 | us-gaap:InterestAndDebtExpenseAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfIncomeAlternative |
 | us-gaap:InterestAndDebtExpenseAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfIncomeAlternativeStatementTable |
 | us-gaap:InterestAndDebtExpenseAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateExcludingREITs |
 | us-gaap:InterestAndDebtExpenseAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateExcludingREITsStatementTable |
 | us-gaap:InterestAndDebtExpenseAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateInvestmentTrusts |
 | us-gaap:InterestAndDebtExpenseAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateInvestmentTrustsStatementTable |
 | us-gaap:InterestAndDebtExpenseAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfIncome |
 | us-gaap:InterestAndDebtExpense | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfIncome |
 | us-gaap:InterestAndDebtExpenseAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfIncomeStatementTable |
 | us-gaap:TroubledDebtRestructuringDebtorCurrentPeriodGainLossOnRestructuringNetOfTaxAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/Debt |
 | us-gaap:TroubledDebtRestructuringDebtorCurrentPeriodGainLossOnRestructuringNetOfTax | summation-item | http://fasb.org/us-gaap/role/disclosure/Debt |
 | us-gaap:TroubledDebtRestructuringDebtorCurrentPeriodGainLossOnRestructuringNetOfTaxAbstract | domain-member | http://fasb.org/us-gaap/role/disclosure/DebtTroubledDebtRestructuringDebtorCurrentPeriodTable |