COMMITMENTS AND CONTINGENCIES (Details) - USD ($) $ in Thousands			12 Months Ended
	Aug. 03, 2021	Mar. 24, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
COMMITMENTS AND CONTINGENCIES
Long-term purchase commitment, amount			$ 12,600
Revenue recognition			216,136	$ 208,475	$ 206,547
Arbor Pharmaceuticals [Member]
COMMITMENTS AND CONTINGENCIES
Settlement amount awarded to other party	$ 8,400
Azurity Pharmaceuticals [Member]
COMMITMENTS AND CONTINGENCIES
Settlement amount awarded to other party		$ 1,900
Royalties on future sales (as a percent)		20.00%
Unapproved Products [Member]
COMMITMENTS AND CONTINGENCIES
Revenue recognition			16,200	16,900	20,700
Unapproved Products [Member] | Contract Customer [Member]
COMMITMENTS AND CONTINGENCIES
Revenue recognition			$ 2,400	$ 2,800	$ 3,100