v3.26.1
Shareholder Report, Holdings (Details)
Mar. 31, 2026
C000029788 | FR_92842UAA0  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000029788 | FR_30227TAA8  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000029788 | FR_617932AA6  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000029788 | FR_912797SM0  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000029788 | FR_00833BAA6  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000029788 | FR_00140NAW0  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000029788 | FR_74334DAA1  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000029788 | FR_559922AL3  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000029788 | FR_29004FAA9  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000029788 | FR_95001CAA0  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000029788 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000029788 | AssetCorporate Bonds & Notes  
Holdings [Line Items]  
Percent of Net Asset Value 34.00%
C000029788 | AssetResidential Mortgage-Backed Securities - Non-Agency  
Holdings [Line Items]  
Percent of Net Asset Value 28.60%
C000029788 | AssetAsset-Backed Securities - Non-Agency  
Holdings [Line Items]  
Percent of Net Asset Value 20.70%
C000029788 | AssetCommercial Mortgage-Backed Securities - Non-Agency  
Holdings [Line Items]  
Percent of Net Asset Value 12.70%
C000029788 | AssetResidential Mortgage-Backed Securities - Agency  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000029788 | AssetMoney Market Funds  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000029790 | FR_92842UAA0  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000029790 | FR_30227TAA8  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000029790 | FR_617932AA6  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000029790 | FR_912797SM0  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000029790 | FR_00833BAA6  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000029790 | FR_00140NAW0  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000029790 | FR_74334DAA1  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000029790 | FR_559922AL3  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000029790 | FR_29004FAA9  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000029790 | FR_95001CAA0  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000029790 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000029790 | AssetCorporate Bonds & Notes  
Holdings [Line Items]  
Percent of Net Asset Value 34.00%
C000029790 | AssetResidential Mortgage-Backed Securities - Non-Agency  
Holdings [Line Items]  
Percent of Net Asset Value 28.60%
C000029790 | AssetAsset-Backed Securities - Non-Agency  
Holdings [Line Items]  
Percent of Net Asset Value 20.70%
C000029790 | AssetCommercial Mortgage-Backed Securities - Non-Agency  
Holdings [Line Items]  
Percent of Net Asset Value 12.70%
C000029790 | AssetResidential Mortgage-Backed Securities - Agency  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000029790 | AssetMoney Market Funds  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000254316 | FR_92842UAA0  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000254316 | FR_30227TAA8  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000254316 | FR_617932AA6  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000254316 | FR_912797SM0  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000254316 | FR_00833BAA6  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000254316 | FR_00140NAW0  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000254316 | FR_74334DAA1  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000254316 | FR_559922AL3  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000254316 | FR_29004FAA9  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000254316 | FR_95001CAA0  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000254316 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000254316 | AssetCorporate Bonds & Notes  
Holdings [Line Items]  
Percent of Net Asset Value 34.00%
C000254316 | AssetResidential Mortgage-Backed Securities - Non-Agency  
Holdings [Line Items]  
Percent of Net Asset Value 28.60%
C000254316 | AssetAsset-Backed Securities - Non-Agency  
Holdings [Line Items]  
Percent of Net Asset Value 20.70%
C000254316 | AssetCommercial Mortgage-Backed Securities - Non-Agency  
Holdings [Line Items]  
Percent of Net Asset Value 12.70%
C000254316 | AssetResidential Mortgage-Backed Securities - Agency  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000254316 | AssetMoney Market Funds  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000122569 | FR_92842UAA0  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000122569 | FR_30227TAA8  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000122569 | FR_617932AA6  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000122569 | FR_912797SM0  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000122569 | FR_00833BAA6  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000122569 | FR_00140NAW0  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000122569 | FR_74334DAA1  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000122569 | FR_559922AL3  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000122569 | FR_29004FAA9  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000122569 | FR_95001CAA0  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000122569 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000122569 | AssetCorporate Bonds & Notes  
Holdings [Line Items]  
Percent of Net Asset Value 34.00%
C000122569 | AssetResidential Mortgage-Backed Securities - Non-Agency  
Holdings [Line Items]  
Percent of Net Asset Value 28.60%
C000122569 | AssetAsset-Backed Securities - Non-Agency  
Holdings [Line Items]  
Percent of Net Asset Value 20.70%
C000122569 | AssetCommercial Mortgage-Backed Securities - Non-Agency  
Holdings [Line Items]  
Percent of Net Asset Value 12.70%
C000122569 | AssetResidential Mortgage-Backed Securities - Agency  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000122569 | AssetMoney Market Funds  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000079024 | FR_92842UAA0  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000079024 | FR_30227TAA8  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000079024 | FR_617932AA6  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000079024 | FR_912797SM0  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000079024 | FR_00833BAA6  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000079024 | FR_00140NAW0  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000079024 | FR_74334DAA1  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000079024 | FR_559922AL3  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000079024 | FR_29004FAA9  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000079024 | FR_95001CAA0  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000079024 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000079024 | AssetCorporate Bonds & Notes  
Holdings [Line Items]  
Percent of Net Asset Value 34.00%
C000079024 | AssetResidential Mortgage-Backed Securities - Non-Agency  
Holdings [Line Items]  
Percent of Net Asset Value 28.60%
C000079024 | AssetAsset-Backed Securities - Non-Agency  
Holdings [Line Items]  
Percent of Net Asset Value 20.70%
C000079024 | AssetCommercial Mortgage-Backed Securities - Non-Agency  
Holdings [Line Items]  
Percent of Net Asset Value 12.70%
C000079024 | AssetResidential Mortgage-Backed Securities - Agency  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000079024 | AssetMoney Market Funds  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000029791 | FR_92842UAA0  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000029791 | FR_30227TAA8  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000029791 | FR_617932AA6  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000029791 | FR_912797SM0  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000029791 | FR_00833BAA6  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000029791 | FR_00140NAW0  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000029791 | FR_74334DAA1  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000029791 | FR_559922AL3  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000029791 | FR_29004FAA9  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000029791 | FR_95001CAA0  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000029791 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000029791 | AssetCorporate Bonds & Notes  
Holdings [Line Items]  
Percent of Net Asset Value 34.00%
C000029791 | AssetResidential Mortgage-Backed Securities - Non-Agency  
Holdings [Line Items]  
Percent of Net Asset Value 28.60%
C000029791 | AssetAsset-Backed Securities - Non-Agency  
Holdings [Line Items]  
Percent of Net Asset Value 20.70%
C000029791 | AssetCommercial Mortgage-Backed Securities - Non-Agency  
Holdings [Line Items]  
Percent of Net Asset Value 12.70%
C000029791 | AssetResidential Mortgage-Backed Securities - Agency  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000029791 | AssetMoney Market Funds  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%