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Subsequent Events (Details) - USD ($) $ / shares in Units, $ in Thousands |  |  |  |  |  |  |  |  | 1 Months Ended | 12 Months Ended |  |  |
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Apr. 15, 2025 | Mar. 18, 2025 | Mar. 12, 2025 | Jan. 21, 2025 | Jan. 15, 2025 | Feb. 21, 2024 | Mar. 07, 2023 | Apr. 15, 2022 | Mar. 31, 2025 | Oct. 31, 2024 | Sep. 30, 2023 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Apr. 14, 2025 | Mar. 11, 2025 | Jan. 14, 2025
Subsequent Events [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, shares outstanding (in shares) |  |  |  |  |  |  |  |  |  |  |  | 533,136 | 520,459 |  |  |  |
Loss on sale of vessel |  |  |  |  |  |  |  |  |  |  |  | $ (7) | $ 0 | $ 0 |  |  |
Payment for equity method investment |  |  |  |  |  |  |  |  |  |  |  | 1,375 | 1,643 | 0 |  |  |
RFSea [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Events [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payment for equity method investment |  |  |  |  |  |  |  |  |  | $ 1,375 | $ 1,375 |  |  |  |  |  |
Related Party [Member] | Steamship [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Events [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accrued performance bonus |  |  |  |  |  |  |  |  |  |  |  | $ 225 |  |  |  |  |
Related Party [Member] | Steamship [Member] | Brokerage Services [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Events [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Renewal term of agreement |  |  |  |  |  |  |  |  |  |  |  | 1 year |  |  |  |  |
M/V Salt Lake City [Member] | Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Events [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss on sale of vessel |  |  |  | $ (600) |  |  |  |  |  |  |  |  |  |  |  |  |
Series D Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Events [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends paid on preferred stock |  |  |  |  |  |  |  |  |  |  |  | $ 1,022 | $ 968 | 117 |  |  |
Preferred stock, shares outstanding (in shares) |  |  |  |  |  |  |  |  |  |  |  | 23,083 | 13,738 |  |  |  |
Series C Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Events [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends paid on preferred stock |  |  |  |  |  |  |  |  |  |  |  | $ 614 | $ 1,121 | $ 780 |  |  |
Preferred stock, shares outstanding (in shares) |  |  |  |  |  |  |  |  |  |  |  | 8,853 | 5,521 |  |  |  |
Series C Preferred Stock [Member] | 2021 Equity Incentive Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Events [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Awards granted (in shares) |  |  |  |  |  |  | 3,332 | 1,982 |  |  |  | 3,332 | 3,332 | 1,982 |  |  |
Vesting period |  |  |  |  |  |  |  |  |  |  |  | 2 years | 2 years | 2 years |  |  |
Series C Preferred Stock [Member] | Restricted Shares [Member] | 2021 Equity Incentive Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Events [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Awards granted (in shares) |  |  |  |  |  | 3,332 |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Member] | RFSea [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Events [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payment for equity method investment |  | $ 1,375 |  |  |  |  |  |  | $ 1,375 |  |  |  |  |  |  |  |
Subsequent Event [Member] | Related Party [Member] | Steamship [Member] | Brokerage Services [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Events [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Renewal term of agreement |  |  | 1 year |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Member] | M/V Salt Lake City [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Events [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales price |  |  |  | $ 16,100 |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Member] | Series C Preferred Stock [Member] | 2021 Equity Incentive Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Events [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares authorized to be delivered pursuant to awards granted (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 25,000 |
Subsequent Event [Member] | Series C Preferred Stock [Member] | Restricted Shares [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Events [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Awards granted (in shares) |  |  | 3,332 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting period |  |  | 2 years |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Member] | Quarterly Dividend Declared for Q4-2024 [Member] | Series D Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Events [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividend payable, date to be paid |  |  |  |  | Jan. 15, 2025 |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock dividend paid per share (in dollars per share) |  |  |  |  | $ 17.5 |  |  |  |  |  |  |  |  |  |  |  |
Dividends paid on preferred stock |  |  |  |  | $ 404 |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, shares outstanding (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 23,083
Dividend payable, date of record |  |  |  |  | Jan. 14, 2025 |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Member] | Quarterly Dividend Declared for Q4-2024 [Member] | Series C Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Events [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividend payable, date to be paid |  |  |  |  | Jan. 15, 2025 |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock dividend paid per share (in dollars per share) |  |  |  |  | $ 20 |  |  |  |  |  |  |  |  |  |  |  |
Dividends paid on preferred stock |  |  |  |  | $ 177 |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, shares outstanding (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 8,853
Dividend payable, date of record |  |  |  |  | Jan. 14, 2025 |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Member] | Quarterly Dividend Declared for Q1-2025 [Member] | Series D Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Events [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividend payable, date to be paid | Apr. 15, 2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock dividend paid per share (in dollars per share) | $ 17.5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends paid on preferred stock | $ 404 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, shares outstanding (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 23,083 |  |
Dividend payable, date of record | Apr. 14, 2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Member] | Quarterly Dividend Declared for Q1-2025 [Member] | Series C Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Events [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividend payable, date to be paid | Apr. 15, 2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock dividend paid per share (in dollars per share) | $ 20 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends paid on preferred stock | $ 202 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, shares outstanding (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 8,853 |  |
Dividend payable, date of record | Apr. 14, 2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Member] | Quarterly Dividend Declared for Q1-2025 [Member] | Directors [Member] | Series C Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Events [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, shares outstanding (in shares) |  |  | 3,332 |  |  |  |  |  |  |  |  |  |  |  |  |  |

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