Basis of Presentation, Consolidation, Investments in Joint Ventures, and Noncontrolling Interests - Weighted Average Interests in Operating Partnership (Details) - Operating Partnership	3 Months Ended	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Parent Company’s weighted average basic interest in Operating Partnership	97.50%	97.60%	97.60%	97.60%
Limited partners' weighted average basic interests in Operating Partnership	2.50%	2.40%	2.40%	2.40%

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.

No definition available.

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