XML 41 R30.htm IDEA: XBRL DOCUMENT
v3.25.3

Leases (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2025
Leases [Abstract] |
Schedule of Components of Lease Expense | The components of lease expense for the nine months ended September 30, 2025 and 2024, were as follows:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2025 |  | 2024 |  | 2025 |  | 2024
Operating lease cost | $ | 6,852 |  |  | $ | 5,483 |  |  | $ | 19,485 |  |  | $ | 15,603 |
Finance lease cost: |  |  |  |  |  |  |
Amortization of right-of-use assets | $ | 4 |  |  | $ | 4 |  |  | 12 |  |  | 7 |
Interest on lease liabilities | 1 |  |  | 1 |  |  | 3 |  |  | 2 |
Short-term lease cost | 1,369 |  |  | 1,537 |  |  | 4,225 |  |  | 4,036 |
Variable lease cost | 45 |  |  | 41 |  |  | 137 |  |  | 128 |
Total lease cost | $ | 8,271 |  |  | $ | 7,066 |  |  | $ | 23,862 |  |  | $ | 19,776 |
Schedule of Supplemental Balance Sheet Information | Supplemental balance sheet information related to leases at September 30, 2025 and December 31, 2024, was as follows:
| September 30, 2025 |  | December 31, 2024
Operating Leases |  |  |
Operating lease right-of-use assets | $ | 67,211 |  |  | $ | 67,140 |
Current portion of operating lease liabilities included in "Other accrued liabilities" | $ | 21,094 |  |  | $ | 19,707 |
Operating lease liabilities | 46,462 |  |  | 47,815 |
Total operating lease liabilities | $ | 67,556 |  |  | $ | 67,522 |
Finance Leases |  |  |
Property, plant and equipment, at cost | $ | 77 |  |  | $ | 77 |
Accumulated depreciation | (22) |  |  | (10) |
Property, plant and equipment, net | $ | 55 |  |  | $ | 67 |
Current installments of finance lease obligations | $ | 14 |  |  | $ | 14 |
Finance lease obligations | 43 |  |  | 55 |
Total finance lease obligations | $ | 57 |  |  | $ | 69 |
Schedule of Future Minimum Lease Obligations, Operating Lease | The Partnership’s future minimum lease obligations as of September 30, 2025, consist of the following:
| Operating Leases
Year 1 | $ | 25,680 |
Year 2 | 21,724 |
Year 3 | 15,921 |
Year 4 | 8,677 |
Year 5 | 4,029 |
Thereafter | 3,405 |
Total | 79,436 |
Less amounts representing interest costs | (11,880) |
Total lease liability | $ | 67,556 |

X
- Definition Assets And Liabilities, Lessee [Table Text Block] + References No definition available. + Details
Name: | mmlp_AssetsAndLiabilitiesLesseeTableTextBlock
Namespace Prefix: | mmlp_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-4 + Details
Name: | us-gaap_LeaseCostTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_LeasesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-6 + Details
Name: | us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration