Condensed Consolidated Statements of Stockholder's Equity - USD ($) $ in Thousands	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive (Loss) Gain	Accumulated Deficit	Total
Balance, Beginning at Dec. 31, 2020		$ 563,389	$ 28	$ (283,811)	$ 279,606
Balance, Beginning (in shares) at Dec. 31, 2020	43,745,465
Increase (Decrease) in Stockholders' Equity
Issuance of common stock pursuant to at-the-market offering, net of issuance costs		123,798			123,798
Issuance of common stock pursuant to at-the-market offering, net of issuance costs (in shares)	3,503,311
Issuance of common stock under equity incentive and employee stock purchase plans		2,563			2,563
Issuance of common stock under equity incentive and employee stock purchase plans (in shares)	283,844
Shares withheld for net settlement of tax withholding upon vesting of restricted stock units		(189)			(189)
Shares withheld for net settlement of tax withholding upon vesting of restricted stock units (in shares)	(7,060)
Stock-based compensation expense		6,596			6,596
Other comprehensive loss			(87)		(87)
Net loss				(54,840)	(54,840)
Balance, Ending at Jun. 30, 2021		696,157	(59)	(338,651)	357,447
Balance, Ending (in shares) at Jun. 30, 2021	47,525,560
Balance, Beginning at Mar. 31, 2021		567,176	(33)	(307,809)	259,334
Balance, Beginning (in shares) at Mar. 31, 2021	43,939,246
Increase (Decrease) in Stockholders' Equity
Issuance of common stock pursuant to at-the-market offering, net of issuance costs		123,798			123,798
Issuance of common stock pursuant to at-the-market offering, net of issuance costs (in shares)	3,503,311
Issuance of common stock under equity incentive and employee stock purchase plans		1,247			1,247
Issuance of common stock under equity incentive and employee stock purchase plans (in shares)	83,003
Stock-based compensation expense		3,936			3,936
Other comprehensive loss			(26)		(26)
Net loss				(30,842)	(30,842)
Balance, Ending at Jun. 30, 2021		696,157	(59)	(338,651)	357,447
Balance, Ending (in shares) at Jun. 30, 2021	47,525,560
Balance, Beginning at Dec. 31, 2021		709,682	(299)	(409,362)	$ 300,021
Balance, Beginning (in shares) at Dec. 31, 2021	47,838,330				47,838,330
Increase (Decrease) in Stockholders' Equity
Issuance of common stock pursuant to at-the-market offering, net of issuance costs		14,553			$ 14,553
Issuance of common stock pursuant to at-the-market offering, net of issuance costs (in shares)	422,367
Issuance of common stock under equity incentive and employee stock purchase plans		3,213			3,213
Issuance of common stock under equity incentive and employee stock purchase plans (in shares)	430,960
Shares withheld for net settlement of tax withholding upon vesting of restricted stock units		(186)			(186)
Shares withheld for net settlement of tax withholding upon vesting of restricted stock units (in shares)	(7,726)
Stock-based compensation expense		12,740			12,740
Issuance costs related to prior period common stock offering		25			25
Other comprehensive loss			(421)		(421)
Net loss				(61,967)	(61,967)
Balance, Ending at Jun. 30, 2022		740,027	(720)	(471,329)	$ 267,978
Balance, Ending (in shares) at Jun. 30, 2022	48,683,931				48,683,931
Balance, Beginning at Mar. 31, 2022		732,542	(472)	(430,292)	$ 301,778
Balance, Beginning (in shares) at Mar. 31, 2022	48,552,102
Increase (Decrease) in Stockholders' Equity
Issuance of common stock under equity incentive and employee stock purchase plans		655			655
Issuance of common stock under equity incentive and employee stock purchase plans (in shares)	131,829
Stock-based compensation expense		6,805			6,805
Issuance costs related to prior period common stock offering		25			25
Other comprehensive loss			(248)		(248)
Net loss				(41,037)	(41,037)
Balance, Ending at Jun. 30, 2022		$ 740,027	$ (720)	$ (471,329)	$ 267,978
Balance, Ending (in shares) at Jun. 30, 2022	48,683,931				48,683,931