FAIR VALUE MEASUREMENTS AND INVESTMENTS - Investments (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Roll forward of investments
Beginning balance	$ 42,907	$ 38,169
Income recognized	19	315
Contributions / (distributions)	(140)	630
Foreign currency loss		111
Ending balance	42,786	39,225
Investments without a readily determinable fair value
Roll forward of investments
Beginning balance	41,710	22,590
Ending balance	41,710	22,590
Fair value investments
Roll forward of investments
Beginning balance	1,197	1,616
Income recognized	19	77
Contributions / (distributions)	(140)
Ending balance	$ 1,076	1,693
Equity method investments
Roll forward of investments
Beginning balance		13,963
Income recognized		238
Contributions / (distributions)		630
Foreign currency loss		111
Ending balance		$ 14,942