STOCK-BASED AWARD PLANS - Stock based compensation, comprehensive income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Allocation of costs
Compensation expense	$ 5,256	$ 7,422	$ 14,383	$ 20,250
Research and development
Allocation of costs
Compensation expense	581	876	1,193	2,008
Selling and marketing
Allocation of costs
Compensation expense	1,621	2,157	4,594	4,877
General and administrative
Allocation of costs
Compensation expense	2,103	2,973	6,039	9,601
Software subscriptions
Allocation of costs
Compensation expense	577	656	1,502	1,788
Services
Allocation of costs
Compensation expense	$ 374	$ 760	$ 1,055	$ 1,976