Consolidated Entities - Theravance Respiratory Company, LLC (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended		12 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Assets
Cash and cash equivalents	$ 283,580				$ 283,580		$ 201,525
Receivables from collaborative arrangements	111,676				111,676		110,711
Prepaid expenses	3,953				3,953		1,367
Equity and long-term investments	494,097				494,097		483,845
Total assets	1,137,639				1,137,639		926,395
Liabilities and LLC Members' Equity
Current liabilities	125,908				125,908		5,807
Total liabilities and stockholders' equity	1,137,639				1,137,639		$ 926,395
Income statements
Total revenue	108,220		$ 100,806		198,279	$ 186,324
Operating expenses	25,666		4,266		37,996	10,301
Income from operations	82,554		96,540		160,283	176,023
Other income, net	(528)		(951)		(778)	(1,384)
Income tax expense (benefit), net	(876)		25,333		5,984	45,069
Changes in fair values of equity and long-term investments	(58,600)		45,315		(68,011)	100,360
Net income	21,371	$ 37,858	110,846	$ 109,695	$ 59,229	220,541
Theravance Respiratory Company, LLC
CONSOLIDATED ENTITIES
Economic interest in LLC (in percent)					15.00%		15.00%
Assets
Cash and cash equivalents	89,806				$ 89,806		$ 50,713
Receivables from collaborative arrangements	42,720				42,720		42,492
Prepaid expenses	85				85		71
Equity and long-term investments	42,536				42,536		37,695
Total assets	175,147				175,147		130,971
Liabilities and LLC Members' Equity
Current liabilities	493				493		252
LLC members' equity	174,654				174,654		130,719
Total liabilities and stockholders' equity	175,147				175,147		$ 130,971
Income statements
Operating expenses	139		336		337	3,617
Income from operations	42,581		26,050		71,692	44,853
Other income, net	10		0		10	0
Income tax expense (benefit), net	0		0		1	0
Changes in fair values of equity and long-term investments	(9,313)		(254)		(8,884)	(737)
Net income	33,278		25,796		62,819	44,116
Theravance Respiratory Company, LLC | Royalty revenue from a related party
Income statements
Total revenue	$ 42,720		$ 26,386		$ 72,029	$ 48,470