ACCOUNTS PAYABLE AND ACCRUED EXPENSES - Schedule of Accounts Payable and Accrued Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Accounts Payable and Accrued Liabilities, Current [Abstract]
Trade accounts payable	$ 123,129	$ 94,408
Returns and allowances	183,116	207,916
Rebates	150,039	126,644
Chargebacks	2,617	2,177
Other sales deductions	2,500	0
Accrued interest	106,735	98,105
Accrued payroll and related benefits	90,029	130,092
Accrued royalties and other distribution partner payables	58,422	59,745
Acquisition-related contingent consideration—current	5,748	8,566
Other	114,563	108,287
Total	$ 836,898	$ 835,940