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USD ($)
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USD ($)
USD ($) / shares
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USD ($)
USD ($) / shares
$Duration_1_1_2009_To_12_31_2009http://www.sec.gov/CIK0000093751duration2009-01-01T00:00:002009-12-31T00:00:00Unit13Standardhttp://www.xbrl.org/2003/instancepurexbrli0Unit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170Unit14Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0Unit1Standardhttp://www.xbrl.org/2003/instancesharesxbrli0USDUSD$5falsefalseUSD<
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USD ($)
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EUR (€)
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USD ($)
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/IsNumeric>truefalse00falsefalsefalsefalsefalseOtherus-types:percentItemTypepureUnfunded Commitments To Extend Credit, Short TermNo authoritative reference available.falsefalse6false0stt_Collate
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hasSegments>falsefalse2falsetruefalse00falsefalsefalsefalsefalse3truetruefalse11falsefalsefalsefalsefalse4falsetruefalse00falsefalsefalsefalsefalse5falsetruefalse00falsefalsefalsefal
sefalse6falsetruefalse00falsefalsefalsefalsefalse7falsetruefalse00falsefalsefalsefalsefalseOtherus-types:percentItemTypepureCollateral for the amount of the repurchase agreement.No authoritative reference available.falsefalse8false0stt_NetAssetsOfRegisteredSubPrimeFundssttfalsedebitinstantNet assets of registered sub-prime fundsfalsefalsefalsefalse
falsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7truefalsefalse300000000300000000falsetruefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetary
Net assets of registered sub-prime fundsNo authoritative reference available.falsefalse9false0stt_AverageDeclineInNetAssetValuePerSharesttfalsenainstantAverage decline in net asset value per share.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsetruefalse00falsefalsefalsefalsefalse2falsetruefalse00falsefalsefalsefalsefalse3falsetruefalse00falsefalsefalsefalsefalse4falsetruefalse00falsefalsefalsefalsefalse5falsetruefalse00falsefalsefalsefalsefalse6falsetruefalse00falsefalsefalsefalsefalse7truetruefalse0.07230.0723falsefalsefalsefalsefalseOtherus-types:percentItemTypepureAverage decline in net asset value per share.No authoritative reference available.falsefalse10false0stt_ActualDamagesAssertedByAttorneyGeneralsttfalsecreditdurationActual Damages Asserted By Attorney Generalfalsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00
RoundedNumericAmount>falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5truefalsefalse560000005600000
0falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryActual Damages Asserted By Attorney GeneralNo authoritative reference available.falsefalse11false0us-gaap_LitigationReserveus-gaaptruecreditinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalsef
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warded, to be received by, or to be remitted to the entity in settlement of litigation occurring during the period.No authoritative reference available.falsefalse14false0stt_NumberOfYearsOfRelationshipsWithStateOfWashingtonsttfalsenadurationNumber of Years of Relationships with State of Washingtonfalsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00tentenfalsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNumber of Years of Relationships with State of WashingtonNo authoritative reference available.falsefalse15false0stt_NetAssetsOfFundHeldByBankruptCounterpartysttfalsedebitinstantNet Assets of Fund Held By Bankrupt Counterpartyfalsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse2truefalsefalse312000000312000000falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryNet Assets of Fund Held By Bankrupt CounterpartyNo authoritative reference available.falsefalse16false0stt_NoOfCustomerNotEnteredIntoSettlementAgreementssttfalsenadurationNo of customer not entered into settlement agreementsfalsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalsefalsefalse2truefalsefalse55falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:integerItemTypeintegerNo of customer not entered into settlement agreementsNo authoritative reference available.falsefalse17false0stt_SettlementsWithDutchCustomerssttfalsedebitinstantSettlements with Dutch cust
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Cell>Monetaryxbrli:monetaryItemTypemonetarySettlements with Dutch customers.No authoritative reference available.falsefalse18false0stt_InvestmentsInFundsByCustomersNotSettledsttfalsedebitinstantCost of the investment.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse2truefalsefalse170000000170000000falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryCost of the investment.No authoritative reference availabl
e.falsefalse19false0invest_DerivativeNotionalAmountinvestfalsenainstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3truefalse
false4676000000046760000000falsefalsefalsefalsefalse4truefalsefalse5295000000052950000000falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7fa
lsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryTotal monetary amount specified by the derivative(s). Expressed as an absolute value.No authoritative reference available.falsefalse20false0stt_LossContingencyDamagesSoughtByPlaintiffssttfalsedebitdurationLoss Contingency Damages Sought By Plaintiffsfalsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse120000000120000000falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryLoss Contingency Damages Sought By PlaintiffsNo authoritative reference available.falsefalse21false0stt_DifferenceBetweenAmortizedCostAndMarketValueOfInKindDistributionsttfalsedebitdurationDifference Between Amortized Cost And Market Value Of In Kind Distributionfalsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse4900000049000000falsefalse
falsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryDifference Between Amortized Cost And Market Value Of In Kind DistributionNo authoritative reference available.falsefalse22false0us-gaap_CashCollateralForBorrowedSecuritiesus-gaaptruedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3truefalsefalse330000000330000000falsetruefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalseMonet
aryxbrli:monetaryItemTypemonetaryCarrying amount as of the balance sheet date of cash collateral held for borrowed securities, for which the cash is restricted as to withdrawal or usage.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 2
-Article 7
falsefalse718Commitments and Contingencies (Narrative) (Details)NoRoundingUnKnownUnKnownUnKnowntruetrue