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Intangible assets and goodwill - Amortization expense related to identifiable intangible assets in future periods (Details) - USD ($)
$ in Thousands
Jun. 30, 2022
Dec. 31, 2021
Amortization expense related to identifiable intangible assets in future periods    
2022 remaining $ 1,302  
2023 2,596  
2024 2,713  
2025 2,713  
2026 2,682  
Thereafter 8,793  
Total $ 20,799 $ 21,150