 | us-gaap:DepreciationAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectRealEstate |
 | us-gaap:AdjustmentForAmortizationAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectRealEstate |
 | us-gaap:OtherDepreciationAndAmortization | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectRealEstate |
 | us-gaap:Depletion | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectRealEstate |
 | us-gaap:DepreciationDepletionAndAmortization | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectRealEstate |
 | us-gaap:DepreciationAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectRealEstateStatementTable |
 | us-gaap:AdjustmentForAmortizationAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectRealEstateStatementTable |
 | us-gaap:OtherDepreciationAndAmortization | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectRealEstateStatementTable |
 | us-gaap:Depletion | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectRealEstateStatementTable |
 | us-gaap:DepreciationDepletionAndAmortization | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectRealEstateStatementTable |
 | us-gaap:DepreciationAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirect |
 | us-gaap:AdjustmentForAmortizationAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirect |
 | us-gaap:OtherDepreciationAndAmortization | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirect |
 | us-gaap:DepletionAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirect |
 | us-gaap:DepreciationDepletionAndAmortization | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirect |
 | us-gaap:DepreciationAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectStatementTable |
 | us-gaap:AdjustmentForAmortizationAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectStatementTable |
 | us-gaap:OtherDepreciationAndAmortization | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectStatementTable |
 | us-gaap:DepletionAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectStatementTable |
 | us-gaap:DepreciationDepletionAndAmortization | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectStatementTable |
 | us-gaap:Depreciation | parent-child | http://fasb.org/us-gaap/role/disclosure/PropertyPlantAndEquipment |
 | us-gaap:AdjustmentForAmortization | parent-child | http://fasb.org/us-gaap/role/disclosure/PropertyPlantAndEquipment |
 | us-gaap:OtherDepreciationAndAmortization | parent-child | http://fasb.org/us-gaap/role/disclosure/PropertyPlantAndEquipment |
 | us-gaap:Depletion | parent-child | http://fasb.org/us-gaap/role/disclosure/PropertyPlantAndEquipment |
 | us-gaap:DepreciationDepletionAndAmortization | parent-child | http://fasb.org/us-gaap/role/disclosure/PropertyPlantAndEquipment |
 | us-gaap:Depreciation | domain-member | http://fasb.org/us-gaap/role/disclosure/PropertyPlantAndEquipmentScheduleOfPropertyPlantAndEquipmentTable |
 | us-gaap:AdjustmentForAmortization | domain-member | http://fasb.org/us-gaap/role/disclosure/PropertyPlantAndEquipmentScheduleOfPropertyPlantAndEquipmentTable |
 | us-gaap:OtherDepreciationAndAmortization | domain-member | http://fasb.org/us-gaap/role/disclosure/PropertyPlantAndEquipmentScheduleOfPropertyPlantAndEquipmentTable |
 | us-gaap:Depletion | domain-member | http://fasb.org/us-gaap/role/disclosure/PropertyPlantAndEquipmentScheduleOfPropertyPlantAndEquipmentTable |
 | us-gaap:DepreciationDepletionAndAmortization | domain-member | http://fasb.org/us-gaap/role/disclosure/PropertyPlantAndEquipmentScheduleOfPropertyPlantAndEquipmentTable |
 | us-gaap:Depreciation | parent-child | http://fasb.org/us-gaap/role/disclosure/SegmentReporting |
 | us-gaap:Depletion | parent-child | http://fasb.org/us-gaap/role/disclosure/SegmentReporting |
 | us-gaap:AdjustmentForAmortization | parent-child | http://fasb.org/us-gaap/role/disclosure/SegmentReporting |
 | us-gaap:OtherDepreciationAndAmortization | parent-child | http://fasb.org/us-gaap/role/disclosure/SegmentReporting |
 | us-gaap:DepreciationDepletionAndAmortization | parent-child | http://fasb.org/us-gaap/role/disclosure/SegmentReporting |
 | us-gaap:Depreciation | domain-member | http://fasb.org/us-gaap/role/disclosure/SegmentReportingScheduleOfSegmentReportingInformationBySegmentTable |
 | us-gaap:Depletion | domain-member | http://fasb.org/us-gaap/role/disclosure/SegmentReportingScheduleOfSegmentReportingInformationBySegmentTable |
 | us-gaap:AdjustmentForAmortization | domain-member | http://fasb.org/us-gaap/role/disclosure/SegmentReportingScheduleOfSegmentReportingInformationBySegmentTable |
 | us-gaap:OtherDepreciationAndAmortization | domain-member | http://fasb.org/us-gaap/role/disclosure/SegmentReportingScheduleOfSegmentReportingInformationBySegmentTable |
 | us-gaap:DepreciationDepletionAndAmortization | domain-member | http://fasb.org/us-gaap/role/disclosure/SegmentReportingScheduleOfSegmentReportingInformationBySegmentTable |