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, 2020		180,091
Beginning balance at Dec. 31, 2020	$ 1,077,295	$ 18	$ 3,388,730	$ (2,295)	$ (2,309,158)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued under equity compensation plans (in shares)		5,377
Shares issued under equity compensation plans	33,238	$ 1	33,237
Stock-based compensation	94,674		94,674
Comprehensive loss	(525,699)			(1,862)	(523,837)
Ending balance (in shares) at Dec. 31, 2021		185,468
Ending 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)		3,092
Shares issued under equity compensation plans	758		758
Stock-based compensation	57,320		57,320
Comprehensive loss	$ (370,948)			(2,750)	(368,198)
Ending balance (in shares) at Dec. 31, 2022	188,560	188,560
Ending 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)		2,824
Shares issued under equity compensation plans	30		30
Stock-based compensation	33,388		33,388
Comprehensive loss	$ (269,069)			6,987	(276,056)
Ending balance (in shares) at Dec. 31, 2023	191,384	191,384
Ending balance at Dec. 31, 2023	$ 130,987	$ 19	$ 3,608,137	$ 80	$ (3,477,249)