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Intangible assets and goodwill - Future Amortization (Details)
$ in Thousands
Sep. 30, 2021
USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]  
2021 $ 14,413
2022 57,650
2023 57,650
2024 9,905
2025 and thereafter 7,142
Total $ 146,760