 | us-gaap:NetInvestmentInLeaseExcludingAccruedInterestBeforeAllowanceForCreditLoss | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations |
 | us-gaap:NetInvestmentInLeaseAllowanceForCreditLossExcludingAccruedInterest | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations |
 | us-gaap:NetInvestmentInLeaseExcludingAccruedInterestAfterAllowanceForCreditLoss | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations |
 | us-gaap:NetInvestmentInLeaseExcludingAccruedInterestBeforeAllowanceForCreditLoss | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperationsStatementTable |
 | us-gaap:NetInvestmentInLeaseAllowanceForCreditLossExcludingAccruedInterest | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperationsStatementTable |
 | us-gaap:NetInvestmentInLeaseExcludingAccruedInterestAfterAllowanceForCreditLoss | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperationsStatementTable |
 | us-gaap:NetInvestmentInLeaseExcludingAccruedInterestBeforeAllowanceForCreditLoss | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-InvestmentBasedOperations |
 | us-gaap:NetInvestmentInLeaseAllowanceForCreditLossExcludingAccruedInterest | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-InvestmentBasedOperations |
 | us-gaap:NetInvestmentInLeaseExcludingAccruedInterestAfterAllowanceForCreditLoss | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-InvestmentBasedOperations |
 | us-gaap:NetInvestmentInLeaseExcludingAccruedInterestBeforeAllowanceForCreditLoss | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-InvestmentBasedOperationsStatementTable |
 | us-gaap:NetInvestmentInLeaseAllowanceForCreditLossExcludingAccruedInterest | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-InvestmentBasedOperationsStatementTable |
 | us-gaap:NetInvestmentInLeaseExcludingAccruedInterestAfterAllowanceForCreditLoss | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-InvestmentBasedOperationsStatementTable |
 | us-gaap:NetInvestmentInLeaseExcludingAccruedInterestBeforeAllowanceForCreditLoss | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-SecuritiesBasedOperations |
 | us-gaap:NetInvestmentInLeaseAllowanceForCreditLossExcludingAccruedInterest | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-SecuritiesBasedOperations |
 | us-gaap:NetInvestmentInLeaseExcludingAccruedInterestAfterAllowanceForCreditLoss | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-SecuritiesBasedOperations |
 | us-gaap:NetInvestmentInLeaseExcludingAccruedInterestBeforeAllowanceForCreditLoss | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-SecuritiesBasedOperationsStatementTable |
 | us-gaap:NetInvestmentInLeaseAllowanceForCreditLossExcludingAccruedInterest | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-SecuritiesBasedOperationsStatementTable |
 | us-gaap:NetInvestmentInLeaseExcludingAccruedInterestAfterAllowanceForCreditLoss | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-SecuritiesBasedOperationsStatementTable |