XML 31 R86.htm IDEA: XBRL DOCUMENT v2.4.1.9
Supplemental Guarantor Information Supplemental Guarantor Information - Balance Sheet (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
ASSETS:        
Cash and cash equivalents $ 15,535us-gaap_CashAndCashEquivalentsAtCarryingValue $ 128,725us-gaap_CashAndCashEquivalentsAtCarryingValue $ 145,498us-gaap_CashAndCashEquivalentsAtCarryingValue $ 59,793us-gaap_CashAndCashEquivalentsAtCarryingValue
Restricted cash 6,951us-gaap_RestrictedCashAndCashEquivalents 13,902us-gaap_RestrictedCashAndCashEquivalents    
Mortgage loans held for sale 92,794us-gaap_LoansHeldForSaleMortgages 81,810us-gaap_LoansHeldForSaleMortgages    
Inventory 918,589us-gaap_InventoryRealEstate 690,934us-gaap_InventoryRealEstate    
Property and equipment - net 11,490us-gaap_PropertyPlantAndEquipmentNet 10,536us-gaap_PropertyPlantAndEquipmentNet    
Investment in unconsolidated joint ventures 27,769us-gaap_EquityMethodInvestments 35,266us-gaap_EquityMethodInvestments    
Investment in subsidiaries 0us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures 0us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures    
Deferred income taxes, net of valuation allowance 94,412us-gaap_DeferredTaxAssetsNetCurrent 110,911us-gaap_DeferredTaxAssetsNetCurrent    
Intercompany assets 0mho_Intercompany 0mho_Intercompany    
Other assets 43,870us-gaap_OtherAssets 38,092us-gaap_OtherAssets    
TOTAL ASSETS 1,211,410us-gaap_Assets 1,110,176us-gaap_Assets    
LIABILITIES:        
Accounts payable 75,338us-gaap_AccountsPayableCurrentAndNoncurrent 70,226us-gaap_AccountsPayableCurrentAndNoncurrent    
Customer deposits 11,759us-gaap_CustomerAdvancesAndDeposits 11,262us-gaap_CustomerAdvancesAndDeposits    
Intercompany liabilities 0mho_Intercompanyliabilities 0mho_Intercompanyliabilities    
Other liabilities 79,723us-gaap_OtherLiabilities 71,341us-gaap_OtherLiabilities    
Community development district (CDD) obligations 2,571mho_CommunityDevelopmentDistrictObligations 3,130mho_CommunityDevelopmentDistrictObligations    
Obligation for consolidated inventory not owned 608mho_ObligationForConsolidatedInventoryNotOwned 1,775mho_ObligationForConsolidatedInventoryNotOwned    
Notes payable bank - homebuilding operations 30,000us-gaap_LineOfCredit 0us-gaap_LineOfCredit    
Notes payable bank - financial services operations 85,379us-gaap_WarehouseAgreementBorrowings 80,029us-gaap_WarehouseAgreementBorrowings    
Notes payable - other 9,518us-gaap_OtherNotesPayable 7,790us-gaap_OtherNotesPayable    
2017 Convertible Subordianted Debt 57,500mho_A2017ConvertibleSubordiantedDebt 57,500mho_A2017ConvertibleSubordiantedDebt    
2018 Convertible Subordinated Debt 86,250mho_A2018ConvertibleSubordinatedDebt 86,250mho_A2018ConvertibleSubordinatedDebt    
Senior notes 228,469us-gaap_SeniorNotes 228,070us-gaap_SeniorNotes    
TOTAL LIABILITIES 667,115us-gaap_Liabilities 617,373us-gaap_Liabilities    
TOTAL SHAREHOLDERS' EQUITY 544,295us-gaap_StockholdersEquity 492,803us-gaap_StockholdersEquity    
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY 1,211,410us-gaap_LiabilitiesAndStockholdersEquity 1,110,176us-gaap_LiabilitiesAndStockholdersEquity    
Parent [Member]        
ASSETS:        
Cash and cash equivalents 0us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ParentMember
0us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ParentMember
0us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ParentMember
0us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ParentMember
Restricted cash 0us-gaap_RestrictedCashAndCashEquivalents
/ dei_LegalEntityAxis
= us-gaap_ParentMember
0us-gaap_RestrictedCashAndCashEquivalents
/ dei_LegalEntityAxis
= us-gaap_ParentMember
   
Mortgage loans held for sale 0us-gaap_LoansHeldForSaleMortgages
/ dei_LegalEntityAxis
= us-gaap_ParentMember
0us-gaap_LoansHeldForSaleMortgages
/ dei_LegalEntityAxis
= us-gaap_ParentMember
   
Inventory 0us-gaap_InventoryRealEstate
/ dei_LegalEntityAxis
= us-gaap_ParentMember
0us-gaap_InventoryRealEstate
/ dei_LegalEntityAxis
= us-gaap_ParentMember
   
Property and equipment - net 0us-gaap_PropertyPlantAndEquipmentNet
/ dei_LegalEntityAxis
= us-gaap_ParentMember
0us-gaap_PropertyPlantAndEquipmentNet
/ dei_LegalEntityAxis
= us-gaap_ParentMember
   
Investment in unconsolidated joint ventures 0us-gaap_EquityMethodInvestments
/ dei_LegalEntityAxis
= us-gaap_ParentMember
0us-gaap_EquityMethodInvestments
/ dei_LegalEntityAxis
= us-gaap_ParentMember
   
Investment in subsidiaries 576,468us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
/ dei_LegalEntityAxis
= us-gaap_ParentMember
535,879us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
/ dei_LegalEntityAxis
= us-gaap_ParentMember
   
Deferred income taxes, net of valuation allowance 0us-gaap_DeferredTaxAssetsNetCurrent
/ dei_LegalEntityAxis
= us-gaap_ParentMember
0us-gaap_DeferredTaxAssetsNetCurrent
/ dei_LegalEntityAxis
= us-gaap_ParentMember
   
Intercompany assets 330,786mho_Intercompany
/ dei_LegalEntityAxis
= us-gaap_ParentMember
318,852mho_Intercompany
/ dei_LegalEntityAxis
= us-gaap_ParentMember
   
Other assets 9,260us-gaap_OtherAssets
/ dei_LegalEntityAxis
= us-gaap_ParentMember
9,892us-gaap_OtherAssets
/ dei_LegalEntityAxis
= us-gaap_ParentMember
   
TOTAL ASSETS 916,514us-gaap_Assets
/ dei_LegalEntityAxis
= us-gaap_ParentMember
864,623us-gaap_Assets
/ dei_LegalEntityAxis
= us-gaap_ParentMember
   
LIABILITIES:        
Accounts payable 0us-gaap_AccountsPayableCurrentAndNoncurrent
/ dei_LegalEntityAxis
= us-gaap_ParentMember
0us-gaap_AccountsPayableCurrentAndNoncurrent
/ dei_LegalEntityAxis
= us-gaap_ParentMember
   
Customer deposits 0us-gaap_CustomerAdvancesAndDeposits
/ dei_LegalEntityAxis
= us-gaap_ParentMember
0us-gaap_CustomerAdvancesAndDeposits
/ dei_LegalEntityAxis
= us-gaap_ParentMember
   
Intercompany liabilities 0mho_Intercompanyliabilities
/ dei_LegalEntityAxis
= us-gaap_ParentMember
0mho_Intercompanyliabilities
/ dei_LegalEntityAxis
= us-gaap_ParentMember
   
Other liabilities 0us-gaap_OtherLiabilities
/ dei_LegalEntityAxis
= us-gaap_ParentMember
0us-gaap_OtherLiabilities
/ dei_LegalEntityAxis
= us-gaap_ParentMember
   
Community development district (CDD) obligations 0mho_CommunityDevelopmentDistrictObligations
/ dei_LegalEntityAxis
= us-gaap_ParentMember
0mho_CommunityDevelopmentDistrictObligations
/ dei_LegalEntityAxis
= us-gaap_ParentMember
   
Obligation for consolidated inventory not owned 0mho_ObligationForConsolidatedInventoryNotOwned
/ dei_LegalEntityAxis
= us-gaap_ParentMember
0mho_ObligationForConsolidatedInventoryNotOwned
/ dei_LegalEntityAxis
= us-gaap_ParentMember
   
Notes payable bank - homebuilding operations 0us-gaap_LineOfCredit
/ dei_LegalEntityAxis
= us-gaap_ParentMember
     
Notes payable bank - financial services operations 0us-gaap_WarehouseAgreementBorrowings
/ dei_LegalEntityAxis
= us-gaap_ParentMember
0us-gaap_WarehouseAgreementBorrowings
/ dei_LegalEntityAxis
= us-gaap_ParentMember
   
Notes payable - other 0us-gaap_OtherNotesPayable
/ dei_LegalEntityAxis
= us-gaap_ParentMember
0us-gaap_OtherNotesPayable
/ dei_LegalEntityAxis
= us-gaap_ParentMember
   
2017 Convertible Subordianted Debt 57,500mho_A2017ConvertibleSubordiantedDebt
/ dei_LegalEntityAxis
= us-gaap_ParentMember
57,500mho_A2017ConvertibleSubordiantedDebt
/ dei_LegalEntityAxis
= us-gaap_ParentMember
   
2018 Convertible Subordinated Debt 86,250mho_A2018ConvertibleSubordinatedDebt
/ dei_LegalEntityAxis
= us-gaap_ParentMember
86,250mho_A2018ConvertibleSubordinatedDebt
/ dei_LegalEntityAxis
= us-gaap_ParentMember
   
Senior notes 228,469us-gaap_SeniorNotes
/ dei_LegalEntityAxis
= us-gaap_ParentMember
228,070us-gaap_SeniorNotes
/ dei_LegalEntityAxis
= us-gaap_ParentMember
   
TOTAL LIABILITIES 372,219us-gaap_Liabilities
/ dei_LegalEntityAxis
= us-gaap_ParentMember
371,820us-gaap_Liabilities
/ dei_LegalEntityAxis
= us-gaap_ParentMember
   
TOTAL SHAREHOLDERS' EQUITY 544,295us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= us-gaap_ParentMember
492,803us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= us-gaap_ParentMember
   
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY 916,514us-gaap_LiabilitiesAndStockholdersEquity
/ dei_LegalEntityAxis
= us-gaap_ParentMember
864,623us-gaap_LiabilitiesAndStockholdersEquity
/ dei_LegalEntityAxis
= us-gaap_ParentMember
   
Guarantor Subsidiaries [Member]        
ASSETS:        
Cash and cash equivalents 3,872us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
113,407us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
126,334us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
43,539us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Restricted cash 6,951us-gaap_RestrictedCashAndCashEquivalents
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
13,902us-gaap_RestrictedCashAndCashEquivalents
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Mortgage loans held for sale 0us-gaap_LoansHeldForSaleMortgages
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
0us-gaap_LoansHeldForSaleMortgages
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Inventory 918,589us-gaap_InventoryRealEstate
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
690,934us-gaap_InventoryRealEstate
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Property and equipment - net 11,189us-gaap_PropertyPlantAndEquipmentNet
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
10,267us-gaap_PropertyPlantAndEquipmentNet
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Investment in unconsolidated joint ventures 15,033us-gaap_EquityMethodInvestments
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
13,525us-gaap_EquityMethodInvestments
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Investment in subsidiaries 0us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
0us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Deferred income taxes, net of valuation allowance 94,088us-gaap_DeferredTaxAssetsNetCurrent
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
109,763us-gaap_DeferredTaxAssetsNetCurrent
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Intercompany assets 0mho_Intercompany
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
0mho_Intercompany
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Other assets 24,378us-gaap_OtherAssets
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
17,180us-gaap_OtherAssets
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
TOTAL ASSETS 1,074,100us-gaap_Assets
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
968,978us-gaap_Assets
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
LIABILITIES:        
Accounts payable 74,344us-gaap_AccountsPayableCurrentAndNoncurrent
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
69,887us-gaap_AccountsPayableCurrentAndNoncurrent
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Customer deposits 11,759us-gaap_CustomerAdvancesAndDeposits
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
11,262us-gaap_CustomerAdvancesAndDeposits
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Intercompany liabilities 314,946mho_Intercompanyliabilities
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
296,229mho_Intercompanyliabilities
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Other liabilities 74,413us-gaap_OtherLiabilities
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
64,413us-gaap_OtherLiabilities
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Community development district (CDD) obligations 2,571mho_CommunityDevelopmentDistrictObligations
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
3,130mho_CommunityDevelopmentDistrictObligations
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Obligation for consolidated inventory not owned 608mho_ObligationForConsolidatedInventoryNotOwned
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
1,775mho_ObligationForConsolidatedInventoryNotOwned
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Notes payable bank - homebuilding operations 30,000us-gaap_LineOfCredit
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
     
Notes payable bank - financial services operations 0us-gaap_WarehouseAgreementBorrowings
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
0us-gaap_WarehouseAgreementBorrowings
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Notes payable - other 9,518us-gaap_OtherNotesPayable
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
7,790us-gaap_OtherNotesPayable
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
2017 Convertible Subordianted Debt 0mho_A2017ConvertibleSubordiantedDebt
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
0mho_A2017ConvertibleSubordiantedDebt
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
2018 Convertible Subordinated Debt 0mho_A2018ConvertibleSubordinatedDebt
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
0mho_A2018ConvertibleSubordinatedDebt
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Senior notes 0us-gaap_SeniorNotes
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
0us-gaap_SeniorNotes
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
TOTAL LIABILITIES 518,159us-gaap_Liabilities
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
454,486us-gaap_Liabilities
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
TOTAL SHAREHOLDERS' EQUITY 555,941us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
514,492us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY 1,074,100us-gaap_LiabilitiesAndStockholdersEquity
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
968,978us-gaap_LiabilitiesAndStockholdersEquity
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Non-Guarantor Subsidiaries [Member]        
ASSETS:        
Cash and cash equivalents 11,663us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
15,318us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
19,164us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
16,254us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Restricted cash 0us-gaap_RestrictedCashAndCashEquivalents
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
0us-gaap_RestrictedCashAndCashEquivalents
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Mortgage loans held for sale 92,794us-gaap_LoansHeldForSaleMortgages
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
81,810us-gaap_LoansHeldForSaleMortgages
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Inventory 0us-gaap_InventoryRealEstate
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
0us-gaap_InventoryRealEstate
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Property and equipment - net 301us-gaap_PropertyPlantAndEquipmentNet
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
269us-gaap_PropertyPlantAndEquipmentNet
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Investment in unconsolidated joint ventures 12,736us-gaap_EquityMethodInvestments
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
21,741us-gaap_EquityMethodInvestments
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Investment in subsidiaries 0us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
0us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Deferred income taxes, net of valuation allowance 324us-gaap_DeferredTaxAssetsNetCurrent
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
1,148us-gaap_DeferredTaxAssetsNetCurrent
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Intercompany assets 0mho_Intercompany
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
0mho_Intercompany
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Other assets 10,232us-gaap_OtherAssets
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
11,020us-gaap_OtherAssets
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
TOTAL ASSETS 128,050us-gaap_Assets
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
131,306us-gaap_Assets
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
LIABILITIES:        
Accounts payable 994us-gaap_AccountsPayableCurrentAndNoncurrent
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
339us-gaap_AccountsPayableCurrentAndNoncurrent
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Customer deposits 0us-gaap_CustomerAdvancesAndDeposits
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
0us-gaap_CustomerAdvancesAndDeposits
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Intercompany liabilities 15,840mho_Intercompanyliabilities
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
22,623mho_Intercompanyliabilities
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Other liabilities 5,310us-gaap_OtherLiabilities
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
6,928us-gaap_OtherLiabilities
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Community development district (CDD) obligations 0mho_CommunityDevelopmentDistrictObligations
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
0mho_CommunityDevelopmentDistrictObligations
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Obligation for consolidated inventory not owned 0mho_ObligationForConsolidatedInventoryNotOwned
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
0mho_ObligationForConsolidatedInventoryNotOwned
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Notes payable bank - homebuilding operations 0us-gaap_LineOfCredit
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
     
Notes payable bank - financial services operations 85,379us-gaap_WarehouseAgreementBorrowings
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
80,029us-gaap_WarehouseAgreementBorrowings
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Notes payable - other 0us-gaap_OtherNotesPayable
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
0us-gaap_OtherNotesPayable
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
2017 Convertible Subordianted Debt 0mho_A2017ConvertibleSubordiantedDebt
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
0mho_A2017ConvertibleSubordiantedDebt
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
2018 Convertible Subordinated Debt 0mho_A2018ConvertibleSubordinatedDebt
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
0mho_A2018ConvertibleSubordinatedDebt
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Senior notes 0us-gaap_SeniorNotes
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
0us-gaap_SeniorNotes
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
TOTAL LIABILITIES 107,523us-gaap_Liabilities
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
109,919us-gaap_Liabilities
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
TOTAL SHAREHOLDERS' EQUITY 20,527us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
21,387us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY 128,050us-gaap_LiabilitiesAndStockholdersEquity
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
131,306us-gaap_LiabilitiesAndStockholdersEquity
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Corporate Elimination [Member]        
ASSETS:        
Cash and cash equivalents 0us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
0us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
0us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
0us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
Restricted cash 0us-gaap_RestrictedCashAndCashEquivalents
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
0us-gaap_RestrictedCashAndCashEquivalents
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
   
Mortgage loans held for sale 0us-gaap_LoansHeldForSaleMortgages
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
0us-gaap_LoansHeldForSaleMortgages
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
   
Inventory 0us-gaap_InventoryRealEstate
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
0us-gaap_InventoryRealEstate
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
   
Property and equipment - net 0us-gaap_PropertyPlantAndEquipmentNet
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
0us-gaap_PropertyPlantAndEquipmentNet
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
   
Investment in unconsolidated joint ventures 0us-gaap_EquityMethodInvestments
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
0us-gaap_EquityMethodInvestments
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
   
Investment in subsidiaries (576,468)us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
(535,879)us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
   
Deferred income taxes, net of valuation allowance 0us-gaap_DeferredTaxAssetsNetCurrent
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
0us-gaap_DeferredTaxAssetsNetCurrent
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
   
Intercompany assets (330,786)mho_Intercompany
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
(318,852)mho_Intercompany
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
   
Other assets 0us-gaap_OtherAssets
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
0us-gaap_OtherAssets
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
   
TOTAL ASSETS (907,254)us-gaap_Assets
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
(854,731)us-gaap_Assets
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
   
LIABILITIES:        
Accounts payable 0us-gaap_AccountsPayableCurrentAndNoncurrent
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
0us-gaap_AccountsPayableCurrentAndNoncurrent
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
   
Customer deposits 0us-gaap_CustomerAdvancesAndDeposits
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
0us-gaap_CustomerAdvancesAndDeposits
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
   
Intercompany liabilities (330,786)mho_Intercompanyliabilities
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
(318,852)mho_Intercompanyliabilities
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
   
Other liabilities 0us-gaap_OtherLiabilities
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
0us-gaap_OtherLiabilities
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
   
Community development district (CDD) obligations 0mho_CommunityDevelopmentDistrictObligations
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
0mho_CommunityDevelopmentDistrictObligations
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
   
Obligation for consolidated inventory not owned 0mho_ObligationForConsolidatedInventoryNotOwned
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
0mho_ObligationForConsolidatedInventoryNotOwned
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
   
Notes payable bank - homebuilding operations 0us-gaap_LineOfCredit
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
     
Notes payable bank - financial services operations 0us-gaap_WarehouseAgreementBorrowings
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
0us-gaap_WarehouseAgreementBorrowings
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
   
Notes payable - other 0us-gaap_OtherNotesPayable
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
0us-gaap_OtherNotesPayable
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
   
2017 Convertible Subordianted Debt 0mho_A2017ConvertibleSubordiantedDebt
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
0mho_A2017ConvertibleSubordiantedDebt
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
   
2018 Convertible Subordinated Debt 0mho_A2018ConvertibleSubordinatedDebt
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
0mho_A2018ConvertibleSubordinatedDebt
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
   
Senior notes 0us-gaap_SeniorNotes
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
0us-gaap_SeniorNotes
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
   
TOTAL LIABILITIES (330,786)us-gaap_Liabilities
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
(318,852)us-gaap_Liabilities
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
   
TOTAL SHAREHOLDERS' EQUITY (576,468)us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
(535,879)us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
   
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY $ (907,254)us-gaap_LiabilitiesAndStockholdersEquity
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember
$ (854,731)us-gaap_LiabilitiesAndStockholdersEquity
/ dei_LegalEntityAxis
= us-gaap_IntersegmentEliminationMember