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Debt (Tables) | 3 Months Ended
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Mar. 31, 2025
Debt Disclosure [Abstract] |
Schedule of Long-Term Debt | At March 31, 2025 and December 31, 2024, long-term debt consisted of the following:
| March 31, 2025 |  | December 31, 2024
$150,000 Credit facility at variable interest rate (7.84%1 weighted average at March 31, 2025), due February 2027 secured by substantially all of the Partnership’s assets, including, without limitation, inventory, accounts receivable, vessels, equipment, fixed assets and the interests in the Partnership’s operating subsidiaries, net of unamortized debt issuance costs of $2,032 and $2,242, respectively 2 | $ | 63,968 |  |  | $ | 51,258 |
$400,000 Senior notes, 11.5% interest, net of unamortized debt issuance costs of $5,719 and $6,223, respectively, including unamortized premium of $6,800 and $7,400, respectively, due February 2028, secured 2 | 387,481 |  |  | 386,377 |
Total | 451,449 |  |  | 437,635 |
Less: current portion | — |  |  | — |
Total long-term debt, net of current portion | $ | 451,449 |  |  | $ | 437,635 |
1 The interest rate fluctuates based on Adjusted Term SOFR (set on the date of each advance) or the alternate base rate plus an applicable margin. The margin is set every three months. All amounts outstanding at March 31, 2025 were at Adjusted Term SOFR plus an applicable margin of 3.25%. The applicable margin for revolving loans that are SOFR loans ranges from 2.75% to 3.75%, and the applicable margin for revolving loans that are alternate base rate loans ranges from 1.75% to 2.75%. The applicable margin for SOFR borrowings effective April 16, 2025, is 3.50%. The credit facility contains various covenants that limit the Partnership’s ability to make distributions; make certain investments and acquisitions; enter into certain agreements; incur indebtedness; sell assets; and make certain amendments to the Partnership's omnibus agreement with Martin Resource Management Corporation (as amended, the "Omnibus Agreement"). 2 The Partnership was in compliance with all debt covenants as of March 31, 2025 and December 31, 2024.

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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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