Net Loss per Share (Details) - shares shares in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Anti-dilutive securities
Anti-dilutive securities (in shares)	19,838	20,340	9,239
Stock options | Former employees transferred to Theravance Biopharma in connection with Spin Off
Anti-dilutive securities
Anti-dilutive securities (in shares)	4,100
RSUs | Former employees transferred to Theravance Biopharma in connection with Spin Off
Anti-dilutive securities
Anti-dilutive securities (in shares)	400
RSAs | Former employees transferred to Theravance Biopharma in connection with Spin Off
Anti-dilutive securities
Anti-dilutive securities (in shares)	1,000
Equity incentive plans and ESPP
Anti-dilutive securities
Anti-dilutive securities (in shares)	5,290	6,239	4,095
RSAs
Anti-dilutive securities
Anti-dilutive securities (in shares)	1,644	1,772	2,364
Convertible subordinated notes
Anti-dilutive securities
Anti-dilutive securities (in shares)	12,904	12,329	2,780