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Preferred Stock [Member]

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Name	PreferredStockMember
Namespace	http://fasb.org/us-gaap/2021-01-31
Prefix	us-gaap
Data type	dtr-types:domainItemType
Period type	duration
Substitution Group	xbrli:item
Balance	None
Nillable	True
Abstract	True

Text	Lang	Role	Container role
Preferred Stock [Member]	en-US	http://www.xbrl.org/2003/role/label	http://www.xbrl.org/2003/role/link

Name	Relation Type	Role
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists
Contingent Convertible Preferred Stock [Member] `us-gaap:ContingentConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/AccountingPolicies
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/AccountingPolicies
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/AccountingPolicies
Contingent Convertible Preferred Stock [Member] `us-gaap:ContingentConvertiblePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/AccountingPolicies
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/AccountingPoliciesScheduleOfImpairedFinancingReceivableTable
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/AccountingPoliciesScheduleOfImpairedFinancingReceivableTable
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/AccountingPoliciesScheduleOfImpairedFinancingReceivableTable
Contingent Convertible Preferred Stock [Member] `us-gaap:ContingentConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/AccountingPoliciesScheduleOfImpairedFinancingReceivableTable
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthers
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthers
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthers
Contingent Convertible Preferred Stock [Member] `us-gaap:ContingentConvertiblePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthers
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthersLoansAndLeasesReceivableDisclosureTable
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthersLoansAndLeasesReceivableDisclosureTable
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthersLoansAndLeasesReceivableDisclosureTable
Contingent Convertible Preferred Stock [Member] `us-gaap:ContingentConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthersLoansAndLeasesReceivableDisclosureTable
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthersScheduleOfAccountsNotesLoansAndFinancingReceivableTable
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthersScheduleOfAccountsNotesLoansAndFinancingReceivableTable
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthersScheduleOfAccountsNotesLoansAndFinancingReceivableTable
Contingent Convertible Preferred Stock [Member] `us-gaap:ContingentConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthersScheduleOfAccountsNotesLoansAndFinancingReceivableTable
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthersScheduleOfFinancingReceivableAllowanceForCreditLossesTable
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthersScheduleOfFinancingReceivableAllowanceForCreditLossesTable
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthersScheduleOfFinancingReceivableAllowanceForCreditLossesTable
Contingent Convertible Preferred Stock [Member] `us-gaap:ContingentConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthersScheduleOfFinancingReceivableAllowanceForCreditLossesTable
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthersScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthersScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthersScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable
Contingent Convertible Preferred Stock [Member] `us-gaap:ContingentConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthersScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthersScheduleOfFinancingReceivableTroubledDebtRestructuringsTable
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthersScheduleOfFinancingReceivableTroubledDebtRestructuringsTable
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthersScheduleOfFinancingReceivableTroubledDebtRestructuringsTable
Contingent Convertible Preferred Stock [Member] `us-gaap:ContingentConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthersScheduleOfFinancingReceivableTroubledDebtRestructuringsTable
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthersScheduleOfFinancingReceivablesPastDueTable
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthersScheduleOfFinancingReceivablesPastDueTable
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthersScheduleOfFinancingReceivablesPastDueTable
Contingent Convertible Preferred Stock [Member] `us-gaap:ContingentConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthersScheduleOfFinancingReceivablesPastDueTable
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthersScheduleOfImpairedFinancingReceivableTable
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthersScheduleOfImpairedFinancingReceivableTable
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthersScheduleOfImpairedFinancingReceivableTable
Contingent Convertible Preferred Stock [Member] `us-gaap:ContingentConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthersScheduleOfImpairedFinancingReceivableTable
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecurities
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecurities
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecurities
Contingent Convertible Preferred Stock [Member] `us-gaap:ContingentConvertiblePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecurities
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesDebtSecuritiesAvailableForSaleTable
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesDebtSecuritiesAvailableForSaleTable
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesDebtSecuritiesAvailableForSaleTable
Contingent Convertible Preferred Stock [Member] `us-gaap:ContingentConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesDebtSecuritiesAvailableForSaleTable
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesDebtSecuritiesAvailableForSaleUnrealizedLossPositionFairValueTable
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesDebtSecuritiesAvailableForSaleUnrealizedLossPositionFairValueTable
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesDebtSecuritiesAvailableForSaleUnrealizedLossPositionFairValueTable
Contingent Convertible Preferred Stock [Member] `us-gaap:ContingentConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesDebtSecuritiesAvailableForSaleUnrealizedLossPositionFairValueTable
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesEquitySecuritiesWithoutReadilyDeterminableFairValueTable
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesEquitySecuritiesWithoutReadilyDeterminableFairValueTable
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesEquitySecuritiesWithoutReadilyDeterminableFairValueTable
Contingent Convertible Preferred Stock [Member] `us-gaap:ContingentConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesEquitySecuritiesWithoutReadilyDeterminableFairValueTable
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesMarketableSecuritiesTable
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesMarketableSecuritiesTable
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesMarketableSecuritiesTable
Contingent Convertible Preferred Stock [Member] `us-gaap:ContingentConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesMarketableSecuritiesTable
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesScheduleOfGainLossOnInvestmentsTable
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesScheduleOfGainLossOnInvestmentsTable
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesScheduleOfGainLossOnInvestmentsTable
Contingent Convertible Preferred Stock [Member] `us-gaap:ContingentConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesScheduleOfGainLossOnInvestmentsTable
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesScheduleOfHeldToMaturitySecuritiesTable
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesScheduleOfHeldToMaturitySecuritiesTable
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesScheduleOfHeldToMaturitySecuritiesTable
Contingent Convertible Preferred Stock [Member] `us-gaap:ContingentConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesScheduleOfHeldToMaturitySecuritiesTable
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesScheduleOfOtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsTable
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesScheduleOfOtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsTable
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesScheduleOfOtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsTable
Contingent Convertible Preferred Stock [Member] `us-gaap:ContingentConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesScheduleOfOtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsTable
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesScheduleOfTradingSecuritiesAndOtherTradingAssetsTable
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesScheduleOfTradingSecuritiesAndOtherTradingAssetsTable
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesScheduleOfTradingSecuritiesAndOtherTradingAssetsTable
Contingent Convertible Preferred Stock [Member] `us-gaap:ContingentConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesScheduleOfTradingSecuritiesAndOtherTradingAssetsTable
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosures
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosures
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosures
Contingent Convertible Preferred Stock [Member] `us-gaap:ContingentConvertiblePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosures
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosuresFairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosuresFairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosuresFairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable
Contingent Convertible Preferred Stock [Member] `us-gaap:ContingentConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosuresFairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThrift
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThrift
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThrift
Contingent Convertible Preferred Stock [Member] `us-gaap:ContingentConvertiblePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThrift
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThriftDistributionOfAssetsLiabilitiesAndStockholdersEquityTable
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThriftDistributionOfAssetsLiabilitiesAndStockholdersEquityTable
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThriftDistributionOfAssetsLiabilitiesAndStockholdersEquityTable
Contingent Convertible Preferred Stock [Member] `us-gaap:ContingentConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThriftDistributionOfAssetsLiabilitiesAndStockholdersEquityTable
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThriftFinancingReceivableBeforeAllowanceForCreditLossMaturityTable
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThriftFinancingReceivableBeforeAllowanceForCreditLossMaturityTable
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThriftFinancingReceivableBeforeAllowanceForCreditLossMaturityTable
Contingent Convertible Preferred Stock [Member] `us-gaap:ContingentConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThriftFinancingReceivableBeforeAllowanceForCreditLossMaturityTable
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThriftInterestRateAndInterestDifferentialAnalysisTable
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThriftInterestRateAndInterestDifferentialAnalysisTable
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThriftInterestRateAndInterestDifferentialAnalysisTable
Contingent Convertible Preferred Stock [Member] `us-gaap:ContingentConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThriftInterestRateAndInterestDifferentialAnalysisTable
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThriftTransferOfCertainFinancialAssetsAccountedForAsSecuredBorrowingsTable
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThriftTransferOfCertainFinancialAssetsAccountedForAsSecuredBorrowingsTable
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThriftTransferOfCertainFinancialAssetsAccountedForAsSecuredBorrowingsTable
Contingent Convertible Preferred Stock [Member] `us-gaap:ContingentConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThriftTransferOfCertainFinancialAssetsAccountedForAsSecuredBorrowingsTable
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsurance
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsurance
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsurance
Contingent Convertible Preferred Stock [Member] `us-gaap:ContingentConvertiblePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsurance
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentTable
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentTable
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentTable
Contingent Convertible Preferred Stock [Member] `us-gaap:ContingentConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentTable
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceScheduleOfInvestmentIncomeReportedAmountsByCategoryTable
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceScheduleOfInvestmentIncomeReportedAmountsByCategoryTable
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceScheduleOfInvestmentIncomeReportedAmountsByCategoryTable
Contingent Convertible Preferred Stock [Member] `us-gaap:ContingentConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceScheduleOfInvestmentIncomeReportedAmountsByCategoryTable
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/CreditLosses
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/CreditLosses
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/CreditLosses
Contingent Convertible Preferred Stock [Member] `us-gaap:ContingentConvertiblePreferredStockMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/CreditLosses
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesDebtSecuritiesAvailableForSaleAllowanceForCreditLossTable
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesDebtSecuritiesAvailableForSaleAllowanceForCreditLossTable
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesDebtSecuritiesAvailableForSaleAllowanceForCreditLossTable
Contingent Convertible Preferred Stock [Member] `us-gaap:ContingentConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesDebtSecuritiesAvailableForSaleAllowanceForCreditLossTable
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesDebtSecuritiesHeldToMaturityAllowanceForCreditLossTable
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesDebtSecuritiesHeldToMaturityAllowanceForCreditLossTable
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesDebtSecuritiesHeldToMaturityAllowanceForCreditLossTable
Contingent Convertible Preferred Stock [Member] `us-gaap:ContingentConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesDebtSecuritiesHeldToMaturityAllowanceForCreditLossTable
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesDebtSecuritiesHeldToMaturityCreditQualityIndicatorTable
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesDebtSecuritiesHeldToMaturityCreditQualityIndicatorTable
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesDebtSecuritiesHeldToMaturityCreditQualityIndicatorTable
Contingent Convertible Preferred Stock [Member] `us-gaap:ContingentConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesDebtSecuritiesHeldToMaturityCreditQualityIndicatorTable
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesDebtSecuritiesHeldToMaturityNonaccrualTable
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesDebtSecuritiesHeldToMaturityNonaccrualTable
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesDebtSecuritiesHeldToMaturityNonaccrualTable
Contingent Convertible Preferred Stock [Member] `us-gaap:ContingentConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesDebtSecuritiesHeldToMaturityNonaccrualTable
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesFinancingReceivableNonaccrualTable
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesFinancingReceivableNonaccrualTable
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesFinancingReceivableNonaccrualTable
Contingent Convertible Preferred Stock [Member] `us-gaap:ContingentConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesFinancingReceivableNonaccrualTable
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesScheduleOfFinancingReceivableAllowanceForCreditLossesTable
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesScheduleOfFinancingReceivableAllowanceForCreditLossesTable
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesScheduleOfFinancingReceivableAllowanceForCreditLossesTable
Contingent Convertible Preferred Stock [Member] `us-gaap:ContingentConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesScheduleOfFinancingReceivableAllowanceForCreditLossesTable
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable
Contingent Convertible Preferred Stock [Member] `us-gaap:ContingentConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesScheduleOfFinancingReceivablesPastDueTable
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesScheduleOfFinancingReceivablesPastDueTable
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesScheduleOfFinancingReceivablesPastDueTable
Contingent Convertible Preferred Stock [Member] `us-gaap:ContingentConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesScheduleOfFinancingReceivablesPastDueTable
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesSecuritiesBorrowedAllowanceForCreditLossTable
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesSecuritiesBorrowedAllowanceForCreditLossTable
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesSecuritiesBorrowedAllowanceForCreditLossTable
Contingent Convertible Preferred Stock [Member] `us-gaap:ContingentConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesSecuritiesBorrowedAllowanceForCreditLossTable
Nonredeemable Preferred Stock [Member] `us-gaap:NonredeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesSecuritiesPurchasedUnderAgreementsToResellAllowanceForCreditLossTable
Redeemable Preferred Stock [Member] `us-gaap:RedeemablePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesSecuritiesPurchasedUnderAgreementsToResellAllowanceForCreditLossTable
Convertible Preferred Stock [Member] `us-gaap:ConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesSecuritiesPurchasedUnderAgreementsToResellAllowanceForCreditLossTable
Contingent Convertible Preferred Stock [Member] `us-gaap:ContingentConvertiblePreferredStockMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesSecuritiesPurchasedUnderAgreementsToResellAllowanceForCreditLossTable

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Name	Relation Type	Role
Equity Securities [Member] `us-gaap:EquitySecuritiesMember`	domain-member	http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists
Parent [Member] `us-gaap:ParentMember`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncome
Parent [Member] `us-gaap:ParentMember`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfShareholdersEquityAndOtherComprehensiveIncomeStatementTable
Equity Securities [Member] `us-gaap:EquitySecuritiesMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/InvestmentHoldings
Equity Securities [Member] `us-gaap:EquitySecuritiesMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentHoldings
Equity Securities [Member] `us-gaap:EquitySecuritiesMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/InvestmentsSoldNotYetPurchased
Equity Securities [Member] `us-gaap:EquitySecuritiesMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsSoldNotYetPurchasedInvestmentsSoldNotYetPurchasedTable
Equity Securities [Member] `us-gaap:EquitySecuritiesMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings
Equity Securities [Member] `us-gaap:EquitySecuritiesMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings
Equity Securities [Member] `us-gaap:EquitySecuritiesMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldings
Equity Securities [Member] `us-gaap:EquitySecuritiesMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldingsInvestmentHoldingsOtherThanSecuritiesTable
Equity Securities [Member] `us-gaap:EquitySecuritiesMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNote
Equity Securities [Member] `us-gaap:EquitySecuritiesMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNoteFederalIncomeTaxNoteTable
Equity Securities [Member] `us-gaap:EquitySecuritiesMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/AccountingPolicies
Equity Securities [Member] `us-gaap:EquitySecuritiesMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/AccountingPoliciesScheduleOfImpairedFinancingReceivableTable
Equity Securities [Member] `us-gaap:EquitySecuritiesMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthers
Equity Securities [Member] `us-gaap:EquitySecuritiesMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthersLoansAndLeasesReceivableDisclosureTable
Equity Securities [Member] `us-gaap:EquitySecuritiesMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthersScheduleOfAccountsNotesLoansAndFinancingReceivableTable
Equity Securities [Member] `us-gaap:EquitySecuritiesMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthersScheduleOfFinancingReceivableAllowanceForCreditLossesTable
Equity Securities [Member] `us-gaap:EquitySecuritiesMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthersScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable
Equity Securities [Member] `us-gaap:EquitySecuritiesMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthersScheduleOfFinancingReceivableTroubledDebtRestructuringsTable
Equity Securities [Member] `us-gaap:EquitySecuritiesMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthersScheduleOfFinancingReceivablesPastDueTable
Equity Securities [Member] `us-gaap:EquitySecuritiesMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthersScheduleOfImpairedFinancingReceivableTable
Financial Instruments [Domain] `us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain`	parent-child	http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecurities
Financial Instruments [Domain] `us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesDebtSecuritiesAvailableForSaleTable
Financial Instruments [Domain] `us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesDebtSecuritiesAvailableForSaleUnrealizedLossPositionFairValueTable
Financial Instruments [Domain] `us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesEquitySecuritiesWithoutReadilyDeterminableFairValueTable
Financial Instruments [Domain] `us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesMarketableSecuritiesTable
Financial Instruments [Domain] `us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesScheduleOfGainLossOnInvestmentsTable
Financial Instruments [Domain] `us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesScheduleOfHeldToMaturitySecuritiesTable
Financial Instruments [Domain] `us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesScheduleOfOtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsTable
Financial Instruments [Domain] `us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesScheduleOfTradingSecuritiesAndOtherTradingAssetsTable
Parent [Member] `us-gaap:ParentMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/Equity
Parent [Member] `us-gaap:ParentMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/EquityAccumulatedOtherComprehensiveIncomeLossTable
Parent [Member] `us-gaap:ParentMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/EquityReclassificationOutOfAccumulatedOtherComprehensiveIncomeTable
Equity Interest Issued or Issuable, Type [Domain] `us-gaap:EquityInterestIssuedOrIssuableTypeDomain`	parent-child	http://fasb.org/us-gaap/role/disclosure/BusinessCombinations
Equity Interest Issued or Issuable, Type [Domain] `us-gaap:EquityInterestIssuedOrIssuableTypeDomain`	domain-member	http://fasb.org/us-gaap/role/disclosure/BusinessCombinationsScheduleOfBusinessAcquisitionsByAcquisitionEquityInterestIssuedOrIssuableTable
Equity Securities [Member] `us-gaap:EquitySecuritiesMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosures
Equity Securities [Member] `us-gaap:EquitySecuritiesMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosuresFairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable
Financial Instruments [Domain] `us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThrift
Financial Instruments [Domain] `us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThriftDistributionOfAssetsLiabilitiesAndStockholdersEquityTable
Financial Instruments [Domain] `us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThriftFinancingReceivableBeforeAllowanceForCreditLossMaturityTable
Financial Instruments [Domain] `us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThriftInterestRateAndInterestDifferentialAnalysisTable
Financial Instruments [Domain] `us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThriftTransferOfCertainFinancialAssetsAccountedForAsSecuredBorrowingsTable
Security Owned and Sold, Not yet Purchased Fair Value, Security Name [Domain] `us-gaap:SecurityOwnedAndSoldNotYetPurchasedFairValueSecurityNameDomain`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialServicesBrokersAndDealers
Security Owned and Sold, Not yet Purchased Fair Value, Security Name [Domain] `us-gaap:SecurityOwnedAndSoldNotYetPurchasedFairValueSecurityNameDomain`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesBrokersAndDealersSecurityOwnedAndSoldNotYetPurchasedAtFairValueTable
Equity Securities [Member] `us-gaap:EquitySecuritiesMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsurance
Equity Securities [Member] `us-gaap:EquitySecuritiesMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentTable
Equity Securities [Member] `us-gaap:EquitySecuritiesMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceScheduleOfInvestmentIncomeReportedAmountsByCategoryTable
Equity Securities [Member] `us-gaap:EquitySecuritiesMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompany
Equity Securities [Member] `us-gaap:EquitySecuritiesMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompanyInvestmentHoldingsTable
Parent [Member] `us-gaap:ParentMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceA
Parent [Member] `us-gaap:ParentMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceANewAccountingPronouncementsOrChangeInAccountingPrincipleTable
Equity Securities [Member] `us-gaap:EquitySecuritiesMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/CreditLosses
Financial Instruments [Domain] `us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain`	parent-child	http://fasb.org/us-gaap/role/disclosure/CreditLosses
Financial Instruments [Domain] `us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesDebtSecuritiesAvailableForSaleAllowanceForCreditLossTable
Financial Instruments [Domain] `us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesDebtSecuritiesHeldToMaturityAllowanceForCreditLossTable
Financial Instruments [Domain] `us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesDebtSecuritiesHeldToMaturityCreditQualityIndicatorTable
Financial Instruments [Domain] `us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesDebtSecuritiesHeldToMaturityNonaccrualTable
Equity Securities [Member] `us-gaap:EquitySecuritiesMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesFinancingReceivableNonaccrualTable
Equity Securities [Member] `us-gaap:EquitySecuritiesMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesScheduleOfFinancingReceivableAllowanceForCreditLossesTable
Equity Securities [Member] `us-gaap:EquitySecuritiesMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable
Equity Securities [Member] `us-gaap:EquitySecuritiesMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesScheduleOfFinancingReceivablesPastDueTable
Financial Instruments [Domain] `us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesSecuritiesBorrowedAllowanceForCreditLossTable
Financial Instruments [Domain] `us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain`	domain-member	http://fasb.org/us-gaap/role/disclosure/CreditLossesSecuritiesPurchasedUnderAgreementsToResellAllowanceForCreditLossTable