XML 39 R27.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Inventory and Capitalized Interest Other Inventory Items - Homes under construction not subject to a sale contract (Details) $ in Thousands | Mar. 31, 2017 USD ($) homes | Dec. 31, 2016 USD ($)
--- | --- | ---
Other Inventory, Gross [Abstract] |  |
Number of Speculative Homes | 993 | 996
Speculative Homes Carrying Value | $ 194,400 | $ 199,400
Community development district | $ 6,277 | $ 476

X
- Definition A CDD is a unit of local government created to allow for the construction and maintenance of long-term infrastructure through alternative financing sources. CDDs may utilize bond financing to fund construction or acquisition of certain on-site and off-site infrastructure improvements near or within a community. + References No definition available. + Details
Name: | mho_CommunityDevelopmentDistrict
Namespace Prefix: | mho_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The number of speculative units (homes not subject to a sales contract) included in homes under construction. + References No definition available. + Details
Name: | mho_NumberOfSpeculativeHomes
Namespace Prefix: | mho_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The carrying value of the speculative homes included in homes under construction. + References No definition available. + Details
Name: | mho_SpeculativeHomesCarryingValue
Namespace Prefix: | mho_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_OtherInventoryAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration