FINANCIAL INSTRUMENTS - Cash and Financial Assets Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Cash And Cash Equivalents And Marketable securities [Line Items]
Cost, Cash and Cash Equivalents	$ 112,751	$ 87,691
Cost, Total	157,468	87,691
Unrealized Gains (Losses)	(9)	0
Accrued Interest	301	0
Estimated Fair Value, Cash and cash equivalents	112,751
Investment securities	45,009	0
Estimated Fair Value, Total	157,760	87,691
Cash
Cash And Cash Equivalents And Marketable securities [Line Items]
Cost, Cash and Cash Equivalents	107,656	87,691
Estimated Fair Value, Cash and cash equivalents	107,656	87,691
Level 1 | Money market accounts and government & agency securities
Cash And Cash Equivalents And Marketable securities [Line Items]
Cost, Total	20,233	0
Unrealized Gains (Losses)	17	0
Accrued Interest	90	0
Investment securities	15,245	0
Estimated Fair Value, Total	20,340	0
Level 1 | Money market accounts
Cash And Cash Equivalents And Marketable securities [Line Items]
Cost, Cash and Cash Equivalents	5,033	0
Accrued Interest	62	0
Estimated Fair Value, Cash and cash equivalents	5,095	0
Level 1 | Government & agency securities
Cash And Cash Equivalents And Marketable securities [Line Items]
Cost, Investment Securities	15,200	0
Unrealized Gains (Losses)	17	0
Accrued Interest	28	0
Investment securities	15,245	$ 0
Level 2 | Corporate bonds
Cash And Cash Equivalents And Marketable securities [Line Items]
Cost, Investment Securities	29,579
Unrealized Gains (Losses)	(26)
Accrued Interest	211
Investment securities	$ 29,764