REVENUE RECOGNITION - Performance Obligation (Details) $ in Millions	6 Months Ended
	Jun. 30, 2023 USD ($) Number	Dec. 31, 2022 USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Deferred revenue, revenue recognized	$ 2.3
Deferred revenue		$ 17.4
Number of performance obligations | Number	2
Fixed fee license revenue | Performance Obligation B
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, remaining performance obligation, amount	$ 15.0
Fixed fee license revenue | Performance Obligation B | One to three years
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, remaining performance obligation, amount	9.3
Fixed fee license revenue | Performance Obligation B | More than three years
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, remaining performance obligation, amount	$ 5.7