REVENUE RECOGNITION - Performance Obligation (Details) - Performance Obligation B - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2024	Dec. 31, 2022
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Deferred revenue, revenue recognized	$ 2.3
Deferred revenue			$ 17.4
Fixed fee license revenue
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Deferred revenue		$ 20.7
Fixed fee license revenue | One to three years
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Deferred revenue		16.7
Fixed fee license revenue | More than three years
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Deferred revenue		$ 4.1