CONSOLIDATED STATEMENT OF CHANGES IN EQUITY - USD ($) $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment	Preferred Stock	Common Stock	Additional Paid-In Capital	AOCI	Retained Earnings	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment	Total Shareholders' Equity	Total Shareholders' Equity Cumulative Effect, Period of Adoption, Adjustment	NCI
BALANCE, beginning of year (in shares) at Dec. 31, 2018			0	139,654,000
Beginning balance at Dec. 31, 2018	$ 2,980,253		$ 0	$ 1,396	$ 82,106	$ (543,531)	$ 3,294,154		$ 2,834,125		$ 146,128
Beginning balance (ASC 842) at Dec. 31, 2018		$ 20,544						$ 20,544		$ 20,544
Beginning balance (ASC 606) at Dec. 31, 2018		11,934						11,934		11,934
Increase (Decrease) in Shareholders' Equity
Net earnings (loss)	(1,553,122)						(1,522,164)		(1,522,164)		(30,958)
OCI	162,308					163,658			163,658		(1,350)
Dividends	(103,252)					304	(103,556)		(103,252)
Distributions to NCI	(33,674)										(33,674)
Capital contributions by NCI	64,646										64,646
Other NCI transactions	545				48,997				48,997		(48,452)
Stock-based plan activity (in shares)				520,000
Stock-based plan activity	33,910			$ 3	33,907				33,910
BALANCE, end of year (in shares) at Dec. 31, 2019			0	140,174,000
Ending balance at Dec. 31, 2019	1,584,092	$ (1,977)	$ 0	$ 1,399	165,314	(379,873)	1,700,912	$ (1,977)	1,487,752	$ (1,977)	96,340
Increase (Decrease) in Shareholders' Equity
Net earnings (loss)	(366,791)						(435,046)		(435,046)		68,255
OCI	(36,150)					(37,033)			(37,033)		883
Dividends	(14,120)						(14,120)		(14,120)
Distributions to NCI	(23,184)										(23,184)
Capital contributions by NCI	110,051										110,051
Other NCI transactions	(9,266)				10,099				10,099		(19,365)
Stock-based plan activity (in shares)				541,000
Stock-based plan activity	20,572			$ 5	20,527		40		20,572
BALANCE, end of year (in shares) at Dec. 31, 2020			0	140,715,000
Ending balance at Dec. 31, 2020	1,263,227		$ 0	$ 1,404	195,940	(416,906)	1,249,809		1,030,247		232,980
Increase (Decrease) in Shareholders' Equity
Net earnings (loss)	(401,746)						(440,170)		(440,170)		38,424
OCI	52,501					51,167			51,167		1,334
Issuance of CPS (in shares)			600,000
Issuance of CPS	582,000		$ 6		581,994				582,000
Dividends	(19,175)						(19,175)		(19,175)
Distributions to NCI	(108,798)										(108,798)
Capital contributions by NCI	201,847										201,847
Other NCI transactions	(30,990)				160,569				160,569		(191,559)
Stock-based plan activity (in shares)				720,000
Stock-based plan activity	27,815			$ 7	27,830		(22)		27,815
BALANCE, end of year (in shares) at Dec. 31, 2021			600,000	141,435,000
Ending balance at Dec. 31, 2021	$ 1,566,681		$ 6	$ 1,411	$ 966,333	$ (365,739)	$ 790,442		$ 1,392,453		$ 174,228