REVENUE RECOGNITION - Performance Obligation (Details) $ in Millions	9 Months Ended
	Sep. 30, 2023 USD ($) Number	Dec. 31, 2022 USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Deferred revenue, revenue recognized	$ 3.6
Deferred revenue		$ 17.4
Number of performance obligations | Number	2
Performance Obligation B
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Deferred revenue	$ 13.8
Performance Obligation B | One to three years
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Deferred revenue	8.1
Performance Obligation B | More than three years
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Deferred revenue	$ 5.7