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v3.19.2

Unconsolidated Affiliates and Noncontrolling Interests - Narrative (Details) $ in Thousands | 1 Months Ended | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
May 31, 2019 USD ($) | Jan. 31, 2019 USD ($) | Jun. 30, 2019 USD ($) entity | Jun. 30, 2018 USD ($) | Jun. 30, 2019 USD ($) entity | Jun. 30, 2018 USD ($)
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Number of equity method investment entities | entity |  |  | 22 |  | 22 |
Number of joint ventures | entity |  |  | 15 |  | 15 |
Number of variable interest entities | entity |  |  |  |  | 19 |
Gain on sales of real estate assets | $ |  |  | $ 5,527 | $ 3,747 | $ 5,755 | $ 8,118
Minimum |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Equity interest in real estate property (as a percent) |  |  | 10.00% |  | 10.00% |
Ownership in variable interest entity (as a percent) |  |  |  |  | 50.00% |
Maximum |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Equity interest in real estate property (as a percent) |  |  | 65.00% |  | 65.00% |
Ownership in variable interest entity (as a percent) |  |  |  |  | 95.00% |
Bullseye, LLC |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Ownership in variable interest entity (as a percent) |  |  |  |  | 20.00% |
Parkdale Self Storage, LLC |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Equity interest in real estate property (as a percent) |  |  | 50.00% |  | 50.00% |
Gain on sales of real estate assets | $ | $ 433 |  |  |  |  |
Bullseye, LLC |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Payments to acquire land | $ |  | $ 3,310 |  |  |  |

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