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 | us-gaap:SalesTypeLeaseNetInvestmentInLeaseExcludingAccruedInterestAfterAllowanceForCreditLoss | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations |
 | us-gaap:SalesTypeLeaseNetInvestmentInLeaseExcludingAccruedInterestBeforeAllowanceForCreditLoss | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperationsStatementTable |
 | us-gaap:SalesTypeLeaseNetInvestmentInLeaseAllowanceForCreditLossExcludingAccruedInterest | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperationsStatementTable |
 | us-gaap:SalesTypeLeaseNetInvestmentInLeaseExcludingAccruedInterestAfterAllowanceForCreditLoss | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperationsStatementTable |
 | us-gaap:SalesTypeLeaseNetInvestmentInLeaseExcludingAccruedInterestBeforeAllowanceForCreditLoss | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-InvestmentBasedOperations |
 | us-gaap:SalesTypeLeaseNetInvestmentInLeaseAllowanceForCreditLossExcludingAccruedInterest | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-InvestmentBasedOperations |
 | us-gaap:SalesTypeLeaseNetInvestmentInLeaseExcludingAccruedInterestAfterAllowanceForCreditLoss | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-InvestmentBasedOperations |
 | us-gaap:SalesTypeLeaseNetInvestmentInLeaseExcludingAccruedInterestBeforeAllowanceForCreditLoss | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-InvestmentBasedOperationsStatementTable |
 | us-gaap:SalesTypeLeaseNetInvestmentInLeaseAllowanceForCreditLossExcludingAccruedInterest | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-InvestmentBasedOperationsStatementTable |
 | us-gaap:SalesTypeLeaseNetInvestmentInLeaseExcludingAccruedInterestAfterAllowanceForCreditLoss | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-InvestmentBasedOperationsStatementTable |
 | us-gaap:SalesTypeLeaseNetInvestmentInLeaseExcludingAccruedInterestBeforeAllowanceForCreditLoss | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-SecuritiesBasedOperations |
 | us-gaap:SalesTypeLeaseNetInvestmentInLeaseAllowanceForCreditLossExcludingAccruedInterest | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-SecuritiesBasedOperations |
 | us-gaap:SalesTypeLeaseNetInvestmentInLeaseExcludingAccruedInterestAfterAllowanceForCreditLoss | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-SecuritiesBasedOperations |
 | us-gaap:SalesTypeLeaseNetInvestmentInLeaseExcludingAccruedInterestBeforeAllowanceForCreditLoss | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-SecuritiesBasedOperationsStatementTable |
 | us-gaap:SalesTypeLeaseNetInvestmentInLeaseAllowanceForCreditLossExcludingAccruedInterest | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-SecuritiesBasedOperationsStatementTable |
 | us-gaap:SalesTypeLeaseNetInvestmentInLeaseExcludingAccruedInterestAfterAllowanceForCreditLoss | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-SecuritiesBasedOperationsStatementTable |