Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Non-voting Common Stock	Common Stock	Common Stock Non-voting Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit
Balance at Dec. 31, 2020	$ 381,815		$ 255	$ 64	$ 570,030	$ 26	$ (188,560)
Balance, shares at Dec. 31, 2020		6,431,205	25,542,931
Exercise of stock options, net of shares withheld for taxes and exercise costs	(53)				(53)
Exercise of stock options, net of shares withheld for taxes and exercise costs, shares			37,065
Issuance of fully vested restricted stock units, shares			1,216
Unrealized loss on marketable securities	(12)					(12)
Stock-based compensation expense	5,504				5,504
Net loss	(31,644)						(31,644)
Balance at Mar. 31, 2021	355,610		$ 255	64	575,481	14	(220,204)
Balance, shares at Mar. 31, 2021		6,431,205	25,581,212
Balance at Dec. 31, 2020	381,815		$ 255	64	570,030	26	(188,560)
Balance, shares at Dec. 31, 2020		6,431,205	25,542,931
Unrealized loss on marketable securities	(28)
Net loss	(70,358)
Balance at Jun. 30, 2021	322,456		$ 256	64	581,056	(2)	(258,918)
Balance, shares at Jun. 30, 2021		6,431,205	25,624,730
Balance at Mar. 31, 2021	355,610		$ 255	64	575,481	14	(220,204)
Balance, shares at Mar. 31, 2021		6,431,205	25,581,212
Exercise of stock options, net of shares withheld for taxes and exercise costs	(438)		$ 1		(439)
Exercise of stock options, net of shares withheld for taxes and exercise costs, shares			33,484
Issuance of fully vested restricted stock units, shares			1,216
Purchases under employee stock purchase plan	405				405
Purchases under employee stock purchase plan, shares			8,818
Unrealized loss on marketable securities	(16)					(16)
Stock-based compensation expense	5,609				5,609
Net loss	(38,714)						(38,714)
Balance at Jun. 30, 2021	322,456		$ 256	64	581,056	(2)	(258,918)
Balance, shares at Jun. 30, 2021		6,431,205	25,624,730
Balance at Dec. 31, 2021	244,908		$ 261	64	598,373	(66)	(353,724)
Balance, shares at Dec. 31, 2021		6,431,205	26,066,818
Exercise of stock options, Shares			23,432
Exercise of stock options	133				133
Issuance of fully vested restricted stock units, shares			1,713
Unrealized loss on marketable securities	(127)					(127)
Stock-based compensation expense	11,499				11,499
Net loss	(51,894)						(51,894)
Balance at Mar. 31, 2022	204,519		$ 261	64	610,005	(193)	(405,618)
Balance, shares at Mar. 31, 2022		6,431,205	26,091,963
Balance at Dec. 31, 2021	244,908		$ 261	64	598,373	(66)	(353,724)
Balance, shares at Dec. 31, 2021		6,431,205	26,066,818
Unrealized loss on marketable securities	(396)
Net loss	(110,489)
Balance at Jun. 30, 2022	375,411		$ 290	137	839,659	(462)	(464,213)
Balance, shares at Jun. 30, 2022		13,687,883	28,965,479
Balance at Mar. 31, 2022	204,519		$ 261	64	610,005	(193)	(405,618)
Balance, shares at Mar. 31, 2022		6,431,205	26,091,963
Exercise of stock options, Shares			6,140
Exercise of stock options	6				6
Conversion of non-voting common stock into voting common stock, Shares		(1,438,975)	1,438,975
Issuance of fully vested restricted stock units, shares			85,510
Issuance of fully vested restricted stock units, value			$ 1		(1)
Issuance of common stock in connection with public offering, net of offering costs, Shares		8,695,653	1,304,347
Issuance of common stock in connection with public offering, net of offering costs	217,987	$ 73	$ 28		217,886
Purchases under employee stock purchase plan	477				477
Purchases under employee stock purchase plan, shares			38,544
Unrealized loss on marketable securities	(269)					(269)
Stock-based compensation expense	11,286				11,286
Net loss	(58,595)						(58,595)
Balance at Jun. 30, 2022	$ 375,411		$ 290	$ 137	$ 839,659	$ (462)	$ (464,213)
Balance, shares at Jun. 30, 2022		13,687,883	28,965,479