SEGMENT REPORTING - Revenue by Geographical Area (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 24,320	$ 14,803
Intellectual property operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	13,623	4,176
Industrial operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	8,841	10,627
Energy operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	1,856
Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	7,346	5,627
Americas | Intellectual property operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	2,065	1,174
Americas | Industrial operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	3,425	4,453
Americas | Energy operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	1,856
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	7,079	4,907
United States | Intellectual property operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	2,064	673
United States | Industrial operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	3,159	4,234
United States | Energy operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	1,856
Canada and Latin America
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	267	720
Canada and Latin America | Intellectual property operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	1	501
Canada and Latin America | Industrial operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	266	219
Canada and Latin America | Energy operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0
Europe, Middle East and Africa
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	2,478	2,965
Europe, Middle East and Africa | Intellectual property operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0	0
Europe, Middle East and Africa | Industrial operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	2,478	2,965
Europe, Middle East and Africa | Energy operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0
Asia Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	14,496	6,211
Asia Pacific | Intellectual property operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	11,558	3,002
Asia Pacific | Industrial operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	2,938	3,209
Asia Pacific | Energy operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0
China
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	5,168	3,843
China | Intellectual property operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	4,650	3,000
China | Industrial operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	518	843
China | Energy operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0
India
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	918	828
India | Intellectual property operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0	0
India | Industrial operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	918	828
India | Energy operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0
Asia-Pacific, excluding China and India
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	8,410	1,540
Asia-Pacific, excluding China and India | Intellectual property operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	6,908	2
Asia-Pacific, excluding China and India | Industrial operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	1,502	$ 1,538
Asia-Pacific, excluding China and India | Energy operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 0