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Name	DerivativeMember
Namespace	http://fasb.org/us-gaap/2022
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
Derivative [Member]	en-US	http://www.xbrl.org/2003/role/label	http://www.xbrl.org/2003/role/link

Name	Relation Type	Role
Forward Contracts [Member] `us-gaap:ForwardContractsMember`	domain-member	http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists
Options Held [Member] `us-gaap:OptionMember`	domain-member	http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists
Swap [Member] `us-gaap:SwapMember`	domain-member	http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists
Warrant [Member] `us-gaap:WarrantMember`	domain-member	http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists
Future [Member] `us-gaap:FutureMember`	domain-member	http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists
Option on Securities [Member] `us-gaap:OptionOnSecuritiesMember`	domain-member	http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists
Energy Related Derivative [Member] `us-gaap:EnergyRelatedDerivativeMember`	domain-member	http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists
Exchange Traded Options [Member] `us-gaap:ExchangeTradedOptionsMember`	domain-member	http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists
Foreign Exchange Forward [Member] `us-gaap:ForeignExchangeForwardMember`	domain-member	http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists
Total Return Swap [Member] `us-gaap:TotalReturnSwapMember`	domain-member	http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists
Variance Swap [Member] `us-gaap:VarianceSwapMember`	domain-member	http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists
Interest Rate Swaption [Member] `us-gaap:InterestRateSwaptionMember`	domain-member	http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists
Credit Default Swaption [Member] `us-gaap:CreditDefaultSwaptionMember`	domain-member	http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists
Capital Support Agreement [Member] `us-gaap:CapitalSupportAgreementMember`	domain-member	http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists
Options Held [Member] `us-gaap:OptionMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/InvestmentHoldings
Option on Securities [Member] `us-gaap:OptionOnSecuritiesMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/InvestmentHoldings
Commodity Option [Member] `us-gaap:CommodityOptionMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/InvestmentHoldings
Foreign Exchange Option [Member] `us-gaap:ForeignExchangeOptionMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/InvestmentHoldings
Exchange Traded Options [Member] `us-gaap:ExchangeTradedOptionsMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/InvestmentHoldings
Future [Member] `us-gaap:FutureMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/InvestmentHoldings
Foreign Exchange Forward [Member] `us-gaap:ForeignExchangeForwardMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/InvestmentHoldings
Swap [Member] `us-gaap:SwapMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/InvestmentHoldings
Total Return Swap [Member] `us-gaap:TotalReturnSwapMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/InvestmentHoldings
Variance Swap [Member] `us-gaap:VarianceSwapMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/InvestmentHoldings
Currency Swap [Member] `us-gaap:CurrencySwapMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/InvestmentHoldings
Interest Rate Swap [Member] `us-gaap:InterestRateSwapMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/InvestmentHoldings
Credit Default Swap [Member] `us-gaap:CreditDefaultSwapMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/InvestmentHoldings
Swaption [Member] `us-gaap:SwaptionMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/InvestmentHoldings
Interest Rate Swaption [Member] `us-gaap:InterestRateSwaptionMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/InvestmentHoldings
Credit Default Swaption [Member] `us-gaap:CreditDefaultSwaptionMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/InvestmentHoldings
Capital Support Agreement [Member] `us-gaap:CapitalSupportAgreementMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/InvestmentHoldings
Options Held [Member] `us-gaap:OptionMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentHoldings
Option on Securities [Member] `us-gaap:OptionOnSecuritiesMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentHoldings
Commodity Option [Member] `us-gaap:CommodityOptionMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentHoldings
Foreign Exchange Option [Member] `us-gaap:ForeignExchangeOptionMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentHoldings
Exchange Traded Options [Member] `us-gaap:ExchangeTradedOptionsMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentHoldings
Future [Member] `us-gaap:FutureMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentHoldings
Foreign Exchange Forward [Member] `us-gaap:ForeignExchangeForwardMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentHoldings
Swap [Member] `us-gaap:SwapMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentHoldings
Total Return Swap [Member] `us-gaap:TotalReturnSwapMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentHoldings
Variance Swap [Member] `us-gaap:VarianceSwapMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentHoldings
Currency Swap [Member] `us-gaap:CurrencySwapMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentHoldings
Interest Rate Swap [Member] `us-gaap:InterestRateSwapMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentHoldings
Credit Default Swap [Member] `us-gaap:CreditDefaultSwapMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentHoldings
Swaption [Member] `us-gaap:SwaptionMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentHoldings
Interest Rate Swaption [Member] `us-gaap:InterestRateSwaptionMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentHoldings
Credit Default Swaption [Member] `us-gaap:CreditDefaultSwaptionMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentHoldings
Capital Support Agreement [Member] `us-gaap:CapitalSupportAgreementMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentHoldings
Options Held [Member] `us-gaap:OptionMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings
Option on Securities [Member] `us-gaap:OptionOnSecuritiesMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings
Commodity Option [Member] `us-gaap:CommodityOptionMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings
Foreign Exchange Option [Member] `us-gaap:ForeignExchangeOptionMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings
Exchange Traded Options [Member] `us-gaap:ExchangeTradedOptionsMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings
Call Option [Member] `us-gaap:CallOptionMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings
Put Option [Member] `us-gaap:PutOptionMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings
Future [Member] `us-gaap:FutureMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings
Foreign Exchange Forward [Member] `us-gaap:ForeignExchangeForwardMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings
Swap [Member] `us-gaap:SwapMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings
Total Return Swap [Member] `us-gaap:TotalReturnSwapMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings
Variance Swap [Member] `us-gaap:VarianceSwapMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings
Currency Swap [Member] `us-gaap:CurrencySwapMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings
Interest Rate Swap [Member] `us-gaap:InterestRateSwapMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings
Credit Default Swap [Member] `us-gaap:CreditDefaultSwapMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings
Swaption [Member] `us-gaap:SwaptionMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings
Interest Rate Swaption [Member] `us-gaap:InterestRateSwaptionMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings
Credit Default Swaption [Member] `us-gaap:CreditDefaultSwaptionMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings
Capital Support Agreement [Member] `us-gaap:CapitalSupportAgreementMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings
Options Held [Member] `us-gaap:OptionMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings
Option on Securities [Member] `us-gaap:OptionOnSecuritiesMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings
Commodity Option [Member] `us-gaap:CommodityOptionMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings
Foreign Exchange Option [Member] `us-gaap:ForeignExchangeOptionMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings
Exchange Traded Options [Member] `us-gaap:ExchangeTradedOptionsMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings
Call Option [Member] `us-gaap:CallOptionMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings
Put Option [Member] `us-gaap:PutOptionMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings
Future [Member] `us-gaap:FutureMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings
Foreign Exchange Forward [Member] `us-gaap:ForeignExchangeForwardMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings
Swap [Member] `us-gaap:SwapMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings
Total Return Swap [Member] `us-gaap:TotalReturnSwapMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings
Variance Swap [Member] `us-gaap:VarianceSwapMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings
Currency Swap [Member] `us-gaap:CurrencySwapMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings
Interest Rate Swap [Member] `us-gaap:InterestRateSwapMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings
Credit Default Swap [Member] `us-gaap:CreditDefaultSwapMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings
Swaption [Member] `us-gaap:SwaptionMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings
Interest Rate Swaption [Member] `us-gaap:InterestRateSwaptionMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings
Credit Default Swaption [Member] `us-gaap:CreditDefaultSwaptionMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings
Capital Support Agreement [Member] `us-gaap:CapitalSupportAgreementMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings
Options Held [Member] `us-gaap:OptionMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldings
Option on Securities [Member] `us-gaap:OptionOnSecuritiesMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldings
Commodity Option [Member] `us-gaap:CommodityOptionMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldings
Foreign Exchange Option [Member] `us-gaap:ForeignExchangeOptionMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldings
Exchange Traded Options [Member] `us-gaap:ExchangeTradedOptionsMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldings
Future [Member] `us-gaap:FutureMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldings
Foreign Exchange Forward [Member] `us-gaap:ForeignExchangeForwardMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldings
Swap [Member] `us-gaap:SwapMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldings
Total Return Swap [Member] `us-gaap:TotalReturnSwapMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldings
Variance Swap [Member] `us-gaap:VarianceSwapMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldings
Currency Swap [Member] `us-gaap:CurrencySwapMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldings
Interest Rate Swap [Member] `us-gaap:InterestRateSwapMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldings
Credit Default Swap [Member] `us-gaap:CreditDefaultSwapMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldings
Swaption [Member] `us-gaap:SwaptionMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldings
Interest Rate Swaption [Member] `us-gaap:InterestRateSwaptionMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldings
Credit Default Swaption [Member] `us-gaap:CreditDefaultSwaptionMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldings
Capital Support Agreement [Member] `us-gaap:CapitalSupportAgreementMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldings
Options Held [Member] `us-gaap:OptionMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldingsInvestmentHoldingsOtherThanSecuritiesTable
Option on Securities [Member] `us-gaap:OptionOnSecuritiesMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldingsInvestmentHoldingsOtherThanSecuritiesTable
Commodity Option [Member] `us-gaap:CommodityOptionMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldingsInvestmentHoldingsOtherThanSecuritiesTable
Foreign Exchange Option [Member] `us-gaap:ForeignExchangeOptionMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldingsInvestmentHoldingsOtherThanSecuritiesTable
Exchange Traded Options [Member] `us-gaap:ExchangeTradedOptionsMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldingsInvestmentHoldingsOtherThanSecuritiesTable
Future [Member] `us-gaap:FutureMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldingsInvestmentHoldingsOtherThanSecuritiesTable
Foreign Exchange Forward [Member] `us-gaap:ForeignExchangeForwardMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldingsInvestmentHoldingsOtherThanSecuritiesTable
Swap [Member] `us-gaap:SwapMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldingsInvestmentHoldingsOtherThanSecuritiesTable
Total Return Swap [Member] `us-gaap:TotalReturnSwapMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldingsInvestmentHoldingsOtherThanSecuritiesTable
Variance Swap [Member] `us-gaap:VarianceSwapMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldingsInvestmentHoldingsOtherThanSecuritiesTable
Currency Swap [Member] `us-gaap:CurrencySwapMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldingsInvestmentHoldingsOtherThanSecuritiesTable
Interest Rate Swap [Member] `us-gaap:InterestRateSwapMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldingsInvestmentHoldingsOtherThanSecuritiesTable
Credit Default Swap [Member] `us-gaap:CreditDefaultSwapMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldingsInvestmentHoldingsOtherThanSecuritiesTable
Swaption [Member] `us-gaap:SwaptionMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldingsInvestmentHoldingsOtherThanSecuritiesTable
Interest Rate Swaption [Member] `us-gaap:InterestRateSwaptionMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldingsInvestmentHoldingsOtherThanSecuritiesTable
Credit Default Swaption [Member] `us-gaap:CreditDefaultSwaptionMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldingsInvestmentHoldingsOtherThanSecuritiesTable
Capital Support Agreement [Member] `us-gaap:CapitalSupportAgreementMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldingsInvestmentHoldingsOtherThanSecuritiesTable
Options Held [Member] `us-gaap:OptionMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNote
Option on Securities [Member] `us-gaap:OptionOnSecuritiesMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNote
Commodity Option [Member] `us-gaap:CommodityOptionMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNote
Foreign Exchange Option [Member] `us-gaap:ForeignExchangeOptionMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNote
Exchange Traded Options [Member] `us-gaap:ExchangeTradedOptionsMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNote
Future [Member] `us-gaap:FutureMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNote
Foreign Exchange Forward [Member] `us-gaap:ForeignExchangeForwardMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNote
Swap [Member] `us-gaap:SwapMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNote
Total Return Swap [Member] `us-gaap:TotalReturnSwapMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNote
Variance Swap [Member] `us-gaap:VarianceSwapMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNote
Currency Swap [Member] `us-gaap:CurrencySwapMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNote
Interest Rate Swap [Member] `us-gaap:InterestRateSwapMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNote
Credit Default Swap [Member] `us-gaap:CreditDefaultSwapMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNote
Swaption [Member] `us-gaap:SwaptionMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNote
Interest Rate Swaption [Member] `us-gaap:InterestRateSwaptionMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNote
Credit Default Swaption [Member] `us-gaap:CreditDefaultSwaptionMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNote
Capital Support Agreement [Member] `us-gaap:CapitalSupportAgreementMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNote
Options Held [Member] `us-gaap:OptionMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNoteFederalIncomeTaxNoteTable
Option on Securities [Member] `us-gaap:OptionOnSecuritiesMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNoteFederalIncomeTaxNoteTable
Commodity Option [Member] `us-gaap:CommodityOptionMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNoteFederalIncomeTaxNoteTable
Foreign Exchange Option [Member] `us-gaap:ForeignExchangeOptionMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNoteFederalIncomeTaxNoteTable
Exchange Traded Options [Member] `us-gaap:ExchangeTradedOptionsMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNoteFederalIncomeTaxNoteTable
Future [Member] `us-gaap:FutureMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNoteFederalIncomeTaxNoteTable
Foreign Exchange Forward [Member] `us-gaap:ForeignExchangeForwardMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNoteFederalIncomeTaxNoteTable
Swap [Member] `us-gaap:SwapMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNoteFederalIncomeTaxNoteTable
Total Return Swap [Member] `us-gaap:TotalReturnSwapMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNoteFederalIncomeTaxNoteTable
Variance Swap [Member] `us-gaap:VarianceSwapMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNoteFederalIncomeTaxNoteTable
Currency Swap [Member] `us-gaap:CurrencySwapMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNoteFederalIncomeTaxNoteTable
Interest Rate Swap [Member] `us-gaap:InterestRateSwapMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNoteFederalIncomeTaxNoteTable
Credit Default Swap [Member] `us-gaap:CreditDefaultSwapMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNoteFederalIncomeTaxNoteTable
Swaption [Member] `us-gaap:SwaptionMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNoteFederalIncomeTaxNoteTable
Interest Rate Swaption [Member] `us-gaap:InterestRateSwaptionMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNoteFederalIncomeTaxNoteTable
Credit Default Swaption [Member] `us-gaap:CreditDefaultSwaptionMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNoteFederalIncomeTaxNoteTable
Capital Support Agreement [Member] `us-gaap:CapitalSupportAgreementMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNoteFederalIncomeTaxNoteTable
Forward Contracts [Member] `us-gaap:ForwardContractsMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosures
Options Held [Member] `us-gaap:OptionMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosures
Swap [Member] `us-gaap:SwapMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosures
Warrant [Member] `us-gaap:WarrantMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosures
Future [Member] `us-gaap:FutureMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosures
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Warrant [Member] `us-gaap:WarrantMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/TransfersAndServicingFinancialInstrumentsOwnedAndPledgedAsCollateralTable
Future [Member] `us-gaap:FutureMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/TransfersAndServicingFinancialInstrumentsOwnedAndPledgedAsCollateralTable
Option on Securities [Member] `us-gaap:OptionOnSecuritiesMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/TransfersAndServicingFinancialInstrumentsOwnedAndPledgedAsCollateralTable
Energy Related Derivative [Member] `us-gaap:EnergyRelatedDerivativeMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/TransfersAndServicingFinancialInstrumentsOwnedAndPledgedAsCollateralTable
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Credit Default Swaption [Member] `us-gaap:CreditDefaultSwaptionMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/TransfersAndServicingFinancialInstrumentsOwnedAndPledgedAsCollateralTable
Capital Support Agreement [Member] `us-gaap:CapitalSupportAgreementMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/TransfersAndServicingFinancialInstrumentsOwnedAndPledgedAsCollateralTable
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Warrant [Member] `us-gaap:WarrantMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/TransfersAndServicingScheduleOfAssetsAndAssociatedLiabilitiesAccountedForAsSecuredBorrowingsTable
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Credit Default Swaption [Member] `us-gaap:CreditDefaultSwaptionMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/TransfersAndServicingScheduleOfAssetsAndAssociatedLiabilitiesAccountedForAsSecuredBorrowingsTable
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Future [Member] `us-gaap:FutureMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/TransfersAndServicingSecuritizationFinancialAssetForWhichTransferIsAccountedAsSaleTable
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Warrant [Member] `us-gaap:WarrantMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/TransfersAndServicingTransferOfCertainFinancialAssetsAccountedForAsSecuredBorrowingsTable
Future [Member] `us-gaap:FutureMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/TransfersAndServicingTransferOfCertainFinancialAssetsAccountedForAsSecuredBorrowingsTable
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Energy Related Derivative [Member] `us-gaap:EnergyRelatedDerivativeMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/TransfersAndServicingTransferOfCertainFinancialAssetsAccountedForAsSecuredBorrowingsTable
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Interest Rate Swaption [Member] `us-gaap:InterestRateSwaptionMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/TransfersAndServicingTransferOfCertainFinancialAssetsAccountedForAsSecuredBorrowingsTable
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Warrant [Member] `us-gaap:WarrantMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/TransfersAndServicingValuationAllowanceForImpairmentOfRecognizedServicingAssetsTable
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Foreign Exchange Forward [Member] `us-gaap:ForeignExchangeForwardMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesBrokersAndDealersSecurityOwnedAndSoldNotYetPurchasedAtFairValueTable
Total Return Swap [Member] `us-gaap:TotalReturnSwapMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesBrokersAndDealersSecurityOwnedAndSoldNotYetPurchasedAtFairValueTable
Variance Swap [Member] `us-gaap:VarianceSwapMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesBrokersAndDealersSecurityOwnedAndSoldNotYetPurchasedAtFairValueTable
Interest Rate Swaption [Member] `us-gaap:InterestRateSwaptionMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesBrokersAndDealersSecurityOwnedAndSoldNotYetPurchasedAtFairValueTable
Credit Default Swaption [Member] `us-gaap:CreditDefaultSwaptionMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesBrokersAndDealersSecurityOwnedAndSoldNotYetPurchasedAtFairValueTable
Capital Support Agreement [Member] `us-gaap:CapitalSupportAgreementMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesBrokersAndDealersSecurityOwnedAndSoldNotYetPurchasedAtFairValueTable
Options Held [Member] `us-gaap:OptionMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompany
Option on Securities [Member] `us-gaap:OptionOnSecuritiesMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompany
Commodity Option [Member] `us-gaap:CommodityOptionMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompany
Foreign Exchange Option [Member] `us-gaap:ForeignExchangeOptionMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompany
Exchange Traded Options [Member] `us-gaap:ExchangeTradedOptionsMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompany
Future [Member] `us-gaap:FutureMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompany
Foreign Exchange Forward [Member] `us-gaap:ForeignExchangeForwardMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompany
Swap [Member] `us-gaap:SwapMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompany
Total Return Swap [Member] `us-gaap:TotalReturnSwapMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompany
Variance Swap [Member] `us-gaap:VarianceSwapMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompany
Currency Swap [Member] `us-gaap:CurrencySwapMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompany
Interest Rate Swap [Member] `us-gaap:InterestRateSwapMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompany
Credit Default Swap [Member] `us-gaap:CreditDefaultSwapMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompany
Swaption [Member] `us-gaap:SwaptionMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompany
Interest Rate Swaption [Member] `us-gaap:InterestRateSwaptionMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompany
Credit Default Swaption [Member] `us-gaap:CreditDefaultSwaptionMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompany
Capital Support Agreement [Member] `us-gaap:CapitalSupportAgreementMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompany
Options Held [Member] `us-gaap:OptionMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompanyInvestmentHoldingsTable
Option on Securities [Member] `us-gaap:OptionOnSecuritiesMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompanyInvestmentHoldingsTable
Commodity Option [Member] `us-gaap:CommodityOptionMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompanyInvestmentHoldingsTable
Foreign Exchange Option [Member] `us-gaap:ForeignExchangeOptionMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompanyInvestmentHoldingsTable
Exchange Traded Options [Member] `us-gaap:ExchangeTradedOptionsMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompanyInvestmentHoldingsTable
Future [Member] `us-gaap:FutureMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompanyInvestmentHoldingsTable
Foreign Exchange Forward [Member] `us-gaap:ForeignExchangeForwardMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompanyInvestmentHoldingsTable
Swap [Member] `us-gaap:SwapMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompanyInvestmentHoldingsTable
Total Return Swap [Member] `us-gaap:TotalReturnSwapMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompanyInvestmentHoldingsTable
Variance Swap [Member] `us-gaap:VarianceSwapMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompanyInvestmentHoldingsTable
Currency Swap [Member] `us-gaap:CurrencySwapMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompanyInvestmentHoldingsTable
Interest Rate Swap [Member] `us-gaap:InterestRateSwapMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompanyInvestmentHoldingsTable
Credit Default Swap [Member] `us-gaap:CreditDefaultSwapMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompanyInvestmentHoldingsTable
Swaption [Member] `us-gaap:SwaptionMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompanyInvestmentHoldingsTable
Interest Rate Swaption [Member] `us-gaap:InterestRateSwaptionMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompanyInvestmentHoldingsTable
Credit Default Swaption [Member] `us-gaap:CreditDefaultSwaptionMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompanyInvestmentHoldingsTable
Capital Support Agreement [Member] `us-gaap:CapitalSupportAgreementMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompanyInvestmentHoldingsTable
Forward Contracts [Member] `us-gaap:ForwardContractsMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceA
Options Held [Member] `us-gaap:OptionMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceA
Swap [Member] `us-gaap:SwapMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceA
Warrant [Member] `us-gaap:WarrantMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceA
Future [Member] `us-gaap:FutureMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceA
Option on Securities [Member] `us-gaap:OptionOnSecuritiesMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceA
Energy Related Derivative [Member] `us-gaap:EnergyRelatedDerivativeMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceA
Exchange Traded Options [Member] `us-gaap:ExchangeTradedOptionsMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceA
Foreign Exchange Forward [Member] `us-gaap:ForeignExchangeForwardMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceA
Total Return Swap [Member] `us-gaap:TotalReturnSwapMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceA
Variance Swap [Member] `us-gaap:VarianceSwapMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceA
Interest Rate Swaption [Member] `us-gaap:InterestRateSwaptionMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceA
Credit Default Swaption [Member] `us-gaap:CreditDefaultSwaptionMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceA
Capital Support Agreement [Member] `us-gaap:CapitalSupportAgreementMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceA
Forward Contracts [Member] `us-gaap:ForwardContractsMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceAFairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable
Options Held [Member] `us-gaap:OptionMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceAFairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable
Swap [Member] `us-gaap:SwapMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceAFairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable
Warrant [Member] `us-gaap:WarrantMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceAFairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable
Future [Member] `us-gaap:FutureMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceAFairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable
Option on Securities [Member] `us-gaap:OptionOnSecuritiesMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceAFairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable
Energy Related Derivative [Member] `us-gaap:EnergyRelatedDerivativeMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceAFairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable
Exchange Traded Options [Member] `us-gaap:ExchangeTradedOptionsMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceAFairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable
Foreign Exchange Forward [Member] `us-gaap:ForeignExchangeForwardMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceAFairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable
Total Return Swap [Member] `us-gaap:TotalReturnSwapMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceAFairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable
Variance Swap [Member] `us-gaap:VarianceSwapMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceAFairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable
Interest Rate Swaption [Member] `us-gaap:InterestRateSwaptionMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceAFairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable
Credit Default Swaption [Member] `us-gaap:CreditDefaultSwaptionMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceAFairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable
Capital Support Agreement [Member] `us-gaap:CapitalSupportAgreementMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceAFairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable

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Name	Relation Type	Role
Financial Instruments [Domain] `us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain`	domain-member	http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists
Other than Securities Investment [Member] `us-gaap:OtherThanSecuritiesInvestmentMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/InvestmentHoldings
Other than Securities Investment [Member] `us-gaap:OtherThanSecuritiesInvestmentMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentHoldings
Other than Securities Investment [Member] `us-gaap:OtherThanSecuritiesInvestmentMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings
Other than Securities Investment [Member] `us-gaap:OtherThanSecuritiesInvestmentMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings
Other than Securities Investment [Member] `us-gaap:OtherThanSecuritiesInvestmentMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldings
Other than Securities Investment [Member] `us-gaap:OtherThanSecuritiesInvestmentMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldingsInvestmentHoldingsOtherThanSecuritiesTable
Other than Securities Investment [Member] `us-gaap:OtherThanSecuritiesInvestmentMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNote
Other than Securities Investment [Member] `us-gaap:OtherThanSecuritiesInvestmentMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNoteFederalIncomeTaxNoteTable
Financial Instruments [Domain] `us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosures
Financial Instruments [Domain] `us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosuresFairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable
Financial Instruments [Domain] `us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosuresFairValueDisclosureOfAssetAndLiabilityNotMeasuredAtFairValueTable
Financial Instruments [Domain] `us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosuresFairValueOptionQuantitativeDisclosuresTable
Financial Instruments [Domain] `us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosuresScheduleOfFairValueOffBalanceSheetRisksTable
Financial Instruments [Domain] `us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain`	parent-child	http://fasb.org/us-gaap/role/disclosure/TransfersAndServicing
Financial Instruments [Domain] `us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain`	domain-member	http://fasb.org/us-gaap/role/disclosure/TransfersAndServicingAssumptionForFairValueAsOfBalanceSheetDateOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesTable
Financial Instruments [Domain] `us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain`	domain-member	http://fasb.org/us-gaap/role/disclosure/TransfersAndServicingAssumptionForFairValueOnSecuritizationDateOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesTable
Financial Instruments [Domain] `us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain`	domain-member	http://fasb.org/us-gaap/role/disclosure/TransfersAndServicingFeesEarnedInExchangeForServicingFinancialAssetsTable
Financial Instruments [Domain] `us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain`	domain-member	http://fasb.org/us-gaap/role/disclosure/TransfersAndServicingFinancialInstrumentsOwnedAndPledgedAsCollateralTable
Financial Instruments [Domain] `us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain`	domain-member	http://fasb.org/us-gaap/role/disclosure/TransfersAndServicingScheduleOfAssetsAndAssociatedLiabilitiesAccountedForAsSecuredBorrowingsTable
Financial Instruments [Domain] `us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain`	domain-member	http://fasb.org/us-gaap/role/disclosure/TransfersAndServicingScheduleOfDerecognizedAssetsSecuritizedOrAssetbackedFinancingArrangementAssetsAndAnyOtherFinancialAssetsManagedTogetherTable
Financial Instruments [Domain] `us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain`	domain-member	http://fasb.org/us-gaap/role/disclosure/TransfersAndServicingSecuritizationFinancialAssetForWhichTransferIsAccountedAsSaleTable
Financial Instruments [Domain] `us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain`	domain-member	http://fasb.org/us-gaap/role/disclosure/TransfersAndServicingSecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherTable
Financial Instruments [Domain] `us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain`	domain-member	http://fasb.org/us-gaap/role/disclosure/TransfersAndServicingSensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesTable
Financial Instruments [Domain] `us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain`	domain-member	http://fasb.org/us-gaap/role/disclosure/TransfersAndServicingServicingAssetsAtAmortizedValueTable
Financial Instruments [Domain] `us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain`	domain-member	http://fasb.org/us-gaap/role/disclosure/TransfersAndServicingServicingAssetsAtFairValueTable
Financial Instruments [Domain] `us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain`	domain-member	http://fasb.org/us-gaap/role/disclosure/TransfersAndServicingServicingLiabilitiesAtFairValueTable
Financial Instruments [Domain] `us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain`	domain-member	http://fasb.org/us-gaap/role/disclosure/TransfersAndServicingServicingLiabilityAtAmortizedValueTable
Financial Instruments [Domain] `us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain`	domain-member	http://fasb.org/us-gaap/role/disclosure/TransfersAndServicingTransferOfCertainFinancialAssetsAccountedForAsSecuredBorrowingsTable
Financial Instruments [Domain] `us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain`	domain-member	http://fasb.org/us-gaap/role/disclosure/TransfersAndServicingValuationAllowanceForImpairmentOfRecognizedServicingAssetsTable
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
Other than Securities Investment [Member] `us-gaap:OtherThanSecuritiesInvestmentMember`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompany
Other than Securities Investment [Member] `us-gaap:OtherThanSecuritiesInvestmentMember`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompanyInvestmentHoldingsTable
Financial Instruments [Domain] `us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain`	parent-child	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceA
Financial Instruments [Domain] `us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain`	domain-member	http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceAFairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable