SEGMENT REPORTING - Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Segment Reporting Information [Line Items]
Fair Value	$ 63,068	$ 61,608
Equity securities without readily determinable fair value	5,816	5,816
Equity method investments	30,934	30,934
Cost	99,818	98,358
Other parent assets	218,909	156,394
Total assets	633,545	482,928
Intellectual property operations
Segment Reporting Information [Line Items]
Total assets	234,254	176,119
Industrial operations
Segment Reporting Information [Line Items]
Total assets	47,854	52,057
Energy operations
Segment Reporting Information [Line Items]
Total assets	$ 32,710	$ 0