INCOME TAXES - Deferred tax (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Deferred tax assets:
Accruals and advances	$ 12,470	$ 9,233
Stock-based compensation	6,013	6,041
Accruals for chargebacks and returns	17,358	15,344
Inventories	4,569	5,292
Intangible assets	40,193	33,431
Net operating loss carryforwards	2,900	5,994
Capitalized research expenditures	11,294	4,708
Other	7,450	11,840
Total deferred tax assets	102,247	91,883
Deferred tax liabilities:
Depreciation	(5,658)	(5,776)
Other liabilities	(5,440)	(4,298)
Total deferred tax liabilities	(11,098)	(10,074)
Valuation allowance	(438)	(446)
Deferred tax assets, net of deferred tax liabilities and valuation allowance	$ 90,711	$ 81,363