 | us-gaap:LiabilitiesAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperations |
 | us-gaap:LiabilitiesAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperationsStatementTable |
 | us-gaap:RelatedPartyTransactionDueFromToRelatedParty | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassifiedFirstAlternative |
 | us-gaap:LiabilitiesAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations |
 | us-gaap:Liabilities | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations |
 | us-gaap:LiabilitiesAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperationsStatementTable |
 | us-gaap:LiabilitiesAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-InvestmentBasedOperations |
 | us-gaap:LiabilitiesAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-InvestmentBasedOperationsStatementTable |
 | us-gaap:LiabilitiesAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-SecuritiesBasedOperations |
 | us-gaap:LiabilitiesAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-SecuritiesBasedOperationsStatementTable |
 | us-gaap:DueToRelatedPartiesCurrentAndNoncurrentAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/PayablesAndAccruals |
 | us-gaap:DueToRelatedPartiesCurrentAndNoncurrentAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/RelatedPartyDisclosures |
 | us-gaap:DueToRelatedPartiesCurrentAndNoncurrentAbstract | domain-member | http://fasb.org/us-gaap/role/disclosure/RelatedPartyDisclosuresScheduleOfRelatedPartyTransactionsByRelatedPartyTable |
 | us-gaap:DueToRelatedPartiesCurrentAndNoncurrentAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/SECDisclosureSecurityRegisteredOrBeingRegistered |
 | us-gaap:DueToRelatedPartiesCurrentAndNoncurrentAbstract | domain-member | http://fasb.org/us-gaap/role/disclosure/SECDisclosureSecurityRegisteredOrBeingRegisteredAffiliateCollateralizedSecurityTable |
 | us-gaap:DueToRelatedPartiesCurrentAndNoncurrentAbstract | domain-member | http://fasb.org/us-gaap/role/disclosure/SECDisclosureSecurityRegisteredOrBeingRegisteredGuarantorAndIssuerGuaranteedSecurityTable |