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Commitments and Contingencies Legal (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Legal Liabilities Disclosure [Abstract]
Amount Reserved for Legal Expenses	$ 1,000	$ 1,200

X

- Definition

Legal Liabilities Disclosure [Abstract]

+ References

No definition available.

+ Details

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Namespace Prefix:	mho_
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X

- Definition

Amount of loss contingency liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483076/450-20-50-1

Reference 2: http://www.xbrl.org/2003/role/recommendedDisclosureRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483076/450-20-50-10

+ Details

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