Revenue Recognition (Tables)

9 Months Ended

Sep. 30, 2019

Revenue From Contract With Customer [Abstract]

Summarize Activity of the Net Product Revenue Allowance and Reserve Categories

The following tables summarize activity in each of the net product revenue allowance and reserve categories described above for the nine months ended September 30, 2019 and 2018:

In thousands	Trade Allowances			Rebates, Chargebacks and Discounts			Product Returns			Other Incentives			Total
Balance as of December 31, 2018	$	19,495		$	41,634		$	2,948		$	1,167		$	65,244
Provision related to current period sales		62,177			274,439			1,635			30,882			369,133
Provision related to prior period sales		—			(204	)		—			—			(204	)
Credits/payments made for current period sales		(34,400	)		(184,801	)		5			(30,404	)		(249,600	)
Credits/payments made for prior period sales		(19,325	)		(41,363	)		(653	)		(1,199	)		(62,540	)
Balance as of September 30, 2019	$	27,947		$	89,705		$	3,935		$	446		$	122,033

In thousands	Trade Allowances			Rebates, Chargebacks and Discounts			Product Returns			Other Incentives			Total
Balance as of December 31, 2017	$	12,035		$	32,064		$	1,887		$	2,107		$	48,093
Provision related to current period sales		30,814			128,905			812			14,636			175,167
Provision related to prior period sales		(660	)		(836	)		—			(69	)		(1,565	)
Credits/payments made for current period sales		(15,908	)		(76,015	)		—			(15,038	)		(106,961	)
Credits/payments made for prior period sales		(11,657	)		(29,594	)		(69	)		(2,297	)		(43,617	)
Balance as of September 30, 2018	$	14,624		$	54,524		$	2,630		$	(661	)	$	71,117