SCHEDULE II: VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Movement in valuation and qualifying accounts
Allowance for cash discounts	$ 900	$ 900
Increase (decrease) in valuation allowance	(89,300)	(2,100)
Sales & return allowances, discounts, chargebacks and rebates:
Movement in valuation and qualifying accounts
Balance at Beginning of Year	53,600	64,442
Deductions	(106,659)	(107,174)
Balance at End of Year	50,312	53,600
Sales & return allowances, discounts, chargebacks and rebates: | Zyla Life Sciences
Movement in valuation and qualifying accounts
Liabilities assumed from Zyla Merger	103,371	96,332
Deferred tax asset valuation allowance:
Movement in valuation and qualifying accounts
Balance at Beginning of Year	101,775	103,906
Additions / Charged as a Reduction to Revenue	0	0
Deductions	(89,251)	(2,131)
Balance at End of Year	$ 12,524	$ 101,775