Quarterly report pursuant to Section 13 or 15(d)

Operating and Reporting Segments Operating and Reporting Segments (Details 1)

v2.4.1.9
Operating and Reporting Segments Operating and Reporting Segments (Details 1) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Segment Reporting Information [Line Items]    
Land closing revenue $ 1,439us-gaap_LandSales $ 2,566us-gaap_LandSales
Homebuilding [Member] | Operating Segments [Member]    
Segment Reporting Information [Line Items]    
Land closing revenue 1,439us-gaap_LandSales
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= mth_HomebuildingMember
2,566us-gaap_LandSales
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= mth_HomebuildingMember
Homebuilding, West Region [Member] | Reportable Subsegments [Member] | Homebuilding [Member] | Operating Segments [Member]    
Segment Reporting Information [Line Items]    
Land closing revenue 0us-gaap_LandSales
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= mth_HomebuildingMember
/ us-gaap_SubsegmentsAxis
= mth_HomebuildingWestRegionMember
/ us-gaap_SubsegmentsConsolidationItemsAxis
= us-gaap_ReportableSubsegmentsMember
1,050us-gaap_LandSales
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= mth_HomebuildingMember
/ us-gaap_SubsegmentsAxis
= mth_HomebuildingWestRegionMember
/ us-gaap_SubsegmentsConsolidationItemsAxis
= us-gaap_ReportableSubsegmentsMember
Homebuilding, Central Region [Member] | Reportable Subsegments [Member] | Homebuilding [Member] | Operating Segments [Member]    
Segment Reporting Information [Line Items]    
Land closing revenue 1,439us-gaap_LandSales
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= mth_HomebuildingMember
/ us-gaap_SubsegmentsAxis
= mth_HomebuildingCentralRegionMember
/ us-gaap_SubsegmentsConsolidationItemsAxis
= us-gaap_ReportableSubsegmentsMember
1,516us-gaap_LandSales
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= mth_HomebuildingMember
/ us-gaap_SubsegmentsAxis
= mth_HomebuildingCentralRegionMember
/ us-gaap_SubsegmentsConsolidationItemsAxis
= us-gaap_ReportableSubsegmentsMember
Homebuilding, East Region [Member] | Reportable Subsegments [Member] | Homebuilding [Member] | Operating Segments [Member]    
Segment Reporting Information [Line Items]    
Land closing revenue $ 0us-gaap_LandSales
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= mth_HomebuildingMember
/ us-gaap_SubsegmentsAxis
= mth_HomebuildingEastRegionMember
/ us-gaap_SubsegmentsConsolidationItemsAxis
= us-gaap_ReportableSubsegmentsMember
$ 0us-gaap_LandSales
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember
/ us-gaap_StatementBusinessSegmentsAxis
= mth_HomebuildingMember
/ us-gaap_SubsegmentsAxis
= mth_HomebuildingEastRegionMember
/ us-gaap_SubsegmentsConsolidationItemsAxis
= us-gaap_ReportableSubsegmentsMember