SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Disaggregation of Revenue [Line Items]
Total revenues	$ 122,312	$ 125,102
Intellectual property operations
Disaggregation of Revenue [Line Items]
Total revenues	19,525	89,156
Paid-up license revenue agreements
Disaggregation of Revenue [Line Items]
Total revenues	17,253	87,835
Recurring License Revenue Agreements
Disaggregation of Revenue [Line Items]
Total revenues	2,272	1,321
Industrial operations
Disaggregation of Revenue [Line Items]
Total revenues	30,421	35,098
Printers, consumables and parts
Disaggregation of Revenue [Line Items]
Total revenues	27,075	31,604
Services
Disaggregation of Revenue [Line Items]
Total revenues	$ 3,346	$ 3,494