SEGMENT REPORTING - Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Segment Reporting Information [Line Items]
Fair Value	$ 22,918	$ 63,068
Equity securities without readily determinable fair value	5,816	5,816
Equity method investments	30,934	30,934
Cost	59,668	99,818
Other parent assets	261,185	218,909
Total assets	631,725	633,545
Intellectual property operations
Segment Reporting Information [Line Items]
Total assets	227,050	234,254
Industrial operations
Segment Reporting Information [Line Items]
Total assets	48,863	47,854
Energy operations
Segment Reporting Information [Line Items]
Total assets	$ 34,959	$ 32,710