Expense Example - DELAWARE GROUP EQUITY FUNDS IV - A, C, R, and Institutional
|
Mar. 31, 2026
USD ($)
|
| Nomura Asset Strategy Fund | A |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
$ 683
|
| Expense Example, with Redemption, 3 Years |
911
|
| Expense Example, with Redemption, 5 Years |
1,156
|
| Expense Example, with Redemption, 10 Years |
1,860
|
| Nomura Asset Strategy Fund | C |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
290
|
| Expense Example, with Redemption, 3 Years |
588
|
| Expense Example, with Redemption, 5 Years |
1,011
|
| Expense Example, with Redemption, 10 Years |
2,190
|
| Nomura Asset Strategy Fund | Institutional |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
89
|
| Expense Example, with Redemption, 3 Years |
278
|
| Expense Example, with Redemption, 5 Years |
482
|
| Expense Example, with Redemption, 10 Years |
1,073
|
| Nomura Asset Strategy Fund | R6 |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
79
|
| Expense Example, with Redemption, 3 Years |
246
|
| Expense Example, with Redemption, 5 Years |
428
|
| Expense Example, with Redemption, 10 Years |
954
|
| Nomura Asset Strategy Fund | R |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
139
|
| Expense Example, with Redemption, 3 Years |
434
|
| Expense Example, with Redemption, 5 Years |
750
|
| Expense Example, with Redemption, 10 Years |
1,646
|
| Nomura Asset Strategy Fund | Y |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
114
|
| Expense Example, with Redemption, 3 Years |
356
|
| Expense Example, with Redemption, 5 Years |
617
|
| Expense Example, with Redemption, 10 Years |
1,363
|
| Nomura Balanced Fund | A |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
669
|
| Expense Example, with Redemption, 3 Years |
893
|
| Expense Example, with Redemption, 5 Years |
1,135
|
| Expense Example, with Redemption, 10 Years |
1,828
|
| Nomura Balanced Fund | C |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
276
|
| Expense Example, with Redemption, 3 Years |
570
|
| Expense Example, with Redemption, 5 Years |
990
|
| Expense Example, with Redemption, 10 Years |
2,159
|
| Nomura Balanced Fund | Institutional |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
75
|
| Expense Example, with Redemption, 3 Years |
259
|
| Expense Example, with Redemption, 5 Years |
460
|
| Expense Example, with Redemption, 10 Years |
1,038
|
| Nomura Balanced Fund | R6 |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
65
|
| Expense Example, with Redemption, 3 Years |
233
|
| Expense Example, with Redemption, 5 Years |
415
|
| Expense Example, with Redemption, 10 Years |
942
|
| Nomura Balanced Fund | R |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
125
|
| Expense Example, with Redemption, 3 Years |
416
|
| Expense Example, with Redemption, 5 Years |
728
|
| Expense Example, with Redemption, 10 Years |
1,613
|
| Nomura Balanced Fund | Y |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
100
|
| Expense Example, with Redemption, 3 Years |
338
|
| Expense Example, with Redemption, 5 Years |
595
|
| Expense Example, with Redemption, 10 Years |
1,329
|
| Nomura Core Equity Fund | A |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
670
|
| Expense Example, with Redemption, 3 Years |
876
|
| Expense Example, with Redemption, 5 Years |
1,099
|
| Expense Example, with Redemption, 10 Years |
1,738
|
| Nomura Core Equity Fund | C |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
277
|
| Expense Example, with Redemption, 3 Years |
552
|
| Expense Example, with Redemption, 5 Years |
952
|
| Expense Example, with Redemption, 10 Years |
2,071
|
| Nomura Core Equity Fund | Institutional |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
76
|
| Expense Example, with Redemption, 3 Years |
241
|
| Expense Example, with Redemption, 5 Years |
420
|
| Expense Example, with Redemption, 10 Years |
940
|
| Nomura Core Equity Fund | R6 |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
68
|
| Expense Example, with Redemption, 3 Years |
219
|
| Expense Example, with Redemption, 5 Years |
382
|
| Expense Example, with Redemption, 10 Years |
857
|
| Nomura Core Equity Fund | R |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
126
|
| Expense Example, with Redemption, 3 Years |
398
|
| Expense Example, with Redemption, 5 Years |
690
|
| Expense Example, with Redemption, 10 Years |
1,521
|
| Nomura Core Equity Fund | Y |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
101
|
| Expense Example, with Redemption, 3 Years |
320
|
| Expense Example, with Redemption, 5 Years |
556
|
| Expense Example, with Redemption, 10 Years |
1,234
|
| Nomura Global Growth Fund | A |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
681
|
| Expense Example, with Redemption, 3 Years |
943
|
| Expense Example, with Redemption, 5 Years |
1,225
|
| Expense Example, with Redemption, 10 Years |
2,026
|
| Nomura Global Growth Fund | C |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
288
|
| Expense Example, with Redemption, 3 Years |
623
|
| Expense Example, with Redemption, 5 Years |
1,085
|
| Expense Example, with Redemption, 10 Years |
2,363
|
| Nomura Global Growth Fund | Institutional |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
87
|
| Expense Example, with Redemption, 3 Years |
314
|
| Expense Example, with Redemption, 5 Years |
560
|
| Expense Example, with Redemption, 10 Years |
1,265
|
| Nomura Global Growth Fund | R6 |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
77
|
| Expense Example, with Redemption, 3 Years |
285
|
| Expense Example, with Redemption, 5 Years |
510
|
| Expense Example, with Redemption, 10 Years |
1,159
|
| Nomura Global Growth Fund | R |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
137
|
| Expense Example, with Redemption, 3 Years |
470
|
| Expense Example, with Redemption, 5 Years |
826
|
| Expense Example, with Redemption, 10 Years |
1,829
|
| Nomura Global Growth Fund | Y |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
112
|
| Expense Example, with Redemption, 3 Years |
392
|
| Expense Example, with Redemption, 5 Years |
694
|
| Expense Example, with Redemption, 10 Years |
1,550
|
| Nomura International Core Equity Fund | A |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
672
|
| Expense Example, with Redemption, 3 Years |
936
|
| Expense Example, with Redemption, 5 Years |
1,221
|
| Expense Example, with Redemption, 10 Years |
2,029
|
| Nomura International Core Equity Fund | C |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
279
|
| Expense Example, with Redemption, 3 Years |
615
|
| Expense Example, with Redemption, 5 Years |
1,077
|
| Expense Example, with Redemption, 10 Years |
2,356
|
| Nomura International Core Equity Fund | Institutional |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
78
|
| Expense Example, with Redemption, 3 Years |
305
|
| Expense Example, with Redemption, 5 Years |
551
|
| Expense Example, with Redemption, 10 Years |
1,256
|
| Nomura International Core Equity Fund | R6 |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
67
|
| Expense Example, with Redemption, 3 Years |
272
|
| Expense Example, with Redemption, 5 Years |
493
|
| Expense Example, with Redemption, 10 Years |
1,129
|
| Nomura International Core Equity Fund | R |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
128
|
| Expense Example, with Redemption, 3 Years |
461
|
| Expense Example, with Redemption, 5 Years |
817
|
| Expense Example, with Redemption, 10 Years |
1,821
|
| Nomura International Core Equity Fund | Y |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
103
|
| Expense Example, with Redemption, 3 Years |
383
|
| Expense Example, with Redemption, 5 Years |
685
|
| Expense Example, with Redemption, 10 Years |
1,542
|
| Nomura Large Cap Growth Fund | A |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
661
|
| Expense Example, with Redemption, 3 Years |
861
|
| Expense Example, with Redemption, 5 Years |
1,077
|
| Expense Example, with Redemption, 10 Years |
1,700
|
| Nomura Large Cap Growth Fund | C |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
267
|
| Expense Example, with Redemption, 3 Years |
536
|
| Expense Example, with Redemption, 5 Years |
930
|
| Expense Example, with Redemption, 10 Years |
2,033
|
| Nomura Large Cap Growth Fund | Institutional |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
65
|
| Expense Example, with Redemption, 3 Years |
224
|
| Expense Example, with Redemption, 5 Years |
397
|
| Expense Example, with Redemption, 10 Years |
898
|
| Nomura Large Cap Growth Fund | R6 |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
56
|
| Expense Example, with Redemption, 3 Years |
198
|
| Expense Example, with Redemption, 5 Years |
352
|
| Expense Example, with Redemption, 10 Years |
801
|
| Nomura Large Cap Growth Fund | R |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
116
|
| Expense Example, with Redemption, 3 Years |
381
|
| Expense Example, with Redemption, 5 Years |
667
|
| Expense Example, with Redemption, 10 Years |
1,481
|
| Nomura Large Cap Growth Fund | Y |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
91
|
| Expense Example, with Redemption, 3 Years |
303
|
| Expense Example, with Redemption, 5 Years |
533
|
| Expense Example, with Redemption, 10 Years |
1,193
|
| Nomura Mid Cap Growth Fund |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
675
|
| Expense Example, with Redemption, 3 Years |
927
|
| Expense Example, with Redemption, 5 Years |
1,199
|
| Expense Example, with Redemption, 10 Years |
1,972
|
| Nomura Mid Cap Growth Fund | C |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
282
|
| Expense Example, with Redemption, 3 Years |
605
|
| Expense Example, with Redemption, 5 Years |
1,054
|
| Expense Example, with Redemption, 10 Years |
2,301
|
| Nomura Mid Cap Growth Fund | Institutional |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
81
|
| Expense Example, with Redemption, 3 Years |
295
|
| Expense Example, with Redemption, 5 Years |
528
|
| Expense Example, with Redemption, 10 Years |
1,195
|
| Nomura Mid Cap Growth Fund | R6 |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
69
|
| Expense Example, with Redemption, 3 Years |
261
|
| Expense Example, with Redemption, 5 Years |
468
|
| Expense Example, with Redemption, 10 Years |
1,066
|
| Nomura Mid Cap Growth Fund | R |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
131
|
| Expense Example, with Redemption, 3 Years |
451
|
| Expense Example, with Redemption, 5 Years |
794
|
| Expense Example, with Redemption, 10 Years |
1,762
|
| Nomura Mid Cap Growth Fund | Y |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
106
|
| Expense Example, with Redemption, 3 Years |
374
|
| Expense Example, with Redemption, 5 Years |
662
|
| Expense Example, with Redemption, 10 Years |
1,482
|
| Nomura Mid Cap Income Opportunities Fund | A |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
678
|
| Expense Example, with Redemption, 3 Years |
940
|
| Expense Example, with Redemption, 5 Years |
1,222
|
| Expense Example, with Redemption, 10 Years |
2,024
|
| Nomura Mid Cap Income Opportunities Fund | C |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
285
|
| Expense Example, with Redemption, 3 Years |
618
|
| Expense Example, with Redemption, 5 Years |
1,078
|
| Expense Example, with Redemption, 10 Years |
2,351
|
| Nomura Mid Cap Income Opportunities Fund | Institutional |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
84
|
| Expense Example, with Redemption, 3 Years |
309
|
| Expense Example, with Redemption, 5 Years |
553
|
| Expense Example, with Redemption, 10 Years |
1,251
|
| Nomura Mid Cap Income Opportunities Fund | R6 |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
75
|
| Expense Example, with Redemption, 3 Years |
279
|
| Expense Example, with Redemption, 5 Years |
500
|
| Expense Example, with Redemption, 10 Years |
1,135
|
| Nomura Mid Cap Income Opportunities Fund | R |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
134
|
| Expense Example, with Redemption, 3 Years |
465
|
| Expense Example, with Redemption, 5 Years |
819
|
| Expense Example, with Redemption, 10 Years |
1,816
|
| Nomura Mid Cap Income Opportunities Fund | Y |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
109
|
| Expense Example, with Redemption, 3 Years |
387
|
| Expense Example, with Redemption, 5 Years |
686
|
| Expense Example, with Redemption, 10 Years |
1,537
|
| Nomura Smid Cap Core Fund | A |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
683
|
| Expense Example, with Redemption, 3 Years |
961
|
| Expense Example, with Redemption, 5 Years |
1,259
|
| Expense Example, with Redemption, 10 Years |
2,106
|
| Nomura Smid Cap Core Fund | C |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
290
|
| Expense Example, with Redemption, 3 Years |
640
|
| Expense Example, with Redemption, 5 Years |
1,116
|
| Expense Example, with Redemption, 10 Years |
2,432
|
| Nomura Smid Cap Core Fund | Institutional |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
89
|
| Expense Example, with Redemption, 3 Years |
331
|
| Expense Example, with Redemption, 5 Years |
593
|
| Expense Example, with Redemption, 10 Years |
1,341
|
| Nomura Smid Cap Core Fund | R6 |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
79
|
| Expense Example, with Redemption, 3 Years |
296
|
| Expense Example, with Redemption, 5 Years |
530
|
| Expense Example, with Redemption, 10 Years |
1,204
|
| Nomura Smid Cap Core Fund | R |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
139
|
| Expense Example, with Redemption, 3 Years |
487
|
| Expense Example, with Redemption, 5 Years |
858
|
| Expense Example, with Redemption, 10 Years |
1,901
|
| Nomura Smid Cap Core Fund | Y |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
114
|
| Expense Example, with Redemption, 3 Years |
409
|
| Expense Example, with Redemption, 5 Years |
726
|
| Expense Example, with Redemption, 10 Years |
1,625
|
| Nomura Small Cap Growth Fund | A |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
681
|
| Expense Example, with Redemption, 3 Years |
945
|
| Expense Example, with Redemption, 5 Years |
1,229
|
| Expense Example, with Redemption, 10 Years |
2,036
|
| Nomura Small Cap Growth Fund | C |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
288
|
| Expense Example, with Redemption, 3 Years |
623
|
| Expense Example, with Redemption, 5 Years |
1,085
|
| Expense Example, with Redemption, 10 Years |
2,363
|
| Nomura Small Cap Growth Fund | Institutional |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
87
|
| Expense Example, with Redemption, 3 Years |
314
|
| Expense Example, with Redemption, 5 Years |
560
|
| Expense Example, with Redemption, 10 Years |
1,265
|
| Nomura Small Cap Growth Fund | R6 |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
78
|
| Expense Example, with Redemption, 3 Years |
279
|
| Expense Example, with Redemption, 5 Years |
498
|
| Expense Example, with Redemption, 10 Years |
1,127
|
| Nomura Small Cap Growth Fund | R |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
137
|
| Expense Example, with Redemption, 3 Years |
470
|
| Expense Example, with Redemption, 5 Years |
826
|
| Expense Example, with Redemption, 10 Years |
1,829
|
| Nomura Small Cap Growth Fund | Y |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
112
|
| Expense Example, with Redemption, 3 Years |
392
|
| Expense Example, with Redemption, 5 Years |
694
|
| Expense Example, with Redemption, 10 Years |
1,550
|
| Nomura Systematic Emerging Markets Equity Fund | A |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
674
|
| Expense Example, with Redemption, 3 Years |
978
|
| Expense Example, with Redemption, 5 Years |
1,304
|
| Expense Example, with Redemption, 10 Years |
2,225
|
| Nomura Systematic Emerging Markets Equity Fund | C |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
281
|
| Expense Example, with Redemption, 3 Years |
658
|
| Expense Example, with Redemption, 5 Years |
1,162
|
| Expense Example, with Redemption, 10 Years |
2,548
|
| Nomura Systematic Emerging Markets Equity Fund | Institutional |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
80
|
| Expense Example, with Redemption, 3 Years |
350
|
| Expense Example, with Redemption, 5 Years |
641
|
| Expense Example, with Redemption, 10 Years |
1,470
|
| Nomura Systematic Emerging Markets Equity Fund | R6 |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
65
|
| Expense Example, with Redemption, 3 Years |
302
|
| Expense Example, with Redemption, 5 Years |
557
|
| Expense Example, with Redemption, 10 Years |
1,288
|
| Nomura Systematic Emerging Markets Equity Fund | R |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
130
|
| Expense Example, with Redemption, 3 Years |
505
|
| Expense Example, with Redemption, 5 Years |
905
|
| Expense Example, with Redemption, 10 Years |
2,024
|
| Nomura Systematic Emerging Markets Equity Fund | Y |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
105
|
| Expense Example, with Redemption, 3 Years |
428
|
| Expense Example, with Redemption, 5 Years |
774
|
| Expense Example, with Redemption, 10 Years |
1,750
|
| Nomura Climate Solutions Fund | A |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
694
|
| Expense Example, with Redemption, 3 Years |
1,022
|
| Expense Example, with Redemption, 5 Years |
1,372
|
| Expense Example, with Redemption, 10 Years |
2,356
|
| Nomura Climate Solutions Fund | C |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
302
|
| Expense Example, with Redemption, 3 Years |
703
|
| Expense Example, with Redemption, 5 Years |
1,231
|
| Expense Example, with Redemption, 10 Years |
2,677
|
| Nomura Climate Solutions Fund | Institutional |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
101
|
| Expense Example, with Redemption, 3 Years |
396
|
| Expense Example, with Redemption, 5 Years |
714
|
| Expense Example, with Redemption, 10 Years |
1,613
|
| Nomura Climate Solutions Fund | R6 |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
86
|
| Expense Example, with Redemption, 3 Years |
345
|
| Expense Example, with Redemption, 5 Years |
625
|
| Expense Example, with Redemption, 10 Years |
1,423
|
| Nomura Climate Solutions Fund | R |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
152
|
| Expense Example, with Redemption, 3 Years |
551
|
| Expense Example, with Redemption, 5 Years |
976
|
| Expense Example, with Redemption, 10 Years |
2,159
|
| Nomura Climate Solutions Fund | Y |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
126
|
| Expense Example, with Redemption, 3 Years |
474
|
| Expense Example, with Redemption, 5 Years |
846
|
| Expense Example, with Redemption, 10 Years |
1,890
|
| Nomura Natural Resources Fund | A |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
690
|
| Expense Example, with Redemption, 3 Years |
994
|
| Expense Example, with Redemption, 5 Years |
1,320
|
| Expense Example, with Redemption, 10 Years |
2,238
|
| Nomura Natural Resources Fund | C |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
298
|
| Expense Example, with Redemption, 3 Years |
675
|
| Expense Example, with Redemption, 5 Years |
1,178
|
| Expense Example, with Redemption, 10 Years |
2,562
|
| Nomura Natural Resources Fund | Institutional |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
97
|
| Expense Example, with Redemption, 3 Years |
367
|
| Expense Example, with Redemption, 5 Years |
657
|
| Expense Example, with Redemption, 10 Years |
1,485
|
| Nomura Natural Resources Fund | R6 |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
84
|
| Expense Example, with Redemption, 3 Years |
318
|
| Expense Example, with Redemption, 5 Years |
570
|
| Expense Example, with Redemption, 10 Years |
1,294
|
| Nomura Natural Resources Fund | R |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
148
|
| Expense Example, with Redemption, 3 Years |
522
|
| Expense Example, with Redemption, 5 Years |
921
|
| Expense Example, with Redemption, 10 Years |
2,038
|
| Nomura Natural Resources Fund | Y |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
122
|
| Expense Example, with Redemption, 3 Years |
445
|
| Expense Example, with Redemption, 5 Years |
790
|
| Expense Example, with Redemption, 10 Years |
1,765
|
| Nomura Real Estate Securities Fund | A |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
679
|
| Expense Example, with Redemption, 3 Years |
1,027
|
| Expense Example, with Redemption, 5 Years |
1,398
|
| Expense Example, with Redemption, 10 Years |
2,438
|
| Nomura Real Estate Securities Fund | C |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
286
|
| Expense Example, with Redemption, 3 Years |
709
|
| Expense Example, with Redemption, 5 Years |
1,258
|
| Expense Example, with Redemption, 10 Years |
2,758
|
| Nomura Real Estate Securities Fund | Institutional |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
85
|
| Expense Example, with Redemption, 3 Years |
402
|
| Expense Example, with Redemption, 5 Years |
742
|
| Expense Example, with Redemption, 10 Years |
1,702
|
| Nomura Real Estate Securities Fund | R6 |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
69
|
| Expense Example, with Redemption, 3 Years |
355
|
| Expense Example, with Redemption, 5 Years |
662
|
| Expense Example, with Redemption, 10 Years |
1,534
|
| Nomura Real Estate Securities Fund | R |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
135
|
| Expense Example, with Redemption, 3 Years |
556
|
| Expense Example, with Redemption, 5 Years |
1,003
|
| Expense Example, with Redemption, 10 Years |
2,244
|
| Nomura Real Estate Securities Fund | Y |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
110
|
| Expense Example, with Redemption, 3 Years |
479
|
| Expense Example, with Redemption, 5 Years |
873
|
| Expense Example, with Redemption, 10 Years |
1,977
|
| Nomura Science and Technology Fund | A |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
686
|
| Expense Example, with Redemption, 3 Years |
924
|
| Expense Example, with Redemption, 5 Years |
1,181
|
| Expense Example, with Redemption, 10 Years |
1,913
|
| Nomura Science and Technology Fund | C |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
294
|
| Expense Example, with Redemption, 3 Years |
602
|
| Expense Example, with Redemption, 5 Years |
1,036
|
| Expense Example, with Redemption, 10 Years |
2,242
|
| Nomura Science and Technology Fund | Institutional |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
93
|
| Expense Example, with Redemption, 3 Years |
292
|
| Expense Example, with Redemption, 5 Years |
508
|
| Expense Example, with Redemption, 10 Years |
1,130
|
| Nomura Science and Technology Fund | R6 |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
86
|
| Expense Example, with Redemption, 3 Years |
268
|
| Expense Example, with Redemption, 5 Years |
466
|
| Expense Example, with Redemption, 10 Years |
1,037
|
| Nomura Science and Technology Fund | R |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
144
|
| Expense Example, with Redemption, 3 Years |
448
|
| Expense Example, with Redemption, 5 Years |
775
|
| Expense Example, with Redemption, 10 Years |
1,701
|
| Nomura Science and Technology Fund | Y |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
118
|
| Expense Example, with Redemption, 3 Years |
371
|
| Expense Example, with Redemption, 5 Years |
643
|
| Expense Example, with Redemption, 10 Years |
1,419
|
| Nomura Global Bond Fund | A |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
540
|
| Expense Example, with Redemption, 3 Years |
777
|
| Expense Example, with Redemption, 5 Years |
1,033
|
| Expense Example, with Redemption, 10 Years |
1,765
|
| Nomura Global Bond Fund | C |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
270
|
| Expense Example, with Redemption, 3 Years |
575
|
| Expense Example, with Redemption, 5 Years |
1,005
|
| Expense Example, with Redemption, 10 Years |
2,203
|
| Nomura Global Bond Fund | Institutional |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
68
|
| Expense Example, with Redemption, 3 Years |
264
|
| Expense Example, with Redemption, 5 Years |
476
|
| Expense Example, with Redemption, 10 Years |
1,087
|
| Nomura Global Bond Fund | R6 |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
57
|
| Expense Example, with Redemption, 3 Years |
225
|
| Expense Example, with Redemption, 5 Years |
407
|
| Expense Example, with Redemption, 10 Years |
935
|
| Nomura Global Bond Fund | R |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
119
|
| Expense Example, with Redemption, 3 Years |
421
|
| Expense Example, with Redemption, 5 Years |
744
|
| Expense Example, with Redemption, 10 Years |
1,660
|
| Nomura Global Bond Fund | Y |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
94
|
| Expense Example, with Redemption, 3 Years |
343
|
| Expense Example, with Redemption, 5 Years |
611
|
| Expense Example, with Redemption, 10 Years |
1,377
|
| Nomura High Income Fund | A |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
535
|
| Expense Example, with Redemption, 3 Years |
742
|
| Expense Example, with Redemption, 5 Years |
966
|
| Expense Example, with Redemption, 10 Years |
1,608
|
| Nomura High Income Fund | C |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
265
|
| Expense Example, with Redemption, 3 Years |
538
|
| Expense Example, with Redemption, 5 Years |
937
|
| Expense Example, with Redemption, 10 Years |
2,052
|
| Nomura High Income Fund | Institutional |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
63
|
| Expense Example, with Redemption, 3 Years |
227
|
| Expense Example, with Redemption, 5 Years |
404
|
| Expense Example, with Redemption, 10 Years |
918
|
| Nomura High Income Fund | R6 |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
55
|
| Expense Example, with Redemption, 3 Years |
199
|
| Expense Example, with Redemption, 5 Years |
356
|
| Expense Example, with Redemption, 10 Years |
811
|
| Nomura High Income Fund | R |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
114
|
| Expense Example, with Redemption, 3 Years |
384
|
| Expense Example, with Redemption, 5 Years |
674
|
| Expense Example, with Redemption, 10 Years |
1,500
|
| Nomura High Income Fund | Y |
|
| Prospectus [Line Items] |
|
| Expense Example, with Redemption, 1 Year |
89
|
| Expense Example, with Redemption, 3 Years |
305
|
| Expense Example, with Redemption, 5 Years |
540
|
| Expense Example, with Redemption, 10 Years |
$ 1,213
|