 | us-gaap:PostconfirmationLongTermDebt | dep-concept-deprecatedConcept | http://fasb.org/us-gaap/role/deprecated/deprecated |
 | us-gaap:NonRecourseDebt | dep-dimensionallyQualifiedConcept-deprecatedConcept | http://fasb.org/us-gaap/role/deprecated/deprecated |
 | us-gaap:FreshStartAdjustmentIncreaseDecreaseLongTermDebt | dep-dimensionallyQualifiedConcept-deprecatedConcept | http://fasb.org/us-gaap/role/deprecated/deprecated |
 | us-gaap:PreconfirmationLongTermDebt | dep-dimensionallyQualifiedConcept-deprecatedConcept | http://fasb.org/us-gaap/role/deprecated/deprecated |
 | us-gaap:DebtInstrumentCarryingAmount | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassifiedFirstAlternative |
 | us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassifiedFirstAlternative |
 | us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingAfterYearFive | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassifiedSecondAlternative |
 | us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearFourAndFive | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassifiedSecondAlternative |
 | us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearTwoAndThree | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassifiedSecondAlternative |
 | us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextRollingTwelveMonths | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassifiedSecondAlternative |
 | us-gaap:LongTermDebtRecourseStatusExtensibleEnumeration | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations |
 | us-gaap:SecuredDebt | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations |
 | us-gaap:UnsecuredDebt | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations |
 | us-gaap:SubordinatedDebt | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations |
 | us-gaap:ConvertibleDebt | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations |
 | us-gaap:ConvertibleSubordinatedDebt | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations |
 | us-gaap:JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations |
 | us-gaap:LineOfCredit | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations |
 | us-gaap:LongtermCommercialPaperCurrentAndNoncurrent | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations |
 | us-gaap:LongtermTransitionBondCurrentAndNoncurrent | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations |
 | us-gaap:LongtermPollutionControlBondCurrentAndNoncurrent | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations |
 | us-gaap:LongtermConstructionLoanCurrentAndNoncurrent | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations |
 | us-gaap:NotesAndLoansPayable | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations |
 | us-gaap:SpecialAssessmentBond | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations |
 | us-gaap:OtherLongTermDebt | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations |
 | us-gaap:FederalHomeLoanBankAdvancesLongTerm | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations |
 | us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperationsFirstAlternate |
 | us-gaap:LongTermDebtMaturingInYearsTwoAndThree | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperationsFirstAlternate |
 | us-gaap:LongTermDebtMaturingInYearsFourAndFive | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperationsFirstAlternate |
 | us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperationsFirstAlternate |
 | us-gaap:LongTermDebtRecourseStatusExtensibleEnumeration | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperationsStatementTable |