v3.26.1
Shareholder Report, Holdings (Details)
Jun. 30, 2026
C000234159 | Discovery Global Holdings, Inc.FR_25472YAB7  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000234159 | Hologic, Inc.FR_43644ABL2  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000234159 | State Street Blackstone Senior Loan ETFFR_78467V608  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000234159 | Michaels Cos., Inc.FR_59408UAE7  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000234159 | Neptune Bidco U.S., Inc.FR_64069JAK8  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000234159 | TransDigm, Inc.FR_89364MCF9  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000234159 | Finastra USA, Inc.FR_31772YAD8  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000234159 | Cotiviti Corp.FR_22164MAB3  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000234159 | Electronic Arts, Inc.FR_67123SAB5  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000234159 | Apex Group Treasury LLCFR_G0472CAK1  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000234159 | AssetSenior Floating Rate Loans  
Holdings [Line Items]  
Percent of Net Asset Value 45.30%
C000234159 | AssetCorporate Bonds & Notes  
Holdings [Line Items]  
Percent of Net Asset Value 41.80%
C000234159 | AssetAsset-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 9.50%
C000234159 | AssetShort-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000234159 | AssetMutual Funds and Exchange Traded Products  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000101921 | Discovery Global Holdings, Inc.FR_25472YAB7  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000101921 | Hologic, Inc.FR_43644ABL2  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000101921 | Neptune Bidco U.S., Inc.FR_64069JAK8  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000101921 | TransDigm, Inc.FR_89364MCF9  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000101921 | Finastra USA, Inc.FR_31772YAD8  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000101921 | Gainwell Acquisition Corp.FR_59909TAC8  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000101921 | Barclays Capital, Inc.FR_068992007_3.570000_2027-06-15  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000101921 | Jane Street Group LLCFR_47077DAM2  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000101921 | UKG, Inc.FR_89841EAB1  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000101921 | Dayforce, Inc.FR_23923YAB7  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000101921 | AssetSenior Floating Rate Loans  
Holdings [Line Items]  
Percent of Net Asset Value 84.80%
C000101921 | AssetCorporate Bonds & Notes  
Holdings [Line Items]  
Percent of Net Asset Value 8.40%
C000101921 | AssetAsset-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000101921 | AssetShort-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000101921 | AssetRepurchase Agreements  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000101921 | AssetCommon Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000164161 | Oversea-Chinese Banking Corp. Ltd.FR_ACI2684J2  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000164161 | MISC Capital Two Labuan Ltd.FR_Y6080GAB3  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000164161 | Chile Electricity Lux MPC II SARLFR_16882LAB8  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000164161 | Banco Internacional del Peru SAA InterbankFR_P13435AG0  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000164161 | Minsur SAFR_P6811TAB1  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000164161 | BPRL International Singapore Pte. Ltd.FR_ACI0RWQP2  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000164161 | Chile Electricity Lux MPC SARLFR_L15669AA9  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000164161 | MV24 Capital BVFR_N53766AA4  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000164161 | Banco Santander ChileFR_05973N2A8  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000164161 | Banco de Credito del Peru SAFR_05971V2D6  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000164161 | Peru  
Holdings [Line Items]  
Percent of Net Asset Value 16.20%
C000164161 | Mexico  
Holdings [Line Items]  
Percent of Net Asset Value 14.80%
C000164161 | Chile  
Holdings [Line Items]  
Percent of Net Asset Value 14.80%
C000164161 | India  
Holdings [Line Items]  
Percent of Net Asset Value 12.00%
C000164161 | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 11.50%
C000164161 | Indonesia  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000164161 | Colombia  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000164161 | Singapore  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000164161 | Paraguay  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000164161 | Morocco  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000164160 | U.S. Treasury NotesFR_91282CPE5  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
C000164160 | U.S. Treasury NotesFR_91282CBJ9  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000164160 | U.S. Treasury NotesFR_912828ZV5  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000164160 | U.S. Treasury NotesFR_91282CAV3  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000164160 | U.S. Treasury Inflation-Indexed NotesFR_91282CEJ6  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000164160 | U.S. Treasury Inflation-Indexed NotesFR_91282CFR7  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000164160 | U.S. Treasury Inflation-Indexed BondsFR_912810PS1  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000164160 | PRKCM TrustFR_69383YAE7  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000164160 | Government National Mortgage Association REMICSFR_38385TVG3  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000164160 | Velocity Commercial Capital Loan TrustFR_92262JAA6  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000164160 | AssetSenior Floating Rate Loans  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000164160 | AssetCorporate Bonds & Notes  
Holdings [Line Items]  
Percent of Net Asset Value 21.20%
C000164160 | AssetAsset-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 16.60%
C000164160 | AssetU.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 23.00%
C000164160 | AssetMortgage-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 12.80%
C000164160 | AssetCommercial Mortgage Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
C000164160 | AssetU.S. Government Agency Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
C000164160 | AssetShort-Term Investment  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000144728 | U.S. Treasury NotesFR_91282CBJ9  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000144728 | U.S. Treasury NotesFR_91282CAV3  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000144728 | U.S. Treasury Inflation-Indexed NotesFR_91282CFR7  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000144728 | U.S. Treasury BillsFR_912797UF2  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
C000144728 | U.S. Treasury NotesFR_91282CCZ2  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000144728 | U.S. Treasury NotesFR_91282CAE1  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000144728 | Federal Home Loan Mortgage Corp.FR_3142GSE20  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000144728 | Federal National Mortgage AssociationFR_3140QVEV2  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000144728 | Federal National Mortgage AssociationFR_3140W0TT2  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000144728 | Federal National Mortgage AssociationFR_3140XQQD2  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000144728 | AssetSenior Floating Rate Loans  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000144728 | AssetCorporate Bonds & Notes  
Holdings [Line Items]  
Percent of Net Asset Value 12.60%
C000144728 | AssetAsset-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 10.60%
C000144728 | AssetU.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 18.50%
C000144728 | AssetMortgage-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
C000144728 | AssetCommercial Mortgage Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000144728 | AssetU.S. Government Agency Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 37.80%
C000144728 | AssetShort-Term Investment  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000144728 | AssetForeign Government Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000229692 | State Street Blackstone Senior Loan ETFFR_78467V608  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000229692 | BCC Middle Market CLO LLCFR_05555YAA1  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000229692 | Nuveen Floating Rate Income FundFR_67072T108  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000229692 | Invesco Senior Income TrustFR_46131H107  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000229692 | Nissan Motor Co. Ltd.FR_654744AD3  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000229692 | Ardonagh Midco 3 PLCFR_Q0500HAB5  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000229692 | UniCredit SpAFR_904678AQ2  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000229692 | PBF Holding Co. LLC/PBF Finance Corp.FR_69318FAM0  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000229692 | Columbus McKinnon Corp.FR_19933MAS2  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000229692 | SM Energy Co.FR_17888HAD5  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000229692 | AssetSenior Floating Rate Loans  
Holdings [Line Items]  
Percent of Net Asset Value 16.90%
C000229692 | AssetCorporate Bonds & Notes  
Holdings [Line Items]  
Percent of Net Asset Value 63.20%
C000229692 | AssetAsset-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
C000229692 | AssetMutual Funds and Exchange Traded Products  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
C000229692 | AssetCommercial Mortgage Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000229692 | AssetShort-Term Investment  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000229692 | AssetConvertible Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000229692 | AssetPreferred Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000229692 | AssetConvertible Preferred Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000225200 | Arizona Board of Regents Revenue, AZFR_040664NJ9  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000225200 | Utah Telecommunication Open Infrastructure Agency Revenue, UTFR_91756SAR4  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000225200 | New Mexico Hospital Equipment Loan Council Revenue, NMFR_647370HV0  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000225200 | New York City Industrial Development Agency Revenue, NYFR_64971PKD6  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000225200 | San Francisco Bay Area Rapid Transit District, General Obligation, CAFR_797661G82  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000225200 | Southeast Energy Authority A Cooperative District Revenue, ALFR_84136HAU7  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000225200 | New York Convention Center Development Corp. Revenue, NYFR_649451KJ9  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000225200 | Triborough Bridge & Tunnel Authority Revenue, NYFR_896032AK5  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000225200 | Main Street Natural Gas, Inc. Revenue, GAFR_56035DGB2  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000225200 | California Community Choice Financing Authority Revenue, CAFR_13013JEN2  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000225200 | California  
Holdings [Line Items]  
Percent of Net Asset Value 11.70%
C000225200 | Texas  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
C000225200 | New York  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
C000225200 | Florida  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000225200 | Georgia  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000225200 | Oklahoma  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000225200 | Alabama  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000225200 | Arizona  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000225200 | Utah  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000225200 | Illinois  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000173571 | State Street SPDR Portfolio Corporate Bond ETFFR_78464A144  
Holdings [Line Items]  
Percent of Net Asset Value 25.00%
C000173571 | State Street SPDR Portfolio Intermediate Term Treasury ETFFR_78464A672  
Holdings [Line Items]  
Percent of Net Asset Value 22.70%
C000173571 | State Street SPDR Portfolio Short Term Treasury ETFFR_78468R101  
Holdings [Line Items]  
Percent of Net Asset Value 15.30%
C000173571 | State Street SPDR Portfolio Mortgage-Backed Bond ETFFR_78464A383  
Holdings [Line Items]  
Percent of Net Asset Value 14.00%
C000173571 | State Street SPDR Portfolio Long Term Treasury ETFFR_78464A664  
Holdings [Line Items]  
Percent of Net Asset Value 13.30%
C000173571 | State Street SPDR Portfolio High Yield Bond ETFFR_78468R606  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000173571 | State Street SPDR Bloomberg Emerging Markets USD Bond ETFFR_78468R515  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000173571 | State Street SPDR S&P Leveraged Loan ETFFR_78468R424  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000173571 | IndustryDomestic Fixed Income  
Holdings [Line Items]  
Percent of Net Asset Value 99.40%
C000173571 | IndustryShort-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 9.40%
C000101919 | State Street SPDR Portfolio Long Term Treasury ETFFR_78464A664  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000101919 | State Street SPDR S&P 500 ETF TrustFR_78462F103  
Holdings [Line Items]  
Percent of Net Asset Value 29.10%
C000101919 | State Street SPDR Portfolio Developed World ex-U.S. ETFFR_78463X889  
Holdings [Line Items]  
Percent of Net Asset Value 11.00%
C000101919 | State Street SPDR Portfolio Emerging Markets ETFFR_78463X509  
Holdings [Line Items]  
Percent of Net Asset Value 10.00%
C000101919 | State Street SPDR Portfolio Aggregate Bond ETFFR_78464A649  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
C000101919 | State Street SPDR Bloomberg High Yield Bond ETFFR_78468R622  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000101919 | State Street SPDR Bloomberg Enhanced Roll Yield Commodity Strategy No. K-1 ETFFR_78468R440  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000101919 | State Street SPDR Bloomberg 1-10 Year TIPS ETFFR_78468R861  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000101919 | State Street SPDR Portfolio S&P 600 Small Cap ETFFR_78468R853  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000101919 | State Street SPDR Portfolio Long Term Corporate Bond ETFFR_78464A367  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000101919 | IndustryDomestic Fixed Income  
Holdings [Line Items]  
Percent of Net Asset Value 31.70%
C000101919 | IndustryShort-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000101919 | IndustryDomestic Equity  
Holdings [Line Items]  
Percent of Net Asset Value 34.40%
C000101919 | IndustryInternational Equity  
Holdings [Line Items]  
Percent of Net Asset Value 23.90%
C000101919 | IndustryInternational Fixed Income  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000101919 | IndustryInflation Linked  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000101919 | IndustryReal Estate  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000101917 | State Street Blackstone Senior Loan ETFFR_78467V608  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
C000101917 | State Street SPDR Portfolio Long Term Treasury ETFFR_78464A664  
Holdings [Line Items]  
Percent of Net Asset Value 12.10%
C000101917 | State Street SPDR Bloomberg Emerging Markets USD Bond ETFFR_78468R515  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
C000101917 | State Street SPDR Bloomberg High Yield Bond ETFFR_78468R622  
Holdings [Line Items]  
Percent of Net Asset Value 13.10%
C000101917 | State Street SPDR S&P Global Infrastructure ETFFR_78463X855  
Holdings [Line Items]  
Percent of Net Asset Value 11.00%
C000101917 | State Street U.S. Equity Premium Income ETFFR_78470P838  
Holdings [Line Items]  
Percent of Net Asset Value 10.00%
C000101917 | State Street SPDR Portfolio S&P 500 High Dividend ETFFR_78468R788  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
C000101917 | Schwab U.S. Dividend Equity ETFFR_808524797  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
C000101917 | State Street SPDR ICE Preferred Securities ETFFR_78464A292  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000101917 | State Street SPDR Bloomberg Emerging Markets Local Bond ETFFR_78464A391  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000101917 | IndustryDomestic Fixed Income  
Holdings [Line Items]  
Percent of Net Asset Value 44.10%
C000101917 | IndustryShort-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 15.60%
C000101917 | IndustryDomestic Equity  
Holdings [Line Items]  
Percent of Net Asset Value 33.90%
C000101917 | IndustryInternational Equity  
Holdings [Line Items]  
Percent of Net Asset Value 13.50%
C000101917 | IndustryInternational Fixed Income  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000101917 | IndustryReal Estate  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000101916 | State Street SPDR Bloomberg Enhanced Roll Yield Commodity Strategy No. K-1 ETFFR_78468R440  
Holdings [Line Items]  
Percent of Net Asset Value 24.10%
C000101916 | State Street SPDR Bloomberg 1-10 Year TIPS ETFFR_78468R861  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
C000101916 | State Street SPDR S&P Global Infrastructure ETFFR_78463X855  
Holdings [Line Items]  
Percent of Net Asset Value 25.90%
C000101916 | State Street SPDR S&P Global Natural Resources ETFFR_78463X541  
Holdings [Line Items]  
Percent of Net Asset Value 27.20%
C000101916 | State Street Energy Select Sector SPDR ETFFR_81369Y506  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000101916 | VanEck Agribusiness ETFFR_92189F700  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000101916 | State Street SPDR FTSE International Government Inflation-Protected Bond ETFFR_78464A490  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000101916 | State Street SPDR S&P Metals & Mining ETFFR_78464A755  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000101916 | State Street SPDR Dow Jones REIT ETFFR_78464A607  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000101916 | State Street SPDR Dow Jones International Real Estate ETFFR_78463X863  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000101916 | IndustryDomestic Fixed Income  
Holdings [Line Items]  
Percent of Net Asset Value 24.10%
C000101916 | IndustryShort-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000101916 | IndustryDomestic Equity  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000101916 | IndustryInternational Equity  
Holdings [Line Items]  
Percent of Net Asset Value 29.00%
C000101916 | IndustryInternational Fixed Income  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000101916 | IndustryInflation Linked  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
C000101916 | IndustryReal Estate  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000101916 | IndustryNatural Resources  
Holdings [Line Items]  
Percent of Net Asset Value 30.30%
C000119098 | U.S. Treasury NotesFR_91282CMP3  
Holdings [Line Items]  
Percent of Net Asset Value 12.20%
C000119098 | U.S. Treasury BillsFR_912797UN5  
Holdings [Line Items]  
Percent of Net Asset Value 9.40%
C000119098 | U.S. Treasury BillsFR_912797UQ8  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000119098 | U.S. Treasury NotesFR_91282CNV9  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000119098 | U.S. Treasury NotesFR_91282CHK0  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000119098 | Athene Global FundingFR_04685A2K6  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000119098 | Toronto-Dominion BankFR_89115A3A8  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000119098 | Athene Global FundingFR_04685A4N8  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000119098 | Truist BankFR_07330MAA5  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000119098 | Microsoft Corp.FR_594918CN2  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000119098 | AssetCorporate Bonds & Notes  
Holdings [Line Items]  
Percent of Net Asset Value 55.90%
C000119098 | AssetAsset-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000119098 | AssetShort-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
C000119098 | AssetU.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 33.00%
C000119098 | AssetCommercial Mortgage Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000170017 | State Street Energy Select Sector SPDR ETFFR_81369Y506  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
C000170017 | State Street Technology Select Sector SPDR ETFFR_81369Y803  
Holdings [Line Items]  
Percent of Net Asset Value 27.80%
C000170017 | State Street Industrial Select Sector SPDR ETFFR_81369Y704  
Holdings [Line Items]  
Percent of Net Asset Value 19.50%
C000170017 | Alphabet, Inc.FR_02079K305  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%
C000170017 | Alphabet, Inc.FR_02079K107  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000170017 | NVIDIA Corp.FR_67066G104  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000170017 | State Street Consumer Staples Select Sector SPDR ETFFR_81369Y308  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000170017 | Apple, Inc.FR_037833100  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000170017 | State Street Consumer Discretionary Select Sector SPDR ETFFR_81369Y407  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000170017 | Meta Platforms, Inc.FR_30303M102  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000170017 | AssetShort-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 28.10%
C000170017 | AssetMutual Funds and Exchange Traded Products  
Holdings [Line Items]  
Percent of Net Asset Value 65.40%
C000170017 | AssetCommon Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 34.40%