FAIR VALUE MEASUREMENTS - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Assets:
Total	$ 280,310	$ 250,269
Liabilities:
Contingent consideration arrangements	0	7,845
Quoted Market Prices for Identical Assets in Active Markets (Level 1)
Assets:
Total	274,212	249,422
Liabilities:
Contingent consideration arrangements	0	0
Significant Other Observable Inputs (Level 2)
Assets:
Total	6,098	847
Liabilities:
Contingent consideration arrangements	0	0
Significant Unobservable Inputs (Level 3)
Assets:
Total	0	0
Liabilities:
Contingent consideration arrangements	0	7,845
Money market funds
Assets:
Total	274,212	249,422
Money market funds | Quoted Market Prices for Identical Assets in Active Markets (Level 1)
Assets:
Total	274,212	249,422
Money market funds | Significant Other Observable Inputs (Level 2)
Assets:
Total	0	0
Money market funds | Significant Unobservable Inputs (Level 3)
Assets:
Total	0	0
Time deposits
Assets:
Total	6,098	847
Time deposits | Quoted Market Prices for Identical Assets in Active Markets (Level 1)
Assets:
Total	0	0
Time deposits | Significant Other Observable Inputs (Level 2)
Assets:
Total	6,098	847
Time deposits | Significant Unobservable Inputs (Level 3)
Assets:
Total	$ 0	$ 0