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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, 2019 USD ($) site | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($)
Schedule of Equity Method Investments |  |  |
Number of Sites | site | 5,942 |  |
Investment in unconsolidated joint ventures | $ 20,074 | $ 57,755 |
Equity in income of unconsolidated joint ventures | $ 8,755 | 4,939 | $ 3,765
Meadows Investments | Various |  |  |
Schedule of Equity Method Investments |  |  |
Number of Sites | site | 1,077 |  |
Economic Interest (in percentage) | 50.00% |  |
Investment in unconsolidated joint ventures | $ 146 | 346 |
Equity in income of unconsolidated joint ventures | $ 1,400 | 1,839 | 2,197
Lakeshore Investments | Florida |  |  |
Schedule of Equity Method Investments |  |  |
Number of Sites | site | 721 |  |
Economic Interest (in percentage) | 65.00% |  |
Investment in unconsolidated joint ventures | $ 2,467 | 2,263 |
Equity in income of unconsolidated joint ventures | $ 263 | 22 | 115
Voyager Investments | Arizona |  |  |
Schedule of Equity Method Investments |  |  |
Number of Sites | site | 1,801 |  |
Economic Interest (in percentage) | 50.00% |  |
Investment in unconsolidated joint ventures | $ 599 | 3,135 |
Equity in income of unconsolidated joint ventures | $ 2,951 | 995 | 891
Loggerhead | Florida |  |  |
Schedule of Equity Method Investments |  |  |
Number of Sites | site | 2,343 |  |
Economic Interest (in percentage) | 0.00% |  |
Investment in unconsolidated joint ventures | $ 0 | 35,789 |
Equity in income of unconsolidated joint ventures | $ 3,501 | 1,486 | 230
ECHO Financing | Various |  |  |
Schedule of Equity Method Investments |  |  |
Number of Sites | site | 0 |  |
Economic Interest (in percentage) | 50.00% |  |
Investment in unconsolidated joint ventures | $ 16,862 | 16,222 |
Equity in income of unconsolidated joint ventures | $ 640 | $ 597 | $ 332

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