CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Common Shares	Capital in Excess of Par Value	Accumulated Other Comprehensive Loss	Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2021		185,468
Beginning balance at Dec. 31, 2021	$ 679,508	$ 19	$ 3,516,641	$ (4,157)	$ (2,832,995)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued under equity compensation plans (in shares)		806
Shares issued under equity compensation plans	188		188
Stock-based compensation	20,961		20,961
Comprehensive income (loss)	(92,768)			(2,375)	(90,393)
Ending balance (in shares) at Mar. 31, 2022		186,274
Ending balance at Mar. 31, 2022	607,889	$ 19	3,537,790	(6,532)	(2,923,388)
Beginning balance (in shares) at Dec. 31, 2021		185,468
Beginning balance at Dec. 31, 2021	679,508	$ 19	3,516,641	(4,157)	(2,832,995)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss)	(253,495)
Ending balance (in shares) at Jun. 30, 2022		187,405
Ending balance at Jun. 30, 2022	458,732	$ 19	3,549,360	(8,191)	(3,082,456)
Beginning balance (in shares) at Mar. 31, 2022		186,274
Beginning balance at Mar. 31, 2022	607,889	$ 19	3,537,790	(6,532)	(2,923,388)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued under equity compensation plans (in shares)		1,131
Shares issued under equity compensation plans	467		467
Stock-based compensation	11,103		11,103
Comprehensive income (loss)	(160,727)			(1,659)	(159,068)
Ending balance (in shares) at Jun. 30, 2022		187,405
Ending balance at Jun. 30, 2022	$ 458,732	$ 19	3,549,360	(8,191)	(3,082,456)
Beginning balance (in shares) at Dec. 31, 2022	188,560	188,560
Beginning balance at Dec. 31, 2022	$ 366,638	$ 19	3,574,719	(6,907)	(3,201,193)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued under equity compensation plans (in shares)		675
Shares issued under equity compensation plans	0		0
Stock-based compensation	10,019		10,019
Comprehensive income (loss)	(135,792)			1,226	(137,018)
Ending balance (in shares) at Mar. 31, 2023		189,235
Ending balance at Mar. 31, 2023	$ 240,865	$ 19	3,584,738	(5,681)	(3,338,211)
Beginning balance (in shares) at Dec. 31, 2022	188,560	188,560
Beginning balance at Dec. 31, 2022	$ 366,638	$ 19	3,574,719	(6,907)	(3,201,193)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss)	$ (187,683)
Ending balance (in shares) at Jun. 30, 2023	190,119	190,119
Ending balance at Jun. 30, 2023	$ 196,958	$ 19	3,592,722	(6,450)	(3,389,333)
Beginning balance (in shares) at Mar. 31, 2023		189,235
Beginning balance at Mar. 31, 2023	240,865	$ 19	3,584,738	(5,681)	(3,338,211)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued under equity compensation plans (in shares)		884
Shares issued under equity compensation plans	18		18
Stock-based compensation	7,966		7,966
Comprehensive income (loss)	$ (51,891)			(769)	(51,122)
Ending balance (in shares) at Jun. 30, 2023	190,119	190,119
Ending balance at Jun. 30, 2023	$ 196,958	$ 19	$ 3,592,722	$ (6,450)	$ (3,389,333)