SEGMENT REPORTING - Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Fair Value	$ 81,384	$ 361,778
Equity securities without readily determinable fair value	5,816	5,816
Investment securities - equity method investments	72,106	30,934
Cost	159,306	398,528
Other parent assets	103,602	172,726
Total assets	485,269	798,856
Intellectual property operations
Segment Reporting Information [Line Items]
Total assets	170,421	175,286
Industrial operations
Segment Reporting Information [Line Items]
Total assets	$ 51,940	$ 52,316