SEGMENT REPORTING - Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Fair Value	$ 61,608	$ 361,778
Equity securities without readily determinable fair value	5,816	5,816
Equity method investments	30,934	30,934
Cost	98,358	398,528
Other parent assets	156,394	172,726
Total assets	482,928	798,856
Intellectual property operations
Segment Reporting Information [Line Items]
Total assets	176,119	175,286
Industrial operations
Segment Reporting Information [Line Items]
Total assets	$ 52,057	$ 52,316