SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Disaggregation of Revenue [Line Items]
Total revenues	$ 114,562	$ 51,237	$ 168,801	$ 175,659
Intellectual property operations
Disaggregation of Revenue [Line Items]
Total revenues	60,913	329	61,635	70,234
Paid-up license revenue agreements
Disaggregation of Revenue [Line Items]
Total revenues	60,600	0	60,700	69,490
Recurring license revenue agreements
Disaggregation of Revenue [Line Items]
Total revenues	313	329	935	744
Industrial operations
Disaggregation of Revenue [Line Items]
Total revenues	6,002	6,590	13,184	14,266
Printers, consumables and parts
Disaggregation of Revenue [Line Items]
Total revenues	5,255	5,795	11,661	12,698
Services
Disaggregation of Revenue [Line Items]
Total revenues	$ 747	$ 795	$ 1,523	$ 1,568