Consolidated Entities and Acquisitions - Theravance Respiratory Company, LLC (Details) - USD ($) $ in Thousands		3 Months Ended				6 Months Ended		12 Months Ended
	Jul. 20, 2022	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Income statements
Total revenue		$ 80,992		$ 108,220		$ 157,364	$ 198,279
Other income, net		(1,896)		(528)		(3,242)	(778)
Income tax expense, net		4,525		(876)		10,800	5,984
Net income		1,280	$ 34,865	21,371	$ 37,858	36,145	59,229
Royalty revenue
Income statements
Total revenue		$ 62,265		108,220		$ 119,123	198,279
Theravance Respiratory Company, LLC
CONSOLIDATED ENTITIES
Ownership interest in LLC								15.00%
Proceeds from sale of economic interest under Equity Purchase Agreement	$ 277,500
Contingent sales based milestone payment	50,000
Cash distribution	4,400
Equity method investments	$ 39,400
Income statements
Operating expenses				139			337
Income from operations				42,581			71,692
Other income, net				10			10
Income tax expense, net				0			1
Changes in fair values of equity and long-term investments				9,313			(8,884)
Net income				33,278			62,819
Theravance Respiratory Company, LLC | Royalty revenue
Income statements
Total revenue				$ 42,720			$ 72,029