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Lessor Operating Leases (Details) $ in Thousands | Mar. 31, 2019 USD ($) Property | Dec. 31, 2018 USD ($)
--- | --- | ---
Lessor, Lease, Description [Line Items] |  |
Number of industrial properties | Property | 458 |
Lessor, Operating Lease, Payments, Fiscal Year Maturity [Abstract] |  |
Remainder of 2019 | $ 234,032 |
2020 | 297,322 |
2021 | 254,001 |
2022 | 214,069 |
2023 | 177,644 |
Thereafter | 467,827 |
Total | $ 1,644,895 |
Operating Leases, Future Minimum Payments Receivable [Abstract] |  |
2019 |  | $ 305,689
2020 |  | 288,817
2021 |  | 244,743
2022 |  | 205,097
2023 |  | 169,243
Thereafter |  | 451,151
Total |  | $ 1,664,740
Leases with purchase options [Member] |  |
Lessor, Lease, Description [Line Items] |  |
Number of industrial properties | Property | 5 |

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