CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In- Capital	Treasury Stock	Accumulated Deficit	Accumulated Deficit Cumulative Effect, Period of Adoption, Adjustment	Noncontrolling Interest
Balances at beginning of period at Dec. 31, 2019	$ 698,725	$ 1,996	$ 4,172,099	$ (84,651)	$ (3,393,088)	$ (115)	$ 2,369
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Compensation expense related to restricted stock grants			20,747
Issuance of common stock under Associate Stock Purchase Plan		2	638
Issuance of warrants			22,883
Restricted stock and restricted stock units, net		(9)	9
Shares withheld for employee taxes		(6)	(4,037)
Other, net			70
Purchase of treasury stock	(18,100)			(18,123)
Net income (loss)	81,945				82,019		(74)
Balances at end of period at Dec. 31, 2020	$ 802,729	$ 1,983	4,212,409	(102,774)	(3,311,184)		2,295
Balances at beginning of period (in shares) at Dec. 31, 2019		192,129,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock under Associate Stock Purchase Plan (in shares)		224,000
Restricted stock and restricted stock units, net (in shares)		(830,000)
Shares withheld for employee taxes (in shares)		(656,000)
Purchase of treasury stock (in shares)	(3,100,000)	(3,063,000)
Balances at end of period (in shares) at Dec. 31, 2020		187,804,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Compensation expense related to restricted stock grants			16,270
Issuance of common stock under Associate Stock Purchase Plan			699
Purchase of capped call transactions			(15,916)
Restricted stock and restricted stock units, net		$ (1)	1
Shares withheld for employee taxes		(7)	(4,813)
Other, net			25
Net income (loss)	$ (99,364)				(99,290)		(74)
Balances at end of period at Dec. 31, 2021	$ 699,623	$ 1,975	4,208,675	(102,774)	(3,410,474)		2,221
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock under Associate Stock Purchase Plan (in shares)		124,000
Restricted stock and restricted stock units, net (in shares)		(159,000)
Shares withheld for employee taxes (in shares)		(811,000)
Purchase of treasury stock (in shares)	0
Balances at end of period (in shares) at Dec. 31, 2021	186,957,793	186,958,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Compensation expense related to restricted stock grants			14,466
Issuance of tangible equity units, net of issuance costs			113,457
Restricted stock and restricted stock units, net		$ 9	(9)
Shares withheld for employee taxes		(6)	(4,287)
Net income (loss)	$ (238,340)				(238,427)		87
Noncontrolling interest distribution							(760)
Balances at end of period at Dec. 31, 2022	$ 584,153	$ 1,978	$ 4,332,302	$ (102,774)	$ (3,648,901)		$ 1,548
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Restricted stock and restricted stock units, net (in shares)		911,000
Shares withheld for employee taxes (in shares)		(620,000)
Purchase of treasury stock (in shares)	0
Balances at end of period (in shares) at Dec. 31, 2022	187,249,466	187,249,000