REVISION OF UNAUDITED QUARTERLY FINANCIAL DATA - Statement of Stockholders' Equity (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	$ 172,354	$ 180,254
Stock-based compensation	7,916	14,280
Net loss	(10,746)	(16,616)
Ending balance	169,895	175,061
Additional Paid-in Capital
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	412,708	367,153
Stock-based compensation	7,916	14,280
Ending balance	420,980	378,546
Accumulated Deficit
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(240,405)	(186,977)
Net loss	(10,746)	(16,616)
Ending balance	$ (251,151)	(203,593)
As Previously Reported
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		(14,983)
As Previously Reported | Additional Paid-in Capital
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation		12,647
Ending balance		376,913
As Previously Reported | Accumulated Deficit
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Ending balance		(201,960)
Adjustment
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		(1,633)
Adjustment | Additional Paid-in Capital
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation		1,633
Ending balance		1,633
Adjustment | Accumulated Deficit
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Ending balance		$ (1,633)