Fair value measurements - Summary of Redeemable Convertible Preferred Stock Liability Measured at Fair Value (Detail) - $ / shares |
12 Months Ended | |
|---|---|---|
Oct. 06, 2020 |
Dec. 31, 2021 |
|
| Schedule of redeemable convertible preferred stock liability measured at fair value [Line Items] | ||
| Dividend yield | 0.00% | |
| Mandatorily Redeemable Preferred Stock [Member] | ||
| Schedule of redeemable convertible preferred stock liability measured at fair value [Line Items] | ||
| Exercise price | $ 11.21 | |
| Dividend yield | 0.00% | |
| Volatility | 0.00% | |
| Mandatorily Redeemable Preferred Stock [Member] | Minimum [Member] | ||
| Schedule of redeemable convertible preferred stock liability measured at fair value [Line Items] | ||
| Term (in years) | 7 days | |
| Risk-free interest rate | 0.08% | |
| Mandatorily Redeemable Preferred Stock [Member] | Maximum [Member] | ||
| Schedule of redeemable convertible preferred stock liability measured at fair value [Line Items] | ||
| Term (in years) | 9 months | |
| Risk-free interest rate | 0.11% |