Income Taxes - Schedule of Changes in Valuation Allowance for Deferred Tax Assets Related Primarily to Increase in U.K. Net Operating Loss Carryforwards (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Valuation allowance as of beginning of year	$ (161,573)	$ (103,890)
Increases recorded to income tax provision	(34,248)	(59,691)
Effect of foreign currency translation	18,191	2,008
Valuation allowance as of end of year	$ (177,630)	$ (161,573)