Consolidated Statements of Comprehensive (Loss) Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Statement [Abstract]
Net (loss) income	$ (615,117)	$ 515,837	$ 528,584
Other comprehensive income (loss):
Unrealized gain (loss) on investments	9,310	(7,524)	(957)
Actuarial (loss) gain	(1,003)	(499)	1,136
Total other comprehensive income (loss)	8,307	(8,023)	179
Comprehensive (loss) income	(606,810)	507,814	528,763
Comprehensive loss attributable to noncontrolling interest	(56)	0	0
Comprehensive (loss) income attributable to Vir	$ (606,754)	$ 507,814	$ 528,763