 | us-gaap:CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortizationAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfIncomeAlternative |
 | us-gaap:CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortizationAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfIncomeAlternativeStatementTable |
 | us-gaap:CostOfGoodsAndServicesSoldAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateExcludingREITs |
 | us-gaap:CostOfGoodsAndServicesSoldAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateExcludingREITsStatementTable |
 | us-gaap:CostOfGoodsAndServicesSoldAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateInvestmentTrusts |
 | us-gaap:CostOfGoodsAndServicesSoldAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateInvestmentTrustsStatementTable |
 | us-gaap:CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortizationAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfIncome |
 | us-gaap:CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfIncome |
 | us-gaap:CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortizationAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfIncomeStatementTable |
 | us-gaap:DisaggregationOfRevenueLineItems | parent-child | http://fasb.org/us-gaap/role/disclosure/RevenuefromContractswithCustomers |
 | us-gaap:DisaggregationOfRevenueLineItems | domain-member | http://fasb.org/us-gaap/role/disclosure/RevenuefromContractswithCustomersDisaggregationOfRevenueTable |