Investment in Joint Venture Arrangements Investment in Joint Venture Arrangements Income Statement Information (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Equity Method Investments and Joint Ventures [Abstract]
Equity in Income (loss) from joint venture arrangements	$ 0	$ 33	$ 6

Equity in Income (loss) from unconsolidated joint ventures

No definition available.

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