Income Taxes (Details) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Schedule of Collaborative Arrangement Agreements [Line Items]
Provision for income taxes	$ 503,000	$ 1,330,000	$ 24,118,000	$ 31,760,000
Income Tax Liability Associated With Variable Interest Entity	0		0
Unrecognized tax benefits	0		0		$ 400,000
Income taxes, interest and penalties accrued	0		0
Income taxes, material interest or penalties related to uncertain tax positions			0		$ 0
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations	400,000
Parion Sciences, Inc
Schedule of Collaborative Arrangement Agreements [Line Items]
Provision for income taxes	$ 500,000		$ 20,100,000