{
 "version": "2.2",
 "instance": {
  "c115545_ncsr-ixbrl.htm": {
   "nsprefix": "veac",
   "nsuri": "http://veac/20251231",
   "dts": {
    "inline": {
     "local": [
      "c115545_ncsr-ixbrl.htm"
     ]
    },
    "schema": {
     "local": [
      "veac-20251231.xsd"
     ],
     "remote": [
      "http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xl-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xlink-2003-12-31.xsd",
      "http://www.xbrl.org/2005/xbrldt-2005.xsd",
      "http://www.xbrl.org/2006/ref-2006-02-27.xsd",
      "http://www.xbrl.org/lrr/arcrole/deprecated-2009-12-16.xsd",
      "http://www.xbrl.org/lrr/role/deprecated-2009-12-16.xsd",
      "http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd",
      "http://www.xbrl.org/lrr/role/reference-2009-12-16.xsd",
      "https://www.xbrl.org/2020/extensible-enumerations-2.0.xsd",
      "https://www.xbrl.org/dtr/type/2020-01-21/types.xsd",
      "https://www.xbrl.org/dtr/type/2022-03-31/types.xsd",
      "https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd",
      "https://xbrl.fasb.org/srt/2024/elts/srt-roles-2024.xsd",
      "https://xbrl.fasb.org/srt/2024/elts/srt-types-2024.xsd",
      "https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd",
      "https://xbrl.fasb.org/us-gaap/2024/elts/us-roles-2024.xsd",
      "https://xbrl.fasb.org/us-gaap/2024/elts/us-types-2024.xsd",
      "https://xbrl.sec.gov/country/2024/country-2024.xsd",
      "https://xbrl.sec.gov/country/2024/country-2024_def.xsd",
      "https://xbrl.sec.gov/dei/2024/dei-2024.xsd",
      "https://xbrl.sec.gov/oef/2024/oef-2024.xsd",
      "https://xbrl.sec.gov/oef/2024/oef-2024_lab.xsd",
      "https://xbrl.sec.gov/oef/2024/oef-sr-2024.xsd",
      "https://xbrl.sec.gov/stpr/2024/stpr-2024.xsd"
     ]
    }
   },
   "keyStandard": 52,
   "keyCustom": 0,
   "axisStandard": 6,
   "axisCustom": 0,
   "memberStandard": 13,
   "memberCustom": 393,
   "hidden": {
    "total": 6,
    "http://xbrl.sec.gov/dei/2024": 6
   },
   "contextCount": 7481,
   "entityCount": 1,
   "segmentCount": 406,
   "elementCount": 524,
   "unitCount": 3,
   "baseTaxonomies": {
    "http://xbrl.sec.gov/oef/2024": 8465,
    "http://xbrl.sec.gov/dei/2024": 97,
    "http://fasb.org/us-gaap/2024": 62
   },
   "report": {
    "R1": {
     "role": "http://xbrl.sec.gov/oef/role/NcsrCover",
     "longName": "030000 - Disclosure - Form N-CSR Cover",
     "shortName": "Form N-CSR Cover",
     "isDefault": "true",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Cover",
     "order": "1",
     "firstAnchor": {
      "contextRef": "From2025-01-01to2025-12-31",
      "name": "dei:DocumentPeriodEndDate",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "h3",
       "div",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "c115545_ncsr-ixbrl.htm",
      "first": true
     },
     "uniqueAnchor": null
    },
    "R2": {
     "role": "http://xbrl.sec.gov/oef/role/ShareholderReport",
     "longName": "030001 - Disclosure - Shareholder Report",
     "shortName": "Shareholder Report",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "2",
     "firstAnchor": {
      "contextRef": "From2025-01-01to2025-12-31",
      "name": "dei:DocumentPeriodEndDate",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "h3",
       "div",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "c115545_ncsr-ixbrl.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "From2025-01-01to2025-12-31_C000253738Member",
      "name": "oef:FundName",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "h1",
       "div",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "c115545_ncsr-ixbrl.htm",
      "unique": true
     }
    },
    "R3": {
     "role": "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails",
     "longName": "040010 - Disclosure - Shareholder Report, Line Graph (Details)",
     "shortName": "Shareholder Report, Line Graph (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "3",
     "firstAnchor": {
      "contextRef": "From2025-01-01to2025-12-31_C000253738Member",
      "name": "oef:LineGraphAndTableMeasureName",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "th",
       "tr",
       "thead",
       "table",
       "oef:LineGraphTableTextBlock",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "c115545_ncsr-ixbrl.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "AsOf2025-12-31_ICEBofAUSBroadMarketIndex995BroadBasedIndexMember",
      "name": "oef:AcctVal",
      "unitRef": "USD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "oef:LineGraphTableTextBlock",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "c115545_ncsr-ixbrl.htm",
      "unique": true
     }
    },
    "R4": {
     "role": "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
     "longName": "040015 - Disclosure - Shareholder Report, Average Annual Return (Details)",
     "shortName": "Shareholder Report, Average Annual Return (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "4",
     "firstAnchor": {
      "contextRef": "From2025-01-01to2025-12-31_C000253738Member",
      "name": "oef:LineGraphAndTableMeasureName",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "th",
       "tr",
       "thead",
       "table",
       "oef:LineGraphTableTextBlock",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "c115545_ncsr-ixbrl.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "From2025-01-01to2025-12-31_C000253738Member_WithoutSalesLoadMember",
      "name": "oef:AvgAnnlRtrPct",
      "unitRef": "Pure",
      "xsiNil": "false",
      "lang": null,
      "decimals": "INF",
      "ancestors": [
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "div",
       "oef:AvgAnnlRtrTableTextBlock",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "c115545_ncsr-ixbrl.htm",
      "unique": true
     }
    },
    "R5": {
     "role": "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails",
     "longName": "040020 - Disclosure - Shareholder Report, Holdings (Details)",
     "shortName": "Shareholder Report, Holdings (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "5",
     "firstAnchor": {
      "contextRef": "AsOf2025-12-31_C000253738Member_A26377CTIMember",
      "name": "oef:PctOfNav",
      "unitRef": "Pure",
      "xsiNil": "false",
      "lang": null,
      "decimals": "INF",
      "ancestors": [
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "div",
       "oef:LargestHoldingsTableTextBlock",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "c115545_ncsr-ixbrl.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "AsOf2025-12-31_C000253738Member_A26377CTIMember",
      "name": "oef:PctOfNav",
      "unitRef": "Pure",
      "xsiNil": "false",
      "lang": null,
      "decimals": "INF",
      "ancestors": [
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "div",
       "oef:LargestHoldingsTableTextBlock",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "c115545_ncsr-ixbrl.htm",
      "first": true,
      "unique": true
     }
    }
   },
   "tag": {
    "veac_A12617CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A12617CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "12617"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A14294CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A14294CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "14294"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A1582CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A1582CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "1582"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A15956CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A15956CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "15956"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A16327CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A16327CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "16327"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A17708CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A17708CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "17708"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A1788CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A1788CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "1788"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A17918CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A17918CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "17918"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A18055CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A18055CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "18055"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A18157CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A18157CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "18157"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A18378CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A18378CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "18378"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A20495CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A20495CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "20495"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A22260CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A22260CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "22260"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A22499CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A22499CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "22499"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A224CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A224CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "224"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A23123CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A23123CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "23123"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A23254CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A23254CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "23254"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A23876CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A23876CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "23876"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A24156CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A24156CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "24156"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A24240CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A24240CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "24240"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A24378CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A24378CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "24378"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A24452CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A24452CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "24452"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A24637CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A24637CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "24637"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A25043CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A25043CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "25043"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A25067CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A25067CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "25067"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A25484CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A25484CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "25484"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A25507CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A25507CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "25507"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A25636CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A25636CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "25636"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A25663CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A25663CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "25663"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A25707CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A25707CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "25707"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A25721CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A25721CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "25721"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A25742CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A25742CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "25742"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A25868CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A25868CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "25868"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A25903CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A25903CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "25903"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A25909CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A25909CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "25909"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A26109CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A26109CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "26109"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A26377CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A26377CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "26377"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A26858CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A26858CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "26858"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A26983CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A26983CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "26983"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A27096CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A27096CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "27096"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A27097CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A27097CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "27097"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A27131CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A27131CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "27131"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A27133CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A27133CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "27133"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A27214CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A27214CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "27214"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A27525CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A27525CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "27525"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A27568CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A27568CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "27568"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A27884CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A27884CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "27884"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A27886CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A27886CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "27886"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A27964CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A27964CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "27964"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A28012CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A28012CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "28012"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A28233CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A28233CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "28233"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A4512CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A4512CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "4512"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A4536CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A4536CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "4536"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A7165CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A7165CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "7165"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A8424CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A8424CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "8424"
       }
      }
     },
     "auth_ref": []
    },
    "veac_A9279CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "A9279CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "9279"
       }
      }
     },
     "auth_ref": []
    },
    "veac_AGNCInvestmentCorpCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "AGNCInvestmentCorpCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "AGNC Investment Corp."
       }
      }
     },
     "auth_ref": []
    },
    "veac_ARMOURResidentialREITIncCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "ARMOURResidentialREITIncCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ARMOUR Residential REIT, Inc."
       }
      }
     },
     "auth_ref": []
    },
    "oef_AccountValueLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "AccountValueLineItems",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Account Value [Line Items]"
       }
      }
     },
     "auth_ref": [
      "r37"
     ]
    },
    "oef_AccountValueTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "AccountValueTable",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Account Value [Table]"
       }
      }
     },
     "auth_ref": [
      "r37"
     ]
    },
    "oef_AccountValueTableAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "AccountValueTableAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Account Value Table [Abstract]"
       }
      }
     },
     "auth_ref": [
      "r37"
     ]
    },
    "oef_AccountantChngDate": {
     "xbrltype": "dateItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "AccountantChngDate",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Accountant Change Date"
       }
      }
     },
     "auth_ref": [
      "r61"
     ]
    },
    "oef_AccountantChngDisagreementsTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "AccountantChngDisagreementsTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Accountant Change Disagreements [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r62"
     ]
    },
    "oef_AccountantChngStatementTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "AccountantChngStatementTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Accountant Change Statement [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r61"
     ]
    },
    "oef_AcctVal": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "AcctVal",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Account Value"
       }
      }
     },
     "auth_ref": [
      "r38"
     ]
    },
    "oef_AdditionalIndexAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "AdditionalIndexAxis",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Additional Index [Axis]"
       }
      }
     },
     "auth_ref": [
      "r37"
     ]
    },
    "oef_AdditionalIndexDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "AdditionalIndexDomain",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Additional Index [Domain]"
       }
      }
     },
     "auth_ref": [
      "r37"
     ]
    },
    "oef_AddlFundStatisticsSignificanceOrLimitsTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "AddlFundStatisticsSignificanceOrLimitsTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Additional Fund Statistics Significance or Limits [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r51"
     ]
    },
    "oef_AddlFundStatisticsTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "AddlFundStatisticsTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Additional Fund Statistics [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r50"
     ]
    },
    "oef_AddlInfoEmail": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "AddlInfoEmail",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Additional Information Email"
       }
      }
     },
     "auth_ref": [
      "r29"
     ]
    },
    "oef_AddlInfoPhoneNumber": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "AddlInfoPhoneNumber",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Additional Information Phone Number"
       }
      }
     },
     "auth_ref": [
      "r29"
     ]
    },
    "oef_AddlInfoTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "AddlInfoTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Additional Information [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r27"
     ]
    },
    "oef_AddlInfoWebsite": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "AddlInfoWebsite",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Additional Information Website"
       }
      }
     },
     "auth_ref": [
      "r29"
     ]
    },
    "oef_AdvisoryFeesPaidAmt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "AdvisoryFeesPaidAmt",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Advisory Fees Paid, Amount"
       }
      }
     },
     "auth_ref": [
      "r50"
     ]
    },
    "veac_AerospaceDefenseSectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "AerospaceDefenseSectorMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Aerospace &amp; Defense"
       }
      }
     },
     "auth_ref": []
    },
    "veac_AgnicoEagleMinesLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "AgnicoEagleMinesLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Agnico Eagle Mines Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_AirtelAfricaPLCCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "AirtelAfricaPLCCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Airtel Africa PLC"
       }
      }
     },
     "auth_ref": []
    },
    "veac_AlamosGoldIncCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "AlamosGoldIncCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Alamos Gold, Inc."
       }
      }
     },
     "auth_ref": []
    },
    "veac_AlbemarleCorpCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "AlbemarleCorpCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Albemarle Corp."
       }
      }
     },
     "auth_ref": []
    },
    "veac_AluparInvestimentoSACTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "AluparInvestimentoSACTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Alupar Investimento SA"
       }
      }
     },
     "auth_ref": []
    },
    "dei_AmendmentDescription": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "AmendmentDescription",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/NcsrCover",
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Amendment Description",
        "documentation": "Description of changes contained within amended document."
       }
      }
     },
     "auth_ref": []
    },
    "dei_AmendmentFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "AmendmentFlag",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/NcsrCover",
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Amendment Flag",
        "documentation": "Boolean flag that is true when the XBRL content amends previously-filed or accepted submission."
       }
      }
     },
     "auth_ref": []
    },
    "veac_AmmanMineralInternasionalPTCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "AmmanMineralInternasionalPTCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Amman Mineral Internasional PT"
       }
      }
     },
     "auth_ref": []
    },
    "veac_AngloAmericanPLCCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "AngloAmericanPLCCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Anglo American PLC"
       }
      }
     },
     "auth_ref": []
    },
    "veac_AnglogoldAshantiPLCCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "AnglogoldAshantiPLCCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Anglogold Ashanti PLC"
       }
      }
     },
     "auth_ref": []
    },
    "veac_AnnalyCapitalManagementIncCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "AnnalyCapitalManagementIncCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Annaly Capital Management, Inc."
       }
      }
     },
     "auth_ref": []
    },
    "oef_AnnlOrSemiAnnlStatementTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "AnnlOrSemiAnnlStatementTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Annual or Semi-Annual Statement [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r26"
     ]
    },
    "veac_AntofagastaPLCCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "AntofagastaPLCCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Antofagasta PLC"
       }
      }
     },
     "auth_ref": []
    },
    "veac_ArborRealtyTrustIncCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "ArborRealtyTrustIncCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Arbor Realty Trust, Inc."
       }
      }
     },
     "auth_ref": []
    },
    "veac_ArcelorMittalSACTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "ArcelorMittalSACTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ArcelorMittal SA"
       }
      }
     },
     "auth_ref": []
    },
    "veac_ArcherMinusDanielsMinusMidlandCoCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "ArcherMinusDanielsMinusMidlandCoCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Archer-Daniels-Midland Co."
       }
      }
     },
     "auth_ref": []
    },
    "veac_AresCapitalCorpCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "AresCapitalCorpCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Ares Capital Corp."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AssetsNet": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "AssetsNet",
     "crdr": "debit",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "AssetsNet",
        "documentation": "Amount of net assets (liabilities)."
       }
      }
     },
     "auth_ref": [
      "r0"
     ]
    },
    "veac_AstraInternationalTbkPTCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "AstraInternationalTbkPTCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Astra International Tbk PT"
       }
      }
     },
     "auth_ref": []
    },
    "veac_AttijariwafaBankCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "AttijariwafaBankCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Attijariwafa Bank"
       }
      }
     },
     "auth_ref": []
    },
    "veac_AutomobilesAutoPartsSectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "AutomobilesAutoPartsSectorMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Automobiles &amp; Auto Parts"
       }
      }
     },
     "auth_ref": []
    },
    "oef_AverageAnnualReturnAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "AverageAnnualReturnAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Average Annual Return:"
       }
      }
     },
     "auth_ref": [
      "r65"
     ]
    },
    "oef_AverageAnnualReturnLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "AverageAnnualReturnLineItems",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Average Annual Return [Line Items]"
       }
      }
     },
     "auth_ref": []
    },
    "oef_AverageAnnualReturnTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "AverageAnnualReturnTable",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Average Annual Return [Table]"
       }
      }
     },
     "auth_ref": []
    },
    "oef_AvgAnnlRtrPct": {
     "xbrltype": "percentItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "AvgAnnlRtrPct",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Average Annual Return, Percent"
       }
      }
     },
     "auth_ref": [
      "r44"
     ]
    },
    "oef_AvgAnnlRtrTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "AvgAnnlRtrTableTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Average Annual Return [Table Text Block]"
       }
      }
     },
     "auth_ref": [
      "r44"
     ]
    },
    "veac_BHPGroupLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "BHPGroupLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "BHP Group Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_BWXTechnologiesIncCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "BWXTechnologiesIncCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "BWX Technologies, Inc."
       }
      }
     },
     "auth_ref": []
    },
    "veac_BXPIncCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "BXPIncCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "BXP, Inc."
       }
      }
     },
     "auth_ref": []
    },
    "veac_BYDCoLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "BYDCoLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "BYD Co. Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_BakerHughesCoCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "BakerHughesCoCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Baker Hughes Co."
       }
      }
     },
     "auth_ref": []
    },
    "veac_BankCentralAsiaTbkPTCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "BankCentralAsiaTbkPTCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Bank Central Asia Tbk PT"
       }
      }
     },
     "auth_ref": []
    },
    "veac_BankHapoalimBMCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "BankHapoalimBMCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Bank Hapoalim BM"
       }
      }
     },
     "auth_ref": []
    },
    "veac_BankLeumiLeMinusIsraelBMCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "BankLeumiLeMinusIsraelBMCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Bank Leumi Le-Israel BM"
       }
      }
     },
     "auth_ref": []
    },
    "veac_BankMandiriPerseroTbkPTCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "BankMandiriPerseroTbkPTCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Bank Mandiri Persero Tbk PT"
       }
      }
     },
     "auth_ref": []
    },
    "veac_BankRakyatIndonesiaPerseroTbkPTCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "BankRakyatIndonesiaPerseroTbkPTCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Bank Rakyat Indonesia Persero Tbk PT"
       }
      }
     },
     "auth_ref": []
    },
    "veac_BankforForeignTradeofVietnamJSCCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "BankforForeignTradeofVietnamJSCCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Bank for Foreign Trade of Vietnam JSC"
       }
      }
     },
     "auth_ref": []
    },
    "veac_BanqueCentralePopulaireCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "BanqueCentralePopulaireCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Banque Centrale Populaire"
       }
      }
     },
     "auth_ref": []
    },
    "veac_BaritoPacificTbkPTCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "BaritoPacificTbkPTCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Barito Pacific Tbk PT"
       }
      }
     },
     "auth_ref": []
    },
    "veac_BaritoRenewablesEnergyTbkPTCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "BaritoRenewablesEnergyTbkPTCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Barito Renewables Energy Tbk PT"
       }
      }
     },
     "auth_ref": []
    },
    "veac_BarrickMiningCorpCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "BarrickMiningCorpCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Barrick Mining Corp."
       }
      }
     },
     "auth_ref": []
    },
    "veac_BasicMaterialsSectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "BasicMaterialsSectorMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Basic Materials"
       }
      }
     },
     "auth_ref": []
    },
    "veac_BayerAGCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "BayerAGCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Bayer AG"
       }
      }
     },
     "auth_ref": []
    },
    "veac_BharatElectronicsLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "BharatElectronicsLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Bharat Electronics Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_BhartiAirtelLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "BhartiAirtelLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Bharti Airtel Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_BlackstoneMortgageTrustIncCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "BlackstoneMortgageTrustIncCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Blackstone Mortgage Trust, Inc."
       }
      }
     },
     "auth_ref": []
    },
    "veac_BlackstoneSecuredLendingFundCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "BlackstoneSecuredLendingFundCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Blackstone Secured Lending Fund"
       }
      }
     },
     "auth_ref": []
    },
    "veac_BloomEnergyCorpCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "BloomEnergyCorpCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Bloom Energy Corp."
       }
      }
     },
     "auth_ref": []
    },
    "veac_BloombergCommodityIndexTotalReturn897AdditionalIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "BloombergCommodityIndexTotalReturn897AdditionalIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Bloomberg Commodity Index Total Return",
        "label": "Bloomberg Commodity Index Total Return_897"
       }
      }
     },
     "auth_ref": []
    },
    "veac_BlueOwlCapitalCorpCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "BlueOwlCapitalCorpCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Blue Owl Capital Corp."
       }
      }
     },
     "auth_ref": []
    },
    "veac_BlueStarIsraelGlobalIndex184AdditionalIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "BlueStarIsraelGlobalIndex184AdditionalIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "BlueStar\u00ae Israel Global Index",
        "label": "BlueStar\u00ae Israel Global Index_184"
       }
      }
     },
     "auth_ref": []
    },
    "veac_BolidenABCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "BolidenABCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Boliden AB"
       }
      }
     },
     "auth_ref": []
    },
    "veac_BravaEnergiaSACTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "BravaEnergiaSACTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Brava Energia SA"
       }
      }
     },
     "auth_ref": []
    },
    "oef_BroadBasedIndexAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "BroadBasedIndexAxis",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Broad Based Index [Axis]"
       }
      }
     },
     "auth_ref": [
      "r37"
     ]
    },
    "oef_BroadBasedIndexDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "BroadBasedIndexDomain",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Broad Based Index [Domain]"
       }
      }
     },
     "auth_ref": [
      "r37"
     ]
    },
    "veac_C000024980Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "C000024980Member",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport",
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "C000024980"
       }
      }
     },
     "auth_ref": []
    },
    "veac_C000037682Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "C000037682Member",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport",
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "C000037682"
       }
      }
     },
     "auth_ref": []
    },
    "veac_C000047031Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "C000047031Member",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport",
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "C000047031"
       }
      }
     },
     "auth_ref": []
    },
    "veac_C000047032Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "C000047032Member",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport",
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "C000047032"
       }
      }
     },
     "auth_ref": []
    },
    "veac_C000051120Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "C000051120Member",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport",
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "C000051120"
       }
      }
     },
     "auth_ref": []
    },
    "veac_C000051121Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "C000051121Member",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport",
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "C000051121"
       }
      }
     },
     "auth_ref": []
    },
    "veac_C000064328Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "C000064328Member",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport",
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "C000064328"
       }
      }
     },
     "auth_ref": []
    },
    "veac_C000066393Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "C000066393Member",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport",
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "C000066393"
       }
      }
     },
     "auth_ref": []
    },
    "veac_C000066397Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "C000066397Member",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport",
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "C000066397"
       }
      }
     },
     "auth_ref": []
    },
    "veac_C000070695Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "C000070695Member",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport",
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "C000070695"
       }
      }
     },
     "auth_ref": []
    },
    "veac_C000076451Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "C000076451Member",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport",
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "C000076451"
       }
      }
     },
     "auth_ref": []
    },
    "veac_C000081187Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "C000081187Member",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport",
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "C000081187"
       }
      }
     },
     "auth_ref": []
    },
    "veac_C000082390Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "C000082390Member",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport",
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "C000082390"
       }
      }
     },
     "auth_ref": []
    },
    "veac_C000088891Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "C000088891Member",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport",
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "C000088891"
       }
      }
     },
     "auth_ref": []
    },
    "veac_C000092114Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "C000092114Member",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport",
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "C000092114"
       }
      }
     },
     "auth_ref": []
    },
    "veac_C000098930Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "C000098930Member",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport",
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "C000098930"
       }
      }
     },
     "auth_ref": []
    },
    "veac_C000102386Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "C000102386Member",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport",
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "C000102386"
       }
      }
     },
     "auth_ref": []
    },
    "veac_C000102897Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "C000102897Member",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport",
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "C000102897"
       }
      }
     },
     "auth_ref": []
    },
    "veac_C000102898Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "C000102898Member",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport",
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "C000102898"
       }
      }
     },
     "auth_ref": []
    },
    "veac_C000105866Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "C000105866Member",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport",
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "C000105866"
       }
      }
     },
     "auth_ref": []
    },
    "veac_C000114511Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "C000114511Member",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport",
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "C000114511"
       }
      }
     },
     "auth_ref": []
    },
    "veac_C000127738Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "C000127738Member",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport",
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "C000127738"
       }
      }
     },
     "auth_ref": []
    },
    "veac_C000138289Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "C000138289Member",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport",
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "C000138289"
       }
      }
     },
     "auth_ref": []
    },
    "veac_C000146000Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "C000146000Member",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport",
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "C000146000"
       }
      }
     },
     "auth_ref": []
    },
    "veac_C000158570Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "C000158570Member",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport",
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "C000158570"
       }
      }
     },
     "auth_ref": []
    },
    "veac_C000231316Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "C000231316Member",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport",
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "C000231316"
       }
      }
     },
     "auth_ref": []
    },
    "veac_C000232971Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "C000232971Member",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport",
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "C000232971"
       }
      }
     },
     "auth_ref": []
    },
    "veac_C000236336Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "C000236336Member",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport",
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "C000236336"
       }
      }
     },
     "auth_ref": []
    },
    "veac_C000240390Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "C000240390Member",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport",
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "C000240390"
       }
      }
     },
     "auth_ref": []
    },
    "veac_C000244874Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "C000244874Member",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport",
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "C000244874"
       }
      }
     },
     "auth_ref": []
    },
    "veac_C000253738Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "C000253738Member",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport",
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "C000253738"
       }
      }
     },
     "auth_ref": []
    },
    "veac_CFIndustriesHoldingsIncCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "CFIndustriesHoldingsIncCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "CF Industries Holdings, Inc."
       }
      }
     },
     "auth_ref": []
    },
    "veac_CGNPowerCoLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "CGNPowerCoLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "CGN Power Co. Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_COPTDefensePropertiesCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "COPTDefensePropertiesCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "COPT Defense Properties"
       }
      }
     },
     "auth_ref": []
    },
    "veac_CamecoCorpCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "CamecoCorpCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cameco Corp."
       }
      }
     },
     "auth_ref": []
    },
    "veac_CapitalSouthwestCorpCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "CapitalSouthwestCorpCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Capital Southwest Corp."
       }
      }
     },
     "auth_ref": []
    },
    "veac_CentrusEnergyCorpCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "CentrusEnergyCorpCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Centrus Energy Corp."
       }
      }
     },
     "auth_ref": []
    },
    "veac_ChandraAsriPacificTbkPTCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "ChandraAsriPacificTbkPTCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Chandra Asri Pacific Tbk PT"
       }
      }
     },
     "auth_ref": []
    },
    "veac_CheckPointSoftwareTechnologiesLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "CheckPointSoftwareTechnologiesLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Check Point Software Technologies Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ChemicalsSectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "ChemicalsSectorMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Chemicals",
        "documentation": "Sector of economy consisting of companies engaged in business activity related to chemicals."
       }
      }
     },
     "auth_ref": [
      "r68",
      "r69",
      "r70",
      "r71"
     ]
    },
    "veac_ChevronCorpCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "ChevronCorpCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Chevron Corp."
       }
      }
     },
     "auth_ref": []
    },
    "veac_ChiNextIndex221AdditionalIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "ChiNextIndex221AdditionalIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "ChiNext Index",
        "label": "ChiNext Index_221"
       }
      }
     },
     "auth_ref": []
    },
    "veac_ChinaNorthernRareEarthGroupHighMinusTechCoLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "ChinaNorthernRareEarthGroupHighMinusTechCoLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "China Northern Rare Earth Group High-Tech Co. Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_CiaDeSanenaDoParanaCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "CiaDeSanenaDoParanaCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cia De Sanena Do Parana"
       }
      }
     },
     "auth_ref": []
    },
    "veac_CiadeSaneamentodeMinasGeraisCopasaMGCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "CiadeSaneamentodeMinasGeraisCopasaMGCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cia de Saneamento de Minas Gerais Copasa MG"
       }
      }
     },
     "auth_ref": []
    },
    "oef_ClassAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "ClassAxis",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport",
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Class [Axis]"
       }
      }
     },
     "auth_ref": [
      "r24"
     ]
    },
    "oef_ClassName": {
     "xbrltype": "securityTitleItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "ClassName",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Class Name"
       }
      }
     },
     "auth_ref": [
      "r29"
     ]
    },
    "veac_CoalIndiaLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "CoalIndiaLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Coal India Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_CoeurMiningIncCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "CoeurMiningIncCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Coeur Mining, Inc."
       }
      }
     },
     "auth_ref": []
    },
    "veac_CognaEducacaoSACTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "CognaEducacaoSACTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cogna Educacao SA"
       }
      }
     },
     "auth_ref": []
    },
    "veac_CollateralizedLoanObligationsSectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "CollateralizedLoanObligationsSectorMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Collateralized Loan Obligations"
       }
      }
     },
     "auth_ref": []
    },
    "veac_CommunicationServicesSectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "CommunicationServicesSectorMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Communication Services"
       }
      }
     },
     "auth_ref": []
    },
    "veac_ComputersPhonesHouseholdElectronicsSectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "ComputersPhonesHouseholdElectronicsSectorMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Computers Phones &amp; Household Electronics"
       }
      }
     },
     "auth_ref": []
    },
    "veac_ConstellationEnergyCorpCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "ConstellationEnergyCorpCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Constellation Energy Corp."
       }
      }
     },
     "auth_ref": []
    },
    "veac_ConsumerCyclicalsSectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "ConsumerCyclicalsSectorMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Consumer Cyclicals"
       }
      }
     },
     "auth_ref": []
    },
    "oef_ConsumerDiscretionarySectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "ConsumerDiscretionarySectorMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Consumer Discretionary Sector [Member]",
        "terseLabel": "Consumer Discretionary"
       }
      }
     },
     "auth_ref": [
      "r52"
     ]
    },
    "veac_ConsumerNonMinusCyclicalsSectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "ConsumerNonMinusCyclicalsSectorMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Consumer Non-Cyclicals"
       }
      }
     },
     "auth_ref": []
    },
    "oef_ConsumerStaplesSectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "ConsumerStaplesSectorMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Consumer Staples Sector [Member]",
        "terseLabel": "Consumer Staples"
       }
      }
     },
     "auth_ref": [
      "r52"
     ]
    },
    "veac_ContemporaryAmperexTechnologyCoLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "ContemporaryAmperexTechnologyCoLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Contemporary Amperex Technology Co. Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_CopperSectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "CopperSectorMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Copper"
       }
      }
     },
     "auth_ref": []
    },
    "veac_CortevaIncCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "CortevaIncCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Corteva, Inc."
       }
      }
     },
     "auth_ref": []
    },
    "veac_CousinsPropertiesIncCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "CousinsPropertiesIncCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cousins Properties, Inc."
       }
      }
     },
     "auth_ref": []
    },
    "dei_CoverAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "CoverAbstract",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Cover page."
       }
      }
     },
     "auth_ref": []
    },
    "oef_CreditQualityAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "CreditQualityAxis",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Credit Quality [Axis]"
       }
      }
     },
     "auth_ref": [
      "r52"
     ]
    },
    "oef_CreditQualityDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "CreditQualityDomain",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Credit Quality [Domain]"
       }
      }
     },
     "auth_ref": [
      "r52"
     ]
    },
    "oef_CreditQualityExplanationTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "CreditQualityExplanationTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Credit Quality Explanation [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r52"
     ]
    },
    "oef_CreditRatingsSelectionTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "CreditRatingsSelectionTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Credit Ratings Selection [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r52"
     ]
    },
    "veac_CuryConstrutoraeIncorporadoraSACTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "CuryConstrutoraeIncorporadoraSACTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cury Construtora e Incorporadora SA"
       }
      }
     },
     "auth_ref": []
    },
    "veac_CyberArkSoftwareLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "CyberArkSoftwareLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "CyberArk Software Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_CyrelaBrazilRealtySAEmpreendimentoseParticipacoesCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "CyrelaBrazilRealtySAEmpreendimentoseParticipacoesCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cyrela Brazil Realty SA Empreendimentos e Participacoes"
       }
      }
     },
     "auth_ref": []
    },
    "veac_DeereCoCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "DeereCoCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Deere &amp; Co."
       }
      }
     },
     "auth_ref": []
    },
    "veac_DenisonMinesCorpCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "DenisonMinesCorpCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Denison Mines Corp."
       }
      }
     },
     "auth_ref": []
    },
    "veac_DianSwastatikaSentosaTbkPTCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "DianSwastatikaSentosaTbkPTCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Dian Swastatika Sentosa Tbk PT"
       }
      }
     },
     "auth_ref": []
    },
    "oef_DistOfCapitalTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "DistOfCapitalTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Distribution of Capital [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r46"
     ]
    },
    "veac_DiversifiedMetalsMiningSectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "DiversifiedMetalsMiningSectorMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Diversified Metals &amp; Mining"
       }
      }
     },
     "auth_ref": []
    },
    "dei_DocumentPeriodEndDate": {
     "xbrltype": "dateItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "DocumentPeriodEndDate",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/NcsrCover",
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Document Period End Date",
        "documentation": "For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD."
       }
      }
     },
     "auth_ref": []
    },
    "dei_DocumentType": {
     "xbrltype": "submissionTypeItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "DocumentType",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/NcsrCover",
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Document Type",
        "documentation": "The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'."
       }
      }
     },
     "auth_ref": []
    },
    "veac_DynexCapitalIncCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "DynexCapitalIncCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Dynex Capital, Inc."
       }
      }
     },
     "auth_ref": []
    },
    "veac_ENEOSHoldingsIncCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "ENEOSHoldingsIncCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ENEOS Holdings, Inc."
       }
      }
     },
     "auth_ref": []
    },
    "veac_EROCopperCorpCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "EROCopperCorpCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ERO Copper Corp."
       }
      }
     },
     "auth_ref": []
    },
    "veac_EastMoneyInformationCoLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "EastMoneyInformationCoLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "East Money Information Co. Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_EicherMotorsLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "EicherMotorsLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Eicher Motors Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_ElbitSystemsLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "ElbitSystemsLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Elbit Systems Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_ElectricUtilitiesIPPsSectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "ElectricUtilitiesIPPsSectorMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Electric Utilities &amp; IPPs"
       }
      }
     },
     "auth_ref": []
    },
    "veac_ElectricalComponentsEquipmentSectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "ElectricalComponentsEquipmentSectorMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Electrical Components &amp; Equipment"
       }
      }
     },
     "auth_ref": []
    },
    "veac_ElectronicEquipmentPartsSectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "ElectronicEquipmentPartsSectorMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Electronic Equipment &amp; Parts"
       }
      }
     },
     "auth_ref": []
    },
    "veac_EllingtonFinancialIncCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "EllingtonFinancialIncCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Ellington Financial, Inc."
       }
      }
     },
     "auth_ref": []
    },
    "veac_EndeavourMiningPLCCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "EndeavourMiningPLCCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Endeavour Mining PLC"
       }
      }
     },
     "auth_ref": []
    },
    "veac_EnelSpACTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "EnelSpACTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Enel SpA"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_EnergySectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "EnergySectorMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Energy",
        "documentation": "Sector of economy consisting of companies engaged in business activity related to energy."
       }
      }
     },
     "auth_ref": [
      "r18",
      "r19",
      "r20",
      "r68",
      "r69",
      "r70",
      "r71"
     ]
    },
    "dei_EntityCentralIndexKey": {
     "xbrltype": "centralIndexKeyItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "EntityCentralIndexKey",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/NcsrCover",
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Central Index Key",
        "documentation": "A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK."
       }
      }
     },
     "auth_ref": [
      "r22"
     ]
    },
    "dei_EntityDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "EntityDomain",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Series",
        "documentation": "All the names of the entities being reported upon in a document. Any legal structure used to conduct activities or to hold assets. Some examples of such structures are corporations, partnerships, limited liability companies, grantor trusts, and other trusts. This item does not include business and geographical segments which are included in the geographical or business segments domains."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityInvCompanyType": {
     "xbrltype": "invCompanyType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "EntityInvCompanyType",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/NcsrCover",
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Investment Company Type",
        "documentation": "One of: N-1A (Mutual Fund), N-1 (Open-End Separate Account with No Variable Annuities), N-2 (Closed-End Investment Company), N-3 (Separate Account Registered as Open-End Management Investment Company), N-4 (Variable Annuity UIT Separate Account), N-5 (Small Business Investment Company), N-6 (Variable Life UIT Separate Account), S-1 or S-3 (Face Amount Certificate Company), S-6 (UIT, Non-Insurance Product)."
       }
      }
     },
     "auth_ref": [
      "r66"
     ]
    },
    "dei_EntityRegistrantName": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "EntityRegistrantName",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/NcsrCover",
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Registrant Name",
        "documentation": "The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC."
       }
      }
     },
     "auth_ref": [
      "r22"
     ]
    },
    "veac_EoptolinkTechnologyIncLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "EoptolinkTechnologyIncLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Eoptolink Technology, Inc. Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_EquinoxGoldCorpCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "EquinoxGoldCorpCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Equinox Gold Corp."
       }
      }
     },
     "auth_ref": []
    },
    "veac_EquityRealEstateInvestmentTrustsREITsSectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "EquityRealEstateInvestmentTrustsREITsSectorMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Equity Real Estate Investment Trusts (REITs)"
       }
      }
     },
     "auth_ref": []
    },
    "veac_EternalLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "EternalLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Eternal Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "oef_EtfDiscountNumDays": {
     "xbrltype": "integerItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "EtfDiscountNumDays",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ETF Discount, Number of Days"
       }
      }
     },
     "auth_ref": [
      "r47"
     ]
    },
    "oef_EtfPastPerfTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "EtfPastPerfTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ETF Past Performance [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r49"
     ]
    },
    "oef_EtfPremiumDiscountTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "EtfPremiumDiscountTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ETF Premium Discount [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r47"
     ]
    },
    "oef_EtfPremiumNumDays": {
     "xbrltype": "integerItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "EtfPremiumNumDays",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ETF Premium, Number of Days"
       }
      }
     },
     "auth_ref": [
      "r47"
     ]
    },
    "oef_EtfPurchaseExplanationTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "EtfPurchaseExplanationTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ETF Purchase Explanation [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r48"
     ]
    },
    "veac_EvolutionMiningLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "EvolutionMiningLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Evolution Mining Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "oef_ExpenseRatioPct": {
     "xbrltype": "percentItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "ExpenseRatioPct",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Expense Ratio, Percent"
       }
      }
     },
     "auth_ref": [
      "r32"
     ]
    },
    "oef_ExpensesExclExtraordinaryExpensesPct": {
     "xbrltype": "percentItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "ExpensesExclExtraordinaryExpensesPct",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Expenses Excluding Extraordinary Expenses, Percent"
       }
      }
     },
     "auth_ref": [
      "r35"
     ]
    },
    "oef_ExpensesPaidAmt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "ExpensesPaidAmt",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Expenses Paid, Amount"
       }
      }
     },
     "auth_ref": [
      "r31"
     ]
    },
    "oef_ExpensesRepresentBothMasterAndFeeder": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "ExpensesRepresentBothMasterAndFeeder",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Expenses Represent Both Master and Feeder [Text]"
       }
      }
     },
     "auth_ref": [
      "r33",
      "r63"
     ]
    },
    "oef_ExpensesShortPeriodFnTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "ExpensesShortPeriodFnTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Expenses Short Period Footnote [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r34"
     ]
    },
    "oef_ExpensesTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "ExpensesTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Expenses [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r30"
     ]
    },
    "oef_ExposureBasisExplanationTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "ExposureBasisExplanationTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Exposure Basis Explanation [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r52"
     ]
    },
    "oef_ExtraordinaryExpensesFnTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "ExtraordinaryExpensesFnTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Extraordinary Expenses Footnote [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r35"
     ]
    },
    "veac_ExxonMobilCorpCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "ExxonMobilCorpCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Exxon Mobil Corp."
       }
      }
     },
     "auth_ref": []
    },
    "veac_FSKKRCapitalCorpCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "FSKKRCapitalCorpCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "FS KKR Capital Corp."
       }
      }
     },
     "auth_ref": []
    },
    "veac_FTSEChineseBroadBond0Minus10YearsDiversifiedSelectIndex234AdditionalIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "FTSEChineseBroadBond0Minus10YearsDiversifiedSelectIndex234AdditionalIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "FTSE Chinese Broad Bond 0-10 Years Diversified Select Index",
        "label": "FTSE Chinese Broad Bond 0-10 Years Diversified Select Index_234"
       }
      }
     },
     "auth_ref": []
    },
    "oef_FactorsAffectingPerfTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "FactorsAffectingPerfTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Factors Affecting Performance [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r36"
     ]
    },
    "veac_FertilizersAgriculturalChemicalsSectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "FertilizersAgriculturalChemicalsSectorMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fertilizers &amp; Agricultural Chemicals"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FinancialServicesSectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "FinancialServicesSectorMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Financial Services",
        "documentation": "Sector of the economy consisting of companies engaged in financial services."
       }
      }
     },
     "auth_ref": [
      "r18",
      "r21",
      "r68",
      "r69",
      "r70",
      "r71"
     ]
    },
    "veac_FinancialsSectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "FinancialsSectorMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Financials"
       }
      }
     },
     "auth_ref": []
    },
    "veac_FirstQuantumMineralsLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "FirstQuantumMineralsLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "First Quantum Minerals Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_FirstSolarIncCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "FirstSolarIncCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "First Solar, Inc."
       }
      }
     },
     "auth_ref": []
    },
    "veac_FleurySACTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "FleurySACTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fleury SA"
       }
      }
     },
     "auth_ref": []
    },
    "veac_FoodTobaccoSectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "FoodTobaccoSectorMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Food &amp; Tobacco"
       }
      }
     },
     "auth_ref": []
    },
    "veac_FortescueLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "FortescueLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fortescue Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_FrancoMinusNevadaCorpCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "FrancoMinusNevadaCorpCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Franco-Nevada Corp."
       }
      }
     },
     "auth_ref": []
    },
    "veac_FreeportMinusMcMoRanIncCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "FreeportMinusMcMoRanIncCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Freeport-McMoRan, Inc."
       }
      }
     },
     "auth_ref": []
    },
    "oef_FundName": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "FundName",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fund Name"
       }
      }
     },
     "auth_ref": [
      "r25"
     ]
    },
    "veac_GalpEnergiaSGPSSACTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "GalpEnergiaSGPSSACTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Galp Energia SGPS SA"
       }
      }
     },
     "auth_ref": []
    },
    "veac_GanfengLithiumGroupCoLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "GanfengLithiumGroupCoLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Ganfeng Lithium Group Co. Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "oef_GeographicRegionAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "GeographicRegionAxis",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Geographic Region [Axis]"
       }
      }
     },
     "auth_ref": [
      "r52"
     ]
    },
    "oef_GeographicRegionDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "GeographicRegionDomain",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Geographic Region [Domain]"
       }
      }
     },
     "auth_ref": [
      "r52"
     ]
    },
    "veac_GlencorePLCCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "GlencorePLCCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Glencore PLC"
       }
      }
     },
     "auth_ref": []
    },
    "veac_GoldFieldsLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "GoldFieldsLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Gold Fields Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_GoldSectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "GoldSectorMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Gold"
       }
      }
     },
     "auth_ref": []
    },
    "veac_GolubCapitalBDCIncCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "GolubCapitalBDCIncCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Golub Capital BDC, Inc."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_GovernmentSectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "GovernmentSectorMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Government",
        "documentation": "Sector of the economy consisting of government agencies and authorities."
       }
      }
     },
     "auth_ref": [
      "r21",
      "r68",
      "r69",
      "r70",
      "r71"
     ]
    },
    "veac_GrupoMexicoSABdeCVCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "GrupoMexicoSABdeCVCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Grupo Mexico SAB de CV"
       }
      }
     },
     "auth_ref": []
    },
    "veac_GuarantyTrustHoldingCoPLCCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "GuarantyTrustHoldingCoPLCCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Guaranty Trust Holding Co. PLC"
       }
      }
     },
     "auth_ref": []
    },
    "veac_HCLTechnologiesLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "HCLTechnologiesLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "HCL Technologies Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_HalliburtonCoCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "HalliburtonCoCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Halliburton Co."
       }
      }
     },
     "auth_ref": []
    },
    "veac_HealthcareEquipmentSuppliesSectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "HealthcareEquipmentSuppliesSectorMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Healthcare Equipment &amp; Supplies"
       }
      }
     },
     "auth_ref": []
    },
    "veac_HealthcareProvidersServicesSectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "HealthcareProvidersServicesSectorMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Healthcare Providers &amp; Services"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_HealthcareSectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "HealthcareSectorMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Health Care",
        "documentation": "Sector of the economy consisting of companies engaged in healthcare-related business activities."
       }
      }
     },
     "auth_ref": [
      "r18",
      "r19",
      "r20",
      "r21",
      "r68",
      "r69",
      "r70",
      "r71"
     ]
    },
    "veac_HeclaMiningCoCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "HeclaMiningCoCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Hecla Mining Co."
       }
      }
     },
     "auth_ref": []
    },
    "veac_HerculesCapitalIncCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "HerculesCapitalIncCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Hercules Capital, Inc."
       }
      }
     },
     "auth_ref": []
    },
    "veac_HighwoodsPropertiesIncCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "HighwoodsPropertiesIncCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Highwoods Properties, Inc."
       }
      }
     },
     "auth_ref": []
    },
    "veac_HindustanAeronauticsLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "HindustanAeronauticsLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Hindustan Aeronautics Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_HoaPhatGroupJSCCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "HoaPhatGroupJSCCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Hoa Phat Group JSC"
       }
      }
     },
     "auth_ref": []
    },
    "oef_HoldingsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "HoldingsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Holdings [Abstract]"
       }
      }
     },
     "auth_ref": [
      "r52"
     ]
    },
    "oef_HoldingsCount": {
     "xbrltype": "integerItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "HoldingsCount",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Holdings Count"
       }
      }
     },
     "auth_ref": [
      "r50"
     ]
    },
    "oef_HoldingsLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "HoldingsLineItems",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Holdings [Line Items]"
       }
      }
     },
     "auth_ref": [
      "r52"
     ]
    },
    "oef_HoldingsTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "HoldingsTable",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Holdings [Table]"
       }
      }
     },
     "auth_ref": [
      "r52"
     ]
    },
    "oef_HoldingsTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "HoldingsTableTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Holdings [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r52"
     ]
    },
    "veac_IAMGOLDCorpCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "IAMGOLDCorpCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "IAMGOLD Corp."
       }
      }
     },
     "auth_ref": []
    },
    "veac_ICEBofAGlobalBroadMarketIndex81BroadBasedIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "ICEBofAGlobalBroadMarketIndex81BroadBasedIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "ICE BofA Global Broad Market Index",
        "label": "ICE BofA Global Broad Market Index_81"
       }
      }
     },
     "auth_ref": []
    },
    "veac_ICEBofAGlobalBroadMarketPlusIndex234BroadBasedIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "ICEBofAGlobalBroadMarketPlusIndex234BroadBasedIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "ICE BofA Global Broad Market Plus Index",
        "label": "ICE BofA Global Broad Market Plus Index_234"
       }
      }
     },
     "auth_ref": []
    },
    "veac_ICEBofAGlobalBroadMarketPlusIndex57BroadBasedIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "ICEBofAGlobalBroadMarketPlusIndex57BroadBasedIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "ICE BofA Global Broad Market Plus Index",
        "label": "ICE BofA Global Broad Market Plus Index_57"
       }
      }
     },
     "auth_ref": []
    },
    "veac_ICEBofAMLGlobalexMinusUSIssuersHighYieldConstrainedIndex81AdditionalIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "ICEBofAMLGlobalexMinusUSIssuersHighYieldConstrainedIndex81AdditionalIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "ICE BofA ML Global ex-US Issuers High Yield Constrained Index",
        "label": "ICE BofA ML Global ex-US Issuers High Yield Constrained Index_81"
       }
      }
     },
     "auth_ref": []
    },
    "veac_ICEBofAUSBroadMarketIndex158BroadBasedIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "ICEBofAUSBroadMarketIndex158BroadBasedIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "ICE BofA US Broad Market Index",
        "label": "ICE BofA US Broad Market Index_158"
       }
      }
     },
     "auth_ref": []
    },
    "veac_ICEBofAUSBroadMarketIndex816BroadBasedIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "ICEBofAUSBroadMarketIndex816BroadBasedIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "ICE BofA US Broad Market Index",
        "label": "ICE BofA US Broad Market Index_816"
       }
      }
     },
     "auth_ref": []
    },
    "veac_ICEBofAUSBroadMarketIndex995BroadBasedIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "ICEBofAUSBroadMarketIndex995BroadBasedIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "ICE BofA US Broad Market Index",
        "label": "ICE BofA US Broad Market Index_995"
       }
      }
     },
     "auth_ref": []
    },
    "veac_ICEExchangeMinusListedFixedAdjustableRateNonMinusFinancialPreferredSecuritiesIndex158AdditionalIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "ICEExchangeMinusListedFixedAdjustableRateNonMinusFinancialPreferredSecuritiesIndex158AdditionalIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "ICE Exchange-Listed Fixed &amp; Adjustable Rate Non-Financial Preferred Securities Index",
        "label": "ICE Exchange-Listed Fixed &amp; Adjustable Rate Non-Financial Preferred Securities Index_158"
       }
      }
     },
     "auth_ref": []
    },
    "veac_ICICIBankLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "ICICIBankLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ICICI Bank Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_IberdrolaSACTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "IberdrolaSACTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Iberdrola SA"
       }
      }
     },
     "auth_ref": []
    },
    "veac_IdemitsuKosanCoLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "IdemitsuKosanCoLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Idemitsu Kosan Co. Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_IguatemiSACTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "IguatemiSACTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Iguatemi SA"
       }
      }
     },
     "auth_ref": []
    },
    "oef_InabilityToMeetDistLevelTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "InabilityToMeetDistLevelTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Inability to Meet Distribution Level [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r46"
     ]
    },
    "veac_IndustrialsSectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "IndustrialsSectorMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Industrials"
       }
      }
     },
     "auth_ref": []
    },
    "veac_IndustriasPenolesSABdeCVCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "IndustriasPenolesSABdeCVCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Industrias Penoles SAB de CV"
       }
      }
     },
     "auth_ref": []
    },
    "oef_IndustrySectorAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "IndustrySectorAxis",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Industry Sector [Axis]"
       }
      }
     },
     "auth_ref": [
      "r52"
     ]
    },
    "oef_IndustrySectorDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "IndustrySectorDomain",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Industry Sector [Domain]"
       }
      }
     },
     "auth_ref": [
      "r52"
     ]
    },
    "oef_InformationTechnologySectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "InformationTechnologySectorMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Information Technology Sector [Member]",
        "terseLabel": "Information Technology"
       }
      }
     },
     "auth_ref": [
      "r52"
     ]
    },
    "veac_InfosysLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "InfosysLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Infosys Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_InvestmentBankingInvestmentServicesSectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "InvestmentBankingInvestmentServicesSectorMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Investment Banking &amp; Investment Services"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_InvestmentCompanyPortfolioTurnover": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "InvestmentCompanyPortfolioTurnover",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "InvestmentCompanyPortfolioTurnover",
        "documentation": "Percentage of lesser of purchase or sale of portfolio securities to average value of portfolio securities owned."
       }
      }
     },
     "auth_ref": [
      "r67"
     ]
    },
    "us-gaap_InvestmentTypeAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "InvestmentTypeAxis",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by type of investments."
       }
      }
     },
     "auth_ref": [
      "r1",
      "r2",
      "r3",
      "r4",
      "r5",
      "r6",
      "r7",
      "r8",
      "r9",
      "r10",
      "r11",
      "r12",
      "r13",
      "r14",
      "r15",
      "r16",
      "r21"
     ]
    },
    "us-gaap_InvestmentTypeCategorizationMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "InvestmentTypeCategorizationMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Asset obtained to generate income or appreciate in value."
       }
      }
     },
     "auth_ref": [
      "r1",
      "r2",
      "r3",
      "r4",
      "r5",
      "r6",
      "r7",
      "r8",
      "r9",
      "r10",
      "r11",
      "r12",
      "r13",
      "r14",
      "r15",
      "r16",
      "r21"
     ]
    },
    "veac_IsraelDiscountBankLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "IsraelDiscountBankLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Israel Discount Bank Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_IvanhoeMinesLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "IvanhoeMinesLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Ivanhoe Mines Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_JPMorganCLOIEBalancedMezzanineIndex995AdditionalIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "JPMorganCLOIEBalancedMezzanineIndex995AdditionalIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "J.P. Morgan CLOIE Balanced Mezzanine Index",
        "label": "J.P. Morgan CLOIE Balanced Mezzanine Index_995"
       }
      }
     },
     "auth_ref": []
    },
    "veac_JPMorganCLOIGIndex816AdditionalIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "JPMorganCLOIGIndex816AdditionalIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "J.P. Morgan CLO IG Index",
        "label": "J.P. Morgan CLO IG Index_816"
       }
      }
     },
     "auth_ref": []
    },
    "veac_JPMorganCollateralizedLoanObligationIndex816AdditionalIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "JPMorganCollateralizedLoanObligationIndex816AdditionalIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "J.P. Morgan Collateralized Loan Obligation Index",
        "label": "J.P. Morgan Collateralized Loan Obligation Index_816"
       }
      }
     },
     "auth_ref": []
    },
    "veac_JPMorganGBIMinusEMGCoreIndex57AdditionalIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "JPMorganGBIMinusEMGCoreIndex57AdditionalIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "JPMorgan GBI-EMG Core Index",
        "label": "JPMorgan GBI-EMG Core Index_57"
       }
      }
     },
     "auth_ref": []
    },
    "veac_JinduichengMolybdenumCoLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "JinduichengMolybdenumCoLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Jinduicheng Molybdenum Co. Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_JioFinancialServicesLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "JioFinancialServicesLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Jio Financial Services Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_KilroyRealtyCorpCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "KilroyRealtyCorpCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Kilroy Realty Corp."
       }
      }
     },
     "auth_ref": []
    },
    "veac_KingspanGroupPLCCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "KingspanGroupPLCCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Kingspan Group PLC"
       }
      }
     },
     "auth_ref": []
    },
    "veac_KinrossGoldCorpCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "KinrossGoldCorpCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Kinross Gold Corp."
       }
      }
     },
     "auth_ref": []
    },
    "veac_KubotaCorpCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "KubotaCorpCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Kubota Corp."
       }
      }
     },
     "auth_ref": []
    },
    "oef_LargestHoldingAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "LargestHoldingAxis",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Largest Holding [Axis]"
       }
      }
     },
     "auth_ref": [
      "r52"
     ]
    },
    "oef_LargestHoldingsDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "LargestHoldingsDomain",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Largest Holdings [Domain]"
       }
      }
     },
     "auth_ref": [
      "r52"
     ]
    },
    "oef_LargestHoldingsTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "LargestHoldingsTableTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Largest Holdings [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r52"
     ]
    },
    "dei_LegalEntityAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "LegalEntityAxis",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Series [Axis]",
        "documentation": "The set of legal entities associated with a report."
       }
      }
     },
     "auth_ref": []
    },
    "veac_LibertyEnergyIncCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "LibertyEnergyIncCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Liberty Energy, Inc."
       }
      }
     },
     "auth_ref": []
    },
    "oef_LineGraphAndTableMeasureName": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "LineGraphAndTableMeasureName",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Line Graph and Table Measure Name"
       }
      }
     },
     "auth_ref": [
      "r38"
     ]
    },
    "oef_LineGraphTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "LineGraphTableTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Line Graph [Table Text Block]"
       }
      }
     },
     "auth_ref": [
      "r37"
     ]
    },
    "veac_LynasRareEarthsLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "LynasRareEarthsLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Lynas Rare Earths Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_MPMaterialsCorpCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MPMaterialsCorpCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "MP Materials Corp."
       }
      }
     },
     "auth_ref": []
    },
    "veac_MSCIACWIIndex11BroadBasedIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MSCIACWIIndex11BroadBasedIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "MSCI ACWI Index",
        "label": "MSCI ACWI Index_11"
       }
      }
     },
     "auth_ref": []
    },
    "veac_MSCIACWIIndex12BroadBasedIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MSCIACWIIndex12BroadBasedIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "MSCI ACWI Index",
        "label": "MSCI ACWI Index_12"
       }
      }
     },
     "auth_ref": []
    },
    "veac_MSCIACWIIndex184BroadBasedIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MSCIACWIIndex184BroadBasedIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "MSCI ACWI Index",
        "label": "MSCI ACWI Index_184"
       }
      }
     },
     "auth_ref": []
    },
    "veac_MSCIACWIIndex1BroadBasedIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MSCIACWIIndex1BroadBasedIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "MSCI ACWI Index",
        "label": "MSCI ACWI Index_1"
       }
      }
     },
     "auth_ref": []
    },
    "veac_MSCIACWIIndex221BroadBasedIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MSCIACWIIndex221BroadBasedIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "MSCI ACWI Index",
        "label": "MSCI ACWI Index_221"
       }
      }
     },
     "auth_ref": []
    },
    "veac_MSCIACWIIndex322BroadBasedIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MSCIACWIIndex322BroadBasedIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "MSCI ACWI Index",
        "label": "MSCI ACWI Index_322"
       }
      }
     },
     "auth_ref": []
    },
    "veac_MSCIACWIIndex3BroadBasedIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MSCIACWIIndex3BroadBasedIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "MSCI ACWI Index",
        "label": "MSCI ACWI Index_3"
       }
      }
     },
     "auth_ref": []
    },
    "veac_MSCIACWIIndex42BroadBasedIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MSCIACWIIndex42BroadBasedIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "MSCI ACWI Index",
        "label": "MSCI ACWI Index_42"
       }
      }
     },
     "auth_ref": []
    },
    "veac_MSCIACWIIndex45BroadBasedIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MSCIACWIIndex45BroadBasedIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "MSCI ACWI Index",
        "label": "MSCI ACWI Index_45"
       }
      }
     },
     "auth_ref": []
    },
    "veac_MSCIACWIIndex48BroadBasedIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MSCIACWIIndex48BroadBasedIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "MSCI ACWI Index",
        "label": "MSCI ACWI Index_48"
       }
      }
     },
     "auth_ref": []
    },
    "veac_MSCIACWIIndex4BroadBasedIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MSCIACWIIndex4BroadBasedIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "MSCI ACWI Index",
        "label": "MSCI ACWI Index_4"
       }
      }
     },
     "auth_ref": []
    },
    "veac_MSCIACWIIndex50BroadBasedIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MSCIACWIIndex50BroadBasedIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "MSCI ACWI Index",
        "label": "MSCI ACWI Index_50"
       }
      }
     },
     "auth_ref": []
    },
    "veac_MSCIACWIIndex58BroadBasedIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MSCIACWIIndex58BroadBasedIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "MSCI ACWI Index",
        "label": "MSCI ACWI Index_58"
       }
      }
     },
     "auth_ref": []
    },
    "veac_MSCIACWIIndex59BroadBasedIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MSCIACWIIndex59BroadBasedIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "MSCI ACWI Index",
        "label": "MSCI ACWI Index_59"
       }
      }
     },
     "auth_ref": []
    },
    "veac_MSCIACWIIndex5BroadBasedIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MSCIACWIIndex5BroadBasedIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "MSCI ACWI Index",
        "label": "MSCI ACWI Index_5"
       }
      }
     },
     "auth_ref": []
    },
    "veac_MSCIACWIIndex66BroadBasedIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MSCIACWIIndex66BroadBasedIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "MSCI ACWI Index",
        "label": "MSCI ACWI Index_66"
       }
      }
     },
     "auth_ref": []
    },
    "veac_MSCIACWIIndex6BroadBasedIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MSCIACWIIndex6BroadBasedIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "MSCI ACWI Index",
        "label": "MSCI ACWI Index_6"
       }
      }
     },
     "auth_ref": []
    },
    "veac_MSCIACWIIndex728BroadBasedIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MSCIACWIIndex728BroadBasedIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "MSCI ACWI Index",
        "label": "MSCI ACWI Index_728"
       }
      }
     },
     "auth_ref": []
    },
    "veac_MSCIACWIIndex777BroadBasedIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MSCIACWIIndex777BroadBasedIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "MSCI ACWI Index",
        "label": "MSCI ACWI Index_777"
       }
      }
     },
     "auth_ref": []
    },
    "veac_MSCIACWIIndex7BroadBasedIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MSCIACWIIndex7BroadBasedIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "MSCI ACWI Index",
        "label": "MSCI ACWI Index_7"
       }
      }
     },
     "auth_ref": []
    },
    "veac_MSCIACWIIndex88BroadBasedIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MSCIACWIIndex88BroadBasedIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "MSCI ACWI Index",
        "label": "MSCI ACWI Index_88"
       }
      }
     },
     "auth_ref": []
    },
    "veac_MVISBrazilSmallMinusCapIndex45AdditionalIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MVISBrazilSmallMinusCapIndex45AdditionalIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "MVIS\u00ae Brazil Small-Cap Index",
        "label": "MVIS\u00ae Brazil Small-Cap Index_45"
       }
      }
     },
     "auth_ref": []
    },
    "veac_MVISDigitalIndiaIndex777AdditionalIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MVISDigitalIndiaIndex777AdditionalIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "MVIS\u00ae Digital India Index",
        "label": "MVIS\u00ae Digital India Index_777"
       }
      }
     },
     "auth_ref": []
    },
    "veac_MVISGDPAfricaIndex12AdditionalIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MVISGDPAfricaIndex12AdditionalIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "MVIS\u00ae GDP Africa Index",
        "label": "MVIS\u00ae GDP Africa Index_12"
       }
      }
     },
     "auth_ref": []
    },
    "veac_MVISGlobalAgribusinessIndex7AdditionalIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MVISGlobalAgribusinessIndex7AdditionalIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "MVIS\u00ae Global Agribusiness Index",
        "label": "MVIS\u00ae Global Agribusiness Index_7"
       }
      }
     },
     "auth_ref": []
    },
    "veac_MVISGlobalCleanMinusTechMetalsIndex728AdditionalIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MVISGlobalCleanMinusTechMetalsIndex728AdditionalIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "MVIS\u00ae Global Clean-Tech Metals Index",
        "label": "MVIS\u00ae Global Clean-Tech Metals Index_728"
       }
      }
     },
     "auth_ref": []
    },
    "veac_MVISGlobalJuniorGoldMinersIndex50AdditionalIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MVISGlobalJuniorGoldMinersIndex50AdditionalIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "MVIS\u00ae Global Junior Gold Miners Index",
        "label": "MVIS\u00ae Global Junior Gold Miners Index_50"
       }
      }
     },
     "auth_ref": []
    },
    "veac_MVISGlobalLowCarbonEnergyIndex4AdditionalIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MVISGlobalLowCarbonEnergyIndex4AdditionalIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "MVIS\u00ae Global Low Carbon Energy Index",
        "label": "MVIS\u00ae Global Low Carbon Energy Index_4"
       }
      }
     },
     "auth_ref": []
    },
    "veac_MVISGlobalOilRefinersIndex322AdditionalIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MVISGlobalOilRefinersIndex322AdditionalIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "MVIS\u00ae Global Oil Refiners Index",
        "label": "MVIS\u00ae Global Oil Refiners Index_322"
       }
      }
     },
     "auth_ref": []
    },
    "veac_MVISGlobalRareEarthStrategicMetalsIndex59AdditionalIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MVISGlobalRareEarthStrategicMetalsIndex59AdditionalIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "MVIS\u00ae Global Rare Earth/Strategic Metals Index",
        "label": "MVIS\u00ae Global Rare Earth/Strategic Metals Index_59"
       }
      }
     },
     "auth_ref": []
    },
    "veac_MVISGlobalUraniumNuclearEnergyIndex6AdditionalIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MVISGlobalUraniumNuclearEnergyIndex6AdditionalIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "MVIS\u00ae Global Uranium &amp; Nuclear Energy Index",
        "label": "MVIS\u00ae Global Uranium &amp; Nuclear Energy Index_6"
       }
      }
     },
     "auth_ref": []
    },
    "veac_MVISIndonesiaIndex42AdditionalIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MVISIndonesiaIndex42AdditionalIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "MVIS\u00ae Indonesia Index",
        "label": "MVIS\u00ae Indonesia Index_42"
       }
      }
     },
     "auth_ref": []
    },
    "veac_MVISUSBusinessDevelopmentCompaniesIndex175AdditionalIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MVISUSBusinessDevelopmentCompaniesIndex175AdditionalIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "MVIS\u00ae US Business Development Companies Index",
        "label": "MVIS\u00ae US Business Development Companies Index_175"
       }
      }
     },
     "auth_ref": []
    },
    "veac_MVISUSListedOilServices25Index88AdditionalIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MVISUSListedOilServices25Index88AdditionalIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "MVIS\u00ae US Listed Oil Services 25 Index",
        "label": "MVIS\u00ae US Listed Oil Services 25 Index_88"
       }
      }
     },
     "auth_ref": []
    },
    "veac_MVISUSMortgageREITsIndex72AdditionalIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MVISUSMortgageREITsIndex72AdditionalIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "MVIS\u00ae US Mortgage REITs Index",
        "label": "MVIS\u00ae US Mortgage REITs Index_72"
       }
      }
     },
     "auth_ref": []
    },
    "veac_MainStreetCapitalCorpCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MainStreetCapitalCorpCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Main Street Capital Corp."
       }
      }
     },
     "auth_ref": []
    },
    "veac_MarathonPetroleumCorpCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MarathonPetroleumCorpCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Marathon Petroleum Corp."
       }
      }
     },
     "auth_ref": []
    },
    "veac_MarketGraderIndiaAllMinusCapGrowthLeadersIndex58AdditionalIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MarketGraderIndiaAllMinusCapGrowthLeadersIndex58AdditionalIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Market Grader India All-Cap Growth Leaders Index",
        "label": "Market Grader India All-Cap Growth Leaders Index_58"
       }
      }
     },
     "auth_ref": []
    },
    "veac_MarketVectorGlobalGoldMinersIndex1AdditionalIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MarketVectorGlobalGoldMinersIndex1AdditionalIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "MarketVector\u2122 Global Gold Miners Index",
        "label": "MarketVector\u2122 Global Gold Miners Index_1"
       }
      }
     },
     "auth_ref": []
    },
    "veac_MarketVectorGlobalNaturalResourcesIndex11AdditionalIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MarketVectorGlobalNaturalResourcesIndex11AdditionalIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "MarketVector\u2122 Global Natural Resources Index",
        "label": "MarketVector\u2122 Global Natural Resources Index_11"
       }
      }
     },
     "auth_ref": []
    },
    "veac_MarketVectorGlobalSteelIndex3AdditionalIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MarketVectorGlobalSteelIndex3AdditionalIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "MarketVector\u2122 Global Steel Index",
        "label": "MarketVector\u2122 Global Steel Index_3"
       }
      }
     },
     "auth_ref": []
    },
    "veac_MarketVectorUSListedOfficeandCommercialREITsIndex902AdditionalIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MarketVectorUSListedOfficeandCommercialREITsIndex902AdditionalIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "MarketVector\u2122 US Listed Office and Commercial REITs Index",
        "label": "MarketVector\u2122 US Listed Office and Commercial REITs Index_902"
       }
      }
     },
     "auth_ref": []
    },
    "veac_MarketVectorVietnamLocalIndex48AdditionalIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MarketVectorVietnamLocalIndex48AdditionalIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "MarketVector\u2122 Vietnam Local Index",
        "label": "MarketVector\u2122 Vietnam Local Index_48"
       }
      }
     },
     "auth_ref": []
    },
    "veac_MasanGroupCorpCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MasanGroupCorpCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Masan Group Corp."
       }
      }
     },
     "auth_ref": []
    },
    "oef_MaterialChngDate": {
     "xbrltype": "dateItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "MaterialChngDate",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Material Change Date"
       }
      }
     },
     "auth_ref": [
      "r42"
     ]
    },
    "oef_MaterialChngDescriptionTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "MaterialChngDescriptionTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Material Change Description [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r42"
     ]
    },
    "oef_MaterialFundChngAdviserTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "MaterialFundChngAdviserTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Material Fund Change Adviser [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r59"
     ]
    },
    "oef_MaterialFundChngExpensesTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "MaterialFundChngExpensesTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Material Fund Change Expenses [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r56"
     ]
    },
    "oef_MaterialFundChngNameTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "MaterialFundChngNameTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Material Fund Change Name [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r54"
     ]
    },
    "oef_MaterialFundChngNoticeTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "MaterialFundChngNoticeTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Material Fund Change Notice [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r28"
     ]
    },
    "oef_MaterialFundChngObjectivesTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "MaterialFundChngObjectivesTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Material Fund Change Objectives [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r55"
     ]
    },
    "oef_MaterialFundChngRisksChngTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "MaterialFundChngRisksChngTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Material Fund Change Risks Change [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r58"
     ]
    },
    "oef_MaterialFundChngStrategiesTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "MaterialFundChngStrategiesTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Material Fund Change Strategies [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r57"
     ]
    },
    "oef_MaterialFundChngTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "MaterialFundChngTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Material Fund Change [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r53"
     ]
    },
    "oef_MaterialsSectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "MaterialsSectorMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Materials Sector [Member]",
        "terseLabel": "Materials"
       }
      }
     },
     "auth_ref": [
      "r52"
     ]
    },
    "oef_MaturityAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "MaturityAxis",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Maturity [Axis]"
       }
      }
     },
     "auth_ref": [
      "r52"
     ]
    },
    "oef_MaturityDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "MaturityDomain",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Maturity [Domain]"
       }
      }
     },
     "auth_ref": [
      "r52"
     ]
    },
    "veac_MizrahiTefahotBankLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MizrahiTefahotBankLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Mizrahi Tefahot Bank Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_MoneyMarketFundSectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MoneyMarketFundSectorMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Money Market Fund"
       }
      }
     },
     "auth_ref": []
    },
    "veac_MorganStanleyDirectLendingFundCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MorganStanleyDirectLendingFundCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Morgan Stanley Direct Lending Fund"
       }
      }
     },
     "auth_ref": []
    },
    "veac_MowiASACTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MowiASACTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Mowi ASA"
       }
      }
     },
     "auth_ref": []
    },
    "veac_MultilineUtilitiesSectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "MultilineUtilitiesSectorMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Multiline Utilities"
       }
      }
     },
     "auth_ref": []
    },
    "veac_NOVIncCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "NOVIncCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "NOV, Inc."
       }
      }
     },
     "auth_ref": []
    },
    "veac_NYSEArcaGoldMinersIndex1AdditionalIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "NYSEArcaGoldMinersIndex1AdditionalIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "NYSE Arca Gold Miners Index",
        "label": "NYSE Arca Gold Miners Index_1"
       }
      }
     },
     "auth_ref": []
    },
    "veac_NYSEArcaSteelIndex3AdditionalIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "NYSEArcaSteelIndex3AdditionalIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "NYSE Arca Steel Index",
        "label": "NYSE Arca Steel Index_3"
       }
      }
     },
     "auth_ref": []
    },
    "veac_NaspersLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "NaspersLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Naspers Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_NesteOyjCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "NesteOyjCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Neste Oyj"
       }
      }
     },
     "auth_ref": []
    },
    "veac_NewmontCorpCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "NewmontCorpCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Newmont Corp."
       }
      }
     },
     "auth_ref": []
    },
    "veac_NexGenEnergyLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "NexGenEnergyLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "NexGen Energy Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_NextEraEnergyIncCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "NextEraEnergyIncCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "NextEra Energy, Inc."
       }
      }
     },
     "auth_ref": []
    },
    "veac_NipponSteelCorpCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "NipponSteelCorpCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Nippon Steel Corp."
       }
      }
     },
     "auth_ref": []
    },
    "oef_NoDeductionOfTaxesTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "NoDeductionOfTaxesTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "No Deduction of Taxes [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r39"
     ]
    },
    "dei_NoTradingSymbolFlag": {
     "xbrltype": "trueItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "NoTradingSymbolFlag",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "No Trading Symbol [Flag]",
        "documentation": "Boolean flag that is true only for a security having no trading symbol."
       }
      }
     },
     "auth_ref": []
    },
    "veac_NobleCorpPLCCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "NobleCorpPLCCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Noble Corp. PLC"
       }
      }
     },
     "auth_ref": []
    },
    "veac_NorthernStarResourcesLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "NorthernStarResourcesLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Northern Star Resources Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_NucorCorpCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "NucorCorpCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Nucor Corp."
       }
      }
     },
     "auth_ref": []
    },
    "veac_NutrienLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "NutrienLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Nutrien Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_OMVAGCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "OMVAGCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "OMV AG"
       }
      }
     },
     "auth_ref": []
    },
    "veac_ORLENSACTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "ORLENSACTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ORLEN SA"
       }
      }
     },
     "auth_ref": []
    },
    "veac_OilGasDrillingSectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "OilGasDrillingSectorMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Oil &amp; Gas Drilling"
       }
      }
     },
     "auth_ref": []
    },
    "veac_OilGasEquipmentServicesSectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "OilGasEquipmentServicesSectorMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Oil &amp; Gas Equipment &amp; Services"
       }
      }
     },
     "auth_ref": []
    },
    "veac_OkloIncCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "OkloIncCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Oklo, Inc."
       }
      }
     },
     "auth_ref": []
    },
    "veac_OrchidIslandCapitalIncCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "OrchidIslandCapitalIncCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Orchid Island Capital, Inc."
       }
      }
     },
     "auth_ref": []
    },
    "oef_OtherCategory1Axis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "OtherCategory1Axis",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other Category 1 [Axis]"
       }
      }
     },
     "auth_ref": [
      "r52"
     ]
    },
    "oef_OtherCategory1Domain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "OtherCategory1Domain",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other Category 1 [Domain]"
       }
      }
     },
     "auth_ref": [
      "r52"
     ]
    },
    "oef_OtherCategory2Axis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "OtherCategory2Axis",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other Category 2 [Axis]"
       }
      }
     },
     "auth_ref": [
      "r52"
     ]
    },
    "oef_OtherCategory2Domain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "OtherCategory2Domain",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other Category 2 [Domain]"
       }
      }
     },
     "auth_ref": [
      "r52"
     ]
    },
    "veac_OtherSectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "OtherSectorMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other"
       }
      }
     },
     "auth_ref": []
    },
    "veac_OtherassetsandliabilitiesSectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "OtherassetsandliabilitiesSectorMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other assets and liabilities"
       }
      }
     },
     "auth_ref": []
    },
    "veac_PBFintechLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "PBFintechLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "PB Fintech Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_PGECorpCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "PGECorpCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "PG&amp;E Corp."
       }
      }
     },
     "auth_ref": []
    },
    "veac_PLSGroupLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "PLSGroupLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "PLS Group Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_PanAmericanSilverCorpCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "PanAmericanSilverCorpCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Pan American Silver Corp."
       }
      }
     },
     "auth_ref": []
    },
    "oef_PctOfNav": {
     "xbrltype": "percentItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "PctOfNav",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Percent of Net Asset Value"
       }
      }
     },
     "auth_ref": [
      "r52"
     ]
    },
    "oef_PctOfNetLongExposure": {
     "xbrltype": "percentItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "PctOfNetLongExposure",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Percent of Net Long Exposure"
       }
      }
     },
     "auth_ref": [
      "r52"
     ]
    },
    "oef_PctOfNetShortExposure": {
     "xbrltype": "percentItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "PctOfNetShortExposure",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Percent of Net Short Exposure"
       }
      }
     },
     "auth_ref": [
      "r52"
     ]
    },
    "oef_PctOfTotalInv": {
     "xbrltype": "percentItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "PctOfTotalInv",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Percent of Total Investments"
       }
      }
     },
     "auth_ref": [
      "r52"
     ]
    },
    "oef_PctOfTotalLongExposure": {
     "xbrltype": "percentItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "PctOfTotalLongExposure",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Percent of Total Long Exposure"
       }
      }
     },
     "auth_ref": [
      "r52"
     ]
    },
    "oef_PctOfTotalShortExposure": {
     "xbrltype": "percentItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "PctOfTotalShortExposure",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Percent of Total Short Exposure"
       }
      }
     },
     "auth_ref": [
      "r52"
     ]
    },
    "oef_PerfInceptionDate": {
     "xbrltype": "dateItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "PerfInceptionDate",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Performance Inception Date"
       }
      }
     },
     "auth_ref": [
      "r38"
     ]
    },
    "oef_PerfTableMarketIndexChngdTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "PerfTableMarketIndexChngdTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Performance Table Market Index Changed [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r45"
     ]
    },
    "oef_PerformancePastDoesNotIndicateFuture": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "PerformancePastDoesNotIndicateFuture",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Performance Past Does Not Indicate Future [Text]"
       }
      }
     },
     "auth_ref": [
      "r40",
      "r64"
     ]
    },
    "veac_PerseusMiningLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "PerseusMiningLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Perseus Mining Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_Phillips66CTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "Phillips66CTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Phillips 66"
       }
      }
     },
     "auth_ref": []
    },
    "veac_PhoenixFinancialLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "PhoenixFinancialLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Phoenix Financial Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_PreciousMetalsMineralsSectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "PreciousMetalsMineralsSectorMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Precious Metals &amp; Minerals"
       }
      }
     },
     "auth_ref": []
    },
    "oef_PreviousInvestmentAdviserTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "PreviousInvestmentAdviserTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Previous Investment Adviser [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r41"
     ]
    },
    "oef_PriorMarketIndexComparisonTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "PriorMarketIndexComparisonTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Prior Market Index Comparison [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r45"
     ]
    },
    "veac_PrologisIncCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "PrologisIncCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Prologis, Inc."
       }
      }
     },
     "auth_ref": []
    },
    "veac_PublicServiceEnterpriseGroupIncCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "PublicServiceEnterpriseGroupIncCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Public Service Enterprise Group, Inc."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_RealEstateSectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "RealEstateSectorMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Real Estate",
        "documentation": "Sector of the economy consisting of companies engaged in real estate business activities."
       }
      }
     },
     "auth_ref": [
      "r17",
      "r18",
      "r68",
      "r69",
      "r70",
      "r71"
     ]
    },
    "veac_RealtyIncomeCorpCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "RealtyIncomeCorpCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Realty Income Corp."
       }
      }
     },
     "auth_ref": []
    },
    "veac_RelianceIncCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "RelianceIncCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Reliance, Inc."
       }
      }
     },
     "auth_ref": []
    },
    "veac_RelianceIndustriesLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "RelianceIndustriesLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Reliance Industries Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_ResidentialCommercialREITsSectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "ResidentialCommercialREITsSectorMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Residential &amp; Commercial REITs"
       }
      }
     },
     "auth_ref": []
    },
    "veac_RioTintoLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "RioTintoLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Rio Tinto Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_RioTintoPLCCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "RioTintoPLCCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Rio Tinto PLC"
       }
      }
     },
     "auth_ref": []
    },
    "veac_RithmCapitalCorpCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "RithmCapitalCorpCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Rithm Capital Corp."
       }
      }
     },
     "auth_ref": []
    },
    "veac_RivianAutomotiveIncCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "RivianAutomotiveIncCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Rivian Automotive, Inc."
       }
      }
     },
     "auth_ref": []
    },
    "veac_RoyalGoldIncCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "RoyalGoldIncCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Royal Gold, Inc."
       }
      }
     },
     "auth_ref": []
    },
    "veac_SLBLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "SLBLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "SLB Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_SLGreenRealtyCorpCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "SLGreenRealtyCorpCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "SL Green Realty Corp."
       }
      }
     },
     "auth_ref": []
    },
    "veac_SP500Index175BroadBasedIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "SP500Index175BroadBasedIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "S&amp;P 500 Index",
        "label": "S&amp;P 500 Index_175"
       }
      }
     },
     "auth_ref": []
    },
    "veac_SP500Index45AdditionalIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "SP500Index45AdditionalIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "S&amp;P 500 Index",
        "label": "S&amp;P 500 Index_45"
       }
      }
     },
     "auth_ref": []
    },
    "veac_SP500Index72BroadBasedIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "SP500Index72BroadBasedIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "S&amp;P 500 Index",
        "label": "S&amp;P 500 Index_72"
       }
      }
     },
     "auth_ref": []
    },
    "veac_SP500Index897BroadBasedIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "SP500Index897BroadBasedIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "S&amp;P 500 Index",
        "label": "S&amp;P 500 Index_897"
       }
      }
     },
     "auth_ref": []
    },
    "veac_SP500Index902BroadBasedIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "SP500Index902BroadBasedIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "S&amp;P 500 Index",
        "label": "S&amp;P 500 Index_902"
       }
      }
     },
     "auth_ref": []
    },
    "veac_SSISecuritiesCorpCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "SSISecuritiesCorpCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "SSI Securities Corp."
       }
      }
     },
     "auth_ref": []
    },
    "oef_SalesLoadAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "SalesLoadAxis",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Sales Load [Axis]"
       }
      }
     },
     "auth_ref": [
      "r44"
     ]
    },
    "dei_SecurityExchangeName": {
     "xbrltype": "edgarExchangeCodeItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "SecurityExchangeName",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Security Exchange Name",
        "terseLabel": "Exchange",
        "documentation": "Name of the Exchange on which a security is registered."
       }
      }
     },
     "auth_ref": [
      "r23"
     ]
    },
    "veac_SemiconductorsSemiconductorEquipmentSectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "SemiconductorsSemiconductorEquipmentSectorMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Semiconductors &amp; Semiconductor Equipment"
       }
      }
     },
     "auth_ref": []
    },
    "oef_ShareClassDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "ShareClassDomain",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport",
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share Classes"
       }
      }
     },
     "auth_ref": [
      "r24"
     ]
    },
    "oef_ShareholderReportAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "ShareholderReportAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Shareholder Report [Abstract]"
       }
      }
     },
     "auth_ref": [
      "r44"
     ]
    },
    "oef_ShareholderReportAnnualOrSemiAnnual": {
     "xbrltype": "shareholderReportTypeItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "ShareholderReportAnnualOrSemiAnnual",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Shareholder Report Annual or Semi-Annual"
       }
      }
     },
     "auth_ref": [
      "r26"
     ]
    },
    "oef_ShareholderReportLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "ShareholderReportLineItems",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/NcsrCover",
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Shareholder Report [Line Items]"
       }
      }
     },
     "auth_ref": [
      "r44"
     ]
    },
    "oef_ShareholderReportTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "ShareholderReportTable",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/NcsrCover",
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Shareholder Report [Table]"
       }
      }
     },
     "auth_ref": [
      "r44"
     ]
    },
    "veac_ShellPLCCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "ShellPLCCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Shell PLC"
       }
      }
     },
     "auth_ref": []
    },
    "veac_ShengheResourcesHoldingCoLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "ShengheResourcesHoldingCoLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Shenghe Resources Holding Co. Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_ShenzhenInovanceTechnologyCoLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "ShenzhenInovanceTechnologyCoLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Shenzhen Inovance Technology Co. Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_ShenzhenMindrayBioMinusMedicalElectronicsCoLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "ShenzhenMindrayBioMinusMedicalElectronicsCoLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Shenzhen Mindray Bio-Medical Electronics Co. Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_SilverSectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "SilverSectorMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Silver"
       }
      }
     },
     "auth_ref": []
    },
    "veac_SimonPropertyGroupIncCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "SimonPropertyGroupIncCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Simon Property Group, Inc."
       }
      }
     },
     "auth_ref": []
    },
    "veac_SixthStreetSpecialtyLendingIncCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "SixthStreetSpecialtyLendingIncCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Sixth Street Specialty Lending, Inc."
       }
      }
     },
     "auth_ref": []
    },
    "veac_SociedadQuimicayMineradeChileSACTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "SociedadQuimicayMineradeChileSACTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Sociedad Quimica y Minera de Chile SA"
       }
      }
     },
     "auth_ref": []
    },
    "veac_SoftwareITServicesSectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "SoftwareITServicesSectorMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Software &amp; IT Services"
       }
      }
     },
     "auth_ref": []
    },
    "veac_SouthernCopperCorpCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "SouthernCopperCorpCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Southern Copper Corp."
       }
      }
     },
     "auth_ref": []
    },
    "veac_SpecialtyChemicalsSectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "SpecialtyChemicalsSectorMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Specialty Chemicals"
       }
      }
     },
     "auth_ref": []
    },
    "veac_StarwoodPropertyTrustIncCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "StarwoodPropertyTrustIncCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Starwood Property Trust, Inc."
       }
      }
     },
     "auth_ref": []
    },
    "veac_StateBankofIndiaCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "StateBankofIndiaCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "State Bank of India"
       }
      }
     },
     "auth_ref": []
    },
    "veac_SteelDynamicsIncCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "SteelDynamicsIncCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Steel Dynamics, Inc."
       }
      }
     },
     "auth_ref": []
    },
    "oef_SummaryOfChngLegendTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "SummaryOfChngLegendTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Summary of Change Legend [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r60"
     ]
    },
    "veac_SungrowPowerSupplyCoLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "SungrowPowerSupplyCoLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Sungrow Power Supply Co. Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_SuzhouTFCOpticalCommunicationCoLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "SuzhouTFCOpticalCommunicationCoLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Suzhou TFC Optical Communication Co. Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_TataConsultancyServicesLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "TataConsultancyServicesLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Tata Consultancy Services Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_TechMahindraLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "TechMahindraLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Tech Mahindra Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_TechnipFMCPLCCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "TechnipFMCPLCCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "TechnipFMC PLC"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_TechnologySectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2024",
     "localname": "TechnologySectorMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Technology",
        "documentation": "Sector of the economy consisting of companies engaged in technology-related business activities."
       }
      }
     },
     "auth_ref": [
      "r21",
      "r68",
      "r69",
      "r70",
      "r71"
     ]
    },
    "veac_TeckResourcesLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "TeckResourcesLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Teck Resources Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_TelecommunicationsServicesSectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "TelecommunicationsServicesSectorMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Telecommunications Services"
       }
      }
     },
     "auth_ref": []
    },
    "veac_TelkomIndonesiaPerseroTbkPTCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "TelkomIndonesiaPerseroTbkPTCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Telkom Indonesia Persero Tbk PT"
       }
      }
     },
     "auth_ref": []
    },
    "veac_TenarisSACTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "TenarisSACTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Tenaris SA"
       }
      }
     },
     "auth_ref": []
    },
    "veac_TeslaIncCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "TeslaIncCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Tesla, Inc."
       }
      }
     },
     "auth_ref": []
    },
    "veac_TevaPharmaceuticalIndustriesLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "TevaPharmaceuticalIndustriesLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Teva Pharmaceutical Industries Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_TowerSemiconductorLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "TowerSemiconductorLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Tower Semiconductor Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "dei_TradingSymbol": {
     "xbrltype": "tradingSymbolItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "TradingSymbol",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trading Symbol",
        "terseLabel": "Ticker",
        "documentation": "Trading symbol of an instrument as listed on an exchange."
       }
      }
     },
     "auth_ref": []
    },
    "veac_TransoceanLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "TransoceanLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Transocean Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_TrentLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "TrentLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trent Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_TysonFoodsIncCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "TysonFoodsIncCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Tyson Foods, Inc."
       }
      }
     },
     "auth_ref": []
    },
    "veac_UBSCMCommodityIndex897AdditionalIndexMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "UBSCMCommodityIndex897AdditionalIndexMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails",
      "http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "UBS CM Commodity Index",
        "label": "UBS CM Commodity Index_897"
       }
      }
     },
     "auth_ref": []
    },
    "veac_UnitedStatesTreasuriesSectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "UnitedStatesTreasuriesSectorMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "United States Treasuries"
       }
      }
     },
     "auth_ref": []
    },
    "oef_UpdPerfInfoLocationTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "UpdPerfInfoLocationTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Updated Performance Information Location [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r43"
     ]
    },
    "oef_UpdProspectusEmailAddress": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "UpdProspectusEmailAddress",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Updated Prospectus Email Address"
       }
      }
     },
     "auth_ref": [
      "r60"
     ]
    },
    "oef_UpdProspectusPhoneNumber": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "UpdProspectusPhoneNumber",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Updated Prospectus Phone Number"
       }
      }
     },
     "auth_ref": [
      "r60"
     ]
    },
    "oef_UpdProspectusWebAddress": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "UpdProspectusWebAddress",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReport"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Updated Prospectus Web Address"
       }
      }
     },
     "auth_ref": [
      "r60"
     ]
    },
    "oef_UtilitiesSectorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "UtilitiesSectorMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Utilities Sector [Member]",
        "terseLabel": "Utilities"
       }
      }
     },
     "auth_ref": [
      "r52"
     ]
    },
    "veac_VIXSecuritiesJSCCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "VIXSecuritiesJSCCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "VIX Securities JSC"
       }
      }
     },
     "auth_ref": []
    },
    "veac_ValeSACTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "ValeSACTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Vale SA"
       }
      }
     },
     "auth_ref": []
    },
    "veac_ValeroEnergyCorpCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "ValeroEnergyCorpCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Valero Energy Corp."
       }
      }
     },
     "auth_ref": []
    },
    "veac_ValterraPlatinumLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "ValterraPlatinumLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Valterra Platinum Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_VestasWindSystemsASCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "VestasWindSystemsASCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Vestas Wind Systems A/S"
       }
      }
     },
     "auth_ref": []
    },
    "veac_VictoryGiantTechnologyHuizhouCoLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "VictoryGiantTechnologyHuizhouCoLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Victory Giant Technology Huizhou Co. Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_VietjetAviationJSCCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "VietjetAviationJSCCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Vietjet Aviation JSC"
       }
      }
     },
     "auth_ref": []
    },
    "veac_VietnamDairyProductsJSCCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "VietnamDairyProductsJSCCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Vietnam Dairy Products JSC"
       }
      }
     },
     "auth_ref": []
    },
    "veac_VincomRetailJSCCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "VincomRetailJSCCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Vincom Retail JSC"
       }
      }
     },
     "auth_ref": []
    },
    "veac_VingroupJSCCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "VingroupJSCCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Vingroup JSC"
       }
      }
     },
     "auth_ref": []
    },
    "veac_VinhomesJSCCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "VinhomesJSCCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Vinhomes JSC"
       }
      }
     },
     "auth_ref": []
    },
    "veac_VornadoRealtyTrustCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "VornadoRealtyTrustCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Vornado Realty Trust"
       }
      }
     },
     "auth_ref": []
    },
    "veac_WeatherfordInternationalPLCCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "WeatherfordInternationalPLCCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Weatherford International PLC"
       }
      }
     },
     "auth_ref": []
    },
    "veac_WensFoodstuffGroupCoLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "WensFoodstuffGroupCoLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Wens Foodstuff Group Co. Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_WheatonPreciousMetalsCorpCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "WheatonPreciousMetalsCorpCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Wheaton Precious Metals Corp."
       }
      }
     },
     "auth_ref": []
    },
    "veac_WiproLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "WiproLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Wipro Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "oef_WithSalesLdMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "WithSalesLoadMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "With Sales Load [Member]"
       }
      }
     },
     "auth_ref": [
      "r44"
     ]
    },
    "oef_WithoutSalesLoadMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/oef/2024",
     "localname": "WithoutSalesLoadMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Without Sales Load [Member]"
       }
      }
     },
     "auth_ref": [
      "r44"
     ]
    },
    "veac_XiamenTungstenCoLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "XiamenTungstenCoLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Xiamen Tungsten Co. Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_ZhongjiInnolightCoLtdCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "ZhongjiInnolightCoLtdCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Zhongji Innolight Co. Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "veac_ZoetisIncCTIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://veac/20251231",
     "localname": "ZoetisIncCTIMember",
     "presentation": [
      "http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Zoetis, Inc."
       }
      }
     },
     "auth_ref": []
    }
   }
  }
 },
 "std_ref": {
  "r0": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "SubTopic": "30",
   "Topic": "205",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147479910/205-30-50-1"
  },
  "r1": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(b)(1)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147478795/946-210-50-1"
  },
  "r2": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(c)(1)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147478795/946-210-50-1"
  },
  "r3": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(c)(2)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147478795/946-210-50-1"
  },
  "r4": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6",
   "Subparagraph": "(a)(1)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147478795/946-210-50-6"
  },
  "r5": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147478795/946-210-50-6"
  },
  "r6": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "320",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.12-12(Column A)(Footnote 1))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-1"
  },
  "r7": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "320",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.12-12(Column C)(Footnote 5))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-1"
  },
  "r8": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "320",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "2",
   "Subparagraph": "(SX 210.12-12A(Column C)(Footnote 4))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-2"
  },
  "r9": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "320",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "3",
   "Subparagraph": "(SX 210.12-12B(Column A)(Footnote 7))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-3"
  },
  "r10": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "320",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "3",
   "Subparagraph": "(SX 210.12-12B(Column C)(Footnote 2))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-3"
  },
  "r11": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "320",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "5D",
   "Subparagraph": "(SX 210.12-13D(Column A)(Footnote 2)(i))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-5D"
  },
  "r12": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "320",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "6",
   "Subparagraph": "(SX 210.12-14(Column F)(Footnote 7))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-6"
  },
  "r13": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "320",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "7",
   "Subparagraph": "(SX 210.12-15(Column A))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-7"
  },
  "r14": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "320",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "7",
   "Subparagraph": "(SX 210.12-15(Column B))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-7"
  },
  "r15": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "320",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "7",
   "Subparagraph": "(SX 210.12-15(Column C))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-7"
  },
  "r16": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "320",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "7",
   "Subparagraph": "(SX 210.12-15(Column D))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-7"
  },
  "r17": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "326",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "55",
   "Paragraph": "12",
   "Subparagraph": "(c)(1)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147479294/326-20-55-12"
  },
  "r18": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "820",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "55",
   "Paragraph": "100",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482078/820-10-55-100"
  },
  "r19": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "820",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "55",
   "Paragraph": "101",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482078/820-10-55-101"
  },
  "r20": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "820",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "55",
   "Paragraph": "103",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482078/820-10-55-103"
  },
  "r21": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "946",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "55",
   "Paragraph": "1",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477439/946-210-55-1"
  },
  "r22": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "12",
   "Subsection": "b-2"
  },
  "r23": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "12",
   "Subsection": "d1-1"
  },
  "r24": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-1A",
   "Section": "1",
   "Subsection": "a",
   "Paragraph": "1"
  },
  "r25": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-1A",
   "Section": "27A",
   "Subsection": "b",
   "Paragraph": "1"
  },
  "r26": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-1A",
   "Section": "27A",
   "Subsection": "b",
   "Paragraph": "3"
  },
  "r27": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-1A",
   "Section": "27A",
   "Subsection": "b",
   "Paragraph": "4"
  },
  "r28": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-1A",
   "Section": "27A",
   "Subsection": "b",
   "Paragraph": "5"
  },
  "r29": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-1A",
   "Section": "27A",
   "Subsection": "b",
   "Paragraph": "instruction",
   "Subparagraph": "2"
  },
  "r30": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-1A",
   "Section": "27A",
   "Subsection": "c"
  },
  "r31": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-1A",
   "Section": "27A",
   "Subsection": "c",
   "Paragraph": "ii"
  },
  "r32": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-1A",
   "Section": "27A",
   "Subsection": "c",
   "Paragraph": "iii"
  },
  "r33": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-1A",
   "Section": "27A",
   "Subsection": "c",
   "Paragraph": "instruction",
   "Sentence": "1",
   "Clause": "b"
  },
  "r34": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-1A",
   "Section": "27A",
   "Subsection": "c",
   "Paragraph": "instruction",
   "Subparagraph": "1",
   "Clause": "c"
  },
  "r35": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-1A",
   "Section": "27A",
   "Subsection": "c",
   "Paragraph": "instruction",
   "Subparagraph": "1",
   "Clause": "d"
  },
  "r36": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-1A",
   "Section": "27A",
   "Subsection": "d",
   "Paragraph": "1"
  },
  "r37": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-1A",
   "Section": "27A",
   "Subsection": "d",
   "Paragraph": "2"
  },
  "r38": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-1A",
   "Section": "27A",
   "Subsection": "d",
   "Paragraph": "2",
   "Subparagraph": "i"
  },
  "r39": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-1A",
   "Section": "27A",
   "Subsection": "d",
   "Paragraph": "2",
   "Subparagraph": "iii",
   "Clause": "B"
  },
  "r40": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-1A",
   "Section": "27A",
   "Subsection": "d",
   "Paragraph": "2",
   "Subparagraph": "iiii",
   "Clause": "A"
  },
  "r41": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-1A",
   "Section": "27A",
   "Subsection": "d",
   "Paragraph": "2",
   "Subparagraph": "instruction",
   "Clause": "12"
  },
  "r42": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-1A",
   "Section": "27A",
   "Subsection": "d",
   "Paragraph": "2",
   "Subparagraph": "instruction",
   "Clause": "14"
  },
  "r43": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-1A",
   "Section": "27A",
   "Subsection": "d",
   "Paragraph": "2",
   "Subparagraph": "instruction",
   "Clause": "15"
  },
  "r44": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-1A",
   "Section": "27A",
   "Subsection": "d",
   "Paragraph": "2",
   "Subparagraph": "instruction",
   "Clause": "7"
  },
  "r45": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-1A",
   "Section": "27A",
   "Subsection": "d",
   "Paragraph": "2",
   "Subparagraph": "instruction",
   "Clause": "8"
  },
  "r46": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-1A",
   "Section": "27A",
   "Subsection": "d",
   "Paragraph": "3"
  },
  "r47": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-1A",
   "Section": "27A",
   "Subsection": "d",
   "Paragraph": "4"
  },
  "r48": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-1A",
   "Section": "27A",
   "Subsection": "d",
   "Paragraph": "4",
   "Subparagraph": "instruction",
   "Clause": "3"
  },
  "r49": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-1A",
   "Section": "27A",
   "Subsection": "d",
   "Paragraph": "4",
   "Subparagraph": "instruction",
   "Clause": "4"
  },
  "r50": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-1A",
   "Section": "27A",
   "Subsection": "e"
  },
  "r51": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-1A",
   "Section": "27A",
   "Subsection": "e",
   "Paragraph": "instruction",
   "Subparagraph": "6"
  },
  "r52": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-1A",
   "Section": "27A",
   "Subsection": "f"
  },
  "r53": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-1A",
   "Section": "27A",
   "Subsection": "g"
  },
  "r54": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-1A",
   "Section": "27A",
   "Subsection": "g",
   "Paragraph": "1"
  },
  "r55": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-1A",
   "Section": "27A",
   "Subsection": "g",
   "Paragraph": "2"
  },
  "r56": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-1A",
   "Section": "27A",
   "Subsection": "g",
   "Paragraph": "3"
  },
  "r57": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-1A",
   "Section": "27A",
   "Subsection": "g",
   "Paragraph": "4"
  },
  "r58": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-1A",
   "Section": "27A",
   "Subsection": "g",
   "Paragraph": "5"
  },
  "r59": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-1A",
   "Section": "27A",
   "Subsection": "g",
   "Paragraph": "6"
  },
  "r60": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-1A",
   "Section": "27A",
   "Subsection": "g",
   "Paragraph": "instruction",
   "Subparagraph": "2"
  },
  "r61": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-1A",
   "Section": "27A",
   "Subsection": "h",
   "Paragraph": "1"
  },
  "r62": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-1A",
   "Section": "27A",
   "Subsection": "h",
   "Paragraph": "2"
  },
  "r63": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-1A",
   "Section": "3",
   "Subsection": "instruction",
   "Paragraph": "1",
   "Subparagraph": "d",
   "Sentence": "i"
  },
  "r64": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-1A",
   "Section": "4",
   "Subsection": "b",
   "Paragraph": "2",
   "Subparagraph": "i"
  },
  "r65": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-1A",
   "Section": "4",
   "Subsection": "b",
   "Paragraph": "2",
   "Subparagraph": "iii"
  },
  "r66": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-T",
   "Number": "232",
   "Section": "313"
  },
  "r67": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "946",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "27",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147478494/946-205-50-27"
  },
  "r68": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "946",
   "SubTopic": "320",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.12-12(Column A)(Footnote 2)(ii))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-1"
  },
  "r69": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "946",
   "SubTopic": "320",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "2",
   "Subparagraph": "(SX 210.12-12A(Column A)(Footnote 2))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-2"
  },
  "r70": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "946",
   "SubTopic": "320",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "3",
   "Subparagraph": "(SX 210.12-12B(Column A)(Footnote 1)(b))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-3"
  },
  "r71": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "946",
   "SubTopic": "320",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "6",
   "Subparagraph": "(SX 210.12-14(Column A)(Footnote 2))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-6"
  }
 }
}
