Condensed Consolidated Statements of Changes in Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands		Retained Earnings [Member]	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Parent [Member]	Noncontrolling Interest [Member]	Total
Balance at Dec. 31, 2019		$ (904,679)	$ 20	$ 4,318	$ 5,765,233	$ 4,864,892	$ 64,015	$ 4,928,907
Balance (in shares) at Dec. 31, 2019			20	431,815
Net (loss)/income		799,599	$ 0	$ 0	0	799,599	1,479	801,078
Redeemable noncontrolling interests income		0	0	0	0	0	(845)	(845)
Dividends declared to common and preferred shares		(183,411)	0	0	0	(183,411)	0	(183,411)
Distributions to noncontrolling interests		0	0	0	0	0	(1,018)	(1,018)
Surrender of restricted common stock		0	$ 0	$ (3)	(5,326)	(5,329)	0	(5,329)
Surrender of restricted common stock (in shares)			0	(297)
Amortization of equity awards		0	$ 0	$ 0	17,574	17,574	0	17,574
Issuance of common stock, net of issuance costs		0	$ 0	$ 9	(9)	0	0	0
Issuance of common stock, net of issuance costs (in shares)			0	921
Exercise of common stock options		0	$ 0	$ 1	980	981	0	981
Exercise of common stock options (in shares)			0	63
Contributions from noncontrolling interests		0	$ 0	$ 0	0	0	109	109
Acquisition of noncontrolling interests		0	0	0	(19,348)	(19,348)	(1,271)	(20,619)
Balance at Sep. 30, 2020		(288,491)	$ 20	$ 4,325	5,759,104	5,474,958	62,469	5,537,427
Balance (in shares) at Sep. 30, 2020			20	432,502
Balance at Jun. 30, 2020		(200,492)	$ 20	$ 4,325	5,752,658	5,556,511	61,863	5,618,374
Balance (in shares) at Jun. 30, 2020			20	432,504
Net (loss)/income		(38,394)	$ 0	$ 0	0	(38,394)	965	(37,429)
Redeemable noncontrolling interests income		0	0	0	0	0	(240)	(240)
Dividends declared to common and preferred shares		(49,605)	0	0	0	(49,605)	0	(49,605)
Distributions to noncontrolling interests		0	0	0	0	0	(119)	(119)
Surrender of restricted common stock		0	$ 0	$ 0	(4)	(4)	0	(4)
Surrender of restricted common stock (in shares)			0	(2)
Amortization of equity awards		0	$ 0	$ 0	6,450	6,450	0	6,450
Balance at Sep. 30, 2020		(288,491)	$ 20	$ 4,325	5,759,104	5,474,958	62,469	5,537,427
Balance (in shares) at Sep. 30, 2020			20	432,502
Balance at Dec. 31, 2020		(162,812)	$ 20	$ 4,325	5,766,511	5,608,044	62,210	5,670,254
Balance (in shares) at Dec. 31, 2020			20	432,519
Net (loss)/income		762,378	$ 0	$ 0	0	762,378	5,369	767,747
Redeemable noncontrolling interests income		0	0	0	0	0	(529)	(529)
Dividends declared to common and preferred shares		(270,957)	0	0	0	(270,957)	0	(270,957)
Distributions to noncontrolling interests		0	0	0	0	0	(1,879)	(1,879)
Amortization of equity awards		0	0	0	17,504	17,504	0	17,504
Issuance of common stock, net of issuance costs		0	$ 0	$ 49	76,879	76,928	0	76,928
Issuance of common stock, net of issuance costs (in shares)			0	4,958
Issuance of common stock for merger	[1]	0	$ 0	$ 1,799	3,736,936	3,738,735	0	3,738,735
Issuance of common stock for merger (in shares)	[1]		0	179,920
Surrender of common stock for taxes		0	$ 0	$ (10)	(20,816)	(20,826)	0	(20,826)
Surrender of common stock for taxes (in shares)			0	(1,115)
Exercise of common stock options		0	$ 0	$ 1	2,503	2,504	0	2,504
Exercise of common stock options (in shares)			0	132
Noncontrolling interests assumed from the merger (1)	[1]	0	$ 0	$ 0	0	0	179,037	179,037
Redemption/conversion of noncontrolling interests		0	0	0	0	0	(3,094)	(3,094)
Balance at Sep. 30, 2021		328,609	$ 20	$ 6,164	9,579,517	9,914,310	241,114	10,155,424
Balance (in shares) at Sep. 30, 2021			20	616,414
Balance at Jun. 30, 2021		(68,265)	$ 20	$ 4,335	5,771,179	5,707,269	64,946	5,772,215
Balance (in shares) at Jun. 30, 2021			20	433,517
Net (loss)/income		507,739	$ 0	$ 0	0	507,739	1,465	509,204
Redeemable noncontrolling interests income		0	0	0	0	0	(353)	(353)
Dividends declared to common and preferred shares		(110,865)	0	0	0	(110,865)	0	(110,865)
Distributions to noncontrolling interests		0	0	0	0	0	(887)	(887)
Amortization of equity awards		0	0	0	5,550	5,550	0	5,550
Issuance of common stock, net of issuance costs		0	$ 0	$ 35	76,893	76,928	0	76,928
Issuance of common stock, net of issuance costs (in shares)			0	3,516
Issuance of common stock for merger	[1]	0	$ 0	$ 1,799	3,736,936	3,738,735	0	3,738,735
Issuance of common stock for merger (in shares)	[1]		0	179,920
Surrender of common stock for taxes		0	$ 0	$ (5)	(11,575)	(11,580)	0	(11,580)
Surrender of common stock for taxes (in shares)			0	(567)
Exercise of common stock options		0	$ 0	$ 0	534	534	0	534
Exercise of common stock options (in shares)			0	28
Noncontrolling interests assumed from the merger (1)	[1]	0	$ 0	$ 0	0	0	179,037	179,037
Redemption/conversion of noncontrolling interests		0	0	0	0	0	(3,094)	(3,094)
Balance at Sep. 30, 2021		$ 328,609	$ 20	$ 6,164	$ 9,579,517	$ 9,914,310	$ 241,114	$ 10,155,424
Balance (in shares) at Sep. 30, 2021			20	616,414

[1] See Footnotes 1 and 3 of the Company's Condensed Consolidated Financial Statements for further details.