FAIR VALUE MEASUREMENTS - Financial Assets And Liabilities Measured At Fair Value On Recurring Basis (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Money Market Funds | Restricted Cash And Cash Equivalents
Assets:
Fair value of financial assets measured on recurring basis	$ 7,100	$ 12,200
Fair Value, Measurements, Recurring | Acquisition-related Contingent Consideration
Liabilities:
Fair value of financial liabilities measured on recurring basis	14,653	16,571
Fair Value, Measurements, Recurring | Money Market Funds
Assets:
Fair value of financial assets measured on recurring basis	7,108	12,226
Fair Value, Measurements, Recurring | Level 1 Inputs | Acquisition-related Contingent Consideration
Liabilities:
Fair value of financial liabilities measured on recurring basis	0	0
Fair Value, Measurements, Recurring | Level 1 Inputs | Money Market Funds
Assets:
Fair value of financial assets measured on recurring basis	7,108	12,226
Fair Value, Measurements, Recurring | Level 2 Inputs | Acquisition-related Contingent Consideration
Liabilities:
Fair value of financial liabilities measured on recurring basis	0	0
Fair Value, Measurements, Recurring | Level 2 Inputs | Money Market Funds
Assets:
Fair value of financial assets measured on recurring basis	0	0
Fair Value, Measurements, Recurring | Level 3 Inputs | Acquisition-related Contingent Consideration
Liabilities:
Fair value of financial liabilities measured on recurring basis	14,653	16,571
Fair Value, Measurements, Recurring | Level 3 Inputs | Money Market Funds
Assets:
Fair value of financial assets measured on recurring basis	$ 0	$ 0