REVENUE RECOGNITION - Disaggregated Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Disaggregation of Revenue [Line Items]
Total revenues	$ 99,424	$ 6,983	$ 143,271	$ 14,057
Immersion Corporation [Member] | Total royalty and license revenue
Disaggregation of Revenue [Line Items]
Total revenues	52,403	6,983	96,250	14,057
Immersion Corporation [Member] | Fixed fee license revenue
Disaggregation of Revenue [Line Items]
Total revenues	48,779	1,254	87,507	2,404
Immersion Corporation [Member] | Per-unit royalty revenue
Disaggregation of Revenue [Line Items]
Total revenues	$ 3,624	$ 5,729	$ 8,743	$ 11,653