STOCKHOLDERS' EQUITY - Equity Financing (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions		2 Months Ended	3 Months Ended
	Nov. 29, 2021	Jul. 31, 2021	Mar. 31, 2021	Mar. 31, 2022	Dec. 31, 2021	Nov. 29, 2019
Class of Stock [Line Items]
Common stock, par value (in dollars per share)				$ 0.001	$ 0.001
ATM Facility
Class of Stock [Line Items]
Common stock, par value (in dollars per share)						$ 0.001
Aggregate sales price		$ 200.0
Shares reserved for future issuance amount				$ 97.8
Commission fixed rate	3.00%
Proceeds from sale of stock			$ 72.6
Sale of stock, number of units issued (in shares)			30.6
Weighted-average stock price per share (in dollars per share)			$ 2.44
Issuance of common stock, issuance cost			$ 2.2