Equity - Preferred Shares Tendered and Common Shares Issued (Details) - shares shares in Thousands		12 Months Ended
	Nov. 25, 2020	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Preferred Shares Tendered | Privately Negotiated Exchange Agreements
Class of Stock [Line Items]
Shares tendered and issued (in shares)			8,647	544
Preferred Shares Tendered | Prior Exchange Offers
Class of Stock [Line Items]
Shares tendered and issued (in shares)				6,880
Common Shares Initially Issued | Privately Negotiated Exchange Agreements
Class of Stock [Line Items]
Shares tendered and issued (in shares)			61,498	2,788
Common Shares Initially Issued | Prior Exchange Offers
Class of Stock [Line Items]
Shares tendered and issued (in shares)				38,389
Common Shares Issued
Class of Stock [Line Items]
Shares tendered and issued (in shares)			(7,776)	4,117
Common Shares Issued | Privately Negotiated Exchange Agreements
Class of Stock [Line Items]
Shares tendered and issued (in shares)			7,776	279
Common Shares Issued | Prior Exchange Offers
Class of Stock [Line Items]
Shares tendered and issued (in shares)				3,839
Preferred Stock, Series D
Class of Stock [Line Items]
Preferred stock percentage		8.45%
Preferred Stock, Series D | Preferred Shares Tendered
Class of Stock [Line Items]
Shares tendered and issued (in shares)			(617)	598
Preferred Stock, Series D | Preferred Shares Tendered | Privately Negotiated Exchange Agreements
Class of Stock [Line Items]
Shares tendered and issued (in shares)			617	23
Preferred Stock, Series D | Preferred Shares Tendered | Prior Exchange Offers
Class of Stock [Line Items]
Shares tendered and issued (in shares)				575
Preferred Stock, Series D | Common Shares Initially Issued | Privately Negotiated Exchange Agreements
Class of Stock [Line Items]
Shares tendered and issued (in shares)			4,174	131
Preferred Stock, Series D | Common Shares Initially Issued | Prior Exchange Offers
Class of Stock [Line Items]
Shares tendered and issued (in shares)				3,211
Preferred Stock, Series D | Common Shares Issued | Privately Negotiated Exchange Agreements
Class of Stock [Line Items]
Shares tendered and issued (in shares)			653	13
Preferred Stock, Series D | Common Shares Issued | Prior Exchange Offers
Class of Stock [Line Items]
Shares tendered and issued (in shares)				321
Preferred Stock, Series F
Class of Stock [Line Items]
Preferred stock percentage		7.375%
Preferred Stock, Series F | Preferred Shares Tendered
Class of Stock [Line Items]
Shares tendered and issued (in shares)			1,640	1,909
Preferred Stock, Series F | Preferred Shares Tendered | Privately Negotiated Exchange Agreements
Class of Stock [Line Items]
Shares tendered and issued (in shares)			1,640	154
Preferred Stock, Series F | Preferred Shares Tendered | Prior Exchange Offers
Class of Stock [Line Items]
Shares tendered and issued (in shares)				1,755
Preferred Stock, Series F | Common Shares Initially Issued | Privately Negotiated Exchange Agreements
Class of Stock [Line Items]
Shares tendered and issued (in shares)			11,185	795
Preferred Stock, Series F | Common Shares Initially Issued | Prior Exchange Offers
Class of Stock [Line Items]
Shares tendered and issued (in shares)				9,791
Preferred Stock, Series F | Common Shares Issued | Privately Negotiated Exchange Agreements
Class of Stock [Line Items]
Shares tendered and issued (in shares)			1,482	80
Preferred Stock, Series F | Common Shares Issued | Prior Exchange Offers
Class of Stock [Line Items]
Shares tendered and issued (in shares)				979
Preferred Stock, Series G
Class of Stock [Line Items]
Preferred stock percentage		7.375%
Preferred Stock, Series G | Preferred Shares Tendered
Class of Stock [Line Items]
Shares tendered and issued (in shares)			2,891	1,777
Preferred Stock, Series G | Preferred Shares Tendered | Privately Negotiated Exchange Agreements
Class of Stock [Line Items]
Shares tendered and issued (in shares)			2,891	114
Preferred Stock, Series G | Preferred Shares Tendered | Prior Exchange Offers
Class of Stock [Line Items]
Shares tendered and issued (in shares)				1,663
Preferred Stock, Series G | Common Shares Initially Issued | Privately Negotiated Exchange Agreements
Class of Stock [Line Items]
Shares tendered and issued (in shares)			21,371	573
Preferred Stock, Series G | Common Shares Initially Issued | Prior Exchange Offers
Class of Stock [Line Items]
Shares tendered and issued (in shares)				9,279
Preferred Stock, Series G | Common Shares Issued | Privately Negotiated Exchange Agreements
Class of Stock [Line Items]
Shares tendered and issued (in shares)			2,764	57
Preferred Stock, Series G | Common Shares Issued | Prior Exchange Offers
Class of Stock [Line Items]
Shares tendered and issued (in shares)				928
Preferred Stock, Series H
Class of Stock [Line Items]
Preferred stock percentage	7.50%	7.50%
Preferred Stock, Series H | Preferred Shares Tendered
Class of Stock [Line Items]
Shares tendered and issued (in shares)			1,361	1,131
Preferred Stock, Series H | Preferred Shares Tendered | Privately Negotiated Exchange Agreements
Class of Stock [Line Items]
Shares tendered and issued (in shares)			1,361	102
Preferred Stock, Series H | Preferred Shares Tendered | Prior Exchange Offers
Class of Stock [Line Items]
Shares tendered and issued (in shares)				1,029
Preferred Stock, Series H | Common Shares Initially Issued | Privately Negotiated Exchange Agreements
Class of Stock [Line Items]
Shares tendered and issued (in shares)			10,033	515
Preferred Stock, Series H | Common Shares Initially Issued | Prior Exchange Offers
Class of Stock [Line Items]
Shares tendered and issued (in shares)				5,742
Preferred Stock, Series H | Common Shares Issued | Privately Negotiated Exchange Agreements
Class of Stock [Line Items]
Shares tendered and issued (in shares)			1,217	52
Preferred Stock, Series H | Common Shares Issued | Prior Exchange Offers
Class of Stock [Line Items]
Shares tendered and issued (in shares)				574
Preferred Stock, Series I
Class of Stock [Line Items]
Preferred stock percentage	7.50%	7.50%
Preferred Stock, Series I | Preferred Shares Tendered
Class of Stock [Line Items]
Shares tendered and issued (in shares)			2,138	2,009
Preferred Stock, Series I | Preferred Shares Tendered | Privately Negotiated Exchange Agreements
Class of Stock [Line Items]
Shares tendered and issued (in shares)			2,138	151
Preferred Stock, Series I | Preferred Shares Tendered | Prior Exchange Offers
Class of Stock [Line Items]
Shares tendered and issued (in shares)				1,858
Preferred Stock, Series I | Common Shares Initially Issued | Privately Negotiated Exchange Agreements
Class of Stock [Line Items]
Shares tendered and issued (in shares)			14,735	774
Preferred Stock, Series I | Common Shares Initially Issued | Prior Exchange Offers
Class of Stock [Line Items]
Shares tendered and issued (in shares)				10,366
Preferred Stock, Series I | Common Shares Issued | Privately Negotiated Exchange Agreements
Class of Stock [Line Items]
Shares tendered and issued (in shares)			1,660	77
Preferred Stock, Series I | Common Shares Issued | Prior Exchange Offers
Class of Stock [Line Items]
Shares tendered and issued (in shares)				1,037