Basis of Presentation and Summary of Significant Accounting Policies - Revenue Recognition (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Provision for U.S. product sales allowances and accruals
Gross U.S. product sales	$ 145,131	$ 41,396	$ 407,238	$ 113,550
Contractual adjustments	41,851	18,179	116,236	49,953
Governmental Rebates	14,363	208	40,018	580
Total provision for U.S product sales allowances and accruals	56,214	18,387	156,254	50,533
U.S. products sales, net	88,917	$ 23,009	250,984	$ 63,017
Medicaid reserves adjustments relating to Makena			5,300
Chargeback reserves adjustments relating Makena			1,900
Restricted Cash
Restricted cash	$ 30,755		$ 30,755