XML 48 R31.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Community Development District Infrastructure and Related Obligations Community Development District Infrastructure and Related Obligations (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2017
Community Development District Infrastructure and Realted Obligations [Abstract] |
Schedule of Maturities of Long-term Debt [Table Text Block] | Following are details relating to such CDD bond obligations issued and outstanding as of December 31, 2017:
Issue Date | Maturity Date | Interest Rate |  | Principal Amount as of December 31, 2017 (in thousands) | Principal Amount as of December 31, 2016 (in thousands)
7/15/2004 | 12/1/2022 | 6.00% |  | $ | 2,922 |  | $ | 2,922 |
7/15/2004 | 12/1/2036 | 6.25% |  | 10,060 |  | 10,060 |
7/22/2014 | 11/1/2045 | 5.28% |  | 535 |  | 535 |
12/23/2016 | 5/1/2047 | 6.20% |  | 6,735 |  | — |
12/22/2017 | 5/1/2048 | 5.13% |  | 9,815 |  | — |
Total CDD bond obligations issued and outstanding |  | $ | 30,067 |  | $ | 13,517 |

X
- Definition Community Development District Infrastructure and Realted Obligations [Abstract] + References No definition available. + Details
Name: | mho_CommunityDevelopmentDistrictInfrastructureAndRealtedObligationsAbstract
Namespace Prefix: | mho_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the combined aggregate amount of maturities and sinking fund requirements for all long-term borrowings for each of the five years following the date of the latest balance sheet date presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
Name: | us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration