XML 28 R11.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Transactions with Related Parties | 12 Months Ended
--- | ---
Dec. 31, 2017
Transactions with Related Parties [Abstract] |
Related Party Transactions Disclosure [Text Block] | Transactions with Related Parties The Company made a contribution of $0.8 million in 2017 to the M/I Homes Foundation, a charitable organization having certain officers and directors of the Company on its Board of Trustees. The Company had a receivable of $0.2 million at both December 31, 2017 and 2016 due from an executive officer, relating to amounts owed to the Company for split-dollar life insurance policy premiums. The Company will collect the receivable either directly from the executive officer, if employment terminates other than by death, or from the executive officer’s beneficiary, if employment terminates due to death of the executive officer.

X
- Definition Transactions with Related Parties [Abstract] + References No definition available. + Details
Name: | mho_TransactionsWithRelatedPartiesAbstract
Namespace Prefix: | mho_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -URI http://asc.fasb.org/topic&trid=2122745 + Details
Name: | us-gaap_RelatedPartyTransactionsDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration