Revenue from Contracts with Customers - Product Revenue Provision and Allowance Categories (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Rebates and Incentives
Allowance categories
Balance at beginning of the period	$ 142,379	$ 132,775
Acquired from BDSI	34,158
Provision related to current period sales	95,413	86,716
Changes in estimate related to prior period sales	(514)	(441)
Credits/payments made	(118,937)	(75,442)
Balance at end of the period	152,499	143,608
Product Returns
Allowance categories
Balance at beginning of the period	54,617	23,779
Acquired from BDSI	18,187
Provision related to current period sales	7,072	3,730
Credits/payments made	(4,899)	(14,964)
Balance at end of the period	74,977	12,545
Trade Allowances and Chargebacks
Allowance categories
Balance at beginning of the period	13,226	19,055
Acquired from BDSI	7,575
Provision related to current period sales	22,612	21,002
Changes in estimate related to prior period sales	(37)
Credits/payments made	(22,001)	(23,853)
Balance at end of the period	$ 21,375	$ 16,204