Debt service coverage ratio.

No definition available.

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Namespace Prefix:	mntx_
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Balance Type:	na
Period Type:	duration

- Definition

Line of credit facility extended expiration date.

+ References

No definition available.

+ Details

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Namespace Prefix:	mntx_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Line of credit facility extended maturity terms.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Line of credit facility unused capacity commitment fee payment description.

+ References

No definition available.

+ Details

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Namespace Prefix:	mntx_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of short-term bank loan secured by broker-dealer customer's security.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Rule 15c3-1
-Number 240
-Section 15c3-1
-Publisher SEC

+ Details

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Namespace Prefix:	srt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-Publisher FASB
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-Paragraph 1D
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Balance Type:	debit
Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

+ Details

Name:	us-gaap_LineOfCredit
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Date the first payment under the line of credit must be paid, in YYYY-MM-DD format.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

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Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Date the credit facility terminates, in YYYY-MM-DD format.

+ References

+ Details

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Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Description of the frequency of the required periodic payments of interest, principal, or both, and the amount, if set, or a description of a formula upon which payment is based.

+ References

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Description of interest rate for borrowing under credit facility. Includes, but is not limited to, terms and method for determining interest rate.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The effective interest rate during the reporting period.

+ References

+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(f))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1

+ Details

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Period Type:	duration

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

+ References

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-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of minimum net worth required for mortgage banking as defined by regulatory framework.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 948
-SubTopic 10
-Name Accounting Standards Codification
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

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Period Type:

- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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Credit Facilities and Debt - Additional Information - U.S. Credit Facilities and Term Loan (Detail) - USD ($) $ in Thousands				6 Months Ended
	Jun. 03, 2024	Jan. 25, 2023	Apr. 11, 2022	Jun. 30, 2024	Dec. 31, 2023
Line Of Credit Facility [Line Items]
Debt issuance cost				$ 45	$ 63
Book value of debt				$ 86,140	91,558
Revolving Credit Facility [Member]
Line Of Credit Facility [Line Items]
Revolving credit facility extended maturity terms				The rolling two-year maturity extension repeats on April 11 each year following 2026 unless the lender provides 120 days’ written notice of non-extension.
Line of credit facility interest rate description				Borrowings under the $40,000 revolving credit facility bear interest at a floating rate equal to the Prime Rate as of June 9, 2023. Previously, the rate was Prime plus 0.50%
Bank Term Loan Facility [Member]
Line Of Credit Facility [Line Items]
Revolving credit facility				$ 11,729	12,824
Amarillo National Bank Financing [Member]
Line Of Credit Facility [Line Items]
Minimum net worth required			$ 80,000
Amarillo National Bank Financing [Member] \| Minimum [Member]
Line Of Credit Facility [Line Items]
Debt service coverage ratio			1.25
Amarillo National Bank Financing [Member] \| Revolving Credit Facility [Member] \| Commercial Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Revolving credit facility, maturity date			Apr. 11, 2024
Revolving credit facility, extended maturity date	Apr. 11, 2026	Apr. 11, 2025
Revolving credit facility			$ 40,000
Revolving credit facility, payment description				The $40,000 revolving credit facility requires monthly interest payments with the full principal balance coming due at maturity
Unused line fee			0.125%
Unused line fee, payment description				payable semi-annually
Amarillo National Bank Financing [Member] \| Revolving Credit Facility [Member] \| Prime Rate [Member] \| Commercial Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Interest rate			0.50%
Amarillo National Bank Financing [Member] \| Revolving Credit Facility [Member] \| Commercial Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Revolving credit facility, maturity date			Apr. 11, 2024
Revolving credit facility, extended maturity date	Apr. 11, 2026	Apr. 11, 2025
Revolving credit facility extended maturity terms				The rolling two-year maturity extension repeats on April 11 each year following 2026 unless the lender provides 120 days’ written notice of non-extension.
Revolving credit facility			$ 30,000
Line of credit facility interest rate description				Borrowings under the $30,000 revolving credit facility bear interest at a floating rate equal to the Prime Rate as of June 9, 2023. Previously, the rate was Prime plus 0.50%. The $30,000 facility requires quarterly principal payments in the amount of 3% of the outstanding balance (beginning January 1, 2023) in addition to quarterly interest payments. The facility originally provided for maturity on April 11, 2024. On January 25, 2023, the maturity date was extended to April 11, 2025. On June 3, 2024, the lender agreed to extend the maturity date to April 11, 2026, with a rolling two-year maturity extension provided there is no event of default. The rolling two-year maturity extension repeats on April 11 each year following 2026 unless the lender provides 120 days’ written notice of non-extension.
Revolving credit facility, payment description				The $30,000 facility requires quarterly principal payments in the amount of 3% of the outstanding balance (beginning January 1, 2023) in addition to quarterly interest payments.
Revolving credit facility, payment commencing date			Jan. 01, 2023
Amarillo National Bank Financing [Member] \| Revolving Credit Facility [Member] \| Prime Rate [Member] \| Commercial Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Interest rate			0.50%
Amarillo National Bank Financing [Member] \| Bank Term Loan Facility [Member] \| Commercial Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Revolving credit facility, maturity date			Oct. 11, 2029
Bank loans			$ 15,000
Line of credit facility interest rate description				The term loan requires monthly interest payments at a floating rate equal to the Prime Rate.
Revolving credit facility, payment description				Monthly installments of principal and interest based on an 84-month amortization are payable beginning on November 11, 2022 with the remaining principal balance coming due at maturity on October 11, 2029.
CIBC Bank USA [Member] \| U.S. Credit Facilities [Member]
Line Of Credit Facility [Line Items]
Revolving credit facility				$ 50,923	$ 51,990