Consolidated Statements of Changes in Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	At The Market Offering	Private Placement	Common Stock	Common Stock At The Market Offering	Common Stock Private Placement	Additional Paid-In Capital	Additional Paid-In Capital At The Market Offering	Additional Paid-In Capital Private Placement	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)
Balances, in shares at Dec. 31, 2021				256,919
Balances at Dec. 31, 2021	$ 800,262			$ 2,569			$ 3,738,347			$ (2,939,442)	$ (1,212)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	7,682									7,682
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(4,758)										(4,758)
Common stock issued (in shares)					22,053
Common stock issued		$ 98,499			$ 220			$ 98,279
Common stock issued under stock-based compensation plans, net (in shares)				1,862
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	(1,711)			$ 19			(1,730)
Balances, in shares at Mar. 31, 2022				280,834
Balances at Mar. 31, 2022	899,974			$ 2,808			3,834,896			(2,931,760)	(5,970)
Balances, in shares at Dec. 31, 2021				256,919
Balances at Dec. 31, 2021	800,262			$ 2,569			3,738,347			(2,939,442)	(1,212)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(127,196)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	46,906
Balances, in shares at Sep. 30, 2022				280,836
Balances at Sep. 30, 2022	821,589			$ 2,808			3,839,725			(3,066,638)	45,694
Balances, in shares at Mar. 31, 2022				280,834
Balances at Mar. 31, 2022	899,974			$ 2,808			3,834,896			(2,931,760)	(5,970)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(77,434)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	32,514
Common stock issued under stock-based compensation plans, net (in shares)				(29)
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	2,127			$ 0			2,127
Balances, in shares at Jun. 30, 2022				280,805
Balances at Jun. 30, 2022	857,181			$ 2,808			3,837,023			(3,009,194)	26,544
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(57,444)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	19,150
Common stock issued under stock-based compensation plans, net (in shares)				31
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	2,702			$ 0			2,702
Balances, in shares at Sep. 30, 2022				280,836
Balances at Sep. 30, 2022	821,589			$ 2,808			3,839,725			(3,066,638)	45,694
Balances, in shares at Dec. 31, 2022				295,698
Balances at Dec. 31, 2022	889,016			$ 2,957			3,891,265			(3,017,549)	12,343
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(24,586)									(24,586)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(17,062)										(17,062)
Common stock issued (in shares)					32,862
Common stock issued		98,429			$ 329			98,100
Common stock issued under stock-based compensation plans, net (in shares)				2,482
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	739			$ 24			715
Balances, in shares at Mar. 31, 2023				331,042
Balances at Mar. 31, 2023	946,536			$ 3,310			3,990,080			(3,042,135)	(4,719)
Balances, in shares at Dec. 31, 2022				295,698
Balances at Dec. 31, 2022	889,016			$ 2,957			3,891,265			(3,017,549)	12,343
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(78,107)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(689)
Balances, in shares at Sep. 30, 2023				382,693
Balances at Sep. 30, 2023	1,048,378			$ 3,827			4,128,553			(3,095,656)	11,654
Balances, in shares at Mar. 31, 2023				331,042
Balances at Mar. 31, 2023	946,536			$ 3,310			3,990,080			(3,042,135)	(4,719)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(32,412)									(32,412)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	14,066										14,066
Common stock issued (in shares)						5,276
Common stock issued			$ 12,656			$ 53			$ 12,603
Stock Issued During Period, Shares, Other				13,941
Stock Issued During Period, Value, Other	45,468			$ 140			45,328
Common stock issued under stock-based compensation plans, net (in shares)				(92)
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	2,448			$ (1)			2,449
Balances, in shares at Jun. 30, 2023				350,167
Balances at Jun. 30, 2023	988,762			$ 3,502			4,050,460			(3,074,547)	9,347
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(21,109)									(21,109)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	2,307										2,307
Common stock issued (in shares)					21,700	3,000
Common stock issued		$ 49,137	$ 8,362		$ 217	$ 30		$ 48,920	$ 8,332
Stock Issued During Period, Shares, Other				7,619
Stock Issued During Period, Value, Other	18,304			$ 76			18,228
Common stock issued under stock-based compensation plans, net (in shares)				207
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	2,615			$ 2			2,613
Balances, in shares at Sep. 30, 2023				382,693
Balances at Sep. 30, 2023	$ 1,048,378			$ 3,827			$ 4,128,553			$ (3,095,656)	$ 11,654