v3.26.1
Shareholder Report, Holdings (Details)
May 31, 2026
C000005534 | Top10HoldingBlackstone Partners Offshore FundBNY-TC7OZ3MW6  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000005534 | Top10HoldingT. Rowe Price International Bond Fund (USD Hedged) - I ClassBNY-77956H195  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
C000005534 | Top10HoldingT. Rowe Price Emerging Markets Bond Fund - I ClassBNY-77956H534  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000005534 | Top10HoldingT. Rowe Price Dynamic Global Bond Fund - I ClassBNY-77956H468  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000005534 | Top10HoldingT. Rowe Price Institutional High Yield Fund - Institutional ClassBNY-77958B204  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000005534 | Top10HoldingU.S. Treasury NotesBNY-91282CLD1  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000005534 | Top10HoldingT. Rowe Price Institutional Emerging Markets Equity FundBNY-74144Q203  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000005534 | Top10HoldingU.S. Treasury BondsBNY-912810TZ1  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000005534 | Top10HoldingT. Rowe Price Real Assets Fund - I ClassBNY-87279W209  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000005534 | Top10HoldingFederal National Mortgage Assn.BNY-31418DVA7  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000005534 | Other0BNY-35564NCW1  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000005534 | 0BNY-67066G104  
Holdings [Line Items]  
Percent of Net Asset Value 34.40%
C000005534 | 0BNY-77956H195  
Holdings [Line Items]  
Percent of Net Asset Value 27.40%
C000005534 | 0BNY-TC7OZ3MW6  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000005534 | 0BNY-912810TZ1  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
C000005534 | 0BNY-74144Q203  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000005534 | 0BNY-01F020661  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000005534 | 0BNY-06051GJF7  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000005534 | 0BNY-92842NAA6  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000005534 | 0BNY-35564NCW1  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000169940 | Top10HoldingBlackstone Partners Offshore FundBNY-TC7OZ3MW6  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000169940 | Top10HoldingT. Rowe Price International Bond Fund (USD Hedged) - I ClassBNY-77956H195  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
C000169940 | Top10HoldingT. Rowe Price Emerging Markets Bond Fund - I ClassBNY-77956H534  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000169940 | Top10HoldingT. Rowe Price Dynamic Global Bond Fund - I ClassBNY-77956H468  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000169940 | Top10HoldingT. Rowe Price Institutional High Yield Fund - Institutional ClassBNY-77958B204  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000169940 | Top10HoldingU.S. Treasury NotesBNY-91282CLD1  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000169940 | Top10HoldingT. Rowe Price Institutional Emerging Markets Equity FundBNY-74144Q203  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000169940 | Top10HoldingU.S. Treasury BondsBNY-912810TZ1  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000169940 | Top10HoldingT. Rowe Price Real Assets Fund - I ClassBNY-87279W209  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000169940 | Top10HoldingFederal National Mortgage Assn.BNY-31418DVA7  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000169940 | Other0BNY-35564NCW1  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000169940 | 0BNY-67066G104  
Holdings [Line Items]  
Percent of Net Asset Value 34.40%
C000169940 | 0BNY-77956H195  
Holdings [Line Items]  
Percent of Net Asset Value 27.40%
C000169940 | 0BNY-TC7OZ3MW6  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000169940 | 0BNY-912810TZ1  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
C000169940 | 0BNY-74144Q203  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000169940 | 0BNY-01F020661  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000169940 | 0BNY-06051GJF7  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000169940 | 0BNY-92842NAA6  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000169940 | 0BNY-35564NCW1  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%