SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Disaggregation of Revenue [Line Items]
Total revenues	$ 59,446	$ 23,310	$ 235,105	$ 73,468
Intellectual property operations
Disaggregation of Revenue [Line Items]
Total revenues	7,795	486	78,029	19,442
Paid-up license revenue agreements
Disaggregation of Revenue [Line Items]
Total revenues	7,375	0	76,865	17,253
Recurring license revenue agreements
Disaggregation of Revenue [Line Items]
Total revenues	420	486	1,164	2,189
Industrial operations
Disaggregation of Revenue [Line Items]
Total revenues	6,660	7,007	20,926	22,183
Printers, consumables and parts
Disaggregation of Revenue [Line Items]
Total revenues	5,859	6,149	18,557	19,678
Services
Disaggregation of Revenue [Line Items]
Total revenues	$ 801	$ 858	$ 2,369	$ 2,505