v3.25.3
Expense Example
Jul. 31, 2025
USD ($)
(Nomura Strategic Income Fund - Classes A, C, R and Institutional) | Nomura Strategic Income Fund | Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 533
Expense Example, with Redemption, 3 Years 756
Expense Example, with Redemption, 5 Years 997
Expense Example, with Redemption, 10 Years 1,688
(Nomura Strategic Income Fund - Classes A, C, R and Institutional) | Nomura Strategic Income Fund | Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 263
Expense Example, with Redemption, 3 Years 553
Expense Example, with Redemption, 5 Years 969
Expense Example, with Redemption, 10 Years 2,129
(Nomura Strategic Income Fund - Classes A, C, R and Institutional) | Nomura Strategic Income Fund | Class R  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 112
Expense Example, with Redemption, 3 Years 399
Expense Example, with Redemption, 5 Years 707
Expense Example, with Redemption, 10 Years 1,581
(Nomura Strategic Income Fund - Classes A, C, R and Institutional) | Nomura Strategic Income Fund | Institutional Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 61
Expense Example, with Redemption, 3 Years 242
Expense Example, with Redemption, 5 Years 438
Expense Example, with Redemption, 10 Years 1,004
(Nomura Emerging Markets Debt Corporate Fund - Classes A, C and Institutional) | Nomura Emerging Markets Debt Corporate Fund | Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 552
Expense Example, with Redemption, 3 Years 832
Expense Example, with Redemption, 5 Years 1,133
Expense Example, with Redemption, 10 Years 1,986
(Nomura Emerging Markets Debt Corporate Fund - Classes A, C and Institutional) | Nomura Emerging Markets Debt Corporate Fund | Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 283
Expense Example, with Redemption, 3 Years 631
Expense Example, with Redemption, 5 Years 1,106
Expense Example, with Redemption, 10 Years 2,417
(Nomura Emerging Markets Debt Corporate Fund - Classes A, C and Institutional) | Nomura Emerging Markets Debt Corporate Fund | Institutional Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 82
Expense Example, with Redemption, 3 Years 322
Expense Example, with Redemption, 5 Years 582
Expense Example, with Redemption, 10 Years $ 1,324