MARKETABLE SECURITIES (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 247,384	$ 253,764
Gross Unrealized Gains	967	71
Gross Unrealized Losses	(711)	(5,394)
Estimated Fair Market Value	$ 247,640	$ 248,441
Weighted average interest rate on investments	4.87%	2.08%
Interest receivable	$ 2,300	$ 1,200
Investments due in 3 months or less:
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	10,688	21,803
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(42)	(135)
Estimated Fair Market Value	10,646	21,668
Investments due in 4-12 months:
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	49,398	173,833
Gross Unrealized Gains	15	0
Gross Unrealized Losses	(347)	(4,019)
Estimated Fair Market Value	49,066	169,814
Investments due in 12 months or greater:
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	187,298	58,128
Gross Unrealized Gains	952	71
Gross Unrealized Losses	(322)	(1,240)
Estimated Fair Market Value	187,928	56,959
Commercial paper | Investments due in 4-12 months:
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	718
Gross Unrealized Gains	0
Gross Unrealized Losses	0
Estimated Fair Market Value	718
Corporate securities | Investments due in 3 months or less:
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	10,688	21,803
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(42)	(135)
Estimated Fair Market Value	10,646	21,668
Corporate securities | Investments due in 4-12 months:
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	48,680	173,833
Gross Unrealized Gains	15	0
Gross Unrealized Losses	(347)	(4,019)
Estimated Fair Market Value	48,348	169,814
Corporate securities | Investments due in 12 months or greater:
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	187,298	58,128
Gross Unrealized Gains	952	71
Gross Unrealized Losses	(322)	(1,240)
Estimated Fair Market Value	$ 187,928	$ 56,959