{
 "version": "2.2",
 "instance": {
  "post-20260615.htm": {
   "nsprefix": "post",
   "nsuri": "http://www.postholdings.com/20260615",
   "dts": {
    "inline": {
     "local": [
      "post-20260615.htm"
     ]
    },
    "schema": {
     "local": [
      "post-20260615.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/role/negated-2009-12-16.xsd",
      "http://www.xbrl.org/lrr/role/net-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/2023/calculation-1.1.xsd",
      "https://www.xbrl.org/dtr/type/2020-01-21/types.xsd",
      "https://www.xbrl.org/dtr/type/2024-01-31/types.xsd",
      "https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd",
      "https://xbrl.fasb.org/srt/2025/elts/srt-roles-2025.xsd",
      "https://xbrl.fasb.org/srt/2025/elts/srt-types-2025.xsd",
      "https://xbrl.fasb.org/us-gaap/2025/ebp/elts/us-gaap-ebp-2025.xsd",
      "https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd",
      "https://xbrl.fasb.org/us-gaap/2025/elts/us-roles-2025.xsd",
      "https://xbrl.fasb.org/us-gaap/2025/elts/us-types-2025.xsd",
      "https://xbrl.sec.gov/country/2025/country-2025.xsd",
      "https://xbrl.sec.gov/dei/2025/dei-2025.xsd",
      "https://xbrl.sec.gov/stpr/2025/stpr-2025.xsd"
     ]
    },
    "calculationLink": {
     "local": [
      "post-20260615_cal.xml"
     ]
    },
    "definitionLink": {
     "local": [
      "post-20260615_def.xml"
     ]
    },
    "labelLink": {
     "local": [
      "post-20260615_lab.xml"
     ]
    },
    "presentationLink": {
     "local": [
      "post-20260615_pre.xml"
     ]
    }
   },
   "keyStandard": 42,
   "keyCustom": 13,
   "axisStandard": 5,
   "axisCustom": 0,
   "memberStandard": 8,
   "memberCustom": 29,
   "hidden": {
    "total": 7,
    "http://xbrl.sec.gov/dei/2025": 4,
    "http://www.postholdings.com/20260615": 3
   },
   "contextCount": 54,
   "entityCount": 1,
   "segmentCount": 37,
   "elementCount": 132,
   "unitCount": 3,
   "baseTaxonomies": {
    "http://fasb.org/us-gaap-ebp/2025": 94,
    "http://xbrl.sec.gov/dei/2025": 9
   },
   "report": {
    "R1": {
     "role": "http://www.postholdings.com/role/Cover",
     "longName": "0000001 - Document - Cover",
     "shortName": "Cover",
     "isDefault": "true",
     "groupType": "document",
     "subGroupType": "",
     "menuCat": "Cover",
     "order": "1",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "dei:DocumentType",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "post-20260615.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "dei:DocumentType",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "post-20260615.htm",
      "first": true,
      "unique": true
     }
    },
    "R2": {
     "role": "http://www.postholdings.com/role/EmployeeBenefitPlanStatementofNetAssetAvailableforBenefitStatement",
     "longName": "0000002 - Statement - Employee Benefit Plan, Statement of Net Asset Available for Benefit (Statement)",
     "shortName": "Employee Benefit Plan, Statement of Net Asset Available for Benefit (Statement)",
     "isDefault": "false",
     "groupType": "statement",
     "subGroupType": "",
     "menuCat": "Statements",
     "order": "2",
     "firstAnchor": {
      "contextRef": "c-3",
      "name": "us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-5",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap-ebp:EmployeeBenefitPlanInvestmentFairValueAndNavTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "post-20260615.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-3",
      "name": "us-gaap-ebp:EmployeeBenefitPlanNoteReceivableFromParticipant",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-5",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "post-20260615.htm",
      "unique": true
     }
    },
    "R3": {
     "role": "http://www.postholdings.com/role/EmployeeBenefitPlanStatementofChangeinNetAssetAvailableforBenefitStatement",
     "longName": "0000003 - Statement - Employee Benefit Plan, Statement of Change in Net Asset Available for Benefit (Statement)",
     "shortName": "Employee Benefit Plan, Statement of Change in Net Asset Available for Benefit (Statement)",
     "isDefault": "false",
     "groupType": "statement",
     "subGroupType": "",
     "menuCat": "Statements",
     "order": "3",
     "firstAnchor": {
      "contextRef": "c-2",
      "name": "us-gaap-ebp:EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestAndDividendIncomeOnInvestment",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-5",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "post-20260615.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-2",
      "name": "us-gaap-ebp:EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestAndDividendIncomeOnInvestment",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-5",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "post-20260615.htm",
      "first": true,
      "unique": true
     }
    },
    "R4": {
     "role": "http://www.postholdings.com/role/EmployeeBenefitPlanDescriptionofPlan",
     "longName": "0000004 - Disclosure - Employee Benefit Plan, Description of Plan",
     "shortName": "Employee Benefit Plan, Description of Plan",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "4",
     "firstAnchor": {
      "contextRef": "c-2",
      "name": "us-gaap-ebp:EmployeeBenefitPlanDescriptionOfPlanTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "post-20260615.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-2",
      "name": "us-gaap-ebp:EmployeeBenefitPlanDescriptionOfPlanTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "post-20260615.htm",
      "first": true,
      "unique": true
     }
    },
    "R5": {
     "role": "http://www.postholdings.com/role/EmployeeBenefitPlanSummaryofAccountingPolicy",
     "longName": "0000005 - Disclosure - Employee Benefit Plan, Summary of Accounting Policy",
     "shortName": "Employee Benefit Plan, Summary of Accounting Policy",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "5",
     "firstAnchor": {
      "contextRef": "c-2",
      "name": "us-gaap-ebp:EmployeeBenefitPlanSummaryOfAccountingPolicyTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "post-20260615.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-2",
      "name": "us-gaap-ebp:EmployeeBenefitPlanSummaryOfAccountingPolicyTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "post-20260615.htm",
      "first": true,
      "unique": true
     }
    },
    "R6": {
     "role": "http://www.postholdings.com/role/EmployeeBenefitPlanFairValueandNAV",
     "longName": "0000006 - Disclosure - Employee Benefit Plan, Fair Value and NAV",
     "shortName": "Employee Benefit Plan, Fair Value and NAV",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "6",
     "firstAnchor": {
      "contextRef": "c-2",
      "name": "us-gaap-ebp:EmployeeBenefitPlanInvestmentFairValueAndNavTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "post-20260615.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-2",
      "name": "us-gaap-ebp:EmployeeBenefitPlanInvestmentFairValueAndNavTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "post-20260615.htm",
      "first": true,
      "unique": true
     }
    },
    "R7": {
     "role": "http://www.postholdings.com/role/EmployeeBenefitPlanRelatedPartyandPartyinInterestTransactions",
     "longName": "0000007 - Disclosure - Employee Benefit Plan, Related-Party and Party-in-Interest Transactions",
     "shortName": "Employee Benefit Plan, Related-Party and Party-in-Interest Transactions",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "7",
     "firstAnchor": {
      "contextRef": "c-2",
      "name": "us-gaap-ebp:EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "post-20260615.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-2",
      "name": "us-gaap-ebp:EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "post-20260615.htm",
      "first": true,
      "unique": true
     }
    },
    "R8": {
     "role": "http://www.postholdings.com/role/EmployeeBenefitPlanTaxStatus",
     "longName": "0000008 - Disclosure - Employee Benefit Plan, Tax Status",
     "shortName": "Employee Benefit Plan, Tax Status",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "8",
     "firstAnchor": {
      "contextRef": "c-2",
      "name": "us-gaap-ebp:EmployeeBenefitPlanTaxStatusTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "post-20260615.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-2",
      "name": "us-gaap-ebp:EmployeeBenefitPlanTaxStatusTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "post-20260615.htm",
      "first": true,
      "unique": true
     }
    },
    "R9": {
     "role": "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestment",
     "longName": "0000009 - Disclosure - Employee Benefit Plan, Schedule, Asset Held for Investment",
     "shortName": "Employee Benefit Plan, Schedule, Asset Held for Investment",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "9",
     "firstAnchor": {
      "contextRef": "c-2",
      "name": "us-gaap-ebp:EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "post-20260615.htm",
      "first": true
     },
     "uniqueAnchor": null
    },
    "R10": {
     "role": "http://www.postholdings.com/role/EmployeeBenefitPlanSummaryofAccountingPolicyPolicies",
     "longName": "0000010 - Disclosure - Employee Benefit Plan, Summary of Accounting Policy (Policies)",
     "shortName": "Employee Benefit Plan, Summary of Accounting Policy (Policies)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "policies",
     "menuCat": "Policies",
     "order": "10",
     "firstAnchor": {
      "contextRef": "c-2",
      "name": "us-gaap-ebp:EmployeeBenefitPlanBasisOfAccountingPolicyTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "post-20260615.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-2",
      "name": "us-gaap-ebp:EmployeeBenefitPlanBasisOfAccountingPolicyTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "post-20260615.htm",
      "first": true,
      "unique": true
     }
    },
    "R11": {
     "role": "http://www.postholdings.com/role/EmployeeBenefitPlanFairValueandNAVTables",
     "longName": "0000013 - Disclosure - Employee Benefit Plan, Fair Value and NAV (Tables)",
     "shortName": "Employee Benefit Plan, Fair Value and NAV (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "11",
     "firstAnchor": {
      "contextRef": "c-2",
      "name": "us-gaap-ebp:EmployeeBenefitPlanInvestmentFairValueAndNavTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "post-20260615.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-2",
      "name": "us-gaap-ebp:EmployeeBenefitPlanInvestmentFairValueAndNavTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "post-20260615.htm",
      "first": true,
      "unique": true
     }
    },
    "R12": {
     "role": "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentTables",
     "longName": "0000016 - Disclosure - Employee Benefit Plan, Schedule, Asset Held for Investment (Tables)",
     "shortName": "Employee Benefit Plan, Schedule, Asset Held for Investment (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "12",
     "firstAnchor": {
      "contextRef": "c-2",
      "name": "us-gaap-ebp:EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "post-20260615.htm",
      "first": true
     },
     "uniqueAnchor": null
    },
    "R13": {
     "role": "http://www.postholdings.com/role/EmployeeBenefitPlanDescriptionofPlanDetails",
     "longName": "0000017 - Disclosure - Employee Benefit Plan, Description of Plan (Details)",
     "shortName": "Employee Benefit Plan, Description of Plan (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "13",
     "firstAnchor": {
      "contextRef": "c-2",
      "name": "post:EBPParticipantContributionLimit",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "0",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "post-20260615.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-2",
      "name": "post:EBPParticipantContributionLimit",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "0",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "post-20260615.htm",
      "first": true,
      "unique": true
     }
    },
    "R14": {
     "role": "http://www.postholdings.com/role/EmployeeBenefitPlanFairValueandNAVDetails",
     "longName": "0000019 - Disclosure - Employee Benefit Plan, Fair Value and NAV (Details)",
     "shortName": "Employee Benefit Plan, Fair Value and NAV (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "14",
     "firstAnchor": {
      "contextRef": "c-3",
      "name": "us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-5",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap-ebp:EmployeeBenefitPlanInvestmentFairValueAndNavTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "post-20260615.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-18",
      "name": "us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-5",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap-ebp:EmployeeBenefitPlanInvestmentFairValueAndNavTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "post-20260615.htm",
      "unique": true
     }
    },
    "R15": {
     "role": "http://www.postholdings.com/role/EmployeeBenefitPlanRelatedPartyandPartyinInterestTransactionsDetails",
     "longName": "0000020 - Disclosure - Employee Benefit Plan, Related-Party and Party-in-Interest Transactions (Details)",
     "shortName": "Employee Benefit Plan, Related-Party and Party-in-Interest Transactions (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "15",
     "firstAnchor": {
      "contextRef": "c-3",
      "name": "us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-5",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap-ebp:EmployeeBenefitPlanInvestmentFairValueAndNavTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "post-20260615.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-24",
      "name": "post:EBPAdministrativeServicesFees",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "0",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "post-20260615.htm",
      "unique": true
     }
    },
    "R16": {
     "role": "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentDetails",
     "longName": "0000022 - Disclosure - Employee Benefit Plan, Schedule, Asset Held for Investment (Details)",
     "shortName": "Employee Benefit Plan, Schedule, Asset Held for Investment (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "16",
     "firstAnchor": {
      "contextRef": "c-3",
      "name": "us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "0",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap-ebp:EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTableTextBlock",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "post-20260615.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-3",
      "name": "us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "0",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap-ebp:EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTableTextBlock",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "post-20260615.htm",
      "first": true,
      "unique": true
     }
    }
   },
   "tag": {
    "dei_AmendmentFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "AmendmentFlag",
     "presentation": [
      "http://www.postholdings.com/role/Cover"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Amendment Flag",
        "label": "Amendment Flag",
        "documentation": "Boolean flag that is true when the XBRL content amends previously-filed or accepted submission."
       }
      }
     },
     "auth_ref": []
    },
    "post_CollectiveTrustVanguardRetirementSavingsTrustIIIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.postholdings.com/20260615",
     "localname": "CollectiveTrustVanguardRetirementSavingsTrustIIIMember",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Collective Trust - Vanguard Retirement Savings Trust III",
        "label": "Collective Trust - Vanguard Retirement Savings Trust III [Member]",
        "documentation": "Collective Trust - Vanguard Retirement Savings Trust III"
       }
      }
     },
     "auth_ref": []
    },
    "post_CollectiveTrustVanguardTargetRetirement2020TrustIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.postholdings.com/20260615",
     "localname": "CollectiveTrustVanguardTargetRetirement2020TrustIMember",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Collective Trust - Vanguard Target Retirement 2020 Trust I",
        "label": "Collective Trust - Vanguard Target Retirement 2020 Trust I [Member]",
        "documentation": "Collective Trust - Vanguard Target Retirement 2020 Trust I"
       }
      }
     },
     "auth_ref": []
    },
    "post_CollectiveTrustVanguardTargetRetirement2025TrustIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.postholdings.com/20260615",
     "localname": "CollectiveTrustVanguardTargetRetirement2025TrustIMember",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Collective Trust - Vanguard Target Retirement 2025 Trust I",
        "label": "Collective Trust - Vanguard Target Retirement 2025 Trust I [Member]",
        "documentation": "Collective Trust - Vanguard Target Retirement 2025 Trust I"
       }
      }
     },
     "auth_ref": []
    },
    "post_CollectiveTrustVanguardTargetRetirement2030TrustIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.postholdings.com/20260615",
     "localname": "CollectiveTrustVanguardTargetRetirement2030TrustIMember",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Collective Trust - Vanguard Target Retirement 2030 Trust I",
        "label": "Collective Trust - Vanguard Target Retirement 2030 Trust I [Member]",
        "documentation": "Collective Trust - Vanguard Target Retirement 2030 Trust I"
       }
      }
     },
     "auth_ref": []
    },
    "post_CollectiveTrustVanguardTargetRetirement2035TrustIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.postholdings.com/20260615",
     "localname": "CollectiveTrustVanguardTargetRetirement2035TrustIMember",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Collective Trust - Vanguard Target Retirement 2035 Trust I",
        "label": "Collective Trust - Vanguard Target Retirement 2035 Trust I [Member]",
        "documentation": "Collective Trust - Vanguard Target Retirement 2035 Trust I"
       }
      }
     },
     "auth_ref": []
    },
    "post_CollectiveTrustVanguardTargetRetirement2040TrustIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.postholdings.com/20260615",
     "localname": "CollectiveTrustVanguardTargetRetirement2040TrustIMember",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Collective Trust - Vanguard Target Retirement 2040 Trust I",
        "label": "Collective Trust - Vanguard Target Retirement 2040 Trust I [Member]",
        "documentation": "Collective Trust - Vanguard Target Retirement 2040 Trust I"
       }
      }
     },
     "auth_ref": []
    },
    "post_CollectiveTrustVanguardTargetRetirement2045TrustIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.postholdings.com/20260615",
     "localname": "CollectiveTrustVanguardTargetRetirement2045TrustIMember",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Collective Trust - Vanguard Target Retirement 2045 Trust I",
        "label": "Collective Trust - Vanguard Target Retirement 2045 Trust I [Member]",
        "documentation": "Collective Trust - Vanguard Target Retirement 2045 Trust I"
       }
      }
     },
     "auth_ref": []
    },
    "post_CollectiveTrustVanguardTargetRetirement2050TrustIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.postholdings.com/20260615",
     "localname": "CollectiveTrustVanguardTargetRetirement2050TrustIMember",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Collective Trust - Vanguard Target Retirement 2050 Trust I",
        "label": "Collective Trust - Vanguard Target Retirement 2050 Trust I [Member]",
        "documentation": "Collective Trust - Vanguard Target Retirement 2050 Trust I"
       }
      }
     },
     "auth_ref": []
    },
    "post_CollectiveTrustVanguardTargetRetirement2055TrustIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.postholdings.com/20260615",
     "localname": "CollectiveTrustVanguardTargetRetirement2055TrustIMember",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Collective Trust - Vanguard Target Retirement 2055 Trust I",
        "label": "Collective Trust - Vanguard Target Retirement 2055 Trust I [Member]",
        "documentation": "Collective Trust - Vanguard Target Retirement 2055 Trust I"
       }
      }
     },
     "auth_ref": []
    },
    "post_CollectiveTrustVanguardTargetRetirement2060TrustIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.postholdings.com/20260615",
     "localname": "CollectiveTrustVanguardTargetRetirement2060TrustIMember",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Collective Trust - Vanguard Target Retirement 2060 Trust I",
        "label": "Collective Trust - Vanguard Target Retirement 2060 Trust I [Member]",
        "documentation": "Collective Trust - Vanguard Target Retirement 2060 Trust I"
       }
      }
     },
     "auth_ref": []
    },
    "post_CollectiveTrustVanguardTargetRetirement2065TrustIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.postholdings.com/20260615",
     "localname": "CollectiveTrustVanguardTargetRetirement2065TrustIMember",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Collective Trust - Vanguard Target Retirement 2065 Trust I",
        "label": "Collective Trust - Vanguard Target Retirement 2065 Trust I [Member]",
        "documentation": "Collective Trust - Vanguard Target Retirement 2065 Trust I"
       }
      }
     },
     "auth_ref": []
    },
    "post_CollectiveTrustVanguardTargetRetirement2070TrustIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.postholdings.com/20260615",
     "localname": "CollectiveTrustVanguardTargetRetirement2070TrustIMember",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Collective Trust - Vanguard Target Retirement 2070 Trust I",
        "label": "Collective Trust - Vanguard Target Retirement 2070 Trust I [Member]",
        "documentation": "Collective Trust - Vanguard Target Retirement 2070 Trust I"
       }
      }
     },
     "auth_ref": []
    },
    "post_CollectiveTrustVanguardTargetRetirementIncomeTrustIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.postholdings.com/20260615",
     "localname": "CollectiveTrustVanguardTargetRetirementIncomeTrustIMember",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Collective Trust - Vanguard Target Retirement Income Trust I",
        "label": "Collective Trust - Vanguard Target Retirement Income Trust I [Member]",
        "documentation": "Collective Trust - Vanguard Target Retirement Income Trust I"
       }
      }
     },
     "auth_ref": []
    },
    "post_CommonStockFundMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.postholdings.com/20260615",
     "localname": "CommonStockFundMember",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanFairValueandNAVDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Common Stock Fund",
        "label": "Common Stock Fund [Member]",
        "documentation": "Common Stock Fund"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_CommonStockMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "CommonStockMember",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanRelatedPartyandPartyinInterestTransactionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Common Stock",
        "label": "Common Stock [Member]"
       }
      }
     },
     "auth_ref": [
      "r120"
     ]
    },
    "dei_CoverAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "CoverAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Cover [Abstract]",
        "documentation": "Cover page."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DefinedBenefitPlanCommonCollectiveTrustMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "DefinedBenefitPlanCommonCollectiveTrustMember",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanFairValueandNAVDetails",
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Common Collective Trust",
        "label": "Common Collective Trust [Member]"
       }
      }
     },
     "auth_ref": [
      "r92",
      "r101",
      "r104",
      "r111"
     ]
    },
    "dei_DocumentInformationLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "DocumentInformationLineItems",
     "presentation": [
      "http://www.postholdings.com/role/Cover"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Document Information [Line Items]",
        "label": "Document Information [Line Items]",
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table."
       }
      }
     },
     "auth_ref": []
    },
    "dei_DocumentInformationTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "DocumentInformationTable",
     "presentation": [
      "http://www.postholdings.com/role/Cover"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Document Information [Table]",
        "label": "Document Information [Table]",
        "documentation": "Container to support the formal attachment of each official or unofficial, public or private document as part of a submission package."
       }
      }
     },
     "auth_ref": []
    },
    "dei_DocumentType": {
     "xbrltype": "submissionTypeItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "DocumentType",
     "presentation": [
      "http://www.postholdings.com/role/Cover"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Document Type",
        "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": []
    },
    "post_EBP001Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.postholdings.com/20260615",
     "localname": "EBP001Member",
     "presentation": [
      "http://www.postholdings.com/role/Cover",
      "http://www.postholdings.com/role/EmployeeBenefitPlanDescriptionofPlan",
      "http://www.postholdings.com/role/EmployeeBenefitPlanDescriptionofPlanDetails",
      "http://www.postholdings.com/role/EmployeeBenefitPlanFairValueandNAV",
      "http://www.postholdings.com/role/EmployeeBenefitPlanFairValueandNAVDetails",
      "http://www.postholdings.com/role/EmployeeBenefitPlanFairValueandNAVTables",
      "http://www.postholdings.com/role/EmployeeBenefitPlanRelatedPartyandPartyinInterestTransactions",
      "http://www.postholdings.com/role/EmployeeBenefitPlanRelatedPartyandPartyinInterestTransactionsDetails",
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestment",
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentDetails",
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentTables",
      "http://www.postholdings.com/role/EmployeeBenefitPlanStatementofChangeinNetAssetAvailableforBenefitStatement",
      "http://www.postholdings.com/role/EmployeeBenefitPlanStatementofNetAssetAvailableforBenefitStatement",
      "http://www.postholdings.com/role/EmployeeBenefitPlanSummaryofAccountingPolicy",
      "http://www.postholdings.com/role/EmployeeBenefitPlanSummaryofAccountingPolicyPolicies",
      "http://www.postholdings.com/role/EmployeeBenefitPlanTaxStatus"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "EBP 001",
        "label": "EBP 001 [Member]",
        "documentation": "EBP 001"
       }
      }
     },
     "auth_ref": []
    },
    "post_EBPAdministrativeServicesFees": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.postholdings.com/20260615",
     "localname": "EBPAdministrativeServicesFees",
     "crdr": "credit",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanDescriptionofPlanDetails",
      "http://www.postholdings.com/role/EmployeeBenefitPlanRelatedPartyandPartyinInterestTransactionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Administrative Services Fees",
        "label": "EBP, Administrative Services Fees",
        "documentation": "EBP, Administrative Services Fees"
       }
      }
     },
     "auth_ref": []
    },
    "post_EBPAmendmentDelegationMaximumIncreaseToCompanysLiability": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.postholdings.com/20260615",
     "localname": "EBPAmendmentDelegationMaximumIncreaseToCompanysLiability",
     "crdr": "debit",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanDescriptionofPlanDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Amendments, Maximum Increase to Company\u2019s Liability",
        "label": "EBP, Amendment Delegation, Maximum Increase to Company\u2019s Liability",
        "documentation": "EBP, Amendment Delegation, Maximum Increase to Company\u2019s Liability"
       }
      }
     },
     "auth_ref": []
    },
    "post_EBPChangeInNetAssetAvailableForBenefitOtherDecrease": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.postholdings.com/20260615",
     "localname": "EBPChangeInNetAssetAvailableForBenefitOtherDecrease",
     "crdr": "credit",
     "calculation": {
      "http://www.postholdings.com/role/EmployeeBenefitPlanStatementofChangeinNetAssetAvailableforBenefitStatement": {
       "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecrease",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanStatementofChangeinNetAssetAvailableforBenefitStatement"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Deductions, Other",
        "label": "EBP, Change in Net Asset Available for Benefit, Other Decrease",
        "documentation": "EBP, Change in Net Asset Available for Benefit, Other Decrease"
       }
      }
     },
     "auth_ref": []
    },
    "post_EBPEmployerContributionAnnualVestingPercentageAfterRequisiteServicePeriod": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.postholdings.com/20260615",
     "localname": "EBPEmployerContributionAnnualVestingPercentageAfterRequisiteServicePeriod",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanDescriptionofPlanDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Employer Contribution, Annual Vesting Percentage After Requisite Service Period",
        "label": "EBP, Employer Contribution, Annual Vesting Percentage After Requisite Service Period",
        "documentation": "EBP, Employer Contribution, Annual Vesting Percentage After Requisite Service Period"
       }
      }
     },
     "auth_ref": []
    },
    "post_EBPEmployerContributionVestingRequisiteServicePeriod": {
     "xbrltype": "durationItemType",
     "nsuri": "http://www.postholdings.com/20260615",
     "localname": "EBPEmployerContributionVestingRequisiteServicePeriod",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanDescriptionofPlanDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Employer Contribution Vesting, Requisite Service Period",
        "label": "EBP, Employer Contribution Vesting, Requisite Service Period",
        "documentation": "EBP, Employer Contribution Vesting, Requisite Service Period"
       }
      }
     },
     "auth_ref": []
    },
    "post_EBPNoteReceivableFromParticipantVestingRestorationPeriod": {
     "xbrltype": "durationItemType",
     "nsuri": "http://www.postholdings.com/20260615",
     "localname": "EBPNoteReceivableFromParticipantVestingRestorationPeriod",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanDescriptionofPlanDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Note Receivable From Participant, Vesting Restoration Period",
        "label": "EBP, Note Receivable From Participant, Vesting Restoration Period",
        "documentation": "EBP, Note Receivable From Participant, Vesting Restoration Period"
       }
      }
     },
     "auth_ref": []
    },
    "post_EBPParticipantCatchUpContributionMinimumAge": {
     "xbrltype": "durationItemType",
     "nsuri": "http://www.postholdings.com/20260615",
     "localname": "EBPParticipantCatchUpContributionMinimumAge",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanDescriptionofPlanDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Participant Catch-Up Contribution, Minimum Age",
        "label": "EBP, Participant Catch-Up Contribution, Minimum Age",
        "documentation": "EBP, Participant Catch-Up Contribution, Minimum Age"
       }
      }
     },
     "auth_ref": []
    },
    "post_EBPParticipantContributionCatchUpLimit": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.postholdings.com/20260615",
     "localname": "EBPParticipantContributionCatchUpLimit",
     "crdr": "debit",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanDescriptionofPlanDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Participant Catch-Up Limit",
        "label": "EBP, Participant Contribution Catch-Up Limit",
        "documentation": "EBP, Participant Contribution Catch-Up Limit"
       }
      }
     },
     "auth_ref": []
    },
    "post_EBPParticipantContributionIncrement": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.postholdings.com/20260615",
     "localname": "EBPParticipantContributionIncrement",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanDescriptionofPlanDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Participant Contribution Increment",
        "label": "EBP, Participant Contribution Increment",
        "documentation": "EBP, Participant Contribution Increment"
       }
      }
     },
     "auth_ref": []
    },
    "post_EBPParticipantContributionLimit": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.postholdings.com/20260615",
     "localname": "EBPParticipantContributionLimit",
     "crdr": "debit",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanDescriptionofPlanDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Participant Contribution Limit",
        "label": "EBP, Participant Contribution Limit",
        "documentation": "EBP, Participant Contribution Limit"
       }
      }
     },
     "auth_ref": []
    },
    "post_EBPParticipantContributionPretaxOrRothMaximumAnnualCompensationToTotalCompensationPercentage": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.postholdings.com/20260615",
     "localname": "EBPParticipantContributionPretaxOrRothMaximumAnnualCompensationToTotalCompensationPercentage",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanDescriptionofPlanDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Participant Contribution, Pretax or Roth, Maximum Annual Compensation to Total Compensation, Percentage",
        "label": "EBP, Participant Contribution, Pretax or Roth, Maximum Annual Compensation to Total Compensation, Percentage",
        "documentation": "EBP, Participant Contribution, Pretax or Roth, Maximum Annual Compensation to Total Compensation, Percentage"
       }
      }
     },
     "auth_ref": []
    },
    "post_EBPParticipantContributionPretaxOrRothMinimumAnnualContributionToEligibleCompensationPercentage": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.postholdings.com/20260615",
     "localname": "EBPParticipantContributionPretaxOrRothMinimumAnnualContributionToEligibleCompensationPercentage",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanDescriptionofPlanDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Participant Contribution, Pretax or Roth, Minimum Annual Contribution to Eligible Compensation, Percentage",
        "label": "EBP, Participant Contribution, Pretax or Roth, Minimum Annual Contribution to Eligible Compensation, Percentage",
        "documentation": "EBP, Participant Contribution, Pretax or Roth, Minimum Annual Contribution to Eligible Compensation, Percentage"
       }
      }
     },
     "auth_ref": []
    },
    "post_EBPParticipantLoanBasisSpreadOnVariableRate": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.postholdings.com/20260615",
     "localname": "EBPParticipantLoanBasisSpreadOnVariableRate",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanDescriptionofPlanDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Participant Loan, Basis Spread On Variable Rate",
        "label": "EBP, Participant Loan, Basis Spread On Variable Rate",
        "documentation": "EBP, Participant Loan, Basis Spread On Variable Rate"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanAccountingPolicyAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "EBP, Accounting Policy, Accounting Standard Update, and Change in Accounting Principle [Abstract]",
        "label": "EBP, Accounting Policy, Accounting Standard Update, and Change in Accounting Principle [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanAccountingPolicyLineItems",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanSummaryofAccountingPolicy",
      "http://www.postholdings.com/role/EmployeeBenefitPlanSummaryofAccountingPolicyPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "EBP, Accounting Policy [Line Items]",
        "label": "EBP, Accounting Policy [Line Items]",
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table."
       }
      }
     },
     "auth_ref": [
      "r136",
      "r148"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanAccountingPolicyTable",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanSummaryofAccountingPolicy",
      "http://www.postholdings.com/role/EmployeeBenefitPlanSummaryofAccountingPolicyPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "EBP, Accounting Policy [Table]",
        "label": "EBP, Accounting Policy [Table]",
        "documentation": "Disclosure of information about accounting policy for employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r136",
      "r148"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue",
     "crdr": "debit",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Current Value",
        "label": "EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value",
        "documentation": "Current value of investment, excluding plan interest in master trust, in schedule of asset held for investment of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, derivative, investment measured at net asset value per share as practical expedient, and insurance contract."
       }
      }
     },
     "auth_ref": [
      "r73",
      "r127"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentParticipantLoanAfterDeemedDistribution": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanAssetHeldForInvestmentParticipantLoanAfterDeemedDistribution",
     "crdr": "debit",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Notes receivable from participants",
        "label": "EBP, Asset Held for Investment, Participant Loan, after Deemed Distribution",
        "documentation": "Amount, after deemed distribution, of participant loan in schedule of asset held for investment of employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r73",
      "r127"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanBasisOfAccountingPolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanBasisOfAccountingPolicyTextBlock",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanSummaryofAccountingPolicyDetails",
      "http://www.postholdings.com/role/EmployeeBenefitPlanSummaryofAccountingPolicyPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "EBP, Basis of Accounting",
        "label": "EBP, Basis of Accounting [Policy Text Block]",
        "documentation": "Disclosure of accounting policy for basis of accounting used to prepare financial statements of employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r136",
      "r148"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecrease": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecrease",
     "crdr": "credit",
     "calculation": {
      "http://www.postholdings.com/role/EmployeeBenefitPlanStatementofChangeinNetAssetAvailableforBenefitStatement": {
       "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecrease",
       "weight": -1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanStatementofChangeinNetAssetAvailableforBenefitStatement"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Total deductions",
        "label": "EBP, Change in Net Asset Available for Benefit, Decrease",
        "documentation": "Amount of decrease in net asset available for benefit to participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r112",
      "r121"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForPaymentToParticipant": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForPaymentToParticipant",
     "crdr": "credit",
     "calculation": {
      "http://www.postholdings.com/role/EmployeeBenefitPlanStatementofChangeinNetAssetAvailableforBenefitStatement": {
       "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecrease",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanStatementofChangeinNetAssetAvailableforBenefitStatement"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Payment of benefits",
        "label": "EBP, Change in Net Asset Available for Benefit, Decrease from Payment to Participant",
        "documentation": "Amount of decrease in net asset available for benefit from payment of benefit to participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), including, but not limited to, withdrawal."
       }
      }
     },
     "auth_ref": [
      "r49",
      "r70",
      "r74",
      "r82",
      "r112"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncrease": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncrease",
     "crdr": "debit",
     "calculation": {
      "http://www.postholdings.com/role/EmployeeBenefitPlanStatementofChangeinNetAssetAvailableforBenefitStatement": {
       "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecrease",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanStatementofChangeinNetAssetAvailableforBenefitStatement"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Total additions",
        "label": "EBP, Change in Net Asset Available for Benefit, Increase",
        "documentation": "Amount of increase in net asset available for benefit to participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r112",
      "r121"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecrease": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecrease",
     "crdr": "debit",
     "calculation": {
      "http://www.postholdings.com/role/EmployeeBenefitPlanStatementofChangeinNetAssetAvailableforBenefitStatement": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanStatementofChangeinNetAssetAvailableforBenefitStatement"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Net increase in assets available for benefits",
        "label": "EBP, Change in Net Asset Available for Benefit, Increase (Decrease)",
        "documentation": "Amount of increase (decrease) in net asset available for benefit to participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r0",
      "r74",
      "r112",
      "r151"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForGainLossOnInvestment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForGainLossOnInvestment",
     "crdr": "debit",
     "calculation": {
      "http://www.postholdings.com/role/EmployeeBenefitPlanStatementofChangeinNetAssetAvailableforBenefitStatement": {
       "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanStatementofChangeinNetAssetAvailableforBenefitStatement"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Net appreciation in fair value, investments",
        "label": "EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Gain (Loss) on Investment",
        "documentation": "Amount of increase (decrease) in net asset available for benefit from realized and unrealized gain (loss) on investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r12",
      "r47",
      "r84",
      "r112"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment",
     "crdr": "debit",
     "calculation": {
      "http://www.postholdings.com/role/EmployeeBenefitPlanStatementofChangeinNetAssetAvailableforBenefitStatement": {
       "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncrease",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanStatementofChangeinNetAssetAvailableforBenefitStatement"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Net investment income",
        "label": "EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment",
        "documentation": "Amount of increase (decrease) in net asset available for benefit from income (loss) on investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, realized and unrealized gain (loss) on investment."
       }
      }
     },
     "auth_ref": [
      "r112"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContribution": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContribution",
     "crdr": "debit",
     "calculation": {
      "http://www.postholdings.com/role/EmployeeBenefitPlanStatementofChangeinNetAssetAvailableforBenefitStatement": {
       "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncrease",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanStatementofChangeinNetAssetAvailableforBenefitStatement"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Total contributions",
        "label": "EBP, Change in Net Asset Available for Benefit, Increase from Contribution",
        "documentation": "Amount of increase in net asset available for benefit from contribution to employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r112",
      "r121"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForEmployerContributionCash": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForEmployerContributionCash",
     "crdr": "debit",
     "calculation": {
      "http://www.postholdings.com/role/EmployeeBenefitPlanStatementofChangeinNetAssetAvailableforBenefitStatement": {
       "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContribution",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanStatementofChangeinNetAssetAvailableforBenefitStatement"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Contributions, Company",
        "label": "EBP, Change in Net Asset Available for Benefit, Increase from Employer Contribution, Cash",
        "documentation": "Amount of increase in net asset available for benefit from cash contribution from employer of participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r48",
      "r112"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestAndDividendIncomeOnInvestment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestAndDividendIncomeOnInvestment",
     "crdr": "debit",
     "calculation": {
      "http://www.postholdings.com/role/EmployeeBenefitPlanStatementofChangeinNetAssetAvailableforBenefitStatement": {
       "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanStatementofChangeinNetAssetAvailableforBenefitStatement"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Interest and dividend income, investments",
        "label": "EBP, Change in Net Asset Available for Benefit, Increase from Interest and Dividend Income on Investment",
        "documentation": "Amount of increase in net asset available for benefit from interest and dividend income on investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r85"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestIncomeOnNoteReceivableFromParticipant": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestIncomeOnNoteReceivableFromParticipant",
     "crdr": "debit",
     "calculation": {
      "http://www.postholdings.com/role/EmployeeBenefitPlanStatementofChangeinNetAssetAvailableforBenefitStatement": {
       "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncrease",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanStatementofChangeinNetAssetAvailableforBenefitStatement"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Interest income from notes receivable from participants",
        "label": "EBP, Change in Net Asset Available for Benefit, Increase from Interest Income on Note Receivable from Participant",
        "documentation": "Amount of increase in net asset available for benefit from interest income on note receivable from participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r112",
      "r121"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionExcludingRollover": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionExcludingRollover",
     "crdr": "debit",
     "calculation": {
      "http://www.postholdings.com/role/EmployeeBenefitPlanStatementofChangeinNetAssetAvailableforBenefitStatement": {
       "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContribution",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanStatementofChangeinNetAssetAvailableforBenefitStatement"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Contributions, Participant",
        "label": "EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Excluding Rollover",
        "documentation": "Amount, excluding rollover, of increase in net asset available for benefit from contribution by participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r112",
      "r116",
      "r117",
      "r118",
      "r145",
      "r146"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionRollover": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionRollover",
     "crdr": "debit",
     "calculation": {
      "http://www.postholdings.com/role/EmployeeBenefitPlanStatementofChangeinNetAssetAvailableforBenefitStatement": {
       "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContribution",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanStatementofChangeinNetAssetAvailableforBenefitStatement"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Contributions, Rollover",
        "label": "EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Rollover",
        "documentation": "Amount of increase in net asset available for benefit from contribution transferred from another qualified plan or from individual retirement account of participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Excludes contribution for participant transmitted by employer of participant in EBP."
       }
      }
     },
     "auth_ref": [
      "r112",
      "r116",
      "r117",
      "r118",
      "r145",
      "r146"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanDescriptionOfPlanAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "EBP, Description of Plan and Accounting Change [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanDescriptionOfPlanLineItems",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanDescriptionofPlan",
      "http://www.postholdings.com/role/EmployeeBenefitPlanDescriptionofPlanDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "EBP, Description of Plan [Line Items]",
        "label": "EBP, Description of Plan [Line Items]",
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table."
       }
      }
     },
     "auth_ref": [
      "r119"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanDescriptionOfPlanTable",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanDescriptionofPlan",
      "http://www.postholdings.com/role/EmployeeBenefitPlanDescriptionofPlanDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "EBP, Description of Plan [Table]",
        "label": "EBP, Description of Plan [Table]",
        "documentation": "Disclosure of information about description of employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r119"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanDescriptionOfPlanTextBlock",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanDescriptionofPlan"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "EBP, Description of Plan",
        "label": "EBP, Description of Plan [Text Block]",
        "documentation": "The entire disclosure for description of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, vesting and allocation provisions and disposition of forfeiture."
       }
      }
     },
     "auth_ref": [
      "r2",
      "r3",
      "r4",
      "r50",
      "r112"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanEmployerCommonStockFundMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanEmployerCommonStockFundMember",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "EBP, Employer, Common Stock Fund",
        "label": "EBP, Employer, Common Stock Fund [Member]",
        "documentation": "Fund with common stock issued by employer of participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r96",
      "r134",
      "r137",
      "r144",
      "r152",
      "r154",
      "r155"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanEmployerCommonStockMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanEmployerCommonStockMember",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanRelatedPartyandPartyinInterestTransactionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "EBP, Employer, Common Stock [Member]",
        "label": "EBP, Employer, Common Stock [Member]",
        "documentation": "Common stock issued by employer of participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r96",
      "r134",
      "r137",
      "r143",
      "r144",
      "r152",
      "r154",
      "r155"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanInvestmentAcquiredExcludingPlanInterestInMasterTrustCurrentValue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanInvestmentAcquiredExcludingPlanInterestInMasterTrustCurrentValue",
     "crdr": "debit",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanDescriptionofPlanDetails",
      "http://www.postholdings.com/role/EmployeeBenefitPlanRelatedPartyandPartyinInterestTransactionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Investment Acquired, Excluding Plan Interest in Master Trust, Current Value",
        "label": "EBP, Investment Acquired, Excluding Plan Interest in Master Trust, Current Value",
        "documentation": "Current value of investment, excluding plan interest in master trust, acquired by employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r129",
      "r132"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustCost": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustCost",
     "crdr": "debit",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanDescriptionofPlanDetails",
      "http://www.postholdings.com/role/EmployeeBenefitPlanRelatedPartyandPartyinInterestTransactionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Investment, Excluding Plan Interest in Master Trust, Cost",
        "label": "EBP, Investment, Excluding Plan Interest in Master Trust, Cost",
        "documentation": "Cost of investment, excluding plan interest in master trust, held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, derivative, investment measured at net asset value per share as practical expedient, and insurance contract."
       }
      }
     },
     "auth_ref": [
      "r54",
      "r73",
      "r126",
      "r130"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue",
     "crdr": "debit",
     "calculation": {
      "http://www.postholdings.com/role/EmployeeBenefitPlanStatementofNetAssetAvailableforBenefitStatement": {
       "parentTag": "us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanFairValueandNAVDetails",
      "http://www.postholdings.com/role/EmployeeBenefitPlanRelatedPartyandPartyinInterestTransactionsDetails",
      "http://www.postholdings.com/role/EmployeeBenefitPlanStatementofNetAssetAvailableforBenefitStatement"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Investments, at fair value",
        "label": "EBP, Investment, Excluding Plan Interest in Master Trust, Fair Value",
        "documentation": "Fair value of investment, excluding plan interest in master trust, held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, derivative, investment measured at net asset value per share as practical expedient, and insurance contract not meeting fully-benefit responsive investment criteria."
       }
      }
     },
     "auth_ref": [
      "r11",
      "r13",
      "r14",
      "r21",
      "r22",
      "r24",
      "r25",
      "r31",
      "r32",
      "r34",
      "r77",
      "r90",
      "r91",
      "r92",
      "r93",
      "r94",
      "r95",
      "r96",
      "r97",
      "r98",
      "r99",
      "r112"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanInvestmentFairValueAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "EBP, Investment, Fair Value [Abstract]",
        "label": "EBP, Investment, Fair Value [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanInvestmentFairValueAndNavAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "EBP, Investment, Fair Value and NAV [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanInvestmentFairValueAndNavLineItems",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanFairValueandNAV",
      "http://www.postholdings.com/role/EmployeeBenefitPlanFairValueandNAVDetails",
      "http://www.postholdings.com/role/EmployeeBenefitPlanFairValueandNAVTables",
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentTables",
      "http://www.postholdings.com/role/EmployeeBenefitPlanStatementofNetAssetAvailableforBenefitStatement"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "EBP, Investment, Fair Value and NAV [Line Items]",
        "label": "EBP, Investment, Fair Value and NAV [Line Items]",
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table."
       }
      }
     },
     "auth_ref": [
      "r26",
      "r27",
      "r28",
      "r31",
      "r32",
      "r34",
      "r35",
      "r36",
      "r37",
      "r38",
      "r39",
      "r40",
      "r52",
      "r68",
      "r90",
      "r91",
      "r92",
      "r93",
      "r94",
      "r95",
      "r96",
      "r97",
      "r98",
      "r99"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanInvestmentFairValueAndNavTable",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanFairValueandNAV",
      "http://www.postholdings.com/role/EmployeeBenefitPlanFairValueandNAVDetails",
      "http://www.postholdings.com/role/EmployeeBenefitPlanFairValueandNAVTables",
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentDetails",
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentTables",
      "http://www.postholdings.com/role/EmployeeBenefitPlanStatementofNetAssetAvailableforBenefitStatement"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "EBP, Investment, Fair Value and NAV [Table]",
        "label": "EBP, Investment, Fair Value and NAV [Table]",
        "documentation": "Disclosure of information about fair value of investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), including, but not limited to, fair value measured at net asset value per share as practical expedient (NAV)."
       }
      }
     },
     "auth_ref": [
      "r25",
      "r26",
      "r27",
      "r28",
      "r31",
      "r32",
      "r34",
      "r35",
      "r36",
      "r37",
      "r38",
      "r39",
      "r40",
      "r52",
      "r68",
      "r80",
      "r90",
      "r91",
      "r92",
      "r93",
      "r94",
      "r95",
      "r96",
      "r97",
      "r98",
      "r99"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanInvestmentFairValueAndNavTableTextBlock",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanFairValueandNAVTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "EBP, Investment, Fair Value and NAV",
        "label": "EBP, Investment, Fair Value and NAV [Table Text Block]",
        "documentation": "Tabular disclosure of fair value of investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), including, but not limited to, fair value measured at net asset value per share as practical expedient (NAV)."
       }
      }
     },
     "auth_ref": [
      "r23",
      "r30",
      "r32",
      "r33",
      "r41",
      "r112",
      "r149",
      "r150",
      "r153"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanInvestmentFairValueAndNavTextBlock",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanFairValueandNAV"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "EBP, Investment, Fair Value and NAV",
        "label": "EBP, Investment, Fair Value and NAV [Text Block]",
        "documentation": "The entire disclosure for fair value of investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), including, but not limited to, fair value measured at net asset value per share as practical expedient (NAV)."
       }
      }
     },
     "auth_ref": [
      "r26",
      "r28",
      "r29",
      "r31",
      "r32",
      "r34",
      "r37",
      "r38",
      "r39",
      "r40",
      "r52",
      "r68",
      "r69",
      "r77",
      "r78",
      "r112",
      "r115"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanInvestmentPolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanInvestmentPolicyTextBlock",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanSummaryofAccountingPolicyDetails",
      "http://www.postholdings.com/role/EmployeeBenefitPlanSummaryofAccountingPolicyPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "EBP, Investment",
        "label": "EBP, Investment [Policy Text Block]",
        "documentation": "Disclosure of accounting policy for investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r76",
      "r80",
      "r81",
      "r112"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanInvestmentSoldExcludingPlanInterestInMasterTrustCurrentValue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanInvestmentSoldExcludingPlanInterestInMasterTrustCurrentValue",
     "crdr": "credit",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanDescriptionofPlanDetails",
      "http://www.postholdings.com/role/EmployeeBenefitPlanRelatedPartyandPartyinInterestTransactionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "EBP, Investment Sold, Excluding Plan Interest in Master Trust, Current Value",
        "label": "EBP, Investment Sold, Excluding Plan Interest in Master Trust, Current Value",
        "documentation": "Current value of investment, excluding plan interest in master trust, sold by employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r129",
      "r132"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanNetAssetAvailableForBenefit",
     "crdr": "debit",
     "calculation": {
      "http://www.postholdings.com/role/EmployeeBenefitPlanStatementofNetAssetAvailableforBenefitStatement": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanStatementofChangeinNetAssetAvailableforBenefitStatement",
      "http://www.postholdings.com/role/EmployeeBenefitPlanStatementofNetAssetAvailableforBenefitStatement"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Net Asset Available for Benefit",
        "periodStartLabel": "Net Asset Available for Benefit, Beginning Balance",
        "periodEndLabel": "Net Asset Available for Benefit, Ending Balance",
        "label": "EBP, Net Asset Available for Benefit",
        "documentation": "Amount of asset less liability available to pay benefit of participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), including, but not limited to, aggregation of participants' individual account balances."
       }
      }
     },
     "auth_ref": [
      "r1",
      "r46",
      "r63",
      "r71",
      "r72",
      "r79",
      "r88",
      "r112",
      "r113",
      "r147"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipant": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanNoteReceivableFromParticipant",
     "crdr": "debit",
     "calculation": {
      "http://www.postholdings.com/role/EmployeeBenefitPlanStatementofNetAssetAvailableforBenefitStatement": {
       "parentTag": "us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanStatementofNetAssetAvailableforBenefitStatement"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Notes receivable from participants",
        "label": "EBP, Note Receivable from Participant",
        "documentation": "Amount of unpaid principal plus accrued but unpaid interest for loan from participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r75",
      "r112",
      "r147"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingAmount": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingAmount",
     "crdr": "debit",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanDescriptionofPlanDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Note Receivable from Participant, Account, Maximum Borrowing, Amount",
        "label": "EBP, Note Receivable from Participant, Account, Maximum Borrowing, Amount",
        "documentation": "Amount of maximum account balance that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) can borrow."
       }
      }
     },
     "auth_ref": [
      "r112"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingToTotalAccountPercentage": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingToTotalAccountPercentage",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanDescriptionofPlanDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Note Receivable from Participant, Account, Maximum Borrowing, to Total Account, Percentage",
        "label": "EBP, Note Receivable from Participant, Account, Maximum Borrowing, to Total Account, Percentage",
        "documentation": "Percentage of maximum account balance that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) can borrow to total participant account balance."
       }
      }
     },
     "auth_ref": [
      "r112"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMinimumBorrowingAmount": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanNoteReceivableFromParticipantAccountMinimumBorrowingAmount",
     "crdr": "debit",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanDescriptionofPlanDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Note Receivable from Participant, Account, Minimum Borrowing, Amount",
        "label": "EBP, Note Receivable from Participant, Account, Minimum Borrowing, Amount",
        "documentation": "Amount of minimum account balance that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) can borrow."
       }
      }
     },
     "auth_ref": [
      "r112"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantPolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanNoteReceivableFromParticipantPolicyTextBlock",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanSummaryofAccountingPolicyDetails",
      "http://www.postholdings.com/role/EmployeeBenefitPlanSummaryofAccountingPolicyPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "EBP, Note Receivable from Participant",
        "label": "EBP, Note Receivable from Participant [Policy Text Block]",
        "documentation": "Disclosure of accounting policy for note receivable from participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r112"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanOtherRelatedPartyAndPartyInInterestMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanOtherRelatedPartyAndPartyInInterestMember",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanRelatedPartyandPartyinInterestTransactionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "EBP, Other Related Party and Party-in-Interest",
        "label": "EBP, Other Related Party and Party-in-Interest [Member]",
        "documentation": "Related party and party-in-interest to employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), classified as other."
       }
      }
     },
     "auth_ref": [
      "r139",
      "r140",
      "r141",
      "r142"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanParticipantLoanInterestRate": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanParticipantLoanInterestRate",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Participant Loan, Interest Rate",
        "label": "EBP, Asset Held for Investment, Participant Loan, Interest Rate",
        "documentation": "Interest rate on participant loan in schedule of asset held for investment of employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r73",
      "r127"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanPaymentToParticipantPolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanPaymentToParticipantPolicyTextBlock",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanSummaryofAccountingPolicyDetails",
      "http://www.postholdings.com/role/EmployeeBenefitPlanSummaryofAccountingPolicyPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "EBP, Payment to Participant",
        "label": "EBP, Payment to Participant [Policy Text Block]",
        "documentation": "Disclosure of accounting policy for payment of benefit to participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r112"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanPlanNumber": {
     "xbrltype": "threeDigitItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanPlanNumber",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "EBP, Plan Number",
        "label": "EBP, Plan Number",
        "documentation": "Plan number of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), in three-digit numeric format."
       }
      }
     },
     "auth_ref": [
      "r120",
      "r121",
      "r122",
      "r128",
      "r129",
      "r130",
      "r131",
      "r133",
      "r147"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanRelatedPartyAndPartyInInterestAxis",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanRelatedPartyandPartyinInterestTransactionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "EBP, Related Party and Party-in-Interest [Axis]",
        "label": "EBP, Related Party and Party-in-Interest [Axis]",
        "documentation": "Information by related party and party-in-interest to employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r45",
      "r61",
      "r62",
      "r112"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanRelatedPartyAndPartyInInterestDomain",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanRelatedPartyandPartyinInterestTransactionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "EBP, Related Party and Party-in-Interest [Domain]",
        "label": "EBP, Related Party and Party-in-Interest [Domain]",
        "documentation": "Related party and party-in-interest to employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r45",
      "r61",
      "r62",
      "r112"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "EBP, Related Party and Party-in-Interest Transactions [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanRelatedPartyandPartyinInterestTransactions",
      "http://www.postholdings.com/role/EmployeeBenefitPlanRelatedPartyandPartyinInterestTransactionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "EBP, Related Party and Party-in-Interest Transactions [Line Items]",
        "label": "EBP, Related Party and Party-in-Interest Transactions [Line Items]",
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table."
       }
      }
     },
     "auth_ref": [
      "r45",
      "r136",
      "r148"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTable",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanRelatedPartyandPartyinInterestTransactions",
      "http://www.postholdings.com/role/EmployeeBenefitPlanRelatedPartyandPartyinInterestTransactionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "EBP, Related Party and Party-in-Interest Transactions [Table]",
        "label": "EBP, Related Party and Party-in-Interest Transactions [Table]",
        "documentation": "Disclosure of information about related party and party-in-interest transactions with employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r45",
      "r136",
      "r148"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTextBlock",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanRelatedPartyandPartyinInterestTransactions"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "EBP, Related Party and Party-in-Interest Transactions",
        "label": "EBP, Related Party and Party-in-Interest Transactions [Text Block]",
        "documentation": "The entire disclosure for related party and party-in-interest transactions with employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r42",
      "r43",
      "r44",
      "r45",
      "r112"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "EBP, Schedule of Asset Held for Investment [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestment",
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "EBP, Investment, Fair Value and NAV [Line Items]",
        "label": "EBP, Schedule of Asset Held for Investment [Line Items]",
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table."
       }
      }
     },
     "auth_ref": [
      "r73",
      "r124",
      "r125",
      "r126",
      "r127"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTable",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestment"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "EBP, Schedule of Asset Held for Investment [Table]",
        "label": "EBP, Schedule of Asset Held for Investment [Table]",
        "documentation": "Disclosure of information about schedule of asset held for investment of employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r73",
      "r124",
      "r125",
      "r126",
      "r127"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTableTextBlock",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestment",
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "EBP, Schedule of Asset Held for Investment",
        "label": "EBP, Schedule of Asset Held for Investment [Table Text Block]",
        "documentation": "Tabular disclosure of schedule of asset held for investment of employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r120",
      "r123"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "EBP, Statement of Change in Net Asset Available for Benefit [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitLineItems",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanStatementofChangeinNetAssetAvailableforBenefitStatement"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "EBP, Statement of Change in Net Asset Available for Benefit [Line Items]",
        "label": "EBP, Statement of Change in Net Asset Available for Benefit [Line Items]",
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table."
       }
      }
     },
     "auth_ref": [
      "r65",
      "r66",
      "r67",
      "r79"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitTable",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanStatementofChangeinNetAssetAvailableforBenefitStatement"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "EBP, Statement of Change in Net Asset Available for Benefit [Table]",
        "label": "EBP, Statement of Change in Net Asset Available for Benefit [Table]",
        "documentation": "Presentation of information about change in net asset available for benefit for employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r65",
      "r66",
      "r67",
      "r79"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "EBP, Statement of Net Asset Available for Benefit [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap-ebp_EmployeeBenefitPlanSummaryOfAccountingPolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanSummaryOfAccountingPolicyTextBlock",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanSummaryofAccountingPolicy"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "EBP, Summary of Accounting Policy",
        "label": "EBP, Summary of Accounting Policy [Text Block]",
        "documentation": "The entire disclosure for summary of accounting policy used to prepare financial statement of employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r2",
      "r3",
      "r112"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanTaxStatusAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanTaxStatusAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "EBP, Tax Status [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap-ebp_EmployeeBenefitPlanTaxStatusLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanTaxStatusLineItems",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanTaxStatus"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "EBP, Tax Status [Line Items]",
        "label": "EBP, Tax Status [Line Items]",
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table."
       }
      }
     },
     "auth_ref": [
      "r135"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanTaxStatusTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanTaxStatusTable",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanTaxStatus"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "EBP, Tax Status [Table]",
        "label": "EBP, Tax Status [Table]",
        "documentation": "Disclosure of information about tax status of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, information concerning whether tax ruling or determination letter was obtained and principal assumption on which plan relied in not making provision for federal income tax."
       }
      }
     },
     "auth_ref": [
      "r135"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanTaxStatusTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanTaxStatusTextBlock",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanTaxStatus"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "EBP, Tax Status",
        "label": "EBP, Tax Status [Text Block]",
        "documentation": "The entire disclosure for tax status of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, information concerning whether tax ruling or determination letter was obtained and principal assumption on which plan relied in not making provision for federal income tax."
       }
      }
     },
     "auth_ref": [
      "r51",
      "r53",
      "r112"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanUseOfEstimatePolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanUseOfEstimatePolicyTextBlock",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanSummaryofAccountingPolicyDetails",
      "http://www.postholdings.com/role/EmployeeBenefitPlanSummaryofAccountingPolicyPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "EBP, Use of Estimate",
        "label": "EBP, Use of Estimate [Policy Text Block]",
        "documentation": "Disclosure of accounting policy for use of estimate in preparation of financial statement of employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r5",
      "r6",
      "r7",
      "r8",
      "r9",
      "r10",
      "r112"
     ]
    },
    "dei_EntityCentralIndexKey": {
     "xbrltype": "centralIndexKeyItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityCentralIndexKey",
     "presentation": [
      "http://www.postholdings.com/role/Cover"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Entity Central Index Key",
        "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": [
      "r114"
     ]
    },
    "dei_EntityDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityDomain",
     "presentation": [
      "http://www.postholdings.com/role/Cover",
      "http://www.postholdings.com/role/EmployeeBenefitPlanDescriptionofPlan",
      "http://www.postholdings.com/role/EmployeeBenefitPlanDescriptionofPlanDetails",
      "http://www.postholdings.com/role/EmployeeBenefitPlanFairValueandNAV",
      "http://www.postholdings.com/role/EmployeeBenefitPlanFairValueandNAVDetails",
      "http://www.postholdings.com/role/EmployeeBenefitPlanFairValueandNAVTables",
      "http://www.postholdings.com/role/EmployeeBenefitPlanRelatedPartyandPartyinInterestTransactions",
      "http://www.postholdings.com/role/EmployeeBenefitPlanRelatedPartyandPartyinInterestTransactionsDetails",
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestment",
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentDetails",
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentTables",
      "http://www.postholdings.com/role/EmployeeBenefitPlanStatementofChangeinNetAssetAvailableforBenefitStatement",
      "http://www.postholdings.com/role/EmployeeBenefitPlanStatementofNetAssetAvailableforBenefitStatement",
      "http://www.postholdings.com/role/EmployeeBenefitPlanSummaryofAccountingPolicy",
      "http://www.postholdings.com/role/EmployeeBenefitPlanSummaryofAccountingPolicyPolicies",
      "http://www.postholdings.com/role/EmployeeBenefitPlanTaxStatus"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Entity [Domain]",
        "label": "Entity [Domain]",
        "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_EntityRegistrantName": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityRegistrantName",
     "presentation": [
      "http://www.postholdings.com/role/Cover"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Entity Registrant Name",
        "label": "Entity 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": [
      "r114"
     ]
    },
    "dei_EntityTaxIdentificationNumber": {
     "xbrltype": "employerIdItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityTaxIdentificationNumber",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Entity Tax Identification Number",
        "label": "Entity Tax Identification Number",
        "documentation": "The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS."
       }
      }
     },
     "auth_ref": [
      "r114"
     ]
    },
    "us-gaap_EquitySecuritiesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "EquitySecuritiesMember",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanRelatedPartyandPartyinInterestTransactionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Equity Securities [Member]",
        "label": "Equity Securities [Member]"
       }
      }
     },
     "auth_ref": [
      "r120",
      "r138"
     ]
    },
    "us-gaap_FairValueByFairValueHierarchyLevelAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "FairValueByFairValueHierarchyLevelAxis",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanFairValueandNAVDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Fair Value Hierarchy and NAV [Axis]",
        "label": "Fair Value Hierarchy and NAV [Axis]"
       }
      }
     },
     "auth_ref": [
      "r25",
      "r26",
      "r27",
      "r28",
      "r31",
      "r32",
      "r34",
      "r78",
      "r112"
     ]
    },
    "us-gaap_FairValueInputsLevel1Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "FairValueInputsLevel1Member",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanFairValueandNAVDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Fair Value, Inputs, Level 1",
        "label": "Fair Value, Inputs, Level 1 [Member]"
       }
      }
     },
     "auth_ref": [
      "r25",
      "r31",
      "r100",
      "r112"
     ]
    },
    "us-gaap_FairValueMeasurementsFairValueHierarchyDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "FairValueMeasurementsFairValueHierarchyDomain",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanFairValueandNAVDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Fair Value Hierarchy and NAV [Domain]",
        "label": "Fair Value Hierarchy and NAV [Domain]"
       }
      }
     },
     "auth_ref": [
      "r25",
      "r26",
      "r27",
      "r28",
      "r31",
      "r32",
      "r34",
      "r78",
      "r112"
     ]
    },
    "post_InvestmentInRelatedPartyFairMarketValue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.postholdings.com/20260615",
     "localname": "InvestmentInRelatedPartyFairMarketValue",
     "crdr": "debit",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanDescriptionofPlanDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Investment in Related Party, Fair Market Value",
        "label": "Investment in Related Party, Fair Market Value",
        "documentation": "Investment in Related Party, Fair Market Value"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_InvestmentTypeAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "InvestmentTypeAxis",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanFairValueandNAVDetails",
      "http://www.postholdings.com/role/EmployeeBenefitPlanRelatedPartyandPartyinInterestTransactionsDetails",
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Investment Type [Axis]",
        "label": "Investment Type [Axis]"
       }
      }
     },
     "auth_ref": [
      "r11",
      "r12",
      "r13",
      "r14",
      "r15",
      "r16",
      "r17",
      "r18",
      "r19",
      "r20",
      "r21",
      "r24",
      "r25",
      "r26",
      "r27",
      "r28",
      "r31",
      "r32",
      "r34",
      "r35",
      "r36",
      "r37",
      "r38",
      "r39",
      "r40",
      "r52",
      "r55",
      "r56",
      "r57",
      "r58",
      "r59",
      "r60",
      "r64",
      "r65",
      "r66",
      "r67",
      "r68",
      "r73",
      "r77",
      "r83",
      "r86",
      "r87",
      "r89",
      "r90",
      "r91",
      "r92",
      "r93",
      "r94",
      "r95",
      "r96",
      "r97",
      "r98",
      "r99",
      "r102",
      "r103",
      "r104",
      "r105",
      "r106",
      "r107",
      "r108",
      "r109",
      "r110",
      "r112",
      "r113",
      "r127",
      "r134",
      "r147"
     ]
    },
    "us-gaap_InvestmentTypeCategorizationMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "InvestmentTypeCategorizationMember",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanFairValueandNAVDetails",
      "http://www.postholdings.com/role/EmployeeBenefitPlanRelatedPartyandPartyinInterestTransactionsDetails",
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Investments [Domain]",
        "label": "Investments [Domain]"
       }
      }
     },
     "auth_ref": [
      "r11",
      "r12",
      "r13",
      "r14",
      "r15",
      "r16",
      "r17",
      "r18",
      "r19",
      "r20",
      "r21",
      "r24",
      "r25",
      "r26",
      "r27",
      "r28",
      "r31",
      "r32",
      "r34",
      "r35",
      "r36",
      "r37",
      "r38",
      "r39",
      "r40",
      "r52",
      "r55",
      "r56",
      "r57",
      "r58",
      "r59",
      "r60",
      "r64",
      "r65",
      "r66",
      "r67",
      "r68",
      "r73",
      "r77",
      "r83",
      "r86",
      "r87",
      "r89",
      "r90",
      "r91",
      "r92",
      "r93",
      "r94",
      "r95",
      "r96",
      "r97",
      "r98",
      "r99",
      "r102",
      "r103",
      "r104",
      "r105",
      "r106",
      "r107",
      "r108",
      "r109",
      "r110",
      "r112",
      "r113",
      "r127",
      "r134",
      "r147"
     ]
    },
    "dei_LegalEntityAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "LegalEntityAxis",
     "presentation": [
      "http://www.postholdings.com/role/Cover",
      "http://www.postholdings.com/role/EmployeeBenefitPlanDescriptionofPlan",
      "http://www.postholdings.com/role/EmployeeBenefitPlanDescriptionofPlanDetails",
      "http://www.postholdings.com/role/EmployeeBenefitPlanFairValueandNAV",
      "http://www.postholdings.com/role/EmployeeBenefitPlanFairValueandNAVDetails",
      "http://www.postholdings.com/role/EmployeeBenefitPlanFairValueandNAVTables",
      "http://www.postholdings.com/role/EmployeeBenefitPlanRelatedPartyandPartyinInterestTransactions",
      "http://www.postholdings.com/role/EmployeeBenefitPlanRelatedPartyandPartyinInterestTransactionsDetails",
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestment",
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentDetails",
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentTables",
      "http://www.postholdings.com/role/EmployeeBenefitPlanStatementofChangeinNetAssetAvailableforBenefitStatement",
      "http://www.postholdings.com/role/EmployeeBenefitPlanStatementofNetAssetAvailableforBenefitStatement",
      "http://www.postholdings.com/role/EmployeeBenefitPlanSummaryofAccountingPolicy",
      "http://www.postholdings.com/role/EmployeeBenefitPlanSummaryofAccountingPolicyPolicies",
      "http://www.postholdings.com/role/EmployeeBenefitPlanTaxStatus"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Legal Entity [Axis]",
        "label": "Legal Entity [Axis]",
        "documentation": "The set of legal entities associated with a report."
       }
      }
     },
     "auth_ref": []
    },
    "srt_MaximumMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "MaximumMember",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Maximum",
        "label": "Maximum [Member]"
       }
      }
     },
     "auth_ref": [
      "r28",
      "r112",
      "r120",
      "r127"
     ]
    },
    "post_MinimumAgeForWithdrawalsFromCertainContributionAccountsPriorToTerminationOrRetirement": {
     "xbrltype": "durationItemType",
     "nsuri": "http://www.postholdings.com/20260615",
     "localname": "MinimumAgeForWithdrawalsFromCertainContributionAccountsPriorToTerminationOrRetirement",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanDescriptionofPlanDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Minimum Age for Withdrawals from Certain Contribution Accounts Prior to Termination or Retirement",
        "label": "Minimum Age for Withdrawals from Certain Contribution Accounts Prior to Termination or Retirement",
        "documentation": ""
       }
      }
     },
     "auth_ref": []
    },
    "srt_MinimumMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "MinimumMember",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanDescriptionofPlanDetails",
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Minimum",
        "label": "Minimum [Member]"
       }
      }
     },
     "auth_ref": [
      "r28",
      "r112",
      "r120",
      "r127"
     ]
    },
    "us-gaap_MutualFundMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "MutualFundMember",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanFairValueandNAVDetails",
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Mutual Fund",
        "label": "Mutual Fund [Member]"
       }
      }
     },
     "auth_ref": [
      "r90",
      "r101",
      "r102",
      "r111",
      "r112",
      "r113"
     ]
    },
    "post_MutualFundVanguardExplorerFundAdmiralShareMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.postholdings.com/20260615",
     "localname": "MutualFundVanguardExplorerFundAdmiralShareMember",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Mutual Fund - Vanguard Explorer Fund Admiral Shares",
        "label": "Mutual Fund - Vanguard Explorer Fund Admiral Share [Member]",
        "documentation": "Mutual Fund - Vanguard Explorer Fund Admiral Shares"
       }
      }
     },
     "auth_ref": []
    },
    "post_MutualFundVanguardExtendedMarketIndexFundInstitutionalSharesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.postholdings.com/20260615",
     "localname": "MutualFundVanguardExtendedMarketIndexFundInstitutionalSharesMember",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Mutual Fund - Vanguard Extended Market Index Fund Institutional Shares",
        "label": "Mutual Fund - Vanguard Extended Market Index Fund Institutional Shares [Member]",
        "documentation": "Mutual Fund - Vanguard Extended Market Index Fund Institutional Shares"
       }
      }
     },
     "auth_ref": []
    },
    "post_MutualFundVanguardFederalMoneyMarketFundMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.postholdings.com/20260615",
     "localname": "MutualFundVanguardFederalMoneyMarketFundMember",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Mutual Fund - Vanguard Federal Money Market Fund",
        "label": "Mutual Fund - Vanguard Federal Money Market Fund [Member]",
        "documentation": "Mutual Fund - Vanguard Federal Money Market Fund"
       }
      }
     },
     "auth_ref": []
    },
    "post_MutualFundVanguardInstitutionalIndexFundInstitutionalSharesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.postholdings.com/20260615",
     "localname": "MutualFundVanguardInstitutionalIndexFundInstitutionalSharesMember",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Mutual Fund - Vanguard Institutional Index Fund Institutional Shares",
        "label": "Mutual Fund - Vanguard Institutional Index Fund Institutional Shares [Member]",
        "documentation": "Mutual Fund - Vanguard Institutional Index Fund Institutional Shares"
       }
      }
     },
     "auth_ref": []
    },
    "post_MutualFundVanguardInternationalGrowthFundAdmiralSharesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.postholdings.com/20260615",
     "localname": "MutualFundVanguardInternationalGrowthFundAdmiralSharesMember",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Mutual Fund - Vanguard International Growth Fund Admiral Shares",
        "label": "Mutual Fund - Vanguard International Growth Fund Admiral Shares [Member]",
        "documentation": "Mutual Fund - Vanguard International Growth Fund Admiral Shares"
       }
      }
     },
     "auth_ref": []
    },
    "post_MutualFundVanguardPRIMECAPFundAdmiralSharesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.postholdings.com/20260615",
     "localname": "MutualFundVanguardPRIMECAPFundAdmiralSharesMember",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Mutual Fund - Vanguard PRIMECAP Fund Admiral Shares",
        "label": "Mutual Fund - Vanguard PRIMECAP Fund Admiral Shares [Member]",
        "documentation": "Mutual Fund - Vanguard PRIMECAP Fund Admiral Shares"
       }
      }
     },
     "auth_ref": []
    },
    "post_MutualFundVanguardRealEstateIndexFundInstitutionalSharesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.postholdings.com/20260615",
     "localname": "MutualFundVanguardRealEstateIndexFundInstitutionalSharesMember",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Mutual Fund - Vanguard Real Estate Index Fund Institutional Shares",
        "label": "Mutual Fund - Vanguard Real Estate Index Fund Institutional Shares [Member]",
        "documentation": "Mutual Fund - Vanguard Real Estate Index Fund Institutional Shares"
       }
      }
     },
     "auth_ref": []
    },
    "post_MutualFundVanguardSmallCapIndexFundInstitutionalSharesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.postholdings.com/20260615",
     "localname": "MutualFundVanguardSmallCapIndexFundInstitutionalSharesMember",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Mutual Fund - Vanguard Small-Cap Index Fund Institutional Shares",
        "label": "Mutual Fund - Vanguard Small-Cap Index Fund Institutional Shares [Member]",
        "documentation": "Mutual Fund - Vanguard Small-Cap Index Fund Institutional Shares"
       }
      }
     },
     "auth_ref": []
    },
    "post_MutualFundVanguardStrategicSmallCapEquityFundMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.postholdings.com/20260615",
     "localname": "MutualFundVanguardStrategicSmallCapEquityFundMember",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Mutual Fund - Vanguard Strategic Small-Cap Equity Fund",
        "label": "Mutual Fund - Vanguard Strategic Small-Cap Equity Fund [Member]",
        "documentation": "Mutual Fund - Vanguard Strategic Small-Cap Equity Fund"
       }
      }
     },
     "auth_ref": []
    },
    "post_MutualFundVanguardTotalBondMarketIndexFundInstlSharesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.postholdings.com/20260615",
     "localname": "MutualFundVanguardTotalBondMarketIndexFundInstlSharesMember",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Mutual Fund - Vanguard Total Bond Market Index Fund Instl Shares",
        "label": "Mutual Fund - Vanguard Total Bond Market Index Fund Instl Shares [Member]",
        "documentation": "Mutual Fund - Vanguard Total Bond Market Index Fund Instl Shares"
       }
      }
     },
     "auth_ref": []
    },
    "post_MutualFundVanguardTotalIntlBondIndexFundAdmiralSharesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.postholdings.com/20260615",
     "localname": "MutualFundVanguardTotalIntlBondIndexFundAdmiralSharesMember",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Mutual Fund - Vanguard Total Intl Bond Index Fund Admiral Shares",
        "label": "Mutual Fund - Vanguard Total Intl Bond Index Fund Admiral Shares [Member]",
        "documentation": "Mutual Fund - Vanguard Total Intl Bond Index Fund Admiral Shares"
       }
      }
     },
     "auth_ref": []
    },
    "post_MutualFundVanguardTotalIntlStockIndexFundInstlSharesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.postholdings.com/20260615",
     "localname": "MutualFundVanguardTotalIntlStockIndexFundInstlSharesMember",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Mutual Fund - Vanguard Total Intl Stock Index Fund Instl Shares",
        "label": "Mutual Fund - Vanguard Total Intl Stock Index Fund Instl Shares [Member]",
        "documentation": "Mutual Fund - Vanguard Total Intl Stock Index Fund Instl Shares"
       }
      }
     },
     "auth_ref": []
    },
    "post_MutualFundVanguardWellingtonFundAdmiralSharesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.postholdings.com/20260615",
     "localname": "MutualFundVanguardWellingtonFundAdmiralSharesMember",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Mutual Fund - Vanguard Wellington Fund Admiral Shares",
        "label": "Mutual Fund - Vanguard Wellington Fund Admiral Shares [Member]",
        "documentation": "Mutual Fund - Vanguard Wellington Fund Admiral Shares"
       }
      }
     },
     "auth_ref": []
    },
    "post_MutualFundVanguardWindsorIIFundAdmiralSharesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.postholdings.com/20260615",
     "localname": "MutualFundVanguardWindsorIIFundAdmiralSharesMember",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Mutual Fund - Vanguard Windsor II Fund Admiral Shares",
        "label": "Mutual Fund - Vanguard Windsor II Fund Admiral Shares [Member]",
        "documentation": "Mutual Fund - Vanguard Windsor II Fund Admiral Shares"
       }
      }
     },
     "auth_ref": []
    },
    "srt_RangeAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "RangeAxis",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanDescriptionofPlanDetails",
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Statistical Measurement [Axis]",
        "label": "Statistical Measurement [Axis]"
       }
      }
     },
     "auth_ref": [
      "r28",
      "r112",
      "r120",
      "r127"
     ]
    },
    "srt_RangeMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "RangeMember",
     "presentation": [
      "http://www.postholdings.com/role/EmployeeBenefitPlanDescriptionofPlanDetails",
      "http://www.postholdings.com/role/EmployeeBenefitPlanScheduleAssetHeldforInvestmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Statistical Measurement [Domain]",
        "label": "Statistical Measurement [Domain]"
       }
      }
     },
     "auth_ref": [
      "r28",
      "r112",
      "r120",
      "r127"
     ]
    }
   }
  }
 },
 "std_ref": {
  "r0": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "250",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(b)(2)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147483443/250-10-50-1"
  },
  "r1": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "250",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(b)(3)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147483443/250-10-50-1"
  },
  "r2": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "250",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "5",
   "Subparagraph": "(SAB Topic 11.M.Q2)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147480530/250-10-S99-5"
  },
  "r3": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "250",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "6",
   "Subparagraph": "(SAB Topic 11.M)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147480530/250-10-S99-6"
  },
  "r4": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "275",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482861/275-10-50-1"
  },
  "r5": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "275",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482861/275-10-50-1"
  },
  "r6": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "275",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482861/275-10-50-1"
  },
  "r7": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "275",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "11",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482861/275-10-50-11"
  },
  "r8": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "275",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "11",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482861/275-10-50-11"
  },
  "r9": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "275",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "12",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482861/275-10-50-12"
  },
  "r10": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "275",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482861/275-10-50-4"
  },
  "r11": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "815",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4A",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4A"
  },
  "r12": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "815",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4A",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4A"
  },
  "r13": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "815",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4B",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4B"
  },
  "r14": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "815",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4B",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4B"
  },
  "r15": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "815",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4K",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4K"
  },
  "r16": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "815",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4K",
   "Subparagraph": "(a)(1)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4K"
  },
  "r17": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "815",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4K",
   "Subparagraph": "(a)(2)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4K"
  },
  "r18": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "815",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4K",
   "Subparagraph": "(a)(3)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4K"
  },
  "r19": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "815",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4K",
   "Subparagraph": "(a)(4)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4K"
  },
  "r20": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "815",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4K",
   "Subparagraph": "(a)(5)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4K"
  },
  "r21": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "815",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4K",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4K"
  },
  "r22": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "815",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "7A",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-7A"
  },
  "r23": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "820",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "2",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2"
  },
  "r24": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "820",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "2",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2"
  },
  "r25": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "820",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "2",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2"
  },
  "r26": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "820",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "2",
   "Subparagraph": "(bbb)(1)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2"
  },
  "r27": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "820",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "2",
   "Subparagraph": "(bbb)(2)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2"
  },
  "r28": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "820",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "2",
   "Subparagraph": "(bbb)(2)(i)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2"
  },
  "r29": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "820",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "2",
   "Subparagraph": "(g)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2"
  },
  "r30": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "820",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "3",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-3"
  },
  "r31": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "820",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "3",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-3"
  },
  "r32": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "820",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "3",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-3"
  },
  "r33": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "820",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6A",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-6A"
  },
  "r34": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "820",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6A",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-6A"
  },
  "r35": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "820",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6A",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-6A"
  },
  "r36": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "820",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6A",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-6A"
  },
  "r37": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "820",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6A",
   "Subparagraph": "(d)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-6A"
  },
  "r38": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "820",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6A",
   "Subparagraph": "(e)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-6A"
  },
  "r39": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "820",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6A",
   "Subparagraph": "(f)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-6A"
  },
  "r40": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "820",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6A",
   "Subparagraph": "(h)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-6A"
  },
  "r41": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "820",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "8",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-8"
  },
  "r42": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "850",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147483326/850-10-50-1"
  },
  "r43": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "850",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147483326/850-10-50-1"
  },
  "r44": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "850",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147483326/850-10-50-1"
  },
  "r45": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "850",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(d)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147483326/850-10-50-1"
  },
  "r46": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "2",
   "Subparagraph": "(d)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477063/962-205-45-2"
  },
  "r47": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "7",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477063/962-205-45-7"
  },
  "r48": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "7",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477063/962-205-45-7"
  },
  "r49": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "7",
   "Subparagraph": "(f)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477063/962-205-45-7"
  },
  "r50": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147478416/962-205-50-1"
  },
  "r51": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(g)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147478416/962-205-50-1"
  },
  "r52": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-02(a))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r53": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-02(c))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r54": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-02(d))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r55": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-03(1))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r56": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-03(2)(a))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r57": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-03(2)(b)(1))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r58": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-03(2)(b)(2))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r59": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-03(2))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r60": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-03(3))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r61": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-03(6)(a))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r62": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-03(6)(b))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r63": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-03(9))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r64": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-04(1)(a)(1))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r65": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-04(2)(a)(1))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r66": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-04(2)(a)(2))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r67": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-04(2)(a)(3))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r68": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-04(2)(b))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r69": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-04(3)(b))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r70": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-04(5)(b))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r71": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-04(6))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r72": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-04(7))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r73": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-05(a)(Schedule I))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r74": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-05(a)(Schedule III))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r75": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "310",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "2",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147478642/962-310-45-2"
  },
  "r76": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "35",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147478844/962-325-35-1B"
  },
  "r77": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "5",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-5"
  },
  "r78": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "6",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-6"
  },
  "r79": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "8",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-8"
  },
  "r80": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-1"
  },
  "r81": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "2A",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-2A"
  },
  "r82": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "2B",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-2B"
  },
  "r83": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "3",
   "Subparagraph": "(f)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-3"
  },
  "r84": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "7",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-7"
  },
  "r85": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "7",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-7"
  },
  "r86": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "8A",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8A"
  },
  "r87": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "8B",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8B"
  },
  "r88": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "40",
   "Name": "Accounting Standards Codification",
   "Section": "25",
   "Paragraph": "1",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147479750/962-40-25-1"
  },
  "r89": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "815",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4L",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4L"
  },
  "r90": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "5",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-5"
  },
  "r91": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "5",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-5"
  },
  "r92": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "5",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-5"
  },
  "r93": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "5",
   "Subparagraph": "(d)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-5"
  },
  "r94": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "5",
   "Subparagraph": "(e)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-5"
  },
  "r95": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "5",
   "Subparagraph": "(f)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-5"
  },
  "r96": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "5",
   "Subparagraph": "(g)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-5"
  },
  "r97": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "5",
   "Subparagraph": "(h)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-5"
  },
  "r98": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "5",
   "Subparagraph": "(j)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-5"
  },
  "r99": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "5",
   "Subparagraph": "(k)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-5"
  },
  "r100": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "6",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-6"
  },
  "r101": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-1"
  },
  "r102": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "8A",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8A"
  },
  "r103": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "8A",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8A"
  },
  "r104": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "8A",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8A"
  },
  "r105": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "8A",
   "Subparagraph": "(d)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8A"
  },
  "r106": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "8A",
   "Subparagraph": "(e)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8A"
  },
  "r107": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "8A",
   "Subparagraph": "(f)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8A"
  },
  "r108": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "8A",
   "Subparagraph": "(g)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8A"
  },
  "r109": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "8A",
   "Subparagraph": "(h)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8A"
  },
  "r110": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "8A",
   "Subparagraph": "(j)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8A"
  },
  "r111": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "8B",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8B"
  },
  "r112": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "55",
   "Paragraph": "17",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147478873/962-325-55-17"
  },
  "r113": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "55",
   "Paragraph": "18",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147478873/962-325-55-18"
  },
  "r114": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "12",
   "Subsection": "b-2"
  },
  "r115": {
   "role": "http://www.xbrl.org/2003/role/recommendedDisclosureRef",
   "Topic": "825",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "23",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482907/825-10-50-23"
  },
  "r116": {
   "role": "http://www.xbrl.org/2003/role/recommendedDisclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "7",
   "Subparagraph": "(d)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477063/962-205-45-7"
  },
  "r117": {
   "role": "http://www.xbrl.org/2003/role/recommendedDisclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-05(a)(Schedule III))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r118": {
   "role": "http://www.xbrl.org/2003/role/recommendedDisclosureRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "2B",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-2B"
  },
  "r119": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(a)",
   "SubTopic": "205",
   "Topic": "962",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147478416/962-205-50-1"
  },
  "r120": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-05(a)(Schedule I))",
   "SubTopic": "205",
   "Topic": "962",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r121": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-05(a)(Schedule III))",
   "SubTopic": "205",
   "Topic": "962",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r122": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Employee Retirement Income Security Act of 1974",
   "Number": "2520",
   "Section": "103",
   "Subsection": "10",
   "Paragraph": "b",
   "Subparagraph": "(1)",
   "Publisher": "DOL-EBSA"
  },
  "r123": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Employee Retirement Income Security Act of 1974",
   "Number": "2520",
   "Section": "103",
   "Subsection": "10",
   "Paragraph": "b",
   "Subparagraph": "(1)(i)",
   "Publisher": "DOL-EBSA"
  },
  "r124": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Employee Retirement Income Security Act of 1974",
   "Number": "2520",
   "Section": "103",
   "Subsection": "10",
   "Paragraph": "b",
   "Subparagraph": "(1)(i)(A)",
   "Publisher": "DOL-EBSA"
  },
  "r125": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Employee Retirement Income Security Act of 1974",
   "Number": "2520",
   "Section": "103",
   "Subsection": "10",
   "Paragraph": "b",
   "Subparagraph": "(1)(i)(B)",
   "Publisher": "DOL-EBSA"
  },
  "r126": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Employee Retirement Income Security Act of 1974",
   "Number": "2520",
   "Section": "103",
   "Subsection": "10",
   "Paragraph": "b",
   "Subparagraph": "(1)(i)(C)",
   "Publisher": "DOL-EBSA"
  },
  "r127": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Employee Retirement Income Security Act of 1974",
   "Number": "2520",
   "Section": "103",
   "Subsection": "10",
   "Paragraph": "b",
   "Subparagraph": "(1)(i)(D)",
   "Publisher": "DOL-EBSA"
  },
  "r128": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Employee Retirement Income Security Act of 1974",
   "Number": "2520",
   "Section": "103",
   "Subsection": "10",
   "Paragraph": "b",
   "Subparagraph": "(2)",
   "Publisher": "DOL-EBSA"
  },
  "r129": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Employee Retirement Income Security Act of 1974",
   "Number": "2520",
   "Section": "103",
   "Subsection": "10",
   "Paragraph": "b",
   "Subparagraph": "(3)",
   "Publisher": "DOL-EBSA"
  },
  "r130": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Employee Retirement Income Security Act of 1974",
   "Number": "2520",
   "Section": "103",
   "Subsection": "10",
   "Paragraph": "b",
   "Subparagraph": "(4)",
   "Publisher": "DOL-EBSA"
  },
  "r131": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Employee Retirement Income Security Act of 1974",
   "Number": "2520",
   "Section": "103",
   "Subsection": "6",
   "Paragraph": "d",
   "Subparagraph": "(1)",
   "Publisher": "DOL-EBSA"
  },
  "r132": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Employee Retirement Income Security Act of 1974",
   "Number": "2520",
   "Section": "103",
   "Subsection": "6",
   "Paragraph": "d",
   "Subparagraph": "(1)(vi)",
   "Publisher": "DOL-EBSA"
  },
  "r133": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Employee Retirement Income Security Act of 1974",
   "Number": "2520",
   "Section": "103",
   "Subsection": "6",
   "Paragraph": "d",
   "Subparagraph": "(2)",
   "Publisher": "DOL-EBSA"
  },
  "r134": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "275",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "18",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482861/275-10-50-18"
  },
  "r135": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(g)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147478416/962-205-50-1"
  },
  "r136": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-02)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r137": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-03(1))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r138": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-03(2)(b)(1))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r139": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-03(6)(a))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r140": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-03(6)(b))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r141": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-03(7)(a))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r142": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-03(7)(b))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r143": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-04(1)(a)(1))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r144": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-04(2)(a)(1))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r145": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-04(4)(a)(1))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r146": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-04(4)(b))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r147": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-05(a)(Schedule II))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r148": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "962",
   "SubTopic": "235",
   "Name": "Accounting Standards Codification",
   "Section": "S50",
   "Paragraph": "1",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147479143/962-235-S50-1"
  },
  "r149": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "5",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-5"
  },
  "r150": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "6",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-6"
  },
  "r151": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "8",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-8"
  },
  "r152": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-1"
  },
  "r153": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "3",
   "Subparagraph": "(f)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-3"
  },
  "r154": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "8A",
   "Subparagraph": "(g)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8A"
  },
  "r155": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "8B",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8B"
  }
 }
}
