XML 89 R69.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Commitments and Contingencies Commitments and Contingencies (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Commitments and Contingencies [Abstract] |  |
Letters of Credit and Completion Bonds | $ 488,400 |
Outstanding Performance and Maintenance Bonds | 402,200 |
Performance letters of credit outstanding | 62,000 |
Financial Letters of Credit | 18,400 |
Financial Letters of Credit representing deposits on land and lot purchase agreements | 12,700 |
Financial Bonds | 4,600 |
Corporate Notes | 1,200 |
Outstanding Deposits On Land and Lots | 97,100 |
Land Purchase Deposits | 69,483 | $ 51,608
Prepaid Land Acquisition Costs | 13,744 | 8,482
Short-term Non-bank Loans and Notes Payable | 1,200 |
Unrecorded Conditional Purchase Obligation | 1,450,000 |
Consolidated Inventory Not Owned | 11,809 | 26,899
Obligation for consolidated inventory not owned | $ 11,809 | $ 26,899

X
- Definition Commitments and Contingencies [Abstract] + References No definition available. + Details
Name: | mho_CommitmentsAndContingenciesAbstract
Namespace Prefix: | mho_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Corporate Notes + References No definition available. + Details
Name: | mho_CorporateNotes
Namespace Prefix: | mho_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Financial Bonds + References No definition available. + Details
Name: | mho_FinancialBonds
Namespace Prefix: | mho_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Financial Letters of Credit + References No definition available. + Details
Name: | mho_FinancialLettersOfCredit
Namespace Prefix: | mho_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Carrying value of capitalized payments made in advance for inventory that is expected to be received within one year or the normal operating cycle, if longer. + References No definition available. + Details
Name: | mho_LandPurchaseDeposits
Namespace Prefix: | mho_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of letters of credit and bonds outstanding as of the reporting date. + References No definition available. + Details
Name: | mho_LettersOfCreditAndBonds
Namespace Prefix: | mho_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Includes the liabilities related to the remaining exercise price of land and lot option purchases contracts. + References No definition available. + Details
Name: | mho_ObligationForConsolidatedInventoryNotOwned
Namespace Prefix: | mho_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Outstanding Deposits On Land and Lots + References No definition available. + Details
Name: | mho_OutstandingDepositsOnLandAndLots
Namespace Prefix: | mho_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Outstanding letters of credit in lieu of cash deposits under certain land option contracts. + References No definition available. + Details
Name: | mho_OutstandingLettersOfCreditInLieuOfCashDepositsUnderCertainLandOptionContracts
Namespace Prefix: | mho_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Outstanding performance and surety bonds related to site improvements + References No definition available. + Details
Name: | mho_OutstandingPerformanceBonds
Namespace Prefix: | mho_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Performance letters of credit outstanding + References No definition available. + Details
Name: | mho_PerformanceLettersOfCreditOutstanding
Namespace Prefix: | mho_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Prepaid Land Acquisition Costs + References No definition available. + Details
Name: | mho_PrepaidLandAcquisitionCosts
Namespace Prefix: | mho_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The carrying amount as of the balance sheet date of land not owned but under a contract in which the entity has an option to purchase the land. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(6)(a)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_LandUnderPurchaseOptionsRecorded
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Carrying amount of an option or options to acquire real property. + References No definition available. + Details
Name: | us-gaap_PurchaseOptionsLand
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of borrowings from a creditor other than a bank with a maturity within one year or operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)(a)(2)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-04(13)(a)(2)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479170/946-210-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-04(13)(a)(3)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479170/946-210-S99-1 + Details
Name: | us-gaap_ShortTermNonBankLoansAndNotesPayable
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant