Organization and Summary of Significant Accounting Policies (Details)	3 Months Ended
Mar. 31, 2018 item
Organization and Summary of Significant Accounting Policies
Economic interest in future payments, number of affiliates	1

Represents the number of affiliates in addition to Glaxo Group entity has an economic interest in.

No definition available.

Name:	tbph_PaymentsFromNumberOfAffiliates
Namespace Prefix:	tbph_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration