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Investment in Unconsolidated Joint Ventures - Summary of Unconsolidated Investments (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2017 USD ($) site | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($)
Schedule of Equity Method Investments [Line Items] |  |  |
Number of Sites(d) | site | 5,941 |  |
Investment in unconsolidated joint ventures | $ 53,080 | $ 19,369 |
Equity in income of unconsolidated joint ventures | $ 3,765 | 2,605 | $ 4,089
Meadows Investments | Other Regions |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Number of Sites(d) | site | 1,077 |  |
Economic Interest (in percentage) | 50.00% |  |
Investment in unconsolidated joint ventures | $ 307 | 510 |
Equity in income of unconsolidated joint ventures | $ 2,197 | 1,348 | 1,401
Lakeshore Investments | Florida |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Number of Sites(d) | site | 720 |  |
Investment in unconsolidated joint ventures | $ 2,530 | 56 |
Equity in income of unconsolidated joint ventures | $ 115 | 318 | 1,777
Voyager Investments | Arizona |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Number of Sites(d) | site | 1,801 |  |
Economic Interest (in percentage) | 50.00% |  |
Investment in unconsolidated joint ventures | $ 3,205 | 3,376 |
Equity in income of unconsolidated joint ventures | $ 891 | 1,014 | 846
Loggerhead | Other Regions |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Number of Sites(d) | site | 2,343 |  |
Economic Interest (in percentage) | 49.00% |  |
Investment in unconsolidated joint ventures | $ 31,414 | 0 |
Equity in income of unconsolidated joint ventures | $ 230 | 0 | 0
ECHO Financing | Other Regions |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Number of Sites(d) | site | 0 |  |
Economic Interest (in percentage) | 50.00% |  |
Investment in unconsolidated joint ventures | $ 15,624 | 15,427 |
Equity in income of unconsolidated joint ventures | $ 332 | $ (75) | $ 65
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% |  |

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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 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571 + Details
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- Definition 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 -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(12)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(10)) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66022249&loc=d3e33749-111570 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(13)(f)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
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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 -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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