Commitments and contingencies (Details) - Commitments and Maturity of Commitments - USD ($) $ in Millions |
Dec. 31, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Commitments and Contingencies Disclosure [Abstract] | ||
| Delivery installment | $ 294.8 | $ 621.0 |
| Back-end fee | 0.0 | $ 9.0 |
| Less than 1 year | 0.0 | |
| 1-3 years | $ 294.8 |