 | us-gaap:AssetsNoncurrentAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified-RealEstateOperations |
 | us-gaap:AssetsNoncurrentAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified-RealEstateOperationsStatementTable |
 | us-gaap:AssetsNoncurrentAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified |
 | us-gaap:AssetsNoncurrent | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified |
 | us-gaap:AssetsNoncurrentAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassifiedStatementTable |
 | us-gaap:NetInvestmentInLease | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations |
 | us-gaap:AssetsAndLiabilitiesLessorAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/Leases842 |
 | us-gaap:NetInvestmentInLeaseAfterAllowanceForCreditLossNoncurrentAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/Leases842 |
 | us-gaap:NetInvestmentInLeasesAlternativeAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/Leases842 |
 | us-gaap:NetInvestmentInLease | summation-item | http://fasb.org/us-gaap/role/disclosure/Leases842 |
 | us-gaap:NetInvestmentInLeaseAfterAllowanceForCreditLossNoncurrent | summation-item | http://fasb.org/us-gaap/role/disclosure/CreditLossesCalc2 |