Inventories-By Product (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Inventory [Line Items]
Write-downs of inventories to net realizable value	$ 0	$ 10,358,000	$ 133,189,000
Write-down of inventories effect on net income (loss) per share (usd per share)	$ 0.00	$ (0.05)	$ (0.61)
Lumacaftor
Inventory [Line Items]
Research and development expense capitalized	$ 11,800,000