The amount of maximum potential payments receivable under the collaboration arrangement.

No definition available.

Name:	tbph_CollaborationArrangementMaximumPotentialPaymentsReceivable
Namespace Prefix:	tbph_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of upfront payments receivable under the collaboration arrangement.

+ References

No definition available.

+ Details

Name:	tbph_CollaborationArrangementUpfrontPaymentsReceivable
Namespace Prefix:	tbph_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Revenue earned under collaborative arrangements from upfront payments and contingent payments.

+ References

No definition available.

+ Details

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

- Definition

Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

+ References

No definition available.

+ Details

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

- Definition

Represents the percentage of profit or loss sharing arrangement as per collaboration agreement.

+ References

No definition available.

+ Details

Name:	tbph_ProfitLossPercentageAsPerCollaborationAgreement
Namespace Prefix:	tbph_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

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.

+ References

No definition available.

+ Details

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

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_CounterpartyNameAxis=tbph_JanssenBiotechIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=us-gaap_CollaborativeArrangementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ProductOrServiceAxis=tbph_Td1473Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Collaborative Arrangements - Janssen Biotech Agreement (Details) - USD ($) $ in Thousands	1 Months Ended		3 Months Ended
	Feb. 28, 2018	Jan. 31, 2015	Mar. 31, 2018	Mar. 31, 2017
Collaborative Arrangements
Percentage of profit share	33.00%	35.00%
Revenue from collaborative arrangements			$ 4,640	$ 37
Revenue from the recognition of previously deferred revenue			16
Janssen
Collaborative Arrangements
Upfront payment receivable	$ 100,000
Percentage of profit share	67.00%
Maximum potential payments receivable	$ 900,000
Revenue from collaborative arrangements	4,600		$ 4,613
Revenue from the recognition of previously deferred revenue	95,400
Janssen \| Collaborative Arrangement
Collaborative Arrangements
Milestone payment	700,000
Janssen \| Collaborative Arrangement \| TD-1473
Collaborative Arrangements
Milestone payment	$ 200,000