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Financial Instruments and Fair Value Disclosures (Narrative-Fair value measurements) (Details) - USD ($) $ in Thousands | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Carrying value | $ 119,100 | $ 125,000
8.375% Senior Unsecured Bond. |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Carrying value | 119,100 |
8.375% Senior Unsecured Bond. | Level 1 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair value | $ 117,760 |

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