Subsequent Events (Details) - Purchase Agreement to Sell Units in Theravance Respiratory Company, LLC - Royalty Pharma - Subsequent Events $ in Millions	Jul. 20, 2022 USD ($) shares
Subsequent Event [Line Items]
Percentage of Right to Receive Royalty Transferring	85
Proceeds from sale of units. \| $	$ 1,100.0
Consideration Receivable at closing \| $	$ 250.0
Class B Units
Subsequent Event [Line Items]
Units issued \| shares	2,125
Class C Units
Subsequent Event [Line Items]
Units issued \| shares	6,375

Amount of closing payment receivable under agreement.

No definition available.

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Namespace Prefix:	tbph_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Percentage of right to receive royalty is transferred.

+ References

No definition available.

+ Details

Name:	tbph_RoyaltyRevenuePercentage
Namespace Prefix:	tbph_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Definition

Total units issued during the year due to the sale of units. All partners include general, limited and preferred partners.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

The cash inflow from the issuance of common limited partners units during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3255-108585

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Details

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Namespace Prefix:
Data Type:	na
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- Details

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Namespace Prefix:
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- Details

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- Details

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- Details

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