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v2.4.1.9

Guarantees and Indemnifications Guarantees (Details) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2014 | Dec. 31, 2013
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Debt Instrument [Line Items] |  |
Senior notes | $ 228,469 us-gaap_SeniorNotes | $ 228,070 us-gaap_SeniorNotes
Total of Loans Covered by Guarantees | 33,440 mho_TotalOfLoansCoveredByGuarantees | 5,152 mho_TotalOfLoansCoveredByGuarantees
Total of Guaranteed Loans Inquired About | 9,100 mho_TotalOfGuaranteedLoansInquiredAbout | 8,200 mho_TotalOfGuaranteedLoansInquiredAbout
Total Loans Indemnified to third parties | 2,000 mho_TotalLoansIndemnified | 1,500 mho_TotalLoansIndemnified
Loan Repurchase Guarantee Liability | 2,900 mho_LoanRepurchaseGuaranteeLiability | 3,080 mho_LoanRepurchaseGuaranteeLiability
2018 Senior Notes [Member] |  |
Debt Instrument [Line Items] |  |
Senior notes | 230,000 us-gaap_SeniorNotes / us-gaap_DebtInstrumentAxis = mho_A2018SeniorNotesMember |
Debt Instrument, Interest Rate, Stated Percentage | 8.625%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = mho_A2018SeniorNotesMember |
2017 Convertible Senior Notes [Member] |  |
Debt Instrument [Line Items] |  |
Debt Instrument, Interest Rate, Stated Percentage | 3.25%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = mho_A2017ConvertibleSeniorNotesMember |
Convertible senior subordinated notes | 57,500 us-gaap_ConvertibleSubordinatedDebt / us-gaap_DebtInstrumentAxis = mho_A2017ConvertibleSeniorNotesMember |
2018 Convertible Senior Notes [Member] |  |
Debt Instrument [Line Items] |  |
Debt Instrument, Interest Rate, Stated Percentage | 3.00%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = mho_A2018ConvertibleSeniorNotesMember |
Convertible senior subordinated notes | $ 86,250 us-gaap_ConvertibleSubordinatedDebt / us-gaap_DebtInstrumentAxis = mho_A2018ConvertibleSeniorNotesMember |

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- Definition Maximum potential amount of future payments the guarantor could be required to make under the Company's subsidiary loan repurchase guarantees. + References No definition available. + Details
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- Definition The total of all loans indemnified to third party insurers relating to certain repurchase agreements. + References No definition available. + Details
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- Definition Total of loans covered by the guarantees discussed for which inquiries were made by the purchasers of the loans. + References No definition available. + Details
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- Definition The total amount of loans covered by guarantees that said loans could potentially be repurchased in the case certain conditions occur. + References No definition available. + Details
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- Definition Including the current and noncurrent portions, the carrying value of convertible subordinated debt, as of the balance sheet date, initially scheduled to be repaid after one year or beyond the normal operating cycle if longer. This form of debt can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder, and places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX210.5-02.22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Article 5 -Subsection 20, 22 + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16(a)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 + Details
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