v3.26.1
Expense Example
Dec. 31, 2025
USD ($)
April - Limited Term Diversified_Pro | Nomura Limited-Term Diversified Income Fund | A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 340
Expense Example, with Redemption, 3 Years 540
Expense Example, with Redemption, 5 Years 758
Expense Example, with Redemption, 10 Years 1,383
April - Limited Term Diversified_Pro | Nomura Limited-Term Diversified Income Fund | C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 243
Expense Example, with Redemption, 3 Years 506
Expense Example, with Redemption, 5 Years 895
Expense Example, with Redemption, 10 Years 1,984
April - Limited Term Diversified_Pro | Nomura Limited-Term Diversified Income Fund | R  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 92
Expense Example, with Redemption, 3 Years 351
Expense Example, with Redemption, 5 Years 631
Expense Example, with Redemption, 10 Years 1,428
April - Limited Term Diversified_Pro | Nomura Limited-Term Diversified Income Fund | Institutional  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 41
Expense Example, with Redemption, 3 Years 194
Expense Example, with Redemption, 5 Years 360
Expense Example, with Redemption, 10 Years 842
April - Limited Term Diversified_Pro | Nomura Limited-Term Diversified Income Fund | R6  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 32
Expense Example, with Redemption, 3 Years 165
Expense Example, with Redemption, 5 Years 310
Expense Example, with Redemption, 10 Years 734
April - Tax Free Oregon_Pro | Nomura Tax-Free Oregon Fund | A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 536
Expense Example, with Redemption, 3 Years 808
Expense Example, with Redemption, 5 Years 1,101
Expense Example, with Redemption, 10 Years 1,932
April - Tax Free Oregon_Pro | Nomura Tax-Free Oregon Fund | Institutional  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 64
Expense Example, with Redemption, 3 Years 297
Expense Example, with Redemption, 5 Years 547
Expense Example, with Redemption, 10 Years $ 1,266