Investment in Joint Venture Arrangements Investment in Joint Venture Arrangements Income Statement Information (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Equity Method Investments and Joint Ventures [Abstract]
Equity in Income (loss) from joint venture arrangements	$ 100	$ 100	$ 500

Equity in Income (loss) from unconsolidated joint ventures

No definition available.

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Namespace Prefix:	mho_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration