RESTRUCTURING - Restructuring Costs Recognized in Consolidated Statement of Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 4,888	$ 4,183
Cost of revenue
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 298	$ 0
Restructuring, incurred cost, statement of income or comprehensive income	Cost of revenue (exclusive of depreciation shown separately below)	Cost of revenue (exclusive of depreciation shown separately below)
Research and development expense
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 2,813	$ 2,282
Restructuring, incurred cost, statement of income or comprehensive income	Research and development expense	Research and development expense
Sales and marketing expense
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 1,078	$ 1,133
Restructuring, incurred cost, statement of income or comprehensive income	Sales and marketing expense	Sales and marketing expense
General and administrative expense
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 699	$ 768
Restructuring, incurred cost, statement of income or comprehensive income	General and administrative expense	General and administrative expense