Shareholders’ Equity (Tables)

12 Months Ended

Dec. 31, 2021

Stockholders Equity Note [Abstract]

Summary of Ordinary Shares Issued and Outstanding

As of December 31, 2021 and 2020, the Company had the following number of ordinary shares with a par value £0.001 (equivalent to $0.001) issued and outstanding:

	December 31,
	2021		2020
Ordinary shares		38,987,122		—
Class A non-voting ordinary shares		1,616,367		—
B Ordinary shares		—		505,108
D Ordinary shares		—		155,669
E Ordinary shares		—		80,007
F Ordinary shares		—		327,084
G Ordinary shares		—		194,261
H Ordinary shares		—		88,871
I Ordinary shares		—		48,391
J Ordinary shares		—		262,478
L Ordinary shares		—		1,207,670
M Ordinary shares		—		811,436
N Ordinary shares		—		708,945
Deferred Shares		1		30,521
Total ordinary and deferred shares		40,603,490		4,420,441

Summary of Convertible Preferred Shares

As of December 31, 2020, Convertible Preferred Shares consisted of the following (in thousands, except share data):

	Shares				Liquidation		Carrying
	Authorized		Outstanding		preference		value
Series A preferred shares		28,250,000		28,250,000	$	36,725	$	36,725
Series B preferred shares (1)		52,192,070		52,192,070		124,615		124,312
Series C preferred shares		24,412,603		24,412,603		70,081		69,894
		104,854,673		104,854,673	$	231,421	$	230,931