Initial Cash Payment Per Collaboration Agreement.

No definition available.

Name:	tbph_InitialCashPaymentPerCollaborationAgreement
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

Period in which remaining performance obligation is expected to be recognized as revenue, in 'PnYnMnDTnHnMnS' format.

+ References

No definition available.

+ Details

Name:	tbph_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfaction
Namespace Prefix:	tbph_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of performance obligation.

+ References

No definition available.

+ Details

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

- Definition

Represents the premium proceeds received by entity from sale of stock transaction.

+ References

No definition available.

+ Details

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

- Definition

For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)(3)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

+ Details

Name:	us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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

- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=118944033&loc=SL49130531-203044

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130549-203045

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=118944033&loc=SL49130532-203044

+ Details

Name:	us-gaap_ContractWithCustomerLiability
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130549-203045

+ Details

Name:	us-gaap_ContractWithCustomerLiabilityRevenueRecognized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount, excluding 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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045

+ Details

Name:	us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 13
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130556-203045

+ Details

Name:	us-gaap_RevenueRemainingPerformanceObligation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	srt_CounterpartyNameAxis=tbph_MylanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=tbph_OrdinarySharePurchaseAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	srt_ProductOrServiceAxis=tbph_FuturePotentialCombinationProductsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ContingentConsiderationByTypeAxis=tbph_Milestone50PercentEnrollmentInPhase3Member
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_ContingentConsiderationByTypeAxis=tbph_SalesMilestonesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CounterpartyNameAxis=tbph_PfizerInc.Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Revenue - Development and Commercialization Agreement (Details) $ in Thousands	1 Months Ended				3 Months Ended			12 Months Ended		24 Months Ended
	Dec. 31, 2019 USD ($) plan	Jun. 30, 2019 USD ($)	Feb. 28, 2018	Jan. 31, 2015 plan	Mar. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2016 USD ($)
Collaborative Arrangements and Co-Promote Agreement
Milestone payment					$ 19,862		$ 5,338
Percentage of profit share			33.00%		35.00%
Mylan
Collaborative Arrangements and Co-Promote Agreement
Upfront payment receivable		$ 18,500
Potential milestone or contingent payments					$ 1,500
Transaction price					$ 34,200
Number of performance obligations \| plan				2
Performance period (in years)				17 years	12 years
Deferred revenue					$ 300
Percentage of profit share					65.00%
Mylan \| Purchase Agreement
Collaborative Arrangements and Co-Promote Agreement
Premium proceeds from sale of ordinary shares					$ 4,200
Mylan \| Development and Commercialization Agreement
Collaborative Arrangements and Co-Promote Agreement
Initial cash payment									$ 15,000	$ 30,000
Milestone payment									$ 15,000
Mylan \| Future potential combination products
Collaborative Arrangements and Co-Promote Agreement
Potential milestone or contingent payments		$ 7,500			45,000
Mylan \| Milestone - 50% enrollment in Phase 3 twelve-month safety study \| Collaborative Arrangement
Collaborative Arrangements and Co-Promote Agreement
Milestone payment								$ 15,000
Mylan \| Sales milestones
Collaborative Arrangements and Co-Promote Agreement
Potential milestone or contingent payments					$ 150,000
Pfizer
Collaborative Arrangements and Co-Promote Agreement
Upfront payment receivable	$ 10,000					$ 10,000
Number of performance obligations \| plan	2
Pfizer \| Sales milestones
Collaborative Arrangements and Co-Promote Agreement
Milestone payment	$ 240,000