SEGMENT REPORTING - Revenue by Geographical Area (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 25,838	$ 7,904	$ 50,158	$ 22,707
Intellectual property operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	5,333	394	18,956	4,570
Industrial operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	6,335	7,510	15,176	18,137
Energy operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	14,170		16,026
Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	22,594	4,004	29,940	9,631
Americas | Intellectual property operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	5,331	393	7,396	1,567
Americas | Industrial operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	3,093	3,611	6,518	8,064
Americas | Energy operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	14,170		16,026
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	22,374	3,663	29,453	8,570
United States | Intellectual property operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	5,331	386	7,395	1,059
United States | Industrial operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	2,873	3,277	6,032	7,511
United States | Energy operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	14,170		16,026
Canada and Latin America
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	220	341	487	1,061
Canada and Latin America | Intellectual property operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0	7	1	508
Canada and Latin America | Industrial operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	220	334	486	553
Canada and Latin America | Energy operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0		0
Europe, Middle East and Africa
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	1,705	1,962	4,183	4,927
Europe, Middle East and Africa | Intellectual property operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0	0	0	0
Europe, Middle East and Africa | Industrial operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	1,705	1,962	4,183	4,927
Europe, Middle East and Africa | Energy operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0		0
Asia Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	1,539	1,938	16,035	8,149
Asia Pacific | Intellectual property operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	2	1	11,560	3,003
Asia Pacific | Industrial operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	1,537	1,937	4,475	5,146
Asia Pacific | Energy operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0		0
China
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	232	772	5,400	4,615
China | Intellectual property operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0	0	4,650	3,000
China | Industrial operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	232	772	750	1,615
China | Energy operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0		0
India
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	517	170	1,435	998
India | Intellectual property operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0	0	0	0
India | Industrial operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	517	170	1,435	998
India | Energy operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0		0
Asia-Pacific, excluding China and India
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	790	996	9,200	2,536
Asia-Pacific, excluding China and India | Intellectual property operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	2	1	6,910	3
Asia-Pacific, excluding China and India | Industrial operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	788	$ 995	2,290	$ 2,533
Asia-Pacific, excluding China and India | Energy operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 0		$ 0