Condensed Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Costs and Expenses [Abstract]
Revenue	$ 976,093	$ 1,046,703
Land and housing	723,310	763,360
General and administrative	59,073	56,084
Selling	52,786	53,940
Other expense (income)	0	0
Interest income	(5,197)	(6,920)
Total costs and expenses	829,972	866,464
Income before income taxes	146,121	180,239
Provision for income taxes	34,884	42,178
Net income	$ 111,237	$ 138,061
Earnings per common share:
Basic	$ 4.07	$ 4.92
Diluted	$ 3.98	$ 4.78
Weighted Average Number of Shares Outstanding [Abstract]
Basic	27,314	28,052
Diluted	27,941	28,888

Amount of interest income, net of the cost of borrowed funds accounted for as interest expense.

No definition available.

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

- Definition

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.