Income Taxes (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
	Jun. 04, 2015	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Schedule of Collaborative Arrangement Agreements [Line Items]
Provision for income taxes		$ 30,131	$ 693	$ 30,430	$ 1,496
Unrecognized tax benefits		900		900		$ 900
Estimated reduction in unrecognized tax benefits in next fiscal year		$ 500		500
Parion Sciences, Inc
Schedule of Collaborative Arrangement Agreements [Line Items]
Provision for income taxes				$ 29,700
Up-front payment	$ 80,000