Equity Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Class of Stock [Line Items]
Income attributable to noncontrolling interests	$ (3,565)	$ (3,630)
Series D Cumulative Redeemable Preferred Stock
Class of Stock [Line Items]
Depositary shares outstanding (in shares)	3.0
Depository shares to cumulative redeemable preferred stock ratio	1.00%
Cumulative redeemable preferred stock liquidation preference (in usd per share)	$ 25.00
Annual dividend on depositary shares (in usd per share)	$ 1.53125
Percentage of redeemable preferred stock	6.125%
Series E Cumulative Redeemable Preferred Stock
Class of Stock [Line Items]
Depositary shares outstanding (in shares)	4.4
Depository shares to cumulative redeemable preferred stock ratio	1.00%
Cumulative redeemable preferred stock liquidation preference (in usd per share)	$ 25.00
Annual dividend on depositary shares (in usd per share)	$ 1.50
Percentage of redeemable preferred stock	6.00%

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Amount, before tax, of income (loss) attributable to noncontrolling interest. Includes, but is not limited to, income (loss) from continuing operations, discontinued operations and equity method investments.

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