LIQUIDITY AND CAPITAL RESOURCES (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
LIQUIDITY AND CAPITAL RESOURCES
Accumulated deficit	$ 104,943	$ 143,277
Cash, cash equivalents and investments	$ 453,594

Amount of accumulated undistributed earnings (deficit).

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant