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RESTRUCTURING - Schedule of restructuring related charges by function (Details) - Restructuring Plan, Core MCED Business - USD ($) $ in Thousands	3 Months Ended	5 Months Ended	9 Months Ended
	Sep. 30, 2025	Dec. 31, 2024	Sep. 30, 2025
Restructuring Cost and Reserve [Line Items]
Restructuring charges (adjustments), net	$ 0	$ 18,300	$ (34)
Research and development
Restructuring Cost and Reserve [Line Items]
Restructuring charges (adjustments), net	0		64
Sales and marketing
Restructuring Cost and Reserve [Line Items]
Restructuring charges (adjustments), net	0		(83)
General and administrative
Restructuring Cost and Reserve [Line Items]
Restructuring charges (adjustments), net	0		(15)
Severance and related benefit costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges (adjustments), net	0		(161)
Severance and related benefit costs | Research and development
Restructuring Cost and Reserve [Line Items]
Restructuring charges (adjustments), net	0		(47)
Severance and related benefit costs | Sales and marketing
Restructuring Cost and Reserve [Line Items]
Restructuring charges (adjustments), net	0		(83)
Severance and related benefit costs | General and administrative
Restructuring Cost and Reserve [Line Items]
Restructuring charges (adjustments), net	0		(31)
Other Costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges (adjustments), net	0		127
Other Costs | Research and development
Restructuring Cost and Reserve [Line Items]
Restructuring charges (adjustments), net	0		111
Other Costs | Sales and marketing
Restructuring Cost and Reserve [Line Items]
Restructuring charges (adjustments), net	0		0
Other Costs | General and administrative
Restructuring Cost and Reserve [Line Items]
Restructuring charges (adjustments), net	$ 0		$ 16

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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