SEGMENT REPORTING - Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Segment Reporting Information [Line Items]
Fair Value	$ 64,511	$ 61,608
Equity securities without readily determinable fair value	5,816	5,816
Equity method investments	30,934	30,934
Cost	101,261	98,358
Other parent assets	222,246	156,394
Total assets	529,147	482,928
Intellectual property operations
Segment Reporting Information [Line Items]
Total assets	158,603	176,119
Industrial operations
Segment Reporting Information [Line Items]
Total assets	$ 47,037	$ 52,057