The amount of termination fee received under the collaboration agreement.

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The percentage of economic interest in any future payments made under the strategic alliance agreement and under the portion of the collaboration agreement.

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Represents the number of fiscal quarters considered as the term of the agreement.

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For an unclassified balance sheet, amount of receivables due from an entity that is affiliated with the reporting entity by means of direct or indirect ownership.

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Amount of distribution received from equity method investee for return on investment, classified as operating activities. Excludes distribution for return of investment, classified as investing activities.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

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Amount of expense related to royalty payments under a contractual arrangement such as payment for mineral and drilling rights and use of technology or intellectual property.

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Ancillary revenue earned during the period from the consideration paid to the entity for the use of its rights and property by another party. Examples include licensing the use of copyrighted materials and leasing the extraction of natural resources.

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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.

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Theravance Respiratory Company, LLC (Details)		1 Months Ended		3 Months Ended	12 Months Ended
Theravance Respiratory Company, LLC (Details)	Feb. 21, 2020	Oct. 31, 2021 USD ($)	Jan. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Oct. 31, 2020 USD ($)
Theravance Respiratory Company, LLC
Equity method investments				$ 12,750,000	$ 12,750,000			$ 12,800,000
TRC
Theravance Respiratory Company, LLC
Percentage of equity interest				85.00%	85.00%
Percentage of economic interest	85.00%				85.00%
Number of fiscal quarters					4
Payments to Acquire Equity Method Investments		$ 15,000,000.0
Amount due				$ 53,800,000	$ 53,800,000
Royalty payments					68,400,000	$ 33,700,000	$ 11,200,000
Royalty expenses					2,200,000	$ 2,700,000
Termination fees					$ 8,500,000
TRC \| Arbitration against Innoviva and TRC
Theravance Respiratory Company, LLC
Percentage of economic interest					0.85%
Innoviva
Theravance Respiratory Company, LLC
Partial distribution of funds			$ 21,300,000	$ 2,500,000