Convertible Preferred Shares - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions		12 Months Ended
	Apr. 17, 2020	Dec. 31, 2020
Convertible B preferred stock
Debt Instrument, Redemption [Line Items]
Proceeds from issuance of debt	$ 80.0
Cash proceeds from issuance	$ 61.6
Convertible preferred shares (in shares)	4,913,404
Preferred shares issuance costs	$ 0.3
Conversion of notes into B convertible preferred shares (in shares)	1,723,263	1,723,263
Issuance price of Series B convertible preferred shares (in dollars per share)	$ 1.42
Convertible preferred shares issued (in shares)		6,636,667
Ordinary shares
Debt Instrument, Redemption [Line Items]
Convertible preferred shares issued (in shares)		16,419,172