INVESTMENTS AND FAIR VALUE MEASUREMENTS - REALIZED AND UNREALIZED GAINS AND LOSSES EQUITY AND DERIVATIVE INSTRUMENTS (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
INVESTMENTS AND FAIR VALUE MEASUREMENTS
Net unrealized gains (losses) recognized on marketable equity securities	$ (287)	$ (9,278)	$ 472	$ (14,062)
Net realized gains (losses) recognized on marketable equity securities	(2,588)	(555)	3,643	218
Net unrealized gains (losses) recognized on derivative instruments	(1,631)	3,907	(1,825)	(696)
Net realized gains recognized on derivative instruments	(72)	2,214	2,165	4,089
Net realized gains recognized on marketable debt securities	0	188	217	556
Total net gains (losses) recognized in interest and other income (loss), net	$ (4,578)	$ (3,524)	$ 4,672	$ (9,895)