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Operating leases - Operating lease liabilities of office rental agreements (Table) (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Property, Plant and Equipment [Line Items] |  |
Operating lease liabilities, current | $ 29,036 | $ 28,227
Operating lease liabilities, non-current | 142,070 | $ 156,282
Office Rental [Member] |  |
Property, Plant and Equipment [Line Items] |  |
June 30, 2026 | 1,120 |
June 30, 2027 | 961 |
June 30, 2028 | 638 |
June 30, 2029 | 362 |
June 30, 2030 | 44 |
June 30, 2031 and thereafter | 0 |
Total undiscounted lease payments | 3,125 |
Discount based on incremental borrowing rate | (266) |
Present value of lease liability | 2,859 |
Operating lease liabilities, current | 1,027 |
Operating lease liabilities, non-current | $ 1,832 |

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