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Related party transactions - Schedule of Related Party Transactions (Details) - Associated Companies - Related Party - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Related Party Transaction [Line Items] |  |  |
Management fees and other | $ 11,781 | $ 11,074 | $ 14,418
Dividends | 13,325 | 10,933 | 34,245
Contributions | (12,548) | (4,509) | (23,102)
Income from transactions with related parties | $ 12,558 | $ 17,498 | $ 25,561

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