Intangible Assets and Goodwill (Tables)

9 Months Ended

Sep. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived Intangible Assets by Major Class

The following table sets forth the carrying amounts and accumulated amortization of the Company’s intangible assets:

	As of September 30, 2017							As of December 31, 2016
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
	(in thousands)
Amortizable intangible assets:
Product licenses(1)	$	—	$	—		$	—	$	30,000	$	(3,013	)	$	26,987
Developed product rights(2)	309,180		(23,215		)	285,965		370,560		(35,946		)	334,614
Total amortizable intangible assets	309,180		(23,215		)	285,965		400,560		(38,959		)	361,601
Intangible assets not subject to amortization:
In-process research and development	$	—	$	—		$	—	$	253,620	$	—		$	253,620
Total intangible assets not subject to amortization	—		—			—		253,620		—			253,620
Total intangible assets	$	309,180	$	(23,215	)	$	285,965	$	654,180	$	(38,959	)	$	615,221

_______________________________________

(1) The Company amortizes intangible assets related to the product licenses over their expected useful lives.

(2) The Company amortizes intangible assets related to developed product rights over the remaining life of the patents.

Schedule of Indefinite-lived Intangible Assets by Major Class

The following table sets forth the carrying amounts and accumulated amortization of the Company’s intangible assets:

	As of September 30, 2017							As of December 31, 2016
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
	(in thousands)
Amortizable intangible assets:
Product licenses(1)	$	—	$	—		$	—	$	30,000	$	(3,013	)	$	26,987
Developed product rights(2)	309,180		(23,215		)	285,965		370,560		(35,946		)	334,614
Total amortizable intangible assets	309,180		(23,215		)	285,965		400,560		(38,959		)	361,601
Intangible assets not subject to amortization:
In-process research and development	$	—	$	—		$	—	$	253,620	$	—		$	253,620
Total intangible assets not subject to amortization	—		—			—		253,620		—			253,620
Total intangible assets	$	309,180	$	(23,215	)	$	285,965	$	654,180	$	(38,959	)	$	615,221

_______________________________________

(1) The Company amortizes intangible assets related to the product licenses over their expected useful lives.

(2) The Company amortizes intangible assets related to developed product rights over the remaining life of the patents.