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Segment Information - Assets for Reportable Segment (Details) - USD ($) $ in Thousands | Mar. 31, 2020 | Dec. 31, 2019
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Segment Reporting, Asset Reconciling Item [Line Items] |  |
Total assets | $ 11,155,977 | $ 11,230,450
Same Store [Member] |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |
Total assets | 9,893,148 | 9,975,880
Non-Same Store and Other |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |
Total assets | 1,107,843 | 1,049,029
Corporate assets |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |
Total assets | $ 154,986 | $ 205,541

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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