MARKETABLE SECURITIES - Fair Value, Cost and Gross Unrealized Holding Gains of Securities Owned (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Debt Securities, Available-for-sale [Line Items]
Amortized cost	$ 48,550	$ 62,608
Gross Unrealized Gains	0	35
Gross Unrealized Losses	(58)	(10)
Fair Value	48,492	62,633
U.S. Government and agency debt securities
Debt Securities, Available-for-sale [Line Items]
Amortized cost	37,632	31,866
Gross Unrealized Gains	0	30
Gross Unrealized Losses	(57)	(10)
Fair Value	37,575	31,886
U.S. Treasury bills
Debt Securities, Available-for-sale [Line Items]
Amortized cost	10,918	30,742
Gross Unrealized Gains	0	5
Gross Unrealized Losses	(1)	0
Fair Value	$ 10,917	$ 30,747