REVENUE - Schedule of Disaggregated Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Disaggregation of Revenue [Line Items]
Total net product sales	$ 177,376	$ 168,923
Total net product sales
Disaggregation of Revenue [Line Items]
Total net product sales	177,376	167,594
EXPAREL
Disaggregation of Revenue [Line Items]
Total net product sales	143,274	136,529
ZILRETTA
Disaggregation of Revenue [Line Items]
Total net product sales	26,767	23,338
iovera°
Disaggregation of Revenue [Line Items]
Total net product sales	6,176	5,123
Bupivacaine liposome injectable suspension
Disaggregation of Revenue [Line Items]
Total net product sales	$ 1,159	$ 2,604