Theravance Respiratory Company, LLC - Summary financial information (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Jul. 10, 2020
Summary financial information
Current assets	$ 249,870				$ 393,341				$ 249,870	$ 393,341
Current liabilities	58,587				123,571				58,587	123,571
Revenues	14,946	$ 13,194	$ 12,914	$ 14,257	18,730	$ 18,257	$ 15,008	$ 19,862	55,311	71,857	$ 73,414
Net income	(32,034)	$ (35,308)	$ (52,405)	$ (79,679)	(58,434)	$ (73,643)	$ (62,887)	$ (83,053)	(199,426)	(278,017)	(236,455)
TRC
Summary financial information
Current assets	93,275				63,027				93,275	63,027	36,737
Non-current assets	37,695				16,959				37,695	16,959
Current liabilities	$ 252				$ 508				252	508	3,069
Income from continuing operations									122,732	80,477	39,410
Net income									$ 121,191	81,662	39,653
Percentage of equity interest	85.00%								85.00%			85.00%
TRC | Royalties
Summary financial information
Revenues									$ 126,688	73,089	$ 42,790
TRC | Collaborative Arrangement, Transaction with Party to Collaborative Arrangements
Summary financial information
Revenues										$ 10,000