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 unused capacity commitment fee payment description.

+ References

No definition available.

+ Details

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

- Definition

Payment to lenders.

+ References

No definition available.

+ Details

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Namespace Prefix:	mntx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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
-Publisher SEC
-Name Rule 15c3-1
-Number 240
-Section 15c3-1

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Date the debt agreement requires the first payment to be made, in YYYY-MM-DD format.

+ References

+ Details

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

- Definition

Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

+ References

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-Publisher FASB
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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+ Details

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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.

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+ Details

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Namespace Prefix:	us-gaap_
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

+ Details

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Namespace Prefix:	us-gaap_
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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Namespace Prefix:	us-gaap_
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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Data Type:	xbrli:stringItemType
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

No definition available.

+ Details

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

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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

- 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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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

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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

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-Name Accounting Standards Codification
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+ Details

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

- 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 ($)		6 Months Ended
	Apr. 11, 2022	Jun. 30, 2022	Dec. 31, 2021
Line Of Credit Facility [Line Items]
Debt issuance cost		$ 119,000	$ 83,000
Book value of debt		91,335,000	41,207,000
Amarillo National Bank Financing [Member]
Line Of Credit Facility [Line Items]
Minimum net worth required	$ 80,000,000
Amarillo National Bank Financing [Member] \| Minimum [Member]
Line Of Credit Facility [Line Items]
Debt service coverage ratio	1.25
CIBC Bank USA [Member]
Line Of Credit Facility [Line Items]
Payment to lenders	$ 12,800,000
U.S. Credit Facilities [Member] \| CIBC Bank USA [Member]
Line Of Credit Facility [Line Items]
Revolving credit facility		$ 46,700,000	12,800,000
Revolving credit facility, maturity date		Jul. 20, 2023
Debt issuance cost		$ 100,000	100,000
Book value of debt		46,700,000	$ 12,700,000
Revolving Credit Facility [Member] \| U.S. Credit Facilities [Member] \| CIBC Bank USA [Member]
Line Of Credit Facility [Line Items]
Maximum borrowing capacity		30,000,000
Bank Term Loan Facility [Member]
Line Of Credit Facility [Line Items]
Revolving credit facility		15,000,000.0
Debt issuance cost		100,000
Book value of debt		$ 14,900,000
Commercial Credit Agreement [Member] \| Amarillo National Bank Financing [Member]
Line Of Credit Facility [Line Items]
Line of credit facility interest rate description		Borrowings under the revolving credit facilities and the term loan bear interest at a floating rate equal to the Prime Rate plus 0.5%.
Revolving credit facility, payment description		The revolving credit facilities require monthly interest payments with the full principal balance coming due at maturity, and the $30,000 revolving credit facility requires quarterly payments in the amount of 3% of the outstanding balance thereunder on a quarterly basis beginning on January 1, 2023.
Commercial Credit Agreement [Member] \| Prime Rate [Member] \| Amarillo National Bank Financing [Member]
Line Of Credit Facility [Line Items]
Interest rate	0.50%
Commercial Credit Agreement [Member] \| Revolving Credit Facility [Member] \| Amarillo National Bank Financing [Member]
Line Of Credit Facility [Line Items]
Revolving credit facility	$ 40,000,000
Revolving credit facility, maturity date	Apr. 11, 2024
Unused line fee	0.125%
Unused line fee, payment description		payable semi-annually
Commercial Credit Agreement [Member] \| Revolving Credit Facility [Member] \| Amarillo National Bank Financing [Member]
Line Of Credit Facility [Line Items]
Revolving credit facility	$ 30,000,000
Revolving credit facility, maturity date	Apr. 11, 2024
Revolving credit facility, payment commencing date	Jan. 01, 2023
Commercial Credit Agreement [Member] \| Bank Term Loan Facility [Member] \| Amarillo National Bank Financing [Member]
Line Of Credit Facility [Line Items]
Bank loans	$ 15,000,000
Term loan, maturity date	Oct. 11, 2029
Term loan, payment commencing date	Nov. 11, 2022