Investment in Unconsolidated Joint Ventures - Summary of Unconsolidated Investments (Details) $ in Thousands	12 Months Ended
Dec. 31, 2016 USD ($) site	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Schedule of Equity Method Investments [Line Items]
Number of Sites \| site	3,222
Investment in unconsolidated joint ventures	$ 19,369	$ 17,741
Equity in income of unconsolidated joint ventures	$ 2,605	4,089	$ 4,578
Sale proceeds			100
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	$ 510	162
Equity in income of unconsolidated joint ventures	$ 1,348	1,401	2,294
Lakeshore Investments \| Florida
Schedule of Equity Method Investments [Line Items]
Number of Sites \| site	344
Economic Interest (in percentage)	65.00%
Investment in unconsolidated joint ventures	$ 56	46
Equity in income of unconsolidated joint ventures	$ 318	1,777	1,350
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	$ 3,376	7,166
Equity in income of unconsolidated joint ventures	$ 1,014	846	806
Other Investments \| Other Regions
Schedule of Equity Method Investments [Line Items]
Number of Sites \| site	0
Economic Interest (in percentage)	20.00%
Investment in unconsolidated joint ventures	$ 0	0
Equity in income of unconsolidated joint ventures	$ 0	0	25
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	$ 15,427	10,367
Equity in income of unconsolidated joint ventures	$ (75)	$ 65	$ 103
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%
Other Regions \| Other Investments
Schedule of Equity Method Investments [Line Items]
Economic Interest (in percentage)			20.00%

The number of joint venture sites.

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition

The cash inflow associated with the sale of equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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