FAIR VALUE MEASUREMENTS - Contingent consideration fair value inputs (Details) - Level 3 $ in Thousands	Sep. 30, 2022 USD ($)	Dec. 31, 2021 USD ($)
Inputs used in the fair value measurement of estimated contingent consideration
Estimated contingent consideration	$ 189,155	$ 350,027
Valuation Technique, Forecasted Growth Rates | Minimum
Inputs used in the fair value measurement of estimated contingent consideration
Measurement input	(25.8)	0.7
Valuation Technique, Forecasted Growth Rates | Maximum
Inputs used in the fair value measurement of estimated contingent consideration
Measurement input	38.5	20.1
Valuation Technique, Discount Rates | Minimum
Inputs used in the fair value measurement of estimated contingent consideration
Measurement input	12.0	9.0
Valuation Technique, Discount Rates | Maximum
Inputs used in the fair value measurement of estimated contingent consideration
Measurement input	19.0	15.0