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Long-term bank loans - Interest and finance costs (Table) (Details) - USD ($) $ in Thousands | 6 Months Ended
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Jun. 30, 2023 | Jun. 30, 2022
Debt Disclosure [Abstract] |  |
Interest on financing agreements | $ 43,323 | $ 21,718
Reclassification adjustments of interest rate swap loss/(gain) transferred to Interest and finance costs from Other Comprehensive Income (Note 13) | (14,412) | (633)
Amortization of debt (loan & lease) issuance costs | 1,990 | 2,641
Other bank and finance charges | 830 | 582
Interest and finance costs | $ 31,731 | $ 24,308

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