Basis of presentation and consolidation and significant accounting policies - Additional Information (Details)	Mar. 30, 2022 USD ($) $ / shares shares	Mar. 29, 2022	Jun. 30, 2022 $ / shares shares	Dec. 31, 2021 $ / shares shares
Accounting Policies [Abstract]
Share Subdivision ratio	10
Ordinary shares, authorized share capital | $	$ 30,000
Ordinary shares, shares authorized (in shares) | shares	5,000,000,000		5,000,000,000	5,000,000,000
Ordinary shares, par value (in dollars per share) | $ / shares	$ 0.000006		$ 0.000006	$ 0.000006
ADS to ordinary shares conversion ratio	10	1