Condensed Unaudited Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Preferred Stock	Common Stock	Additional paid-in capital	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)
Balance at beginning of period (in shares) at Dec. 31, 2021		0	115,277
Beginning balance at Dec. 31, 2021	$ 360,528	$ 0	$ 115	$ 1,040,098	$ (679,595)	$ (90)
Increase (Decrease) in Stockholders' Equity
Issuance of common stock under employee stock compensation plans (in shares)			697
Issuance of common stock under employee stock compensation plans	2,080		$ 1	2,079
Share-based compensation	5,386			5,386
Net loss	(34,536)				(34,536)
Unrealized loss on available for sale securities, net of tax	(304)					(304)
Balance at end of period (in shares) at Mar. 31, 2022		0	115,974
Ending balance at Mar. 31, 2022	333,154	$ 0	$ 116	1,047,563	(714,131)	(394)
Balance at beginning of period (in shares) at Dec. 31, 2022		0	136,640
Beginning balance at Dec. 31, 2022	534,657	$ 0	$ 137	1,399,555	(864,806)	(229)
Increase (Decrease) in Stockholders' Equity
Issuance of common stock under employee stock compensation plans (in shares)			610
Issuance of common stock under employee stock compensation plans	2,589			2,589
Share-based compensation	11,899			11,899
Net loss	(72,229)				(72,229)
Unrealized loss on available for sale securities, net of tax	130					130
Balance at end of period (in shares) at Mar. 31, 2023		0	137,250
Ending balance at Mar. 31, 2023	$ 477,046	$ 0	$ 137	$ 1,414,043	$ (937,035)	$ (99)