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Borrowings and debt - Schedule of future payments of long-term borrowings and debt outstanding (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
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Disclosure of Long term borrowings Terms [Line Items] |  |
The amount of long term borrowings and debt after adjusting prepaid commission. | $ 1,728,111 | $ 1,593,043
2022 |  |
Disclosure of Long term borrowings Terms [Line Items] |  |
The amount of long term borrowings and debt after adjusting prepaid commission. | 411,020 |
2023 |  |
Disclosure of Long term borrowings Terms [Line Items] |  |
The amount of long term borrowings and debt after adjusting prepaid commission. | 335,657 |
2024 |  |
Disclosure of Long term borrowings Terms [Line Items] |  |
The amount of long term borrowings and debt after adjusting prepaid commission. | 319,331 |
2025 |  |
Disclosure of Long term borrowings Terms [Line Items] |  |
The amount of long term borrowings and debt after adjusting prepaid commission. | 611,668 |
2026 |  |
Disclosure of Long term borrowings Terms [Line Items] |  |
The amount of long term borrowings and debt after adjusting prepaid commission. | 34,049 |
2027 |  |
Disclosure of Long term borrowings Terms [Line Items] |  |
The amount of long term borrowings and debt after adjusting prepaid commission. | $ 16,386 |

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