XML 21 R70.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Debt Debt (Details) (USD $) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2014 | Dec. 31, 2013
Line of Credit Facility [Line Items] |  |
Line of Credit Facility, Expiration Date | Oct. 20, 2018 |
Leverage ratio | 60.00%mho_Leverageratio |
Unsold owned land threshold | 125.00%mho_Unsoldownedlandthreshold |
Notes payable bank - homebuilding operations | $ 30,000,000 us-gaap_LineOfCredit | $ 0 us-gaap_LineOfCredit
Debt Instrument, Unused Borrowing Capacity, Amount | 380,173,000 us-gaap_DebtInstrumentUnusedBorrowingCapacityAmount |
letters of credit outstanding under credit facility | 27,170,000 mho_LettersOfCreditOutstandingUnderCreditFacility |
Maximum borrowing availability subject to limit | 242,800,000 mho_Maximumborrowingavailabilitysubjecttolimit |
Number of Secured Letters of Credit Outstanding under Credit Facility | 3 mho_NumberOfSecuredLettersOfCreditOutstandingUnderCreditFacility |
Letters of Credit Outstanding Under Letter of Credit Facilities | 6,456,000 mho_LettersOfCreditOutstandingUnderLetterOfCreditFacilities | 13,395,000 mho_LettersOfCreditOutstandingUnderLetterOfCreditFacilities
Aggregate Capacity of Secured Letters of Credit under Credit Facility | 20,000,000 mho_AggregateCapacityOfSecuredLettersOfCreditUnderCreditFacility |
Uncommitted Letters of Credit | 3,800,000 mho_UncommittedLettersofCredit |
Restricted Cash for Secured Letter of Credit Agreements | 6,590,000 mho_RestrictedCashForSecuredLetterOfCreditAgreements | 13,711,000 mho_RestrictedCashForSecuredLetterOfCreditAgreements
Low Range Uncommitted Letter of Credit [Member] |  |
Line of Credit Facility [Line Items] |  |
Maximum Available Amounts under Letter of Credit Facilities | 5,000,000 mho_MaximumavailableamountsunderLetterofCreditFacilities / us-gaap_LineOfCreditFacilityAxis = mho_LowRangeUncommittedLetterOfCreditMember |
High Range Uncommittted Letter of Credit [Member] |  |
Line of Credit Facility [Line Items] |  |
Maximum Available Amounts under Letter of Credit Facilities | 10,000,000 mho_MaximumavailableamountsunderLetterofCreditFacilities / us-gaap_LineOfCreditFacilityAxis = mho_HighRangeUncommitttedLetterOfCreditMember |
First Amendment to New Unsecured Credit Facility [Member] |  |
Line of Credit Facility [Line Items] |  |
Homebuilding Line of Credit Facility, Current Borrowing Capacity | 300,000,000 us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity / us-gaap_CreditFacilityAxis = mho_FirstAmendmenttoNewUnsecuredCreditFacilityMember |
Sub-limit for letters of credit | 125,000,000 mho_Sublimitforlettersofcredit / us-gaap_CreditFacilityAxis = mho_FirstAmendmenttoNewUnsecuredCreditFacilityMember |
Line of Credit Facility, Maximum Borrowing Capacity | 400,000,000 us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_CreditFacilityAxis = mho_FirstAmendmenttoNewUnsecuredCreditFacilityMember |
Minimum Tangible Net Worth | $ 363,800,000 mho_MinimumTangibleNetWorth / us-gaap_CreditFacilityAxis = mho_FirstAmendmenttoNewUnsecuredCreditFacilityMember |
Minimum [Member] | New Unsecured Credit Facility [Member] [Member] |  |
Line of Credit Facility [Line Items] |  |
Basis Points Spread on Variable Rate - Credit Facility | 150 mho_BasisPointsSpreadonVariableRateCreditFacility / us-gaap_CreditFacilityAxis = mho_NewUnsecuredCreditFacilityMemberMember / us-gaap_RangeAxis = us-gaap_MinimumMember |
Maximum [Member] | New Unsecured Credit Facility [Member] [Member] |  |
Line of Credit Facility [Line Items] |  |
Basis Points Spread on Variable Rate - Credit Facility | 250 mho_BasisPointsSpreadonVariableRateCreditFacility / us-gaap_CreditFacilityAxis = mho_NewUnsecuredCreditFacilityMemberMember / us-gaap_RangeAxis = us-gaap_MaximumMember |
Consolidated EBITDA [Member] |  |
Line of Credit Facility [Line Items] |  |
Interest Coverage Ratio | 1.50 mho_InterestCoverageRatio / mho_InterestCoverageRatioAxis = mho_ConsolidatedEbitdaMember |
Consolidated Interest Incurred [Member] |  |
Line of Credit Facility [Line Items] |  |
Interest Coverage Ratio | 1.00 mho_InterestCoverageRatio / mho_InterestCoverageRatioAxis = mho_ConsolidatedInterestIncurredMember |

X
- Definition Aggregate Capacity of Secured Letters of Credit under Credit Facility + References No definition available. + Details
Name: | mho_AggregateCapacityOfSecuredLettersOfCreditUnderCreditFacility
Namespace Prefix: | mho_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Basis points added to the reference rate to compute the variable rate on the credit facility borrowings. + References No definition available. + Details
Name: | mho_BasisPointsSpreadonVariableRateCreditFacility
Namespace Prefix: | mho_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition As of any date, for the applicable period of the four quarters then ended, the ratio of (a) Consolidated EBITDA to (b) Consolidated Interest Incurred. + References No definition available. + Details
Name: | mho_InterestCoverageRatio
Namespace Prefix: | mho_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition The amount of letters of credit outstanding under the Company's Credit Facility + References No definition available. + Details
Name: | mho_LettersOfCreditOutstandingUnderCreditFacility
Namespace Prefix: | mho_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Letters of Credit Outstanding Under the Company's Letter of Credit Facilities + References No definition available. + Details
Name: | mho_LettersOfCreditOutstandingUnderLetterOfCreditFacilities
Namespace Prefix: | mho_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition The ratio of (a) Consolidated Debt plus Additional Available Liquidity minus, Unrestricted Cash, to the extent Unrestricted Cash exceeds the Required Liquity, divided by (b) Consolidated Debt plus Consolidated Tangible Net Worth plus Additional Available Liquidity. + References No definition available. + Details
Name: | mho_Leverageratio
Namespace Prefix: | mho_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Maximum available amounts under Letter of Credit Facilities + References No definition available. + Details
Name: | mho_MaximumavailableamountsunderLetterofCreditFacilities
Namespace Prefix: | mho_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Maximum borrowing availability in accordance with the borrowing base calculation, such that the the full commitment amount of the facility was available, less any borrowings and letters of credit outstanding. + References No definition available. + Details
Name: | mho_Maximumborrowingavailabilitysubjecttolimit
Namespace Prefix: | mho_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The lowest amount of tangible net worth required by secondary market investors. + References No definition available. + Details
Name: | mho_MinimumTangibleNetWorth
Namespace Prefix: | mho_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of secured letters of credit outstanding under the Company's Credit Facility. + References No definition available. + Details
Name: | mho_NumberOfSecuredLettersOfCreditOutstandingUnderCreditFacility
Namespace Prefix: | mho_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition This element represents restricted cash deposits maintained as collateral for outstanding letter of credit arrangements. + References No definition available. + Details
Name: | mho_RestrictedCashForSecuredLetterOfCreditAgreements
Namespace Prefix: | mho_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Sub-limit for letters of credit + References No definition available. + Details
Name: | mho_Sublimitforlettersofcredit
Namespace Prefix: | mho_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Uncommitted Letters of Credit - able to be withdrawn at any time. + References No definition available. + Details
Name: | mho_UncommittedLettersofCredit
Namespace Prefix: | mho_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of unsold owned land cannot exceed 125% of the sum of tangible net worth and subordinated debt under our credit facility debt covenants. + References No definition available. + Details
Name: | mho_Unsoldownedlandthreshold
Namespace Prefix: | mho_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of unused borrowing capacity under the long-term financing arrangement that is available to the entity as of the balance sheet date. + 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 210.5-02.22(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 22 -Subparagraph b -Article 5 + Details
Name: | us-gaap_DebtInstrumentUnusedBorrowingCapacityAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + 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 02 -Paragraph 19, 20, 22 -Article 5 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 + Details
Name: | us-gaap_LineOfCredit
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

X
- Definition Date the credit facility terminates, in CCYY-MM-DD format. + 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_LineOfCreditFacilityExpirationDate1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_LineOfCreditFacilityLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the 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_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | mho_InterestCoverageRatioAxis=mho_ConsolidatedEbitdaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | mho_InterestCoverageRatioAxis=mho_ConsolidatedInterestIncurredMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=mho_FirstAmendmenttoNewUnsecuredCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LineOfCreditFacilityAxis=mho_HighRangeUncommitttedLetterOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LineOfCreditFacilityAxis=mho_LowRangeUncommittedLetterOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |