Acquisitions and Dispositions - Property Dispositions (Details) $ in Thousands	6 Months Ended
Jun. 30, 2018 USD ($) property	Jun. 30, 2019 property_Unit
Business Acquisition [Line Items]
No. of Units \| property_Unit		10,336
Property dispositions
Business Acquisition [Line Items]
No. of Units \| property	1,161
Sales Price	$ 148,670
Gain on Sale	51,981
Non-controlling partner's portion of the gain	$ 25,140
Property dispositions \| Palm Beach Gardens, FL
Business Acquisition [Line Items]
No. of Units \| property	542
Sales Price	$ 97,200
Gain on Sale	41,830
Non-controlling partner's portion of the gain	$ 20,593
Property dispositions \| Valley, AL
Business Acquisition [Line Items]
No. of Units \| property	618
Sales Price	$ 51,000
Gain on Sale	9,712
Non-controlling partner's portion of the gain	$ 4,547
Property dispositions \| New York, NY
Business Acquisition [Line Items]
No. of Units \| property	1
Sales Price	$ 470
Gain on Sale	439
Non-controlling partner's portion of the gain	$ 0

Amount after tax of income (loss) from a discontinued operation including the portion attributable to the noncontrolling interest. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

Amount after tax of income (loss) from a discontinued operation attributable to the noncontrolling interest. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

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+ Details