Redeemable convertible preferred stock (Details) - USD ($) $ / shares in Units, $ in Thousands			1 Months Ended	3 Months Ended	6 Months Ended
	Jul. 14, 2021	Jun. 25, 2021	Mar. 31, 2021	Mar. 31, 2021	Jun. 30, 2021	Jul. 19, 2021
Redeemable convertible preferred stock
Temporary equity share price (in dollars per share)						$ 0.01
Proceeds from issuance of redeemable convertible preferred stock, net of issuance costs					$ 79,743
Preferred stock, authorized (in shares)						10,000,000
Peferred stock , par value (in shares)						$ 0.01
Series C2 Redeemable Convertible Preferred Stock
Redeemable convertible preferred stock
Number of shares exchanged		11,437,301
Series D1 and D2 Redeemable Convertible Preferred Stock
Redeemable convertible preferred stock
Temporary equity share price (in dollars per share)			$ 3.60	$ 3.60
Issuance costs			$ 1,300
Peferred stock , par value (in shares)			$ 3.60	$ 3.60
Series D1 Redeemable Convertible Preferred Stock
Redeemable convertible preferred stock
Shares issued			22,086,725	22,086,725
Proceeds from issuance of redeemable convertible preferred stock, net of issuance costs			$ 79,500
Series D2 Redeemable Convertible Preferred Stock
Redeemable convertible preferred stock
Shares issued			413,268	413,268
Proceeds from issuance of redeemable convertible preferred stock, net of issuance costs			$ 1,500
Number of shares exchanged		2,364,509
Common Class A
Redeemable convertible preferred stock
Conversion of Stock, Shares Issued	24,200,920
Common Class B
Redeemable convertible preferred stock
Conversion of Stock, Shares Issued	6,903,379