Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Treasury Stock, Common	Additional Paid In Capital	Accumulated Other Comprehensive Income / (Loss)	Accumulated Deficit
Beginning Balance at Dec. 31, 2020	$ 503,519	$ 610		$ 825,794	$ (42)	$ (322,843)
Beginning Balance (in shares) at Dec. 31, 2020		60,996,367
Issuance of common stock, net of issuance costs	26,354	$ 8		26,346
Issuance of common stock, net of issuance costs (in shares)		812,516
Issuance of common stock pursuant to exercise of stock options	11,327	$ 12		11,315
Issuance of common stock pursuant to exercise of stock options (in shares)		1,209,960
Issuance of common stock pursuant to conversion of notes	40,694	$ 15		40,679
Issuance of common stock pursuant to conversion of notes (in shares)		1,487,046
Issuance of common stock related to acquisition	0
Issuance of warrants	12,781			12,781
Unrealized comprehensive gain (loss) on investments	(119)				(119)
Stock-based compensation	29,237			29,237
Net loss	(169,069)					(169,069)
Ending Balance at Dec. 31, 2021	454,724	$ 645		946,152	(161)	(491,912)
Ending Balance (in shares) at Dec. 31, 2021		64,505,889
Issuance of common stock, net of issuance costs	108,138	$ 78		108,060
Issuance of common stock, net of issuance costs (in shares)		7,820,000
Issuance of common stock pursuant to exercise of stock options	$ 631	$ 1		630
Issuance of common stock pursuant to exercise of stock options (in shares)		66,887
Issuance of common stock pursuant to exercise of warrant (in shares)	0
Issuance of common stock pursuant to vesting of restricted stock units (in shares)		10,168
Issuance of common stock related to acquisition	$ 70,724	$ 34		70,690
Issuance of common stock related to acquisition (in shares)		3,420,774
Issuance of common stock related to earnout restricted stock units settlement (in shares)		5,101
Issuance of common stock pursuant to the at-the-market offering program, net of issuance costs	46,566	$ 33		46,533
Issuance of common stock pursuant to the at-the-market offering program, net of issuance costs (in shares)		3,291,922
Treasury stock purchases	(47)		$ (47)
Treasury stock purchases (in shares)		2,571
Unrealized comprehensive gain (loss) on investments	(196)				(196)
Stock-based compensation	31,009			31,009
Net loss	(221,863)					(221,863)
Ending Balance at Dec. 31, 2022	489,686	$ 791	(47)	1,203,074	(357)	(713,775)
Ending Balance (in shares) at Dec. 31, 2022		79,123,312
Issuance of common stock, net of issuance costs	188,885	$ 95		188,790
Issuance of common stock, net of issuance costs (in shares)		9,453,418
Issuance of common stock pursuant to exercise of stock options	2,231	$ 2		2,229
Issuance of common stock pursuant to exercise of stock options (in shares)		223,145
Issuance of common stock pursuant to exercise of warrants	7	$ 1		6
Issuance of common stock pursuant to exercise of warrant (in shares)		126,093
Issuance of common stock pursuant to vesting of restricted stock units		$ 4		(4)
Issuance of common stock pursuant to vesting of restricted stock units (in shares)		407,999
Issuance of common stock related to acquisition	0
Issuance of common stock pursuant to the at-the-market offering program, net of issuance costs	17,222	$ 10		17,212
Issuance of common stock pursuant to the at-the-market offering program, net of issuance costs (in shares)		948,300
Sale of treasury stock	56		47	9
Unrealized comprehensive gain (loss) on investments	676				676
Stock-based compensation	39,406			39,406
Net loss	(245,595)					(245,595)
Ending Balance at Dec. 31, 2023	$ 492,574	$ 903		$ 1,450,722	$ 319	$ (959,370)
Ending Balance (in shares) at Dec. 31, 2023		90,282,267