Equity - Preferred Stock Outstanding and Dividends (Details) - $ / shares	3 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Class of Stock [Line Items]
Preferred stock, outstanding (in shares)	29,600,000	29,600,000
Series E Cumulative Redeemable Preferred Shares
Class of Stock [Line Items]
Preferred stock, dividend rate, percentage	6.375%
Preferred stock, outstanding (in shares)	4,400,000	4,400,000
Dividend per share/unit (in usd per share)	$ 0.40
Series F Cumulative Redeemable Preferred Shares
Class of Stock [Line Items]
Preferred stock, dividend rate, percentage	6.30%
Preferred stock, outstanding (in shares)	6,000,000	6,000,000
Dividend per share/unit (in usd per share)	$ 0.39
Series G Cumulative Redeemable Preferred Shares
Class of Stock [Line Items]
Preferred stock, dividend rate, percentage	6.375%
Preferred stock, outstanding (in shares)	9,200,000	9,200,000
Dividend per share/unit (in usd per share)	$ 0.40
Series H Cumulative Redeemable Preferred Stock
Class of Stock [Line Items]
Preferred stock, dividend rate, percentage	5.70%
Preferred stock, outstanding (in shares)	10,000,000	10,000,000
Dividend per share/unit (in usd per share)	$ 0.36