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Transactions with Related Parties (Narrative) (Details) - USD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Jul. 02, 2024 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Related Party Transaction [Line Items] |  |  |  |
Accounts payable |  | $ 8,990 | $ 9,663 |
8.75% Senior Unsecured Bond [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Loan amount | $ 150,000 |  |  |
8.75% Senior Unsecured Bond [Member] | Officers And Directors |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Proceeds from issuance of unsecured debt | $ 47,300 |  |  |
Altair Travel Agency S.A. [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related Party Transaction, Amounts of Transaction |  | 2,569 | 2,525 | $ 2,644
Accounts payable |  | 190 | 62 |
Steamship Shipbroking Enterprises [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Accounts payable |  | 0 | 697 |
Steamship Shipbroking Enterprises [Member] | Comissions [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related Party Transaction, Amounts of Transaction |  | 544 | 906 | 1,219
Steamship Shipbroking Enterprises [Member] | Brokerage Fees [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related Party Transaction, Amounts of Transaction |  | $ 4,093 | $ 3,900 | $ 3,309

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