Product Revenue Reserves and Allowances (Tables)

9 Months Ended

Sep. 30, 2020

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of product revenue allowance and reserve categories

The following table summarizes activity in each of the product revenue allowance and reserve categories for the nine months ended September 30, 2020 and 2019 (in thousands):

	Chargebacks, Discounts, and Fees		Government and other rebates		Returns		Total
Ending balance at December 31, 2018	$	3,198	$	7,620	$	411	$	11,229
Provision related to sales in the current year	21,203		44,426		698		66,327
Adjustments related to prior period sales	(27)		697		—		670
Credits and payments made	(19,759)		(34,190)		(575)		(54,524)
Ending balance at September 30, 2019	4,615		18,553		534		23,702
Ending balance at December 31, 2019	$	5,739	$	17,280	$	1,583	$	24,602
Provision related to sales in the current year	16,123		57,120		2,030		75,273
Adjustments related to prior period sales	(107)		(1,570)		—		(1,677)
Credits and payments made	(20,011)		(50,717)		(893)		(71,621)
Ending balance at September 30, 2020	$	1,744	$	22,113	$	2,720	$	26,577