 | us-gaap:IncomeStatementAbstract | domain-member | http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists |
 | us-gaap:OperatingIncomeLossAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfIncomeAlternative |
 | us-gaap:OperatingIncomeLossAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfIncomeAlternativeStatementTable |
 | us-gaap:OperatingIncomeLossAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateExcludingREITs |
 | us-gaap:OperatingIncomeLossAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateExcludingREITsStatementTable |
 | us-gaap:OperatingIncomeLossAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateInvestmentTrusts |
 | us-gaap:OperatingIncomeLossAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateInvestmentTrustsStatementTable |
 | us-gaap:OperatingIncomeLossAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfIncome |
 | us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfIncome |
 | us-gaap:IncomeLossFromContinuingOperationsBeforeInterestExpenseInterestIncomeIncomeTaxesExtraordinaryItemsNoncontrollingInterestsNet | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfIncomeFirstAlternative |
 | us-gaap:OperatingIncomeLossAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfIncomeStatementTable |
 | us-gaap:SelectedQuarterlyFinancialInformationAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/InterimReporting |
 | us-gaap:SegmentReportingInformationOperatingIncomeLossAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/SegmentReporting |
 | us-gaap:SegmentReportingInformationOperatingIncomeLossAbstract | domain-member | http://fasb.org/us-gaap/role/disclosure/SegmentReportingScheduleOfSegmentReportingInformationBySegmentTable |