Theravance Respiratory Company, LLC (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Theravance Respiratory Company, LLC
Equity interest	85.00%
TRC
Theravance Respiratory Company, LLC
Equity interest	85.00%
Value of investment	$ 5.4	$ 0.2
Royalty payments	$ 11.2	$ 0.2

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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- Definition

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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