 | us-gaap:RestrictedCash | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperations |
 | us-gaap:RestrictedCashEquivalents | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperations |
 | us-gaap:RestrictedCashAndCashEquivalents | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperations |
 | us-gaap:RestrictedCash | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperationsStatementTable |
 | us-gaap:RestrictedCashEquivalents | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperationsStatementTable |
 | us-gaap:RestrictedCashAndCashEquivalents | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperationsStatementTable |
 | us-gaap:RestrictedCash | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations |
 | us-gaap:RestrictedCashEquivalents | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations |
 | us-gaap:RestrictedCashAndCashEquivalents | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations |
 | us-gaap:RestrictedCash | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperationsStatementTable |
 | us-gaap:RestrictedCashEquivalents | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperationsStatementTable |
 | us-gaap:RestrictedCashAndCashEquivalents | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperationsStatementTable |
 | us-gaap:RestrictedCash | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-InvestmentBasedOperations |
 | us-gaap:RestrictedCashEquivalents | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-InvestmentBasedOperations |
 | us-gaap:RestrictedCashAndCashEquivalents | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-InvestmentBasedOperations |
 | us-gaap:RestrictedCash | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-InvestmentBasedOperationsStatementTable |
 | us-gaap:RestrictedCashEquivalents | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-InvestmentBasedOperationsStatementTable |
 | us-gaap:RestrictedCashAndCashEquivalents | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-InvestmentBasedOperationsStatementTable |
 | us-gaap:RestrictedCash | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-SecuritiesBasedOperations |
 | us-gaap:RestrictedCashEquivalents | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-SecuritiesBasedOperations |
 | us-gaap:RestrictedCashAndCashEquivalents | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-SecuritiesBasedOperations |
 | us-gaap:RestrictedCash | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-SecuritiesBasedOperationsStatementTable |
 | us-gaap:RestrictedCashEquivalents | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-SecuritiesBasedOperationsStatementTable |
 | us-gaap:RestrictedCashAndCashEquivalents | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-SecuritiesBasedOperationsStatementTable |
 | us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsSupplementalDisclosures |
 | us-gaap:RestrictedCashAndCashEquivalentsNoncurrent | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsSupplementalDisclosures |
 | us-gaap:RestrictedCashAndCashEquivalents | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsSupplementalDisclosures |
 | us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue | parent-child | http://fasb.org/us-gaap/role/disclosure/CashAndCashEquivalents |
 | us-gaap:RestrictedCashAndCashEquivalentsNoncurrent | parent-child | http://fasb.org/us-gaap/role/disclosure/CashAndCashEquivalents |
 | us-gaap:RestrictedCashAndCashEquivalents | parent-child | http://fasb.org/us-gaap/role/disclosure/CashAndCashEquivalents |
 | us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue | domain-member | http://fasb.org/us-gaap/role/disclosure/CashAndCashEquivalentsScheduleOfRestrictedCashAndCashEquivalentsTable |
 | us-gaap:RestrictedCashAndCashEquivalentsNoncurrent | domain-member | http://fasb.org/us-gaap/role/disclosure/CashAndCashEquivalentsScheduleOfRestrictedCashAndCashEquivalentsTable |
 | us-gaap:RestrictedCashAndCashEquivalents | domain-member | http://fasb.org/us-gaap/role/disclosure/CashAndCashEquivalentsScheduleOfRestrictedCashAndCashEquivalentsTable |