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Investment in Unconsolidated Joint Ventures - Additional Information (Detail) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2015 USD ($) site | Jun. 30, 2014 USD ($) | Jun. 30, 2015 USD ($) site | Jun. 30, 2014 USD ($) | Dec. 31, 2014 USD ($)
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Adjustment depreciation |  |  | $ 500 | $ 500 |
Distributions of income from unconsolidated joint ventures |  |  | 1,161 | 1,669 |
Distributions, including those in excess of basis |  |  |  | 1,700 |
Distribution in excess of basis |  |  |  | 1,100 |
Additional Investments in Joint Ventures |  |  | $ 4,000 | 2,485 |
Number Of Joint Venture Sites | site | 3,125 |  | 3,125 |  |
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures | $ 17,963 |  | $ 17,963 |  | $ 13,512
Equity in income of unconsolidated joint ventures | $ 840 | $ 644 | $ 1,724 | 2,531 |
Other Regions | Meadows Investments |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Number Of Joint Venture Sites | site | 1,077 |  | 1,077 |  |
Equity Method Investment, Ownership Percentage | 50.00% |  | 50.00% |  |
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures | $ 178 |  | $ 178 |  | 0
Equity in income of unconsolidated joint ventures |  |  | $ 742 | 600 |
Other Regions | ECHO Financing |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Number Of Joint Venture Sites | site | 0 |  | 0 |  |
Equity Method Investment, Ownership Percentage | 50.00% |  | 50.00% |  |
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures | $ 10,367 |  | $ 10,367 |  | 6,302
Investment in unconsolidated joint ventures | $ 10,000 |  | 10,000 |  |
Equity in income of unconsolidated joint ventures |  |  | $ 65 | 18 |
Florida | Lakeshore Investments |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Number Of Joint Venture Sites | site | 342 |  | 342 |  |
Equity Method Investment, Ownership Percentage | 65.00% |  | 65.00% |  |
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures | $ 73 |  | $ 73 |  | 9
Equity in income of unconsolidated joint ventures |  |  | $ 177 | 1,213 |
Arizona | Voyager Investments |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Number Of Joint Venture Sites | site | 1,706 |  | 1,706 |  |
Equity Method Investment, Ownership Percentage | 50.00% |  | 50.00% |  |
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures | $ 7,345 |  | $ 7,345 |  | $ 7,201
Equity in income of unconsolidated joint ventures |  |  | $ 740 | $ 700 |
Recreational Vehicle Resort | Voyager Investments |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Equity Method Investment, Ownership Percentage | 50.00% |  | 50.00% |  |
Servicing Assets | Voyager Investments |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Equity Method Investment, Ownership Percentage | 33.00% |  | 33.00% |  |

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