CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive (Loss) Income	Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2021		124,107,500
Beginning balance at Dec. 31, 2021	$ 1,108,277	$ 124	$ 1,123,628	$ (638)	$ (14,837)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock for ESPP (in shares)		47,853
Issuance of common stock for ESPP	971		971
Issuance of restricted stock, net of forfeitures (in shares)		100,253
Issuance of restricted stock, net of forfeitures	(1,049)		(1,049)
Issuance of common stock for stock options (in shares)		466,609
Issuance of common stock for stock options	6,480	$ 1	6,479
Stock-based compensation expense - ESPP	249		249
Stock-based compensation expense - options and restricted stock	11,855		11,855
Net unrealized gain (loss) on marketable securities, net of tax	(2,371)			(2,371)
Net loss	(49,408)				(49,408)
Ending balance (in shares) at Mar. 31, 2022		124,722,215
Ending balance at Mar. 31, 2022	1,075,004	$ 125	1,142,133	(3,009)	(64,245)
Beginning balance (in shares) at Dec. 31, 2021		124,107,500
Beginning balance at Dec. 31, 2021	1,108,277	$ 124	1,123,628	(638)	(14,837)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net unrealized gain (loss) on marketable securities, net of tax	(4,466)
Net loss	(121,563)
Ending balance (in shares) at Sep. 30, 2022		126,562,037
Ending balance at Sep. 30, 2022	1,012,988	$ 127	1,154,365	(5,104)	(136,400)
Beginning balance (in shares) at Mar. 31, 2022		124,722,215
Beginning balance at Mar. 31, 2022	1,075,004	$ 125	1,142,133	(3,009)	(64,245)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock for ESPP (in shares)		89,374
Issuance of common stock for ESPP	807		807
Issuance of restricted stock, net of forfeitures (in shares)		773,010
Issuance of restricted stock, net of forfeitures	(310)	$ 1	(311)
Issuance of common stock for stock options (in shares)		94,974
Issuance of common stock for stock options	743		743
Stock-based compensation expense - ESPP	293		293
Stock-based compensation expense - options and restricted stock	3,332		3,332
Net unrealized gain (loss) on marketable securities, net of tax	(1,047)			(1,047)
Net loss	(35,303)				(35,303)
Ending balance (in shares) at Jun. 30, 2022		125,679,573
Ending balance at Jun. 30, 2022	1,043,519	$ 126	1,146,997	(4,056)	(99,548)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock for ESPP (in shares)		150,585
Issuance of common stock for ESPP	1,133		1,133
Issuance of restricted stock, net of forfeitures (in shares)		493,907
Issuance of restricted stock, net of forfeitures	(5)	$ 1	(6)
Issuance of common stock for stock options (in shares)		237,972
Issuance of common stock for stock options	1,961		1,961
Stock-based compensation expense - ESPP	257		257
Stock-based compensation expense - options and restricted stock	4,023		4,023
Net unrealized gain (loss) on marketable securities, net of tax	(1,048)			(1,048)
Net loss	(36,852)				(36,852)
Ending balance (in shares) at Sep. 30, 2022		126,562,037
Ending balance at Sep. 30, 2022	$ 1,012,988	$ 127	1,154,365	(5,104)	(136,400)
Beginning balance (in shares) at Dec. 31, 2022	126,913,992	126,913,992
Beginning balance at Dec. 31, 2022	$ 998,023	$ 127	1,160,882	(3,899)	(159,087)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock for ESPP (in shares)		96,733
Issuance of common stock for ESPP	811		811
Issuance of restricted stock, net of forfeitures (in shares)		114,738
Issuance of restricted stock, net of forfeitures	(147)		(147)
Issuance of common stock for stock options (in shares)		75,028
Issuance of common stock for stock options	751		751
Stock issuance fees and expenses	(4)		(4)
Stock-based compensation expense - ESPP	275		275
Stock-based compensation expense - options and restricted stock	4,483		4,483
Net unrealized gain (loss) on marketable securities, net of tax	1,065			1,065
Net loss	(30,795)				(30,795)
Ending balance (in shares) at Mar. 31, 2023		127,200,491
Ending balance at Mar. 31, 2023	$ 974,462	$ 127	1,167,051	(2,834)	(189,882)
Beginning balance (in shares) at Dec. 31, 2022	126,913,992	126,913,992
Beginning balance at Dec. 31, 2022	$ 998,023	$ 127	1,160,882	(3,899)	(159,087)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock for stock options (in shares)	223,044
Net unrealized gain (loss) on marketable securities, net of tax	$ 2,053
Net loss	$ (73,642)
Ending balance (in shares) at Sep. 30, 2023	127,261,476	127,261,476
Ending balance at Sep. 30, 2023	$ 947,428	$ 127	1,181,876	(1,846)	(232,729)
Beginning balance (in shares) at Mar. 31, 2023		127,200,491
Beginning balance at Mar. 31, 2023	974,462	$ 127	1,167,051	(2,834)	(189,882)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock for ESPP (in shares)		78,302
Issuance of common stock for ESPP	1,029		1,029
Issuance of restricted stock, net of forfeitures (in shares)		(194,448)
Issuance of restricted stock, net of forfeitures	(1,527)		(1,527)
Issuance of common stock for stock options (in shares)		60,073
Issuance of common stock for stock options	610		610
Stock issuance fees and expenses	(18)		(18)
Stock-based compensation expense - ESPP	255		255
Stock-based compensation expense - options and restricted stock	5,450		5,450
Net unrealized gain (loss) on marketable securities, net of tax	262			262
Net loss	(24,331)				(24,331)
Ending balance (in shares) at Jun. 30, 2023		127,144,418
Ending balance at Jun. 30, 2023	956,192	$ 127	1,172,850	(2,572)	(214,213)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock for ESPP (in shares)		64,785
Issuance of common stock for ESPP	863		863
Issuance of restricted stock, net of forfeitures (in shares)		(35,670)
Issuance of restricted stock, net of forfeitures	(41)		(41)
Issuance of common stock for stock options (in shares)		87,943
Issuance of common stock for stock options	1,026		1,026
Stock issuance fees and expenses	(1)		(1)
Stock-based compensation expense - ESPP	279		279
Stock-based compensation expense - options and restricted stock	6,900		6,900
Net unrealized gain (loss) on marketable securities, net of tax	726			726
Net loss	$ (18,516)				(18,516)
Ending balance (in shares) at Sep. 30, 2023	127,261,476	127,261,476
Ending balance at Sep. 30, 2023	$ 947,428	$ 127	$ 1,181,876	$ (1,846)	$ (232,729)