CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Total	At-The-Market Offering	Follow-on Public Offering	Common Stock	Common Stock At-The-Market Offering	Common Stock Follow-on Public Offering	Additional Paid-in Capital	Additional Paid-in Capital At-The-Market Offering	Additional Paid-in Capital Follow-on Public Offering	Accumulated Deficit
Beginning Balance at Dec. 31, 2020	$ 109,880			$ 2			$ 173,274			$ (63,396)
Beginning Balance, Shares at Dec. 31, 2020				17,150
Stock-based compensation expense	14,000						14,000
Net income (loss)	(1,542)									(1,542)
Issuance of common stock net of underwriting discounts and commissions and other offering costs			$ 181,588						$ 181,588
Issuance of common stock net of underwriting discounts and commissions and other offerings costs, Shares						1,500
Issuance of shares upon vesting of restricted stock units, net of tax withholdings, Shares				411
Ending Balance at Jun. 30, 2021	303,926			$ 2			368,862			(64,938)
Ending Balance, Shares at Jun. 30, 2021				19,061
Beginning Balance at Mar. 31, 2021	295,269			$ 2			362,228			(66,961)
Beginning Balance, Shares at Mar. 31, 2021				18,840
Stock-based compensation expense	6,634						6,634
Net income (loss)	2,023									2,023
Issuance of shares upon vesting of restricted stock units, net of tax withholdings, Shares				221
Ending Balance at Jun. 30, 2021	303,926			$ 2			368,862			(64,938)
Ending Balance, Shares at Jun. 30, 2021				19,061
Beginning Balance at Dec. 31, 2021	$ 632,497			$ 2			663,614			(31,119)
Beginning Balance, Shares at Dec. 31, 2021	20,825			20,825
Stock-based compensation expense	$ 25,650						25,650
Net income (loss)	18,999									18,999
Issuance of common stock net of underwriting discounts and commissions and other offering costs		$ 20,080						$ 20,080
Issuance of common stock net of underwriting discounts and commissions and other offerings costs, Shares					100
Issuance of shares upon vesting of restricted stock units, net of tax withholdings	(16,942)						(16,942)
Issuance of shares upon vesting of restricted stock units, net of tax withholdings, Shares				361
Ending Balance at Jun. 30, 2022	$ 680,284			$ 2			692,402			(12,120)
Ending Balance, Shares at Jun. 30, 2022	21,286			21,286
Beginning Balance at Mar. 31, 2022	$ 653,874			$ 2			678,851			(24,979)
Beginning Balance, Shares at Mar. 31, 2022				21,042
Stock-based compensation expense	10,413						10,413
Net income (loss)	12,859									12,859
Issuance of common stock net of underwriting discounts and commissions and other offering costs		$ 20,080						$ 20,080
Issuance of common stock net of underwriting discounts and commissions and other offerings costs, Shares					100
Issuance of shares upon vesting of restricted stock units, net of tax withholdings	(16,942)						(16,942)
Issuance of shares upon vesting of restricted stock units, net of tax withholdings, Shares				144
Ending Balance at Jun. 30, 2022	$ 680,284			$ 2			$ 692,402			$ (12,120)
Ending Balance, Shares at Jun. 30, 2022	21,286			21,286