Annual report pursuant to Section 13 and 15(d)

Operating and Reporting Segments (Details 1)

v2.4.1.9
Operating and Reporting Segments (Details 1) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Segment Reporting Information [Line Items]    
Deposits on real estate under option or contract $ 94,989us-gaap_DepositAssets $ 51,595us-gaap_DepositAssets
Real estate 1,877,682us-gaap_InventoryRealEstate 1,405,299us-gaap_InventoryRealEstate
Investments in unconsolidated entities 10,780us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures 11,638us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
Other assets 332,687us-gaap_OtherAssets 534,829us-gaap_OtherAssets
Assets 2,316,138us-gaap_Assets 2,003,361us-gaap_Assets
Financial Services [Member]    
Segment Reporting Information [Line Items]    
Deposits on real estate under option or contract 0us-gaap_DepositAssets
/ us-gaap_StatementBusinessSegmentsAxis
= mth_FinancialServicesMember
0us-gaap_DepositAssets
/ us-gaap_StatementBusinessSegmentsAxis
= mth_FinancialServicesMember
Real estate 0us-gaap_InventoryRealEstate
/ us-gaap_StatementBusinessSegmentsAxis
= mth_FinancialServicesMember
0us-gaap_InventoryRealEstate
/ us-gaap_StatementBusinessSegmentsAxis
= mth_FinancialServicesMember
Investments in unconsolidated entities 0us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
/ us-gaap_StatementBusinessSegmentsAxis
= mth_FinancialServicesMember
0us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
/ us-gaap_StatementBusinessSegmentsAxis
= mth_FinancialServicesMember
Other assets 958us-gaap_OtherAssets
/ us-gaap_StatementBusinessSegmentsAxis
= mth_FinancialServicesMember
497us-gaap_OtherAssets
/ us-gaap_StatementBusinessSegmentsAxis
= mth_FinancialServicesMember
Assets 958us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= mth_FinancialServicesMember
497us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= mth_FinancialServicesMember
Corporate, Non-Segment [Member]    
Segment Reporting Information [Line Items]    
Deposits on real estate under option or contract 0us-gaap_DepositAssets
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_CorporateNonSegmentMember
0us-gaap_DepositAssets
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_CorporateNonSegmentMember
Real estate 0us-gaap_InventoryRealEstate
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_CorporateNonSegmentMember
0us-gaap_InventoryRealEstate
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_CorporateNonSegmentMember
Investments in unconsolidated entities 2,015us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_CorporateNonSegmentMember
2,443us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_CorporateNonSegmentMember
Other assets 132,884us-gaap_OtherAssets
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_CorporateNonSegmentMember
310,657us-gaap_OtherAssets
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_CorporateNonSegmentMember
Assets 134,899us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_CorporateNonSegmentMember
313,100us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_CorporateNonSegmentMember
West [Member]    
Segment Reporting Information [Line Items]    
Deposits on real estate under option or contract 34,622us-gaap_DepositAssets
/ us-gaap_StatementGeographicalAxis
= mth_WestMember
26,415us-gaap_DepositAssets
/ us-gaap_StatementGeographicalAxis
= mth_WestMember
Real estate 943,600us-gaap_InventoryRealEstate
/ us-gaap_StatementGeographicalAxis
= mth_WestMember
800,288us-gaap_InventoryRealEstate
/ us-gaap_StatementGeographicalAxis
= mth_WestMember
Investments in unconsolidated entities 204us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
/ us-gaap_StatementGeographicalAxis
= mth_WestMember
204us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
/ us-gaap_StatementGeographicalAxis
= mth_WestMember
Other assets 48,120us-gaap_OtherAssets
/ us-gaap_StatementGeographicalAxis
= mth_WestMember
26,900us-gaap_OtherAssets
/ us-gaap_StatementGeographicalAxis
= mth_WestMember
Assets 1,026,546us-gaap_Assets
/ us-gaap_StatementGeographicalAxis
= mth_WestMember
853,807us-gaap_Assets
/ us-gaap_StatementGeographicalAxis
= mth_WestMember
Central [Member]    
Segment Reporting Information [Line Items]    
Deposits on real estate under option or contract 31,317us-gaap_DepositAssets
/ us-gaap_StatementGeographicalAxis
= mth_CentralMember
12,198us-gaap_DepositAssets
/ us-gaap_StatementGeographicalAxis
= mth_CentralMember
Real estate 446,208us-gaap_InventoryRealEstate
/ us-gaap_StatementGeographicalAxis
= mth_CentralMember
369,464us-gaap_InventoryRealEstate
/ us-gaap_StatementGeographicalAxis
= mth_CentralMember
Investments in unconsolidated entities 8,561us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
/ us-gaap_StatementGeographicalAxis
= mth_CentralMember
8,941us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
/ us-gaap_StatementGeographicalAxis
= mth_CentralMember
Other assets 80,689us-gaap_OtherAssets
/ us-gaap_StatementGeographicalAxis
= mth_CentralMember
165,403us-gaap_OtherAssets
/ us-gaap_StatementGeographicalAxis
= mth_CentralMember
Assets 566,775us-gaap_Assets
/ us-gaap_StatementGeographicalAxis
= mth_CentralMember
556,006us-gaap_Assets
/ us-gaap_StatementGeographicalAxis
= mth_CentralMember
East [Member]    
Segment Reporting Information [Line Items]    
Deposits on real estate under option or contract 29,050us-gaap_DepositAssets
/ us-gaap_StatementGeographicalAxis
= mth_EastMember
12,982us-gaap_DepositAssets
/ us-gaap_StatementGeographicalAxis
= mth_EastMember
Real estate 487,874us-gaap_InventoryRealEstate
/ us-gaap_StatementGeographicalAxis
= mth_EastMember
235,547us-gaap_InventoryRealEstate
/ us-gaap_StatementGeographicalAxis
= mth_EastMember
Investments in unconsolidated entities 0us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
/ us-gaap_StatementGeographicalAxis
= mth_EastMember
50us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
/ us-gaap_StatementGeographicalAxis
= mth_EastMember
Other assets 70,036us-gaap_OtherAssets
/ us-gaap_StatementGeographicalAxis
= mth_EastMember
31,372us-gaap_OtherAssets
/ us-gaap_StatementGeographicalAxis
= mth_EastMember
Assets $ 586,960us-gaap_Assets
/ us-gaap_StatementGeographicalAxis
= mth_EastMember
$ 279,951us-gaap_Assets
/ us-gaap_StatementGeographicalAxis
= mth_EastMember