unconsolidated Joint Ventures - Additional Information (Detail)		3 Months Ended		6 Months Ended
	Jun. 15, 2017 USD ($) joint_venture_site	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2017 joint_venture_site	Jun. 30, 2017	Jun. 30, 2017 site	Dec. 31, 2016 USD ($)
Schedule of Equity Method Investments [Line Items]
Investments				$ 2,267,000	$ 5,000,000
Loans receivable	$ 13,800,000.00
Loans receivable, interest rate (percentage)	5.00%
Number of Sites						2		3,598
Ownership percentage ( in percentage)							65.00%
Investment in unconsolidated joint ventures		$ 21,766,000		21,766,000					$ 19,369,000
Equity in income of unconsolidated joint ventures		1,040,000	$ 765,000	2,190,000	1,646,000
Distributions of income from unconsolidated joint ventures				1,800,000	1,041,000
Distributions, including those in excess of basis		300,000		500,000
Crosswinds
Schedule of Equity Method Investments [Line Items]
Investments	$ 2,200,000
Ownership percentage ( in percentage)	49.00%						49.00%
Other Regions \| Meadows Investments
Schedule of Equity Method Investments [Line Items]
Number of Sites \| site								1,077
Ownership percentage ( in percentage)							50.00%
Investment in unconsolidated joint ventures		240,000		240,000					510,000
Equity in income of unconsolidated joint ventures				1,130,000	577,000
Other Regions \| ECHO Financing
Schedule of Equity Method Investments [Line Items]
Number of Sites \| site								0
Ownership percentage ( in percentage)							50.00%
Investment in unconsolidated joint ventures		15,406,000		15,406,000					15,427,000
Equity in income of unconsolidated joint ventures				113,000	(8,000)
Florida \| Lakeshore Investments
Schedule of Equity Method Investments [Line Items]
Number of Sites \| site								720
Investment in unconsolidated joint ventures		2,321,000		2,321,000					56,000
Equity in income of unconsolidated joint ventures				147,000	160,000
Arizona \| Voyager Investments
Schedule of Equity Method Investments [Line Items]
Number of Sites \| site								1,801
Ownership percentage ( in percentage)							50.00%
Investment in unconsolidated joint ventures		$ 3,799,000		3,799,000					$ 3,376,000
Equity in income of unconsolidated joint ventures				$ 800,000	$ 917,000
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%
Corporate Joint Venture \| Crosswinds
Schedule of Equity Method Investments [Line Items]
Number of sites acquired \| joint_venture_site	376
Purchase price	$ 18,400,000