v3.26.1

Taxes on Income (Loss) - Narrative (Details) $ in Thousands	May 16, 2025 USD ($)
Income Tax Disclosure [Abstract]
Tax credit purchased	$ 52,900
Cash consideration for tax credit purchased	$ 50,299

X

- Definition

Income Tax Credit Purchased, Consideration

+ References

No definition available.

+ Details

Name:	mh_IncomeTaxCreditPurchasedConsideration
Namespace Prefix:	mh_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Income Tax Credit Purchased, Notional value

+ References

No definition available.

+ Details

Name:	mh_IncomeTaxCreditPurchasedNotionalValue
Namespace Prefix:	mh_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- References

No definition available.

+ Details

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