Income Taxes - Components of Income (Loss) before Income Tax (Details) - USD ($) $ in Thousands	1 Months Ended	11 Months Ended	12 Months Ended
	Jan. 29, 2021	Dec. 31, 2021	Dec. 31, 2022
Income Tax Disclosure [Abstract]
UK		$ (331,423)	$ (173,476)
Non-UK		(49,534)	(43,478)
Loss before income taxes	$ (829)	$ (380,957)	$ (216,954)