 | us-gaap:RealEstateInvestmentPropertyAtCostAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperations |
 | us-gaap:RealEstateInvestmentPropertyAccumulatedDepreciation | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperations |
 | us-gaap:RealEstateInvestmentPropertyNet | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperations |
 | us-gaap:RealEstateInvestmentPropertyAtCostAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperationsStatementTable |
 | us-gaap:RealEstateInvestmentPropertyAccumulatedDepreciation | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperationsStatementTable |
 | us-gaap:RealEstateInvestmentPropertyNet | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperationsStatementTable |
 | us-gaap:RealEstateInvestmentPropertyAtCostAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-InvestmentBasedOperations |
 | us-gaap:RealEstateInvestmentPropertyAccumulatedDepreciation | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-InvestmentBasedOperations |
 | us-gaap:RealEstateInvestmentPropertyNet | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-InvestmentBasedOperations |
 | us-gaap:RealEstateInvestmentPropertyAtCostAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-InvestmentBasedOperationsStatementTable |
 | us-gaap:RealEstateInvestmentPropertyAccumulatedDepreciation | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-InvestmentBasedOperationsStatementTable |
 | us-gaap:RealEstateInvestmentPropertyNet | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-InvestmentBasedOperationsStatementTable |
 | us-gaap:RealEstateInvestmentPropertyAtCostAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/RealEstate |
 | us-gaap:RealEstateInvestmentPropertyAccumulatedDepreciation | parent-child | http://fasb.org/us-gaap/role/disclosure/RealEstate |
 | us-gaap:RealEstateInvestmentPropertyNet | parent-child | http://fasb.org/us-gaap/role/disclosure/RealEstate |
 | us-gaap:RealEstateInvestmentPropertyAtCostAbstract | domain-member | http://fasb.org/us-gaap/role/disclosure/RealEstate |
 | us-gaap:RealEstateInvestmentPropertyAccumulatedDepreciation | domain-member | http://fasb.org/us-gaap/role/disclosure/RealEstate |
 | us-gaap:RealEstateInvestmentPropertyNet | domain-member | http://fasb.org/us-gaap/role/disclosure/RealEstate |