Collaborative Arrangements - Development and Collaboration Agreement (Details) $ in Millions	1 Months Ended
Apr. 30, 2018 USD ($)
Development and Commercialization Agreement \| Alfasigma \| Subsequent Event
Development and Collaboration Agreement
Milestone payment	$ 10.0

Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

No definition available.

Name:	tbph_RevenueFromContractWithCustomerIncludingAssessedTax
Namespace Prefix:	tbph_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration