Consolidated Statement of Equity - USD ($) $ in Thousands	Total	Parent [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Treasury Stock, Common [Member]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]
Shares, Issued			66,149,000			45,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stockholders' Equity Attributable to Parent		$ 2,526,708
Purchase of treasury shares						(106,000)
Issuance of treasury shares			0			112,000
Stockholders' Equity Beginning, Including Portion Attributable to Noncontrolling Interest at Dec. 31, 2018			$ 661	$ 2,519,423	$ 8,727	$ (2,103)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Purchase of treasury shares		4,003				(4,003)
Share-based Compensation expense	$ 23,837			23,835
Issuance of treasury shares		0		(4,505)		4,505
Net income (Loss) attributable to shareholders	(56,672)	(56,672)			(56,672)
Stock Issued During Period, Shares, Restricted Stock Award, Gross			213,000
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture		23,837	$ 2
Stockholders' Equity Ending, Including Portion Attributable to Noncontrolling Interest at Dec. 31, 2019			$ 617	2,384,309	(47,945)	$ (1,474)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Repurchased and Retired During Period, Shares			(4,706,000)				4,706,000
Stock Repurchased and Retired During Period, Value	0	0	$ (46)	(154,317)			$ 154,363
Treasury Stock, Shares, Retired			(4,000)			4,000
Treasury Stock, Retired, Cost Method, Amount		0		(127)		$ 127
Stock Repurchased During Period, Shares							4,706,000
Stock Repurchased During Period, Value		(154,363)					$ (154,363)
Shares, Issued			61,652,000			35,000
Stockholders' Equity Attributable to Parent		2,335,507
Purchase of treasury shares						(457,000)
Issuance of treasury shares			0			115,000
Purchase of treasury shares		9,345				$ (9,345)
Share-based Compensation expense	22,200			19,738
Issuance of treasury shares		0		0		0
Net income (Loss) attributable to shareholders	(724,320)	(724,320)			(724,320)
Stock Issued During Period, Shares, Restricted Stock Award, Gross			530,000
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture		22,200	$ 5			2,457
Stockholders' Equity Ending, Including Portion Attributable to Noncontrolling Interest at Dec. 31, 2020			$ 998	3,387,754	(772,265)	$ (949)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Repurchased and Retired During Period, Shares			(1,266,000)				1,266,000
Stock Repurchased and Retired During Period, Value	(3)	0	$ (12)	(23,807)			$ 23,819
Stock Issued During Period, Shares, Acquisitions			39,182,000
Stock Issued During Period, Value, Acquisitions		1,015,312	$ 391	1,014,921
Treasury Stock, Shares, Retired			(339,000)			339,000
Treasury Stock, Retired, Cost Method, Amount		3		(7,407)		$ 7,413
Stock Repurchased During Period, Shares							(1,266,000)
Stock Repurchased During Period, Value		(23,819)					$ (23,819)
Shares, Issued			99,759,000			38,000
Stockholders' Equity Attributable to Parent	2,615,538	2,615,538
Purchase of treasury shares							181,000
Issuance of treasury shares			0			89,000
Purchase of treasury shares		6,038				$ 6,038
Share-based Compensation expense	23,023			20,831
Issuance of treasury shares		0		0		0
Net income (Loss) attributable to shareholders	522,311	522,311			522,311
Stock Issued During Period, Shares, Restricted Stock Award, Gross			531,000
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture		23,023	$ 5			2,187
Stockholders' Equity Ending, Including Portion Attributable to Noncontrolling Interest at Dec. 31, 2021			$ 965	3,161,941	$ (249,954)	$ (2,705)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Repurchased and Retired During Period, Shares			(3,705,000)				3,711,000
Stock Repurchased and Retired During Period, Value	$ (1)	306	$ (37)	(157,058)			$ 157,401
Treasury Stock, Shares, Retired			(117,000)			117,000
Treasury Stock, Retired, Cost Method, Amount		0		(4,156)		$ 4,157
Stock Repurchased During Period, Shares							(3,753,000)
Stock Repurchased During Period, Value		(159,463)					$ (159,463)
Dividends, Common Stock		(85,430)		$ (85,430)
Common Stock, Dividends, Per Share, Declared	$ 0.86
Shares, Issued			96,468,000			(55,000)
Stockholders' Equity Attributable to Parent	$ 2,910,247	$ 2,910,247