Annual Total Returns - Class A |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
|---|---|---|---|---|---|---|---|---|---|---|
| (Nomura Corporate Bond Fund and Nomura Extended Duration Bond Fund - Classes A, C, R, Institutional, and R6) | Nomura Corporate Bond Fund | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 2.53% | 7.19% | (17.09%) | (0.91%) | 11.39% | 15.91% | (4.00%) | 7.18% | 5.44% | (1.98%) |
| (Nomura Corporate Bond Fund and Nomura Extended Duration Bond Fund - Classes A, C, R, Institutional, and R6) | Nomura Extended Duration Bond Fund | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | (1.55%) | 9.36% | (26.73%) | (0.78%) | 14.49% | 22.68% | (8.13%) | 12.11% | 7.24% | (4.77%) |
| (Nomura Floating Rate Fund - Classes A, C, R, Institutional and R6) | Nomura Floating Rate Fund | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 8.60% | 12.09% | (0.89%) | 5.19% | 2.30% | 9.09% | 0.63% | 3.53% | 3.52% | (0.83%) |