XML 63 R51.htm IDEA: XBRL DOCUMENT
v3.19.1

Debt MIF Warehousing Agreement (Details) $ in Thousands | Mar. 31, 2019 USD ($) | Dec. 31, 2018 USD ($)
--- | --- | ---
Debt Instrument [Line Items] |  |
Maximum Borrowing Availability under all Credit Lines | $ 175,000 | $ 225,000
Notes payable bank - financial service operations | 104,026 | $ 153,168
Warehousing Agreement - Second Amendment to Second Amended and Restated [Member] |  |
Debt Instrument [Line Items] |  |
M/I Financial Maximum Borrowing Capacity | 125,000 |
M/I Financial Temporary Increase Maximum Borrowing Capacity | $ 160,000 |
LIBOR basis points | 200.0 |
Repurchase Agreement - First Amendment to Second Amended and Restated [Member] |  |
Debt Instrument [Line Items] |  |
M/I Financial Maximum Borrowing Capacity | $ 50,000 |
M/I Financial Temporary Increase Maximum Borrowing Capacity | $ 65,000 |
Minimum [Member] | Repurchase Agreement - First Amendment to Second Amended and Restated [Member] |  |
Debt Instrument [Line Items] |  |
LIBOR basis points | 200 |
Maximum [Member] | Repurchase Agreement - First Amendment to Second Amended and Restated [Member] |  |
Debt Instrument [Line Items] |  |
LIBOR basis points | 225 |

X
- Definition LIBOR basis points + References No definition available. + Details
Name: | mho_LIBORbasispoints
Namespace Prefix: | mho_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

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

X
- Definition Maximum Borrowing Availability under all Credit Lines + References No definition available. + Details
Name: | mho_MaximumBorrowingAvailabilityUnderAllCreditLines
Namespace Prefix: | mho_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Carrying value as of the balance sheet date of the outstanding short-term borrowings under a revolving line of credit used by mortgage bankers to finance the origination or purchase of loans. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(13)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_WarehouseAgreementBorrowings
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

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

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |