Income Taxes - Carryforwards (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Carryforwards
NOLs related to excess equity-based compensation tax deductions	$ 172,944	$ 188,873
Uncertain Tax Benefits
Amount of unrecognized tax benefits recorded prior to 2015	0
Amount of uncertain tax benefits related to tax positions of prior tax years	12,700
Impact to income tax expense from unrecognized tax benefits due to valuation allowance	0
Amount of uncertain tax benefits that, if recognized, would impact the effective tax rate	12,400
Lumara Health
Uncertain Tax Benefits
Increase in unrecognized tax benefits	12,700
Federal
Carryforwards
NOL carryforwards	502,500
NOLs related to excess equity-based compensation tax deductions	55,600
Tax credit carryforwards	5,500
Federal | Lumara Health
Carryforwards
NOL carryforwards	280,500
Tax credit carryforwards	1,900
Research Tax Credit Carryforward | Federal
Carryforwards
Tax credit carryforwards	3,100
Capital Loss Carryforward | Federal
Carryforwards
NOL carryforwards	1,700
State
Carryforwards
NOL carryforwards	415,300
NOLs related to excess equity-based compensation tax deductions	30,500
Tax credit carryforwards	1,100
State | Lumara Health
Carryforwards
NOL carryforwards	275,000
State | CBR Acquisition Holdings Corp
Carryforwards
NOL carryforwards	24,600
State | Research Tax Credit Carryforward
Carryforwards
Tax credit carryforwards	$ 2,800