Condensed Financial Information Of Parent Company Condensed Financial Information Of Parent Company (Details 2) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Condensed Financial Statements, Captions [Line Items]
Net (loss) earnings		$ 1,899,137	$ (423,613)	$ (606,959)
Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract]
Increase in other assets		(214,614)	(83,666)	(97,181)
Net Cash Provided by (Used in) Financing Activities [Abstract]
Restricted stock surrendered			(9,531)	(8,505)
Common stock dividends paid			(120,256)	(119,443)
Cash acquired in acquisitions, net of cash consideration paid		335,319	0	3,757,122
Common stock ($0.01 par value, 200,000,000 shares authorized at December 31, 2023 and 2022; 122,105,853 and 123,000,557 shares issued, respectively, includes 2,312,080 and 2,312,080 shares of unvested restricted stock, respectively)		382,900	0	0
Parent Only
Condensed Financial Statements, Captions [Line Items]
Net (loss) earnings		(1,899,137)	(423,613)	(606,959)
Depreciation, Depletion and Amortization		378	0	0
Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract]
Increase in other assets		(466,018)	(323,852)	(67,242)
Increase (Decrease) in Operating Liabilities		20,907	(5,658)	5,714
Earned stock compensation		28,697	34,769	32,223
Income (Loss) from Equity Method Investments, Net of Dividends or Distributions		1,934,559	304,004	400,632
Net cash provided by operating activities		(380,614)	(175,132)	177,022
Net Cash Provided by (Used in) Investing Activities [Abstract]
Net Cash Provided by (Used in) Investing Activities, Continuing Operations		26,310	0	0
Net Cash Provided by (Used in) Financing Activities [Abstract]
Restricted stock surrendered		(5,419)	(9,531)	(8,505)
Net cash provided by (used in) financing activities		288,881	349,390	(127,948)
Net Cash Provided by (Used in) Continuing Operations		(65,423)	174,258	49,074
Cash and Cash Equivalents, at Carrying Value	$ 351,181	285,758	351,181	176,923	$ 127,849
Net proceeds from preferred stock offering		0	498,516	0
Payments for Repurchase of Common Stock		69	0	0
Preferred stock dividends paid		(39,788)	(19,339)	0
Common stock dividends paid		(48,881)	(120,256)	(119,443)
Cash acquired in acquisitions, net of cash consideration paid	$ 0	26,310		0
Common stock ($0.01 par value, 200,000,000 shares authorized at December 31, 2023 and 2022; 122,105,853 and 123,000,557 shares issued, respectively, includes 2,312,080 and 2,312,080 shares of unvested restricted stock, respectively)		$ 382,900	$ 0	$ 0