XML 63 R72.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Debt Debt (Details) (USD $) | 12 Months Ended |  |  | 3 Months Ended |
--- | --- | --- | --- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2013 Low Range Uncommitted Letter of Credit [Member] | Dec. 31, 2013 High Range Uncommittted Letter of Credit [Member] | Sep. 29, 2013 High Range Uncommittted Letter of Credit [Member] | Sep. 30, 2013 New Unsecured Credit Facility [Member] [Member] | Dec. 31, 2013 New Unsecured Credit Facility [Member] [Member] | Dec. 31, 2013 Prior Credit Facility [Member] | Dec. 31, 2013 Minimum [Member] New Unsecured Credit Facility [Member] [Member] | Dec. 31, 2013 Maximum [Member] New Unsecured Credit Facility [Member] [Member]
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Current Borrowing Capacity |  |  |  |  |  |  |  | $ 200,000,000 |  |  |
Sub-limit for letters of credit |  |  |  |  |  |  |  | 100,000,000 |  |  |
Line of Credit Facility, Expiration Date |  |  |  |  |  |  | Jul. 18, 2016 |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  |  |  |  | 225,000,000 | 140,000,000 |  |
Credit Facility, Basis Spread on Variable Rate |  |  |  |  |  |  |  |  |  | 2.25% | 3.25%
Optional increase in borrowing availability |  |  |  |  |  |  |  | 25,000,000 |  |  |
Leverage ratio | 60.00% |  |  |  |  |  |  |  |  |  |
Unsold owned land threshold | 125.00% |  |  |  |  |  |  |  |  |  |
Maximum Investment in unrestricted subsidiaries and JVs threshold | 30.00% |  |  |  |  |  |  |  |  |  |
Interest Coverage Ratio | 1.50 |  |  |  |  |  |  |  |  |  |
Gains (Losses) on Extinguishment of Debt | (1,726,000) | 0 | 0 |  |  |  |  |  |  |  |
Debt Instrument, Unused Borrowing Capacity, Amount | 334,247,000 |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Amount Outstanding | 0 |  |  |  |  |  |  |  |  |  |
letters of credit outstanding under credit facility | 12,437,000 |  |  |  |  |  |  |  |  |  |
Maximum borrowing availability subject to limit | 187,600,000 |  |  |  |  |  |  |  |  |  |
Number of Secured Letters of Credit Outstanding under Credit Facility | 3 |  |  |  |  |  |  |  |  |  |
Maximum Available Amounts under Letter of Credit Facilities |  |  |  | 5,000,000 | 10,000,000 | 8,000,000 |  |  |  |  |
Letters of Credit Outstanding Under Letter of Credit Facilities | 13,395,000 | 8,345,000 |  |  |  |  |  |  |  |  |
Aggregate Capacity of Secured Letters of Credit under Credit Facility | 20,000,000 |  |  |  |  |  |  |  |  |  |
Uncommitted Letters of Credit | 1,300,000 |  |  |  |  |  |  |  |  |  |
Restricted Cash for Secured Letter of Credit Agreements | $ 13,711,000 | $ 8,527,000 |  |  |  |  |  |  |  |  |

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 Percentage points added to the reference rate to compute the variable rate on the credit facility borrowings. + References No definition available. + Details
Name: | mho_CreditFacilityBasisSpreadonVariableRate
Namespace Prefix: | mho_
Data Type: | num:percentItemType
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 Investments in Unrestricted Subsidiaries and Joint Ventures cannot be in excess of 30% of tangible net worth per our Credit Facility debt covenants. + References No definition available. + Details
Name: | mho_MaximumInvestmentinunrestrictedsubsidiariesandJVsthreshold
Namespace Prefix: | mho_
Data Type: | num:percentItemType
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 Optional increase in borrowing availability + References No definition available. + Details
Name: | mho_Optionalincreaseinborrowingavailability
Namespace Prefix: | mho_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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 Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6850294&loc=d3e12317-112629 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6850294&loc=d3e12355-112629 + Details
Name: | us-gaap_GainsLossesOnExtinguishmentOfDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount borrowed under the credit facility as of the balance sheet date. + References Reference 1: 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_LineOfCreditFacilityAmountOutstanding
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

X
- 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