XML 32 R57.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Fair Value Measurements Fair Value of Financial Instrument Assumptions (Details) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2013 | Dec. 31, 2012
--- | --- | ---
Fair Value of Financial Instrument Assumptions [Line Items] |  |
Split dollar life insurance policy change | $ (539) |
Letters of Credit Potential Commitments, Amount | 25,833 | 25,668
New Unsecured Credit Facility [Member] [Member] |  |
Fair Value of Financial Instrument Assumptions [Line Items] |  |
Line of Credit Facility, Current Borrowing Capacity | 200,000 |
Warehousing Agreement - Amended and Restated [Member] |  |
Fair Value of Financial Instrument Assumptions [Line Items] |  |
M/I Financial Maximum Borrowing Capacity | 100,000 |
Optional increase in borrowing availability for MIF | 20,000 |
Repurchase Agreement [Member] |  |
Fair Value of Financial Instrument Assumptions [Line Items] |  |
M/I Financial Maximum Borrowing Capacity | $ 15,000 |

X
- Details
Name: | mho_FairValueofFinancialInstrumentAssumptionsLineItems
Namespace Prefix: | mho_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition M/I Financial Maximum Borrowing Capacity + References No definition available. + Details
Name: | mho_MIFinancialMaximumBorrowingCapacity
Namespace Prefix: | mho_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Optional increase in borrowing availability for MIF + References No definition available. + Details
Name: | mho_OptionalIncreaseInBorrowingAvailabilityForMif
Namespace Prefix: | mho_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Split dollar life insurance policy change in balance during period. + References No definition available. + Details
Name: | mho_Splitdollarlifeinsurancepolicychange
Namespace Prefix: | mho_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
Name: | us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
Name: | us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant