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
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect of change in accounting principle	$ 1,018,413	$ 1,968	$ 4,151,147	$ (64,940)	$ (3,069,272)	$ (55,885)	$ (490)
Balances at beginning of period at Dec. 31, 2018	1,018,413	1,968	4,151,147	(64,940)	(3,069,272)	(55,885)	(490)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock under Associate Stock Purchase Plan		2	1,160
Restricted stock and restricted stock units, net		31	(31)
Shares withheld for employee taxes		(5)	(3,308)
Compensation expense related to restricted stock grants			23,026
Purchase of capped call transactions			0
Issuance of warrants			0
Other, net			105
Purchase of treasury stock	(19,710)			(19,711)
Net income (loss)	(268,492)				(267,931)		(561)
Noncontrolling interest contribution							6,566
Noncontrolling interest distribution							(3,146)
Balances at end of period at Dec. 31, 2019	$ 698,725	$ 1,996	4,172,099	(84,651)	(3,393,088)	(115)	2,369
Balances at beginning of period (in shares) at Dec. 31, 2018		192,356,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock under Associate Stock Purchase Plan (in shares)		181,000
Restricted stock and restricted stock units, net (in shares)		3,073,000
Shares withheld for employee taxes (in shares)		(476,000)
Purchase of treasury stock (in shares)	(3,005,000)	(3,005,000)
Balances at end of period (in shares) at Dec. 31, 2019		192,129,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect of change in accounting principle	$ 698,725	$ 1,996	4,172,099	(84,651)	(3,393,088)	(115)	2,369
Issuance of common stock under Associate Stock Purchase Plan		2	638
Restricted stock and restricted stock units, net		(9)	9
Shares withheld for employee taxes		(6)	(4,037)
Compensation expense related to restricted stock grants			20,747
Purchase of capped call transactions			0
Issuance of warrants			22,883
Other, net			70
Purchase of treasury stock	(18,123)			(18,123)
Net income (loss)	81,945				82,019		(74)
Noncontrolling interest contribution							0
Noncontrolling interest distribution							0
Balances at end of period at Dec. 31, 2020	$ 802,729	$ 1,983	4,212,409	(102,774)	(3,311,184)	0	2,295
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)	(3,063,000)	(3,063,000)
Balances at end of period (in shares) at Dec. 31, 2020	187,804,138	187,804,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect of change in accounting principle	$ 802,729	$ 1,983	4,212,409	(102,774)	(3,311,184)	$ 0	2,295
Issuance of common stock under Associate Stock Purchase Plan		0	699
Restricted stock and restricted stock units, net		(1)	1
Shares withheld for employee taxes		(7)	(4,813)
Compensation expense related to restricted stock grants			16,270
Purchase of capped call transactions			(15,916)
Issuance of warrants			0
Other, net			25
Purchase of treasury stock				0
Net income (loss)	(99,364)				(99,290)		(74)
Noncontrolling interest contribution							0
Noncontrolling interest distribution							0
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]
Cumulative effect of change in accounting principle	$ 699,623	$ 1,975	$ 4,208,675	$ (102,774)	$ (3,410,474)		$ 2,221