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Summary of significant accounting policies - Narrative (Details)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2022
USD ($)
segment
Jun. 30, 2021
USD ($)
segment
$ / shares
Jun. 30, 2022
USD ($)
segment
Jun. 30, 2021
USD ($)
segment
$ / shares
shares
Mar. 31, 2022
USD ($)
Jan. 01, 2022
USD ($)
Dec. 31, 2021
USD ($)
Mar. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Concentration Risk [Line Items]                  
Number of operating segments | segment 2 2 2 2          
Number of reportable segments | segment 2 2 2 2          
Exercise price of warrants (in USD per share) | $ / shares   $ 0.196   $ 0.196          
Redeemable convertible preferred stock $ 0 $ 274,267 $ 0 $ 274,267 $ 0   $ 0 $ 274,267 $ 274,104
Operating lease right-of-use assets 14,466   14,466       $ 0    
Operating lease liabilities $ 16,873   $ 16,873            
Reclassification                  
Concentration Risk [Line Items]                  
Redeemable convertible preferred stock warrants outstanding   (200)   $ (200)          
Series A-1 Preferred Stock                  
Concentration Risk [Line Items]                  
Issuance of convertible preferred stock, net of issuance costs (in shares) | shares       12,595          
Series A-1 Preferred Stock | Reclassification                  
Concentration Risk [Line Items]                  
Redeemable convertible preferred stock   $ 200   $ 200          
Accounting Standards Update 2016-02 | Cumulative Effect, Period of Adoption, Adjustment                  
Concentration Risk [Line Items]                  
Operating lease right-of-use assets           $ 17,600      
Operating lease liabilities           $ 20,000