{
 "version": "2.2",
 "instance": {
  "tris-20231231.htm": {
   "nsprefix": "tris",
   "nsuri": "http://www.tristategt.org/20231231",
   "dts": {
    "inline": {
     "local": [
      "tris-20231231.htm"
     ]
    },
    "schema": {
     "local": [
      "tris-20231231.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/dtr/type/2020-01-21/types.xsd",
      "https://www.xbrl.org/dtr/type/2022-03-31/types.xsd",
      "https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd",
      "https://xbrl.fasb.org/srt/2023/elts/srt-roles-2023.xsd",
      "https://xbrl.fasb.org/srt/2023/elts/srt-types-2023.xsd",
      "https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd",
      "https://xbrl.fasb.org/us-gaap/2023/elts/us-roles-2023.xsd",
      "https://xbrl.fasb.org/us-gaap/2023/elts/us-types-2023.xsd",
      "https://xbrl.sec.gov/country/2023/country-2023.xsd",
      "https://xbrl.sec.gov/dei/2023/dei-2023.xsd"
     ]
    },
    "calculationLink": {
     "local": [
      "tris-20231231_cal.xml"
     ]
    },
    "definitionLink": {
     "local": [
      "tris-20231231_def.xml"
     ]
    },
    "labelLink": {
     "local": [
      "tris-20231231_lab.xml"
     ]
    },
    "presentationLink": {
     "local": [
      "tris-20231231_pre.xml"
     ]
    }
   },
   "keyStandard": 312,
   "keyCustom": 105,
   "axisStandard": 40,
   "axisCustom": 1,
   "memberStandard": 37,
   "memberCustom": 93,
   "hidden": {
    "total": 11,
    "http://xbrl.sec.gov/dei/2023": 5,
    "http://fasb.org/us-gaap/2023": 6
   },
   "contextCount": 327,
   "entityCount": 1,
   "segmentCount": 135,
   "elementCount": 743,
   "unitCount": 21,
   "baseTaxonomies": {
    "http://fasb.org/us-gaap/2023": 890,
    "http://xbrl.sec.gov/dei/2023": 40,
    "http://fasb.org/srt/2023": 1
   },
   "report": {
    "R1": {
     "role": "http://www.tristategt.org/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": "tris-20231231.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": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R2": {
     "role": "http://www.tristategt.org/role/AuditInformation",
     "longName": "0000002 - Document - Audit Information",
     "shortName": "Audit Information",
     "isDefault": "false",
     "groupType": "document",
     "subGroupType": "",
     "menuCat": "Cover",
     "order": "2",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "dei:AuditorFirmId",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "dei:AuditorFirmId",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R3": {
     "role": "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition",
     "longName": "0000003 - Statement - Consolidated Statements of Financial Position",
     "shortName": "Consolidated Statements of Financial Position",
     "isDefault": "false",
     "groupType": "statement",
     "subGroupType": "",
     "menuCat": "Statements",
     "order": "3",
     "firstAnchor": {
      "contextRef": "c-4",
      "name": "tris:PublicUtilitiesPropertyPlantAndEquipmentPlantInServiceExcludingConstructionInProgress",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-4",
      "name": "us-gaap:PublicUtilitiesPropertyPlantAndEquipmentPlantInService",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "unique": true
     }
    },
    "R4": {
     "role": "http://www.tristategt.org/role/ConsolidatedStatementsofOperations",
     "longName": "0000004 - Statement - Consolidated Statements of Operations",
     "shortName": "Consolidated Statements of Operations",
     "isDefault": "false",
     "groupType": "statement",
     "subGroupType": "",
     "menuCat": "Statements",
     "order": "4",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "tris:OtherOperatingRevenueIncludingRevenueFromContractWithCustomer",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:UtilitiesOperatingExpensePurchasedPower",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "unique": true
     }
    },
    "R5": {
     "role": "http://www.tristategt.org/role/ConsolidatedStatementsofComprehensiveIncome",
     "longName": "0000005 - Statement - Consolidated Statements of Comprehensive Income",
     "shortName": "Consolidated Statements of Comprehensive Income",
     "isDefault": "false",
     "groupType": "statement",
     "subGroupType": "",
     "menuCat": "Statements",
     "order": "5",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:ProfitLoss",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:OtherComprehensiveIncomeLossNetOfTax",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "unique": true
     }
    },
    "R6": {
     "role": "http://www.tristategt.org/role/ConsolidatedStatementsofEquity",
     "longName": "0000006 - Statement - Consolidated Statements of Equity",
     "shortName": "Consolidated Statements of Equity",
     "isDefault": "false",
     "groupType": "statement",
     "subGroupType": "",
     "menuCat": "Statements",
     "order": "6",
     "firstAnchor": {
      "contextRef": "c-28",
      "name": "us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-28",
      "name": "us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R7": {
     "role": "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows",
     "longName": "0000007 - Statement - Consolidated Statements of Cash Flows",
     "shortName": "Consolidated Statements of Cash Flows",
     "isDefault": "false",
     "groupType": "statement",
     "subGroupType": "",
     "menuCat": "Statements",
     "order": "7",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:ProfitLoss",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "tris:AmortizationOfRetirementAndSecurityPlanPrepayment",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "unique": true
     }
    },
    "R8": {
     "role": "http://www.tristategt.org/role/ORGANIZATION",
     "longName": "0000008 - Disclosure - ORGANIZATION",
     "shortName": "ORGANIZATION",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "8",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:NatureOfOperations",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:NatureOfOperations",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R9": {
     "role": "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIES",
     "longName": "0000009 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES",
     "shortName": "SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "9",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:BasisOfPresentationAndSignificantAccountingPoliciesTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:BasisOfPresentationAndSignificantAccountingPoliciesTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R10": {
     "role": "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENT",
     "longName": "0000010 - Disclosure - PROPERTY, PLANT AND EQUIPMENT",
     "shortName": "PROPERTY, PLANT AND EQUIPMENT",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "10",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R11": {
     "role": "http://www.tristategt.org/role/ASSETRETIREMENTANDENVIRONMENTALRECLAMATIONOBLIGATIONS",
     "longName": "0000011 - Disclosure - ASSET RETIREMENT AND ENVIRONMENTAL RECLAMATION OBLIGATIONS",
     "shortName": "ASSET RETIREMENT AND ENVIRONMENTAL RECLAMATION OBLIGATIONS",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "11",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "tris:AssetRetirementObligationAndAccrualForEnvironmentalLossContingenciesTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "tris:AssetRetirementObligationAndAccrualForEnvironmentalLossContingenciesTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R12": {
     "role": "http://www.tristategt.org/role/CONTRACTASSETSANDCONTRACTLIABILITIES",
     "longName": "0000012 - Disclosure - CONTRACT ASSETS AND CONTRACT LIABILITIES",
     "shortName": "CONTRACT ASSETS AND CONTRACT LIABILITIES",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "12",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "tris:ContractWithCustomerAssetsAndLiabilitiesTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "tris:ContractWithCustomerAssetsAndLiabilitiesTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R13": {
     "role": "http://www.tristategt.org/role/LONGTERMDEBT",
     "longName": "0000013 - Disclosure - LONG-TERM DEBT",
     "shortName": "LONG-TERM DEBT",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "13",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:LongTermDebtTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:LongTermDebtTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R14": {
     "role": "http://www.tristategt.org/role/SHORTTERMBORROWINGS",
     "longName": "0000014 - Disclosure - SHORT-TERM BORROWINGS",
     "shortName": "SHORT-TERM BORROWINGS",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "14",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:ShortTermDebtTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:ShortTermDebtTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R15": {
     "role": "http://www.tristategt.org/role/FAIRVALUE",
     "longName": "0000015 - Disclosure - FAIR VALUE",
     "shortName": "FAIR VALUE",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "15",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:FairValueMeasurementInputsDisclosureTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:FairValueMeasurementInputsDisclosureTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R16": {
     "role": "http://www.tristategt.org/role/INCOMETAXES",
     "longName": "0000016 - Disclosure - INCOME TAXES",
     "shortName": "INCOME TAXES",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "16",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:IncomeTaxDisclosureTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:IncomeTaxDisclosureTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R17": {
     "role": "http://www.tristategt.org/role/REVENUE",
     "longName": "0000017 - Disclosure - REVENUE",
     "shortName": "REVENUE",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "17",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:RevenueFromContractWithCustomerTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:RevenueFromContractWithCustomerTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R18": {
     "role": "http://www.tristategt.org/role/LEASES",
     "longName": "0000018 - Disclosure - LEASES",
     "shortName": "LEASES",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "18",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:LesseeOperatingLeasesTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "us-gaap:OperatingLeasesOfLessorDisclosureTextBlock",
       "span",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:LesseeOperatingLeasesTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "us-gaap:OperatingLeasesOfLessorDisclosureTextBlock",
       "span",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R19": {
     "role": "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANS",
     "longName": "0000019 - Disclosure - EMPLOYEE BENEFIT PLANS",
     "shortName": "EMPLOYEE BENEFIT PLANS",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "19",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:PensionAndOtherPostretirementBenefitsDisclosureTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:PensionAndOtherPostretirementBenefitsDisclosureTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R20": {
     "role": "http://www.tristategt.org/role/VARIABLEINTERESTENTITIES",
     "longName": "0000020 - Disclosure - VARIABLE INTEREST ENTITIES",
     "shortName": "VARIABLE INTEREST ENTITIES",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "20",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:VariableInterestEntityDisclosureTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:VariableInterestEntityDisclosureTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R21": {
     "role": "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIES",
     "longName": "0000021 - Disclosure - COMMITMENTS AND CONTINGENCIES",
     "shortName": "COMMITMENTS AND CONTINGENCIES",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "21",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R22": {
     "role": "http://www.tristategt.org/role/SUBSEQUENTEVENTS",
     "longName": "0000022 - Disclosure - SUBSEQUENT EVENTS",
     "shortName": "SUBSEQUENT EVENTS",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "22",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:SubsequentEventsTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:SubsequentEventsTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R23": {
     "role": "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPolicies",
     "longName": "9954471 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)",
     "shortName": "SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "policies",
     "menuCat": "Policies",
     "order": "23",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:ConsolidationPolicyTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:ConsolidationPolicyTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R24": {
     "role": "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESTables",
     "longName": "9954472 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)",
     "shortName": "SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "24",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "tris:ScheduleOfRegulatoryAssetsAndLiabilitiesTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "tris:ScheduleOfRegulatoryAssetsAndLiabilitiesTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R25": {
     "role": "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTTables",
     "longName": "9954473 - Disclosure - PROPERTY, PLANT AND EQUIPMENT (Tables)",
     "shortName": "PROPERTY, PLANT AND EQUIPMENT (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "25",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:ScheduleOfPublicUtilityPropertyPlantAndEquipmentTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:ScheduleOfPublicUtilityPropertyPlantAndEquipmentTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R26": {
     "role": "http://www.tristategt.org/role/ASSETRETIREMENTANDENVIRONMENTALRECLAMATIONOBLIGATIONSTables",
     "longName": "9954474 - Disclosure - ASSET RETIREMENT AND ENVIRONMENTAL RECLAMATION OBLIGATIONS (Tables)",
     "shortName": "ASSET RETIREMENT AND ENVIRONMENTAL RECLAMATION OBLIGATIONS (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "26",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "tris:ScheduleOfAssetRetirementObligationAndAccrualForEnvironmentalLossContingenciesTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "tris:ScheduleOfAssetRetirementObligationAndAccrualForEnvironmentalLossContingenciesTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R27": {
     "role": "http://www.tristategt.org/role/CONTRACTASSETSANDCONTRACTLIABILITIESTables",
     "longName": "9954475 - Disclosure - CONTRACT ASSETS AND CONTRACT LIABILITIES (Tables)",
     "shortName": "CONTRACT ASSETS AND CONTRACT LIABILITIES (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "27",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:ContractWithCustomerAssetAndLiabilityTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:ContractWithCustomerAssetAndLiabilityTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R28": {
     "role": "http://www.tristategt.org/role/LONGTERMDEBTTables",
     "longName": "9954476 - Disclosure - LONG-TERM DEBT (Tables)",
     "shortName": "LONG-TERM DEBT (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "28",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:ScheduleOfDebtInstrumentsTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:ScheduleOfDebtInstrumentsTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R29": {
     "role": "http://www.tristategt.org/role/SHORTTERMBORROWINGSTables",
     "longName": "9954477 - Disclosure - SHORT-TERM BORROWINGS (Tables)",
     "shortName": "SHORT-TERM BORROWINGS (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "29",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:ScheduleOfShortTermDebtTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:ScheduleOfShortTermDebtTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R30": {
     "role": "http://www.tristategt.org/role/FAIRVALUETables",
     "longName": "9954478 - Disclosure - FAIR VALUE (Tables)",
     "shortName": "FAIR VALUE (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "30",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:FairValueByBalanceSheetGroupingTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:FairValueByBalanceSheetGroupingTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R31": {
     "role": "http://www.tristategt.org/role/INCOMETAXESTables",
     "longName": "9954479 - Disclosure - INCOME TAXES (Tables)",
     "shortName": "INCOME TAXES (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "31",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R32": {
     "role": "http://www.tristategt.org/role/REVENUETables",
     "longName": "9954480 - Disclosure - REVENUE (Tables)",
     "shortName": "REVENUE (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "32",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:DisaggregationOfRevenueTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:DisaggregationOfRevenueTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R33": {
     "role": "http://www.tristategt.org/role/LEASESTables",
     "longName": "9954481 - Disclosure - LEASES (Tables)",
     "shortName": "LEASES (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "33",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:LeaseCostTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:LeaseCostTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R34": {
     "role": "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSTables",
     "longName": "9954482 - Disclosure - EMPLOYEE BENEFIT PLANS (Tables)",
     "shortName": "EMPLOYEE BENEFIT PLANS (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "34",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:ScheduleOfChangesInProjectedBenefitObligationsTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:ScheduleOfChangesInProjectedBenefitObligationsTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R35": {
     "role": "http://www.tristategt.org/role/VARIABLEINTERESTENTITIESTables",
     "longName": "9954483 - Disclosure - VARIABLE INTEREST ENTITIES (Tables)",
     "shortName": "VARIABLE INTEREST ENTITIES (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "35",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:ScheduleOfVariableInterestEntitiesTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:ScheduleOfVariableInterestEntitiesTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R36": {
     "role": "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESTables",
     "longName": "9954484 - Disclosure - COMMITMENTS AND CONTINGENCIES (Tables)",
     "shortName": "COMMITMENTS AND CONTINGENCIES (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "36",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "srt:ContractualObligationFiscalYearMaturityScheduleTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "srt:ContractualObligationFiscalYearMaturityScheduleTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R37": {
     "role": "http://www.tristategt.org/role/ORGANIZATIONDetails",
     "longName": "9954485 - Disclosure - ORGANIZATION (Details)",
     "shortName": "ORGANIZATION (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "37",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "tris:NumberOfClassesOfMembers",
      "unitRef": "class_of_membership",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "0",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "tris:NumberOfClassesOfMembers",
      "unitRef": "class_of_membership",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "0",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R38": {
     "role": "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESJointlyOwnedFacilitiesDetails",
     "longName": "9954486 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Jointly Owned Facilities (Details)",
     "shortName": "SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Jointly Owned Facilities (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "38",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "tris:JointlyOwnedUtilityPlantNumber",
      "unitRef": "facility",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "0",
      "ancestors": [
       "ix:continuation",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "tris:JointlyOwnedUtilityPlantNumber",
      "unitRef": "facility",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "0",
      "ancestors": [
       "ix:continuation",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R39": {
     "role": "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESSegmentsandImpairmentLossesDetails",
     "longName": "9954487 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Segments and Impairment Losses (Details)",
     "shortName": "SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Segments and Impairment Losses (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "39",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:NumberOfOperatingSegments",
      "unitRef": "operating_segment",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "0",
      "ancestors": [
       "span",
       "div",
       "us-gaap:SegmentReportingPolicyPolicyTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:NumberOfOperatingSegments",
      "unitRef": "operating_segment",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "0",
      "ancestors": [
       "span",
       "div",
       "us-gaap:SegmentReportingPolicyPolicyTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R40": {
     "role": "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails",
     "longName": "9954488 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Regulatory Assets and Liabilities (Details)",
     "shortName": "SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Regulatory Assets and Liabilities (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "40",
     "firstAnchor": {
      "contextRef": "c-4",
      "name": "us-gaap:RegulatoryAssets",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "tris:ScheduleOfRegulatoryAssetsAndLiabilitiesTableTextBlock",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-4",
      "name": "us-gaap:NetRegulatoryAssets",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "tris:ScheduleOfRegulatoryAssetsAndLiabilitiesTableTextBlock",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "unique": true
     }
    },
    "R41": {
     "role": "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESElectricPlantandDepreciationDetails",
     "longName": "9954489 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Electric Plant and Depreciation (Details)",
     "shortName": "SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Electric Plant and Depreciation (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "41",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:PublicUtilitiesPropertyPlantAndEquipmentInterestRateOnIntermediaryDebtForElectricUtilityPlantConstruction",
      "unitRef": "number",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "3",
      "ancestors": [
       "ix:continuation",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:PublicUtilitiesPropertyPlantAndEquipmentInterestRateOnIntermediaryDebtForElectricUtilityPlantConstruction",
      "unitRef": "number",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "3",
      "ancestors": [
       "ix:continuation",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R42": {
     "role": "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESInvestmentsinOtherAssociationsDetails",
     "longName": "9954490 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Investments in Other Associations (Details)",
     "shortName": "SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Investments in Other Associations (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "42",
     "firstAnchor": {
      "contextRef": "c-4",
      "name": "us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueAmount",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "0",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "unique": true
     }
    },
    "R43": {
     "role": "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESMarketableSecuritiesDetails",
     "longName": "9954491 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Marketable Securities (Details)",
     "shortName": "SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Marketable Securities (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "43",
     "firstAnchor": {
      "contextRef": "c-111",
      "name": "us-gaap:MarketableSecuritiesNoncurrent",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true
     },
     "uniqueAnchor": null
    },
    "R44": {
     "role": "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESInventoriesDetails",
     "longName": "9954492 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Inventories (Details)",
     "shortName": "SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Inventories (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "44",
     "firstAnchor": {
      "contextRef": "c-4",
      "name": "us-gaap:EnergyRelatedInventoryCoal",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-114",
      "name": "us-gaap:EnergyRelatedInventoryCoal",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-5",
      "ancestors": [
       "span",
       "div",
       "us-gaap:InventoryPolicyTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "unique": true
     }
    },
    "R45": {
     "role": "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESOtherDeferredChargesDetails",
     "longName": "9954493 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Other Deferred Charges (Details)",
     "shortName": "SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Other Deferred Charges (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "45",
     "firstAnchor": {
      "contextRef": "c-4",
      "name": "tris:PreliminarySurveysPlansAndInvestigations",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-4",
      "name": "tris:PreliminarySurveysPlansAndInvestigations",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R46": {
     "role": "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESOtherDeferredCreditsandOtherLiabilitiesDetails",
     "longName": "9954494 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Other Deferred Credits and Other Liabilities (Details)",
     "shortName": "SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Other Deferred Credits and Other Liabilities (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "46",
     "firstAnchor": {
      "contextRef": "c-4",
      "name": "tris:EasementRightOfWayPresentValueOfPaymentsDue",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:OtherNoncurrentLiabilitiesTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-4",
      "name": "tris:TransmissionDeposits",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:OtherNoncurrentLiabilitiesTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "unique": true
     }
    },
    "R47": {
     "role": "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESInterchangePowerDetails",
     "longName": "9954495 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Interchange Power (Details)",
     "shortName": "SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Interchange Power (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "47",
     "firstAnchor": {
      "contextRef": "c-119",
      "name": "us-gaap:EnergyMarketingAccountsPayable",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-5",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-119",
      "name": "us-gaap:EnergyMarketingAccountsPayable",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-5",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R48": {
     "role": "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTElectricPlantDetails",
     "longName": "9954496 - Disclosure - PROPERTY, PLANT AND EQUIPMENT - Electric Plant (Details)",
     "shortName": "PROPERTY, PLANT AND EQUIPMENT - Electric Plant (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "48",
     "firstAnchor": {
      "contextRef": "c-4",
      "name": "tris:PublicUtilitiesPropertyPlantAndEquipmentPlantInServiceExcludingConstructionInProgress",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-136",
      "name": "tris:PublicUtilitiesPropertyPlantAndEquipmentPlantInServiceExcludingConstructionInProgress",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfPublicUtilityPropertyPlantAndEquipmentTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "unique": true
     }
    },
    "R49": {
     "role": "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTConstructionCommitmentsDetails",
     "longName": "9954497 - Disclosure - PROPERTY, PLANT AND EQUIPMENT - Construction Commitments (Details)",
     "shortName": "PROPERTY, PLANT AND EQUIPMENT - Construction Commitments (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "49",
     "firstAnchor": {
      "contextRef": "c-150",
      "name": "us-gaap:PurchaseObligation",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-5",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-150",
      "name": "us-gaap:PurchaseObligation",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-5",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R50": {
     "role": "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTJointlyOwnedFacilitiesDetails",
     "longName": "9954498 - Disclosure - PROPERTY, PLANT AND EQUIPMENT - Jointly Owned Facilities (Details)",
     "shortName": "PROPERTY, PLANT AND EQUIPMENT - Jointly Owned Facilities (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "50",
     "firstAnchor": {
      "contextRef": "c-4",
      "name": "us-gaap:JointlyOwnedUtilityPlantGrossOwnershipAmountOfPlantInService",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfJointlyOwnedUtilityPlantsTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-4",
      "name": "us-gaap:JointlyOwnedUtilityPlantGrossOwnershipAmountOfPlantInService",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfJointlyOwnedUtilityPlantsTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R51": {
     "role": "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTOtherPlantDetails",
     "longName": "9954499 - Disclosure - PROPERTY, PLANT AND EQUIPMENT - Other Plant (Details)",
     "shortName": "PROPERTY, PLANT AND EQUIPMENT - Other Plant (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "51",
     "firstAnchor": {
      "contextRef": "c-4",
      "name": "us-gaap:PropertyPlantAndEquipmentOther",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-158",
      "name": "tris:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentOther",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:PropertyPlantAndEquipmentTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "unique": true
     }
    },
    "R52": {
     "role": "http://www.tristategt.org/role/ASSETRETIREMENTANDENVIRONMENTALRECLAMATIONOBLIGATIONSNarrativeDetails",
     "longName": "9954500 - Disclosure - ASSET RETIREMENT AND ENVIRONMENTAL RECLAMATION OBLIGATIONS - Narrative (Details)",
     "shortName": "ASSET RETIREMENT AND ENVIRONMENTAL RECLAMATION OBLIGATIONS - Narrative (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "52",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "tris:NumberOfCoalMineAssetRetirementObligationsRevised",
      "unitRef": "asset_retirement_obligation",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "0",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "tris:NumberOfCoalMineAssetRetirementObligationsRevised",
      "unitRef": "asset_retirement_obligation",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "0",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R53": {
     "role": "http://www.tristategt.org/role/ASSETRETIREMENTANDENVIRONMENTALRECLAMATIONOBLIGATIONSSummaryDetails",
     "longName": "9954501 - Disclosure - ASSET RETIREMENT AND ENVIRONMENTAL RECLAMATION OBLIGATIONS - Summary (Details)",
     "shortName": "ASSET RETIREMENT AND ENVIRONMENTAL RECLAMATION OBLIGATIONS - Summary (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "53",
     "firstAnchor": {
      "contextRef": "c-5",
      "name": "tris:AssetRetirementObligationAndAccrualForEnvironmentalLossContingencies",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "tris:ScheduleOfAssetRetirementObligationAndAccrualForEnvironmentalLossContingenciesTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-53",
      "name": "tris:AssetRetirementObligationAndAccrualForEnvironmentalLossContingencies",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "tris:ScheduleOfAssetRetirementObligationAndAccrualForEnvironmentalLossContingenciesTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "unique": true
     }
    },
    "R54": {
     "role": "http://www.tristategt.org/role/CONTRACTASSETSANDCONTRACTLIABILITIESDetails",
     "longName": "9954502 - Disclosure - CONTRACT ASSETS AND CONTRACT LIABILITIES (Details)",
     "shortName": "CONTRACT ASSETS AND CONTRACT LIABILITIES (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "54",
     "firstAnchor": {
      "contextRef": "c-4",
      "name": "us-gaap:ContractWithCustomerAssetNet",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "0",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-4",
      "name": "us-gaap:ContractWithCustomerAssetNet",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "0",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R55": {
     "role": "http://www.tristategt.org/role/LONGTERMDEBTNarrativeDetails",
     "longName": "9954503 - Disclosure - LONG-TERM DEBT - Narrative (Details)",
     "shortName": "LONG-TERM DEBT - Narrative (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "55",
     "firstAnchor": {
      "contextRef": "c-4",
      "name": "us-gaap:LongTermDebtNoncurrent",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfDebtInstrumentsTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-179",
      "name": "us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "unique": true
     }
    },
    "R56": {
     "role": "http://www.tristategt.org/role/LONGTERMDEBTSummaryDetails",
     "longName": "9954504 - Disclosure - LONG-TERM DEBT - Summary (Details)",
     "shortName": "LONG-TERM DEBT - Summary (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "56",
     "firstAnchor": {
      "contextRef": "c-4",
      "name": "us-gaap:DebtInstrumentCarryingAmount",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfDebtInstrumentsTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-4",
      "name": "us-gaap:UnamortizedDebtIssuanceExpense",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfDebtInstrumentsTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "unique": true
     }
    },
    "R57": {
     "role": "http://www.tristategt.org/role/LONGTERMDEBTAnnualMaturitiesDetails",
     "longName": "9954505 - Disclosure - LONG-TERM DEBT - Annual Maturities (Details)",
     "shortName": "LONG-TERM DEBT - Annual Maturities (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "57",
     "firstAnchor": {
      "contextRef": "c-4",
      "name": "us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfMaturitiesOfLongTermDebtTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-4",
      "name": "us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfMaturitiesOfLongTermDebtTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R58": {
     "role": "http://www.tristategt.org/role/SHORTTERMBORROWINGSDetails",
     "longName": "9954506 - Disclosure - SHORT-TERM BORROWINGS (Details)",
     "shortName": "SHORT-TERM BORROWINGS (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "58",
     "firstAnchor": {
      "contextRef": "c-4",
      "name": "us-gaap:ShortTermBorrowings",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-4",
      "name": "us-gaap:ShortTermDebtWeightedAverageInterestRate",
      "unitRef": "number",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "4",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfShortTermDebtTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "unique": true
     }
    },
    "R59": {
     "role": "http://www.tristategt.org/role/FAIRVALUEDetails",
     "longName": "9954507 - Disclosure - FAIR VALUE (Details)",
     "shortName": "FAIR VALUE (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "59",
     "firstAnchor": {
      "contextRef": "c-4",
      "name": "us-gaap:CashAndCashEquivalentsFairValueDisclosure",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-5",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-4",
      "name": "us-gaap:CashAndCashEquivalentsFairValueDisclosure",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-5",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R60": {
     "role": "http://www.tristategt.org/role/INCOMETAXESNarrativeDetails",
     "longName": "9954508 - Disclosure - INCOME TAXES - Narrative (Details)",
     "shortName": "INCOME TAXES - Narrative (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "60",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:CurrentIncomeTaxExpenseBenefit",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:CurrentIncomeTaxExpenseBenefit",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R61": {
     "role": "http://www.tristategt.org/role/INCOMETAXESNetDeferredTaxLiabilityDetails",
     "longName": "9954509 - Disclosure - INCOME TAXES - Net Deferred Tax Liability (Details)",
     "shortName": "INCOME TAXES - Net Deferred Tax Liability (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "61",
     "firstAnchor": {
      "contextRef": "c-4",
      "name": "us-gaap:DeferredTaxAssetsOperatingLossCarryforwards",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-4",
      "name": "us-gaap:DeferredTaxAssetsOperatingLossCarryforwards",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R62": {
     "role": "http://www.tristategt.org/role/INCOMETAXESEffectiveIncomeTaxReconciliationDetails",
     "longName": "9954510 - Disclosure - INCOME TAXES - Effective Income Tax Reconciliation (Details)",
     "shortName": "INCOME TAXES - Effective Income Tax Reconciliation (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "62",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R63": {
     "role": "http://www.tristategt.org/role/INCOMETAXESOperatingLossandTaxCreditCarryforwardsDetails",
     "longName": "9954511 - Disclosure - INCOME TAXES - Operating Loss and Tax Credit Carryforwards (Details)",
     "shortName": "INCOME TAXES - Operating Loss and Tax Credit Carryforwards (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "63",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "tris:TaxableIncomeLoss",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-5",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "tris:TaxableIncomeLoss",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-5",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R64": {
     "role": "http://www.tristategt.org/role/REVENUENarrativeDetails",
     "longName": "9954512 - Disclosure - REVENUE - Narrative (Details)",
     "shortName": "REVENUE - Narrative (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "64",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "tris:NumberOfUtilityMembers",
      "unitRef": "utility_member",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "0",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "tris:NumberOfUtilityMembers",
      "unitRef": "utility_member",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "0",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R65": {
     "role": "http://www.tristategt.org/role/REVENUESummaryDetails",
     "longName": "9954513 - Disclosure - REVENUE - Summary (Details)",
     "shortName": "REVENUE - Summary (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "65",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "tris:OtherOperatingRevenueIncludingRevenueFromContractWithCustomer",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-257",
      "name": "us-gaap:Revenues",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "unique": true
     }
    },
    "R66": {
     "role": "http://www.tristategt.org/role/LEASESNarrativeDetails",
     "longName": "9954514 - Disclosure - LEASES - Narrative (Details)",
     "shortName": "LEASES - Narrative (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "66",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:OperatingLeaseExpense",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-5",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "us-gaap:OperatingLeaseExpense",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-5",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R67": {
     "role": "http://www.tristategt.org/role/LEASESLeaseComponentsDetails",
     "longName": "9954515 - Disclosure - LEASES - Lease Components (Details)",
     "shortName": "LEASES - Lease Components (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "67",
     "firstAnchor": {
      "contextRef": "c-4",
      "name": "tris:OperatingLeaseRightOfUseAssetGross",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:LeaseCostTableTextBlock",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-4",
      "name": "tris:OperatingLeaseRightOfUseAssetGross",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:LeaseCostTableTextBlock",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R68": {
     "role": "http://www.tristategt.org/role/LEASESFutureMinimumLeaseCommitmentsDetails",
     "longName": "9954516 - Disclosure - LEASES - Future Minimum Lease Commitments (Details)",
     "shortName": "LEASES - Future Minimum Lease Commitments (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "68",
     "firstAnchor": {
      "contextRef": "c-4",
      "name": "us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:LesseeOperatingLeaseLiabilityMaturityTableTextBlock",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-4",
      "name": "us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:LesseeOperatingLeaseLiabilityMaturityTableTextBlock",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R69": {
     "role": "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedBenefitPlanDetails",
     "longName": "9954517 - Disclosure - EMPLOYEE BENEFIT PLANS - Defined Benefit Plan (Details)",
     "shortName": "EMPLOYEE BENEFIT PLANS - Defined Benefit Plan (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "69",
     "firstAnchor": {
      "contextRef": "c-4",
      "name": "dei:EntityNumberOfEmployees",
      "unitRef": "employee",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "0",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-264",
      "name": "us-gaap:MultiemployerPlanEmployerContributionCost",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-5",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "unique": true
     }
    },
    "R70": {
     "role": "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsPlansAmendmentsandObligationsDetails",
     "longName": "9954518 - Disclosure - EMPLOYEE BENEFIT PLANS - Postretirement Benefits Other than Pensions, Plans, Amendments and Obligations (Details)",
     "shortName": "EMPLOYEE BENEFIT PLANS - Postretirement Benefits Other than Pensions, Plans, Amendments and Obligations (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "70",
     "firstAnchor": {
      "contextRef": "c-4",
      "name": "tris:DefinedBenefitPlanThresholdUnrecognizedAmountOfActuarialGainsAndLossesAsPercentageOfAccumulatedPostretirementBenefitObligation",
      "unitRef": "number",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "2",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-4",
      "name": "tris:DefinedBenefitPlanThresholdUnrecognizedAmountOfActuarialGainsAndLossesAsPercentageOfAccumulatedPostretirementBenefitObligation",
      "unitRef": "number",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "2",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R71": {
     "role": "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsActuarialGainsandLossesandAssumptionsDetails",
     "longName": "9954519 - Disclosure - EMPLOYEE BENEFIT PLANS - Postretirement Benefits Other than Pensions, Actuarial Gains and Losses, and Assumptions (Details)",
     "shortName": "EMPLOYEE BENEFIT PLANS - Postretirement Benefits Other than Pensions, Actuarial Gains and Losses, and Assumptions (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "71",
     "firstAnchor": {
      "contextRef": "c-273",
      "name": "us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesAfterTax",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfDefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-275",
      "name": "us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesAfterTax",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfDefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "unique": true
     }
    },
    "R72": {
     "role": "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedContributionPlansDetails",
     "longName": "9954520 - Disclosure - EMPLOYEE BENEFIT PLANS - Defined Contribution Plans (Details)",
     "shortName": "EMPLOYEE BENEFIT PLANS - Defined Contribution Plans (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "72",
     "firstAnchor": {
      "contextRef": "c-276",
      "name": "tris:DefinedBenefitPlanNumberOfPlans",
      "unitRef": "plan",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "0",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-276",
      "name": "tris:DefinedBenefitPlanNumberOfPlans",
      "unitRef": "plan",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "0",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R73": {
     "role": "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsDetails",
     "longName": "9954521 - Disclosure - EMPLOYEE BENEFIT PLANS - Postretirement Benefits Other than Pensions (Details)",
     "shortName": "EMPLOYEE BENEFIT PLANS - Postretirement Benefits Other than Pensions (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "73",
     "firstAnchor": {
      "contextRef": "c-285",
      "name": "tris:DefinedBenefitPlanNumberOfPlans",
      "unitRef": "plan",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "0",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-285",
      "name": "tris:DefinedBenefitPlanNumberOfPlans",
      "unitRef": "plan",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "0",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R74": {
     "role": "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSExpectedFutureBenefitsDetails",
     "longName": "9954522 - Disclosure - EMPLOYEE BENEFIT PLANS - Expected Future Benefits (Details)",
     "shortName": "EMPLOYEE BENEFIT PLANS - Expected Future Benefits (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "74",
     "firstAnchor": {
      "contextRef": "c-290",
      "name": "us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfExpectedBenefitPaymentsTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-290",
      "name": "us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfExpectedBenefitPaymentsTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R75": {
     "role": "http://www.tristategt.org/role/VARIABLEINTERESTENTITIESDetails",
     "longName": "9954523 - Disclosure - VARIABLE INTEREST ENTITIES (Details)",
     "shortName": "VARIABLE INTEREST ENTITIES (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "75",
     "firstAnchor": {
      "contextRef": "c-4",
      "name": "us-gaap:PublicUtilitiesPropertyPlantAndEquipmentNet",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-295",
      "name": "us-gaap:VariableInterestEntityOwnershipPercentage",
      "unitRef": "number",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "2",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "unique": true
     }
    },
    "R76": {
     "role": "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESCoalPurchaseRequirementsDetails",
     "longName": "9954524 - Disclosure - COMMITMENTS AND CONTINGENCIES - Coal Purchase Requirements (Details)",
     "shortName": "COMMITMENTS AND CONTINGENCIES - Coal Purchase Requirements (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "76",
     "firstAnchor": {
      "contextRef": "c-304",
      "name": "us-gaap:PurchaseObligationDueInNextTwelveMonths",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-304",
      "name": "us-gaap:PurchaseObligationDueInNextTwelveMonths",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-3",
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R77": {
     "role": "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESElectricPowerPurchaseAgreementsDetails",
     "longName": "9954525 - Disclosure - COMMITMENTS AND CONTINGENCIES - Electric Power Purchase Agreements (Details)",
     "shortName": "COMMITMENTS AND CONTINGENCIES - Electric Power Purchase Agreements (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "77",
     "firstAnchor": {
      "contextRef": "c-308",
      "name": "tris:NumberOfContracts",
      "unitRef": "contract",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "0",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-308",
      "name": "tris:NumberOfContracts",
      "unitRef": "contract",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "0",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true,
      "unique": true
     }
    },
    "R78": {
     "role": "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESLegalDetails",
     "longName": "9954526 - Disclosure - COMMITMENTS AND CONTINGENCIES - Legal (Details)",
     "shortName": "COMMITMENTS AND CONTINGENCIES - Legal (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "78",
     "firstAnchor": {
      "contextRef": "c-325",
      "name": "tris:EnergySalesSoftCapPriceThreshold",
      "unitRef": "usdPerMWh",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "0",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-326",
      "name": "tris:EnergySalesFundsInExcessOfSoftCap",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-5",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "tris-20231231.htm",
      "unique": true
     }
    }
   },
   "tag": {
    "tris_A401kPlanMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "A401kPlanMember",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedContributionPlansDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "401(k) Plan",
        "label": "401(k) Plan [Member]",
        "documentation": "401(k) Plan"
       }
      }
     },
     "auth_ref": []
    },
    "tris_A409aPlanMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "A409aPlanMember",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedContributionPlansDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "409(a) Plan",
        "label": "409(a) Plan [Member]",
        "documentation": "409(a) Plan"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AccountingPoliciesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "AccountingPoliciesAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Accounting Policies [Abstract]",
        "label": "Accounting Policies [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AccountsNotesAndLoansReceivableLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "AccountsNotesAndLoansReceivableLineItems",
     "presentation": [
      "http://www.tristategt.org/role/CONTRACTASSETSANDCONTRACTLIABILITIESDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Accounts, Notes, Loans and Financing Receivable [Line Items]",
        "label": "Accounts, Notes, Loans and Financing Receivable [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": []
    },
    "us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis",
     "presentation": [
      "http://www.tristategt.org/role/CONTRACTASSETSANDCONTRACTLIABILITIESDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Receivable Type [Axis]",
        "label": "Receivable Type [Axis]",
        "documentation": "Information by type of receivable."
       }
      }
     },
     "auth_ref": [
      "r32"
     ]
    },
    "us-gaap_AccountsPayableCurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "AccountsPayableCurrent",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Accounts payable",
        "label": "Accounts Payable, Current",
        "documentation": "Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer)."
       }
      }
     },
     "auth_ref": [
      "r22",
      "r715"
     ]
    },
    "us-gaap_AccountsPayableMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "AccountsPayableMember",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESInterchangePowerDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Accounts Payable",
        "label": "Accounts Payable [Member]",
        "documentation": "Obligations incurred and payable to vendors for goods and services received."
       }
      }
     },
     "auth_ref": [
      "r19"
     ]
    },
    "us-gaap_AccountsReceivableNetAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "AccountsReceivableNetAbstract",
     "presentation": [
      "http://www.tristategt.org/role/CONTRACTASSETSANDCONTRACTLIABILITIESDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Accounts receivable",
        "label": "Accounts Receivable, after Allowance for Credit Loss [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AccountsReceivableNetCurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "AccountsReceivableNetCurrent",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/CONTRACTASSETSANDCONTRACTLIABILITIESDetails",
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Accounts receivable\u2014Utility Members",
        "label": "Accounts Receivable, after Allowance for Credit Loss, Current",
        "documentation": "Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current."
       }
      }
     },
     "auth_ref": [
      "r290",
      "r291"
     ]
    },
    "us-gaap_AccrualForEnvironmentalLossContingencies": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "AccrualForEnvironmentalLossContingencies",
     "crdr": "credit",
     "presentation": [
      "http://www.tristategt.org/role/ASSETRETIREMENTANDENVIRONMENTALRECLAMATIONOBLIGATIONSNarrativeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Environmental reclamation obligations",
        "label": "Accrual for Environmental Loss Contingencies",
        "documentation": "Total costs accrued as of the balance sheet date for environmental loss contingencies."
       }
      }
     },
     "auth_ref": [
      "r311",
      "r679",
      "r736",
      "r737",
      "r784",
      "r786"
     ]
    },
    "us-gaap_AccrualForEnvironmentalLossContingenciesDiscountRate": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "AccrualForEnvironmentalLossContingenciesDiscountRate",
     "presentation": [
      "http://www.tristategt.org/role/ASSETRETIREMENTANDENVIRONMENTALRECLAMATIONOBLIGATIONSNarrativeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Discount rate of environmental reclamation obligations (as a percent)",
        "label": "Accrual for Environmental Loss Contingencies, Discount Rate",
        "documentation": "Rate applied to the undiscounted amount of environmental loss contingencies to arrive at the present value recorded as of the balance sheet date."
       }
      }
     },
     "auth_ref": [
      "r305",
      "r311"
     ]
    },
    "us-gaap_AccrualForEnvironmentalLossContingenciesGross": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "AccrualForEnvironmentalLossContingenciesGross",
     "crdr": "credit",
     "presentation": [
      "http://www.tristategt.org/role/ASSETRETIREMENTANDENVIRONMENTALRECLAMATIONOBLIGATIONSNarrativeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Undiscounted future cash outflows of environmental reclamation obligations",
        "label": "Accrual for Environmental Loss Contingencies, Gross",
        "documentation": "Undiscounted amount of the accrual for environmental loss contingencies."
       }
      }
     },
     "auth_ref": [
      "r305",
      "r311",
      "r786"
     ]
    },
    "tris_AccrualForEnvironmentalLossContingenciesNetOfDiscount": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "AccrualForEnvironmentalLossContingenciesNetOfDiscount",
     "crdr": "credit",
     "presentation": [
      "http://www.tristategt.org/role/ASSETRETIREMENTANDENVIRONMENTALRECLAMATIONOBLIGATIONSNarrativeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Discounted basis of environmental reclamation obligation",
        "label": "Accrual For Environmental Loss Contingencies, Net Of Discount",
        "documentation": "Accrual For Environmental Loss Contingencies, Net Of Discount"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AccrualForEnvironmentalLossContingenciesPeriodIncreaseDecrease": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "AccrualForEnvironmentalLossContingenciesPeriodIncreaseDecrease",
     "presentation": [
      "http://www.tristategt.org/role/ASSETRETIREMENTANDENVIRONMENTALRECLAMATIONOBLIGATIONSNarrativeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Increase (decrease) in environmental reclamation obligations",
        "label": "Accrual for Environmental Loss Contingencies, Period Increase (Decrease)",
        "documentation": "Increase (decrease) in the accrual for environmental loss contingencies during the reporting period."
       }
      }
     },
     "auth_ref": [
      "r788"
     ]
    },
    "tris_AccrualForEnvironmentalLossContingenciesReversedAmortizationPeriod": {
     "xbrltype": "durationItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "AccrualForEnvironmentalLossContingenciesReversedAmortizationPeriod",
     "presentation": [
      "http://www.tristategt.org/role/ASSETRETIREMENTANDENVIRONMENTALRECLAMATIONOBLIGATIONSNarrativeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Amortization period for portion of environmental reclamation obligations reversed",
        "label": "Accrual For Environmental Loss Contingencies, Reversed, Amortization Period",
        "documentation": "Accrual For Environmental Loss Contingencies, Reversed, Amortization Period"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "AccrualForTaxesOtherThanIncomeTaxesCurrent",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0,
       "order": 7.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Accrued property taxes",
        "label": "Accrual for Taxes Other than Income Taxes, Current",
        "documentation": "Carrying value as of the balance sheet date of obligations incurred and payable for real and property taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer)."
       }
      }
     },
     "auth_ref": [
      "r26",
      "r67",
      "r669"
     ]
    },
    "us-gaap_AccruedEnvironmentalLossContingenciesNoncurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "AccruedEnvironmentalLossContingenciesNoncurrent",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESOtherDeferredCreditsandOtherLiabilitiesDetails": {
       "parentTag": "tris_OtherDeferredCreditsAndOtherLiabilities",
       "weight": 1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESOtherDeferredCreditsandOtherLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Financial liabilities - reclamation",
        "label": "Accrued Environmental Loss Contingencies, Noncurrent",
        "documentation": "Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable after twelve months or beyond the next operating cycle if longer."
       }
      }
     },
     "auth_ref": [
      "r30",
      "r783",
      "r784",
      "r786"
     ]
    },
    "us-gaap_AccruedLiabilitiesCurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "AccruedLiabilitiesCurrent",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Accrued expenses",
        "label": "Accrued Liabilities, Current",
        "documentation": "Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer)."
       }
      }
     },
     "auth_ref": [
      "r26"
     ]
    },
    "tris_AccumulatedAmortizationOperatingLeaseRightOfUseAsset": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "AccumulatedAmortizationOperatingLeaseRightOfUseAsset",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/LEASESLeaseComponentsDetails": {
       "parentTag": "us-gaap_OperatingLeaseRightOfUseAsset",
       "weight": -1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/LEASESLeaseComponentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedTerseLabel": "Less: Accumulated amortization",
        "label": "Accumulated Amortization, Operating Lease Right-Of-Use Asset",
        "documentation": "Amount of accumulated amortization for lessee operating lease right-of-use asset."
       }
      }
     },
     "auth_ref": []
    },
    "tris_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentOther": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentOther",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": "us-gaap_PropertyPlantAndEquipmentOtherNet",
       "weight": -1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition",
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTOtherPlantDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Less allowances for depreciation, amortization and depletion",
        "label": "Accumulated Depreciation, Depletion And Amortization, Property, Plant, And Equipment, Other",
        "documentation": "Accumulated Depreciation, Depletion And Amortization, Property, Plant, And Equipment, Other"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "AccumulatedOtherComprehensiveIncomeLossNetOfTax",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Accumulated other comprehensive loss",
        "label": "Accumulated Other Comprehensive Income (Loss), Net of Tax",
        "documentation": "Amount, after tax, of accumulated increase (decrease) in equity from transaction and other event and circumstance from nonowner source."
       }
      }
     },
     "auth_ref": [
      "r34",
      "r35",
      "r118",
      "r218",
      "r543",
      "r567",
      "r568"
     ]
    },
    "tris_AccumulatedOtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetOfTaxRollForward": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "AccumulatedOtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetOfTaxRollForward",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsActuarialGainsandLossesandAssumptionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Net unrecognized actuarial gains and losses related to the postretirement medical benefit obligation are included in accumulated other comprehensive income",
        "label": "Accumulated Other Comprehensive Income (Loss), Pension And Other Postretirement Benefit Plans, Net Of Tax [Roll Forward]",
        "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AccumulatedOtherComprehensiveIncomeMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "AccumulatedOtherComprehensiveIncomeMember",
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Accumulated other comprehensive income (loss)",
        "label": "AOCI Attributable to Parent [Member]",
        "documentation": "Accumulated increase (decrease) in equity from transactions and other events and circumstances from non-owner sources, attributable to the parent. Excludes net income (loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners."
       }
      }
     },
     "auth_ref": [
      "r4",
      "r15",
      "r35",
      "r491",
      "r494",
      "r524",
      "r563",
      "r564",
      "r761",
      "r762",
      "r763",
      "r772",
      "r773",
      "r774"
     ]
    },
    "us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract",
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Adjustments to reconcile net margins to net cash provided by operating activities:",
        "label": "Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "tris_AllOtherLongTermDebtMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "AllOtherLongTermDebtMember",
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTNarrativeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "All Other Long-Term Debt",
        "label": "All Other Long-Term Debt [Member]",
        "documentation": "All Other Long-Term Debt"
       }
      }
     },
     "auth_ref": []
    },
    "dei_AmendmentFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "AmendmentFlag",
     "presentation": [
      "http://www.tristategt.org/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": []
    },
    "us-gaap_AmortizationOfFinancingCosts": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "AmortizationOfFinancingCosts",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Amortization of debt issuance costs",
        "label": "Amortization of Debt Issuance Costs",
        "documentation": "Amount of amortization expense attributable to debt issuance costs."
       }
      }
     },
     "auth_ref": [
      "r120",
      "r342",
      "r509",
      "r766"
     ]
    },
    "tris_AmortizationOfRegulatoryAssetAnnualAmount": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "AmortizationOfRegulatoryAssetAnnualAmount",
     "crdr": "debit",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Annual amortization expense",
        "label": "Amortization Of Regulatory Asset, Annual Amount",
        "documentation": "The expense charged against earnings annually to allocate the capitalized costs of regulatory assets over the periods expected to benefit from such costs."
       }
      }
     },
     "auth_ref": []
    },
    "tris_AmortizationOfRetirementAndSecurityPlanPrepayment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "AmortizationOfRetirementAndSecurityPlanPrepayment",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Amortization of NRECA Retirement Security Plan prepayment",
        "label": "Amortization Of Retirement And Security Plan Prepayment",
        "documentation": "Amortization of NRECA Retirement and Security Plan prepayment."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ArrangementsAndNonarrangementTransactionsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ArrangementsAndNonarrangementTransactionsMember",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESOtherDeferredCreditsandOtherLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Arrangements and Non-arrangement Transactions [Domain]",
        "label": "Collaborative Arrangement and Arrangement Other than Collaborative [Domain]",
        "documentation": "Collaborative arrangement and arrangement other than collaborative applicable to revenue-generating activity or operations."
       }
      }
     },
     "auth_ref": [
      "r482"
     ]
    },
    "tris_AssetRetirementObligationAndAccrualForEnvironmentalLossContingencies": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "AssetRetirementObligationAndAccrualForEnvironmentalLossContingencies",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ASSETRETIREMENTANDENVIRONMENTALRECLAMATIONOBLIGATIONSSummaryDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ASSETRETIREMENTANDENVIRONMENTALRECLAMATIONOBLIGATIONSSummaryDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "periodStartLabel": "Obligations at beginning of period",
        "periodEndLabel": "Total obligations at end of period",
        "label": "Asset Retirement Obligation And Accrual For Environmental Loss Contingencies",
        "documentation": "Asset Retirement Obligation And Accrual For Environmental Loss Contingencies"
       }
      }
     },
     "auth_ref": []
    },
    "tris_AssetRetirementObligationAndAccrualForEnvironmentalLossContingenciesAccretionExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "AssetRetirementObligationAndAccrualForEnvironmentalLossContingenciesAccretionExpense",
     "crdr": "debit",
     "presentation": [
      "http://www.tristategt.org/role/ASSETRETIREMENTANDENVIRONMENTALRECLAMATIONOBLIGATIONSSummaryDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Accretion expense",
        "label": "Asset Retirement Obligation And Accrual For Environmental Loss Contingencies, Accretion Expense",
        "documentation": "Asset Retirement Obligation And Accrual For Environmental Loss Contingencies, Accretion Expense"
       }
      }
     },
     "auth_ref": []
    },
    "tris_AssetRetirementObligationAndAccrualForEnvironmentalLossContingenciesCurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "AssetRetirementObligationAndAccrualForEnvironmentalLossContingenciesCurrent",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ASSETRETIREMENTANDENVIRONMENTALRECLAMATIONOBLIGATIONSSummaryDetails": {
       "parentTag": "tris_AssetRetirementObligationAndAccrualForEnvironmentalLossContingencies",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ASSETRETIREMENTANDENVIRONMENTALRECLAMATIONOBLIGATIONSSummaryDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Less current obligations at end of period",
        "label": "Asset Retirement Obligation And Accrual For Environmental Loss Contingencies, Current",
        "documentation": "Asset Retirement Obligation And Accrual For Environmental Loss Contingencies, Current"
       }
      }
     },
     "auth_ref": []
    },
    "tris_AssetRetirementObligationAndAccrualForEnvironmentalLossContingenciesDisclosureAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "AssetRetirementObligationAndAccrualForEnvironmentalLossContingenciesDisclosureAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Asset Retirement Obligation And Accrual For Environmental Loss Contingencies Disclosure [Abstract]",
        "documentation": "Asset Retirement Obligation And Accrual For Environmental Loss Contingencies Disclosure"
       }
      }
     },
     "auth_ref": []
    },
    "tris_AssetRetirementObligationAndAccrualForEnvironmentalLossContingenciesLiabilitiesIncurred": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "AssetRetirementObligationAndAccrualForEnvironmentalLossContingenciesLiabilitiesIncurred",
     "crdr": "credit",
     "presentation": [
      "http://www.tristategt.org/role/ASSETRETIREMENTANDENVIRONMENTALRECLAMATIONOBLIGATIONSSummaryDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Liabilities incurred",
        "label": "Asset Retirement Obligation And Accrual For Environmental Loss Contingencies, Liabilities Incurred",
        "documentation": "Asset Retirement Obligation And Accrual For Environmental Loss Contingencies, Liabilities Incurred"
       }
      }
     },
     "auth_ref": []
    },
    "tris_AssetRetirementObligationAndAccrualForEnvironmentalLossContingenciesLiabilitiesSettled": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "AssetRetirementObligationAndAccrualForEnvironmentalLossContingenciesLiabilitiesSettled",
     "crdr": "debit",
     "presentation": [
      "http://www.tristategt.org/role/ASSETRETIREMENTANDENVIRONMENTALRECLAMATIONOBLIGATIONSSummaryDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Liabilities settled",
        "label": "Asset Retirement Obligation And Accrual For Environmental Loss Contingencies, Liabilities Settled",
        "documentation": "Asset Retirement Obligation And Accrual For Environmental Loss Contingencies, Liabilities Settled"
       }
      }
     },
     "auth_ref": []
    },
    "tris_AssetRetirementObligationAndAccrualForEnvironmentalLossContingenciesLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "AssetRetirementObligationAndAccrualForEnvironmentalLossContingenciesLineItems",
     "presentation": [
      "http://www.tristategt.org/role/ASSETRETIREMENTANDENVIRONMENTALRECLAMATIONOBLIGATIONSNarrativeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Asset Retirement Obligation And Accrual For Environmental Loss Contingencies [Line Items]",
        "label": "Asset Retirement Obligation And Accrual For Environmental Loss Contingencies [Line Items]",
        "documentation": "Asset Retirement Obligation And Accrual For Environmental Loss Contingencies"
       }
      }
     },
     "auth_ref": []
    },
    "tris_AssetRetirementObligationAndAccrualForEnvironmentalLossContingenciesNoncurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "AssetRetirementObligationAndAccrualForEnvironmentalLossContingenciesNoncurrent",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ASSETRETIREMENTANDENVIRONMENTALRECLAMATIONOBLIGATIONSSummaryDetails": {
       "parentTag": "tris_AssetRetirementObligationAndAccrualForEnvironmentalLossContingencies",
       "weight": 1.0,
       "order": 2.0
      },
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": "tris_DeferredCreditsRegulatoryLiabilitiesAndOtherLiabilities",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ASSETRETIREMENTANDENVIRONMENTALRECLAMATIONOBLIGATIONSSummaryDetails",
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Asset retirement and environmental reclamation obligations",
        "terseLabel": "Long-term obligations at end of period",
        "label": "Asset Retirement Obligation And Accrual For Environmental Loss Contingencies, Noncurrent",
        "documentation": "Asset Retirement Obligation And Accrual For Environmental Loss Contingencies, Noncurrent"
       }
      }
     },
     "auth_ref": []
    },
    "tris_AssetRetirementObligationAndAccrualForEnvironmentalLossContingenciesRevisionOfEstimate": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "AssetRetirementObligationAndAccrualForEnvironmentalLossContingenciesRevisionOfEstimate",
     "crdr": "credit",
     "presentation": [
      "http://www.tristategt.org/role/ASSETRETIREMENTANDENVIRONMENTALRECLAMATIONOBLIGATIONSSummaryDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Change in estimate",
        "label": "Asset Retirement Obligation And Accrual For Environmental Loss Contingencies, Revision Of Estimate",
        "documentation": "Asset Retirement Obligation And Accrual For Environmental Loss Contingencies, Revision Of Estimate"
       }
      }
     },
     "auth_ref": []
    },
    "tris_AssetRetirementObligationAndAccrualForEnvironmentalLossContingenciesRollForwardAnalysisRollForward": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "AssetRetirementObligationAndAccrualForEnvironmentalLossContingenciesRollForwardAnalysisRollForward",
     "presentation": [
      "http://www.tristategt.org/role/ASSETRETIREMENTANDENVIRONMENTALRECLAMATIONOBLIGATIONSSummaryDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Asset Retirement Obligation and Accrual for Environmental Loss Contingencies [Roll Forward]",
        "label": "Asset Retirement Obligation And Accrual For Environmental Loss Contingencies, Roll Forward Analysis [Roll Forward]",
        "documentation": "Asset Retirement Obligation And Accrual For Environmental Loss Contingencies, Roll Forward Analysis"
       }
      }
     },
     "auth_ref": []
    },
    "tris_AssetRetirementObligationAndAccrualForEnvironmentalLossContingenciesTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "AssetRetirementObligationAndAccrualForEnvironmentalLossContingenciesTable",
     "presentation": [
      "http://www.tristategt.org/role/ASSETRETIREMENTANDENVIRONMENTALRECLAMATIONOBLIGATIONSNarrativeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Asset Retirement Obligation And Accrual For Environmental Loss Contingencies [Table]",
        "label": "Asset Retirement Obligation And Accrual For Environmental Loss Contingencies [Table]",
        "documentation": "Asset Retirement Obligation And Accrual For Environmental Loss Contingencies"
       }
      }
     },
     "auth_ref": []
    },
    "tris_AssetRetirementObligationAndAccrualForEnvironmentalLossContingenciesTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "AssetRetirementObligationAndAccrualForEnvironmentalLossContingenciesTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/ASSETRETIREMENTANDENVIRONMENTALRECLAMATIONOBLIGATIONS"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "ASSET RETIREMENT AND ENVIRONMENTAL RECLAMATION OBLIGATIONS",
        "label": "Asset Retirement Obligation And Accrual For Environmental Loss Contingencies [Text Block]",
        "documentation": "Asset Retirement Obligation And Accrual For Environmental Loss Contingencies"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AssetRetirementObligationCurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "AssetRetirementObligationCurrent",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Current asset retirement obligations",
        "label": "Asset Retirement Obligation, Current",
        "documentation": "Current portion of the carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees."
       }
      }
     },
     "auth_ref": [
      "r781"
     ]
    },
    "us-gaap_AssetRetirementObligationPeriodIncreaseDecrease": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "AssetRetirementObligationPeriodIncreaseDecrease",
     "presentation": [
      "http://www.tristategt.org/role/ASSETRETIREMENTANDENVIRONMENTALRECLAMATIONOBLIGATIONSNarrativeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Increase (decrease) in asset retirement obligations",
        "label": "Asset Retirement Obligation, Period Increase (Decrease)",
        "documentation": "Amount of increase (decrease) in asset retirement obligations."
       }
      }
     },
     "auth_ref": [
      "r781"
     ]
    },
    "us-gaap_AssetRetirementObligationsAndEnvironmentalCostPolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "AssetRetirementObligationsAndEnvironmentalCostPolicyTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "ASSET RETIREMENT AND ENVIRONMENTAL RECLAMATION OBLIGATIONS",
        "label": "Asset Retirement Obligation and Environmental Cost [Policy Text Block]",
        "documentation": "Disclosure of accounting policy for legal obligation associated with retirement of long-lived asset that results from acquisition, construction, or development or from normal operation of long-lived asset, and environmental remediation liability from improper or other-than-normal operation of long-lived asset. Includes, but is not limited to, timing of recognition and whether obligation is measured on discounted basis."
       }
      }
     },
     "auth_ref": [
      "r780"
     ]
    },
    "us-gaap_Assets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "Assets",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Total assets",
        "label": "Assets",
        "documentation": "Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events."
       }
      }
     },
     "auth_ref": [
      "r160",
      "r215",
      "r244",
      "r264",
      "r279",
      "r285",
      "r298",
      "r314",
      "r315",
      "r317",
      "r318",
      "r319",
      "r321",
      "r323",
      "r325",
      "r326",
      "r484",
      "r488",
      "r500",
      "r541",
      "r608",
      "r715",
      "r726",
      "r791",
      "r792",
      "r871"
     ]
    },
    "us-gaap_AssetsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "AssetsAbstract",
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "ASSETS",
        "label": "Assets [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_AssetsCurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "AssetsCurrent",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": "us-gaap_Assets",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Total current assets",
        "label": "Assets, Current",
        "documentation": "Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer). Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events."
       }
      }
     },
     "auth_ref": [
      "r210",
      "r220",
      "r244",
      "r298",
      "r314",
      "r315",
      "r317",
      "r318",
      "r319",
      "r321",
      "r323",
      "r325",
      "r326",
      "r484",
      "r488",
      "r500",
      "r715",
      "r791",
      "r792",
      "r871"
     ]
    },
    "us-gaap_AssetsCurrentAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "AssetsCurrentAbstract",
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Current assets",
        "label": "Assets, Current [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "dei_AuditorFirmId": {
     "xbrltype": "nonemptySequenceNumberItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "AuditorFirmId",
     "presentation": [
      "http://www.tristategt.org/role/AuditInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Auditor Firm ID",
        "label": "Auditor Firm ID",
        "documentation": "PCAOB issued Audit Firm Identifier"
       }
      }
     },
     "auth_ref": [
      "r729",
      "r730",
      "r731"
     ]
    },
    "tris_AuditorInformationAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "AuditorInformationAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Auditor Information [Abstract]",
        "documentation": "Auditor Information"
       }
      }
     },
     "auth_ref": []
    },
    "dei_AuditorLocation": {
     "xbrltype": "internationalNameItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "AuditorLocation",
     "presentation": [
      "http://www.tristategt.org/role/AuditInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Auditor Location",
        "label": "Auditor Location"
       }
      }
     },
     "auth_ref": [
      "r729",
      "r730",
      "r731"
     ]
    },
    "dei_AuditorName": {
     "xbrltype": "internationalNameItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "AuditorName",
     "presentation": [
      "http://www.tristategt.org/role/AuditInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Auditor Name",
        "label": "Auditor Name"
       }
      }
     },
     "auth_ref": [
      "r729",
      "r730",
      "r731"
     ]
    },
    "us-gaap_BalanceSheetLocationAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "BalanceSheetLocationAxis",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESInterchangePowerDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Balance Sheet Location [Axis]",
        "label": "Balance Sheet Location [Axis]",
        "documentation": "Information by location on balance sheet (statement of financial position)."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_BalanceSheetLocationDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "BalanceSheetLocationDomain",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESInterchangePowerDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Balance Sheet Location [Domain]",
        "label": "Balance Sheet Location [Domain]",
        "documentation": "Location in the balance sheet (statement of financial position)."
       }
      }
     },
     "auth_ref": [
      "r90",
      "r91"
     ]
    },
    "tris_BasinElectricPowerCooperativeMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "BasinElectricPowerCooperativeMember",
     "presentation": [
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESElectricPowerPurchaseAgreementsDetails",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESInvestmentsinOtherAssociationsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Basin Electric Power Cooperative",
        "label": "Basin Electric Power Cooperative [Member]",
        "documentation": "Information pertaining to Basin Electric Power Cooperative."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "BasisOfPresentationAndSignificantAccountingPoliciesTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIES"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES",
        "label": "Basis of Presentation and Significant Accounting Policies [Text Block]",
        "documentation": "The entire disclosure for the basis of presentation and significant accounting policies concepts. Basis of presentation describes the underlying basis used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS). Accounting policies describe all significant accounting policies of the reporting entity."
       }
      }
     },
     "auth_ref": [
      "r133"
     ]
    },
    "us-gaap_BusinessAcquisitionAcquireeDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "BusinessAcquisitionAcquireeDomain",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Business Acquisition, Acquiree [Domain]",
        "label": "Business Acquisition, Acquiree [Domain]",
        "documentation": "Identification of the acquiree in a material business combination (or series of individually immaterial business combinations), which may include the name or other type of identification of the acquiree."
       }
      }
     },
     "auth_ref": [
      "r481",
      "r697",
      "r700"
     ]
    },
    "us-gaap_BusinessAcquisitionAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "BusinessAcquisitionAxis",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Business Acquisition [Axis]",
        "label": "Business Acquisition [Axis]",
        "documentation": "Information by business combination or series of individually immaterial business combinations."
       }
      }
     },
     "auth_ref": [
      "r72",
      "r73",
      "r481",
      "r697",
      "r700"
     ]
    },
    "us-gaap_CapitalAdditionsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "CapitalAdditionsMember",
     "presentation": [
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTConstructionCommitmentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Construction Commitments",
        "label": "Capital Addition Purchase Commitments [Member]",
        "documentation": "Contractual obligation to increase property, plant and equipment either through construction or future purchases."
       }
      }
     },
     "auth_ref": []
    },
    "tris_CapitalCreditAllocationsFromCooperativesAndIncomeFromCoalMinesUnderOverRefundDistribution": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "CapitalCreditAllocationsFromCooperativesAndIncomeFromCoalMinesUnderOverRefundDistribution",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0,
       "order": 9.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Capital credit allocations from cooperatives and income from coal mines under (over) refund distributions",
        "label": "Capital Credit Allocations From Cooperatives And Income From Coal Mines Under (Over) Refund Distribution",
        "documentation": "Capital Credit Allocations From Cooperatives And Income From Coal Mines Under (Over) Refund Distribution"
       }
      }
     },
     "auth_ref": []
    },
    "tris_CapitalCreditsFromCooperatives": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "CapitalCreditsFromCooperatives",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations": {
       "parentTag": "us-gaap_NonoperatingIncomeExpense",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Capital credits from cooperatives",
        "label": "Capital Credits From Cooperatives",
        "documentation": "Amount of cooperative earnings allocated to patrons' capital accounts."
       }
      }
     },
     "auth_ref": []
    },
    "tris_CapitalizationLongTermDebtNoncurrentAndEquity": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "CapitalizationLongTermDebtNoncurrentAndEquity",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Total capitalization",
        "label": "Capitalization, Long-Term Debt, Noncurrent And Equity",
        "documentation": "This element represents the total consolidated (as applicable) capitalization of the entity which is comprised of its long-term debt, net of current maturities and equity instruments."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProjectAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProjectAxis",
     "presentation": [
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESElectricPowerPurchaseAgreementsDetails",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Project [Axis]",
        "label": "Project [Axis]",
        "documentation": "Information by project."
       }
      }
     },
     "auth_ref": [
      "r156",
      "r157",
      "r158"
     ]
    },
    "tris_CapitalizedInterestCostsConstructionProjects": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "CapitalizedInterestCostsConstructionProjects",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations": {
       "parentTag": "us-gaap_InterestExpense",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedTerseLabel": "Interest charged during construction",
        "label": "Capitalized Interest Costs, Construction Projects",
        "documentation": "Capitalized Interest Costs, Construction Projects"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_CarryingReportedAmountFairValueDisclosureMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "CarryingReportedAmountFairValueDisclosureMember",
     "presentation": [
      "http://www.tristategt.org/role/FAIRVALUEDetails",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESMarketableSecuritiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Cost",
        "label": "Reported Value Measurement [Member]",
        "documentation": "Measured as reported on the statement of financial position (balance sheet)."
       }
      }
     },
     "auth_ref": [
      "r93",
      "r94"
     ]
    },
    "us-gaap_CashAndCashEquivalentsAtCarryingValue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "CashAndCashEquivalentsAtCarryingValue",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Cash and cash equivalents",
        "label": "Cash and Cash Equivalents, at Carrying Value",
        "documentation": "Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation."
       }
      }
     },
     "auth_ref": [
      "r42",
      "r213",
      "r668"
     ]
    },
    "us-gaap_CashAndCashEquivalentsFairValueDisclosure": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "CashAndCashEquivalentsFairValueDisclosure",
     "crdr": "debit",
     "presentation": [
      "http://www.tristategt.org/role/FAIRVALUEDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Cash and cash equivalents",
        "label": "Cash and Cash Equivalents, Fair Value Disclosure",
        "documentation": "Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "CASH, CASH EQUIVALENTS AND RESTRICTED CASH AND INVESTMENTS",
        "label": "Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block]",
        "documentation": "Entity's cash and cash equivalents accounting policy with respect to restricted balances. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or company statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits."
       }
      }
     },
     "auth_ref": [
      "r43",
      "r159"
     ]
    },
    "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Net increase (decrease) in cash, cash equivalents and restricted cash and investments",
        "label": "Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect",
        "documentation": "Amount of increase (decrease) in cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; excluding effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates."
       }
      }
     },
     "auth_ref": [
      "r3",
      "r130"
     ]
    },
    "tris_CashCashEquivalentsRestrictedCashRestrictedCashEquivalentsAndInvestments": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "CashCashEquivalentsRestrictedCashRestrictedCashEquivalentsAndInvestments",
     "crdr": "debit",
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "periodStartLabel": "Cash, cash equivalents and restricted cash and investments \u2013 beginning",
        "periodEndLabel": "Cash, cash equivalents and restricted cash and investments \u2013 ending",
        "label": "Cash, Cash Equivalents, Restricted Cash, Restricted Cash Equivalents And Investments",
        "documentation": "Cash, Cash Equivalents, Restricted Cash, Restricted Cash Equivalents And Investments"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract",
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Supplemental disclosure of noncash investing and financing activities:",
        "label": "Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ChangeInContractWithCustomerAssetAndLiabilityAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ChangeInContractWithCustomerAssetAndLiabilityAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Change in Contract with Customer, Asset and Liability [Abstract]",
        "label": "Change in Contract with Customer, Asset and Liability [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "dei_CityAreaCode": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "CityAreaCode",
     "presentation": [
      "http://www.tristategt.org/role/Cover"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "City Area Code",
        "label": "City Area Code",
        "documentation": "Area code of city"
       }
      }
     },
     "auth_ref": []
    },
    "tris_CoBankACBMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "CoBankACBMember",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESInvestmentsinOtherAssociationsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "CoBank, ACB",
        "label": "CoBank, ACB [Member]",
        "documentation": "Information pertaining to CoBank, ACB."
       }
      }
     },
     "auth_ref": []
    },
    "tris_CoBankVariableRateSyndicatedMultipleAdvanceTermLoanMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "CoBankVariableRateSyndicatedMultipleAdvanceTermLoanMember",
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTNarrativeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "CoBank Variable Rate Syndicated Multiple Advance Term Loan",
        "label": "CoBank Variable Rate Syndicated Multiple Advance Term Loan [Member]",
        "documentation": "CoBank Variable Rate Syndicated Multiple Advance Term Loan"
       }
      }
     },
     "auth_ref": []
    },
    "tris_CoalReservesAndDepletionPolicyPolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "CoalReservesAndDepletionPolicyPolicyTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "COAL RESERVES AND DEPLETION",
        "label": "Coal Reserves And Depletion Policy [Policy Text Block]",
        "documentation": "Disclosure of accounting policy for coal reserves and depletion, including methods used."
       }
      }
     },
     "auth_ref": []
    },
    "tris_CollectiveBargainingAgreementsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "CollectiveBargainingAgreementsMember",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedBenefitPlanDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Collective bargaining agreements and their bargaining unit employees",
        "label": "Collective Bargaining Agreements [Member]",
        "documentation": "The collective bargaining agreements and the employees thereby included under such agreements."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_CollectiveBargainingArrangementAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "CollectiveBargainingArrangementAxis",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedBenefitPlanDetails",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedContributionPlansDetails",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsDetails",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsPlansAmendmentsandObligationsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Collective Bargaining Arrangement [Axis]",
        "label": "Collective-Bargaining Arrangement [Axis]",
        "documentation": "Information by arrangement collectively bargained between employer and its employees represented by union."
       }
      }
     },
     "auth_ref": [
      "r703",
      "r862"
     ]
    },
    "us-gaap_CollectiveBargainingArrangementDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "CollectiveBargainingArrangementDomain",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedBenefitPlanDetails",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedContributionPlansDetails",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsDetails",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsPlansAmendmentsandObligationsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Collective Bargaining Arrangement [Domain]",
        "label": "Collective-Bargaining Arrangement [Domain]",
        "documentation": "Arrangement collectively bargained between employer and its employees represented by union."
       }
      }
     },
     "auth_ref": [
      "r703",
      "r862"
     ]
    },
    "tris_ColowyoCoalCompanyMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "ColowyoCoalCompanyMember",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedBenefitPlanDetails",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Colowyo Coal",
        "label": "Colowyo Coal Company [Member]",
        "documentation": "Information pertaining to Colowyo Coal Company."
       }
      }
     },
     "auth_ref": []
    },
    "tris_ColowyoMineMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "ColowyoMineMember",
     "presentation": [
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTOtherPlantDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Colowyo Mine",
        "label": "Colowyo Mine [Member]",
        "documentation": "Information pertaining to the Colowyo Mine."
       }
      }
     },
     "auth_ref": []
    },
    "tris_ColowyoMinePitsDecreasedAROsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "ColowyoMinePitsDecreasedAROsMember",
     "presentation": [
      "http://www.tristategt.org/role/ASSETRETIREMENTANDENVIRONMENTALRECLAMATIONOBLIGATIONSNarrativeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Colowyo Mine Pits - Decreased AROs",
        "label": "Colowyo Mine Pits - Decreased AROs [Member]",
        "documentation": "Colowyo Mine Pits - Decreased AROs"
       }
      }
     },
     "auth_ref": []
    },
    "tris_ColowyoMinePitsFinalReclamationMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "ColowyoMinePitsFinalReclamationMember",
     "presentation": [
      "http://www.tristategt.org/role/ASSETRETIREMENTANDENVIRONMENTALRECLAMATIONOBLIGATIONSNarrativeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Colowyo Mine Pits - Final Reclamation",
        "label": "Colowyo Mine Pits - Final Reclamation [Member]",
        "documentation": "Colowyo Mine Pits - Final Reclamation"
       }
      }
     },
     "auth_ref": []
    },
    "tris_ColowyoMinePitsIncreasedAROsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "ColowyoMinePitsIncreasedAROsMember",
     "presentation": [
      "http://www.tristategt.org/role/ASSETRETIREMENTANDENVIRONMENTALRECLAMATIONOBLIGATIONSNarrativeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Colowyo Mine Pits - Increased AROs",
        "label": "Colowyo Mine Pits - Increased AROs [Member]",
        "documentation": "Colowyo Mine Pits - Increased AROs"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_CommercialPaperMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "CommercialPaperMember",
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTNarrativeDetails",
      "http://www.tristategt.org/role/SHORTTERMBORROWINGSDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Commercial Paper",
        "label": "Commercial Paper [Member]",
        "documentation": "Unsecured promissory note (generally negotiable) that provides institutions with short-term funds."
       }
      }
     },
     "auth_ref": [
      "r140",
      "r720",
      "r721",
      "r722",
      "r723"
     ]
    },
    "us-gaap_CommitmentsAndContingenciesDisclosureAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "CommitmentsAndContingenciesDisclosureAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Commitments and Contingencies Disclosure [Abstract]",
        "label": "Commitments and Contingencies Disclosure [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_CommitmentsAndContingenciesDisclosureTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "CommitmentsAndContingenciesDisclosureTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIES"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "COMMITMENTS AND CONTINGENCIES",
        "label": "Commitments and Contingencies Disclosure [Text Block]",
        "documentation": "The entire disclosure for commitments and contingencies."
       }
      }
     },
     "auth_ref": [
      "r138",
      "r307",
      "r308",
      "r661",
      "r785"
     ]
    },
    "us-gaap_CompensationAndRetirementDisclosureAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "CompensationAndRetirementDisclosureAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Retirement Benefits [Abstract]",
        "label": "Retirement Benefits [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ComponentsOfDeferredTaxAssetsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ComponentsOfDeferredTaxAssetsAbstract",
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESNetDeferredTaxLiabilityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Deferred tax assets",
        "label": "Components of Deferred Tax Assets [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ComprehensiveIncomeNetOfTax": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ComprehensiveIncomeNetOfTax",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofComprehensiveIncome": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofComprehensiveIncome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Comprehensive income attributable to the Association",
        "label": "Comprehensive Income (Loss), Net of Tax, Attributable to Parent",
        "documentation": "Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners."
       }
      }
     },
     "auth_ref": [
      "r36",
      "r226",
      "r228",
      "r238",
      "r539",
      "r553"
     ]
    },
    "us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofComprehensiveIncome": {
       "parentTag": "us-gaap_ComprehensiveIncomeNetOfTax",
       "weight": -1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofComprehensiveIncome",
      "http://www.tristategt.org/role/ConsolidatedStatementsofEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedTerseLabel": "Net comprehensive income attributable to noncontrolling interest",
        "label": "Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest",
        "documentation": "Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to noncontrolling interests. Excludes changes in equity resulting from investments by owners and distributions to owners."
       }
      }
     },
     "auth_ref": [
      "r8",
      "r76",
      "r89",
      "r226",
      "r228",
      "r237",
      "r538",
      "r552"
     ]
    },
    "us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofComprehensiveIncome": {
       "parentTag": "us-gaap_ComprehensiveIncomeNetOfTax",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofComprehensiveIncome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Comprehensive income including noncontrolling interest",
        "label": "Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest",
        "documentation": "Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners."
       }
      }
     },
     "auth_ref": [
      "r89",
      "r152",
      "r226",
      "r228",
      "r236",
      "r537",
      "r551"
     ]
    },
    "us-gaap_ConcentrationRiskBenchmarkDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ConcentrationRiskBenchmarkDomain",
     "presentation": [
      "http://www.tristategt.org/role/ORGANIZATIONDetails",
      "http://www.tristategt.org/role/REVENUENarrativeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Concentration Risk Benchmark [Domain]",
        "label": "Concentration Risk Benchmark [Domain]",
        "documentation": "The denominator in a calculation of a disclosed concentration risk percentage."
       }
      }
     },
     "auth_ref": [
      "r47",
      "r49",
      "r95",
      "r96",
      "r289",
      "r660"
     ]
    },
    "us-gaap_ConcentrationRiskByBenchmarkAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ConcentrationRiskByBenchmarkAxis",
     "presentation": [
      "http://www.tristategt.org/role/ORGANIZATIONDetails",
      "http://www.tristategt.org/role/REVENUENarrativeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Concentration Risk Benchmark [Axis]",
        "label": "Concentration Risk Benchmark [Axis]",
        "documentation": "Information by benchmark of concentration risk."
       }
      }
     },
     "auth_ref": [
      "r47",
      "r49",
      "r95",
      "r96",
      "r289",
      "r569",
      "r660"
     ]
    },
    "us-gaap_ConcentrationRiskByTypeAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ConcentrationRiskByTypeAxis",
     "presentation": [
      "http://www.tristategt.org/role/ORGANIZATIONDetails",
      "http://www.tristategt.org/role/REVENUENarrativeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Concentration Risk Type [Axis]",
        "label": "Concentration Risk Type [Axis]",
        "documentation": "Information by type of concentration risk, for example, but not limited to, asset, liability, net assets, geographic, customer, employees, supplier, lender."
       }
      }
     },
     "auth_ref": [
      "r47",
      "r49",
      "r95",
      "r96",
      "r289",
      "r660",
      "r741"
     ]
    },
    "us-gaap_ConcentrationRiskLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ConcentrationRiskLineItems",
     "presentation": [
      "http://www.tristategt.org/role/ORGANIZATIONDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Concentration Risk [Line Items]",
        "label": "Concentration Risk [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": [
      "r660"
     ]
    },
    "us-gaap_ConcentrationRiskPercentage1": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ConcentrationRiskPercentage1",
     "presentation": [
      "http://www.tristategt.org/role/ORGANIZATIONDetails",
      "http://www.tristategt.org/role/REVENUENarrativeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Concentration risk (as a percent)",
        "label": "Concentration Risk, Percentage",
        "documentation": "For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the \"benchmark\" (or denominator) in the equation, this concept represents the concentration percentage derived from the division."
       }
      }
     },
     "auth_ref": [
      "r47",
      "r49",
      "r95",
      "r96",
      "r289"
     ]
    },
    "us-gaap_ConcentrationRiskTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ConcentrationRiskTable",
     "presentation": [
      "http://www.tristategt.org/role/ORGANIZATIONDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Concentration Risk [Table]",
        "label": "Concentration Risk [Table]",
        "documentation": "Describes the nature of a concentration, a benchmark to which it is compared, and the percentage that the risk is to the benchmark."
       }
      }
     },
     "auth_ref": [
      "r46",
      "r47",
      "r49",
      "r51",
      "r95",
      "r155",
      "r660"
     ]
    },
    "us-gaap_ConcentrationRiskTypeDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ConcentrationRiskTypeDomain",
     "presentation": [
      "http://www.tristategt.org/role/ORGANIZATIONDetails",
      "http://www.tristategt.org/role/REVENUENarrativeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Concentration Risk Type [Domain]",
        "label": "Concentration Risk Type [Domain]",
        "documentation": "For an entity that discloses a concentration risk as a percentage of some financial balance or benchmark, identifies the type (for example, asset, liability, net assets, geographic, customer, employees, supplier, lender) of the concentration."
       }
      }
     },
     "auth_ref": [
      "r47",
      "r49",
      "r95",
      "r96",
      "r289",
      "r660"
     ]
    },
    "srt_ConsolidatedEntitiesAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/srt/2023",
     "localname": "ConsolidatedEntitiesAxis",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedBenefitPlanDetails",
      "http://www.tristategt.org/role/VARIABLEINTERESTENTITIESDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Consolidated Entities [Axis]",
        "label": "Consolidated Entities [Axis]",
        "documentation": "Information by consolidated entity or group of entities."
       }
      }
     },
     "auth_ref": [
      "r194",
      "r248",
      "r484",
      "r485",
      "r488",
      "r489",
      "r526",
      "r662",
      "r751",
      "r754",
      "r755",
      "r790",
      "r793",
      "r794"
     ]
    },
    "srt_ConsolidatedEntitiesDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2023",
     "localname": "ConsolidatedEntitiesDomain",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedBenefitPlanDetails",
      "http://www.tristategt.org/role/VARIABLEINTERESTENTITIESDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Consolidated Entities [Domain]",
        "label": "Consolidated Entities [Domain]",
        "documentation": "Entity or group of entities consolidated into reporting entity."
       }
      }
     },
     "auth_ref": [
      "r194",
      "r248",
      "r484",
      "r485",
      "r488",
      "r489",
      "r526",
      "r662",
      "r751",
      "r754",
      "r755",
      "r790",
      "r793",
      "r794"
     ]
    },
    "srt_ConsolidationItemsAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/srt/2023",
     "localname": "ConsolidationItemsAxis",
     "presentation": [
      "http://www.tristategt.org/role/VARIABLEINTERESTENTITIESDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Consolidation Items [Axis]",
        "label": "Consolidation Items [Axis]",
        "documentation": "Information by components, eliminations, non-segment corporate-level activity and reconciling items used in consolidating a parent entity and its subsidiaries or its operating segments."
       }
      }
     },
     "auth_ref": [
      "r196",
      "r197",
      "r198",
      "r199",
      "r200",
      "r201",
      "r202",
      "r203",
      "r204",
      "r248",
      "r266",
      "r277",
      "r278",
      "r279",
      "r280",
      "r281",
      "r283",
      "r286",
      "r314",
      "r315",
      "r316",
      "r317",
      "r319",
      "r320",
      "r322",
      "r324",
      "r325",
      "r752",
      "r753",
      "r791",
      "r792"
     ]
    },
    "srt_ConsolidationItemsDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2023",
     "localname": "ConsolidationItemsDomain",
     "presentation": [
      "http://www.tristategt.org/role/VARIABLEINTERESTENTITIESDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Consolidation Items [Domain]",
        "label": "Consolidation Items [Domain]",
        "documentation": "Components, elimination, non-segment corporate-level activity and reconciling items used in consolidating a parent entity and its subsidiaries or its operating segments."
       }
      }
     },
     "auth_ref": [
      "r196",
      "r197",
      "r198",
      "r199",
      "r200",
      "r201",
      "r202",
      "r203",
      "r204",
      "r248",
      "r266",
      "r277",
      "r278",
      "r279",
      "r280",
      "r281",
      "r283",
      "r286",
      "r314",
      "r315",
      "r316",
      "r317",
      "r319",
      "r320",
      "r322",
      "r324",
      "r325",
      "r752",
      "r753",
      "r791",
      "r792"
     ]
    },
    "us-gaap_ConsolidationPolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ConsolidationPolicyTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "BASIS OF CONSOLIDATION",
        "label": "Consolidation, Policy [Policy Text Block]",
        "documentation": "Disclosure of accounting policy regarding (1) the principles it follows in consolidating or combining the separate financial statements, including the principles followed in determining the inclusion or exclusion of subsidiaries or other entities in the consolidated or combined financial statements and (2) its treatment of interests (for example, common stock, a partnership interest or other means of exerting influence) in other entities, for example consolidation or use of the equity or cost methods of accounting. The accounting policy may also address the accounting treatment for intercompany accounts and transactions, noncontrolling interest, and the income statement treatment in consolidation for issuances of stock by a subsidiary."
       }
      }
     },
     "auth_ref": [
      "r77",
      "r673"
     ]
    },
    "us-gaap_ConsolidationVariableInterestEntityPolicy": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ConsolidationVariableInterestEntityPolicy",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "VARIABLE INTEREST ENTITIES",
        "label": "Consolidation, Variable Interest Entity, Policy [Policy Text Block]",
        "documentation": "Disclosure of accounting policy for consolidation to describe the significant judgments and assumptions made in determining whether a variable interest held by the entity requires the variable interest entity to be consolidated and (or) disclose information about its involvement with the variable interest entity; the methodology used by the entity for determining whether or not it is the primary beneficiary of the variable interest entity; and the significant factors considered and judgments made in determining that the power to direct the activities that significantly impact the economic performance of the variable interest entity are shared (as defined)."
       }
      }
     },
     "auth_ref": [
      "r78",
      "r81",
      "r83"
     ]
    },
    "us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ContractWithCustomerAssetAndLiabilityTableTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/CONTRACTASSETSANDCONTRACTLIABILITIESTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Schedule of Contract Assets and Liabilities",
        "label": "Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]",
        "documentation": "Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability."
       }
      }
     },
     "auth_ref": [
      "r798"
     ]
    },
    "us-gaap_ContractWithCustomerAssetNet": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ContractWithCustomerAssetNet",
     "crdr": "debit",
     "presentation": [
      "http://www.tristategt.org/role/CONTRACTASSETSANDCONTRACTLIABILITIESDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Contract assets",
        "label": "Contract with Customer, Asset, after Allowance for Credit Loss",
        "documentation": "Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time."
       }
      }
     },
     "auth_ref": [
      "r349",
      "r351",
      "r362"
     ]
    },
    "tris_ContractWithCustomerAssetsAndLiabilitiesTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "ContractWithCustomerAssetsAndLiabilitiesTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/CONTRACTASSETSANDCONTRACTLIABILITIES"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "CONTRACT ASSETS AND CONTRACT LIABILITIES",
        "label": "Contract With Customer, Assets And Liabilities [Text Block]",
        "documentation": "The entire disclosure of customer contract balances and changes in contract balances."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ContractWithCustomerDurationAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ContractWithCustomerDurationAxis",
     "presentation": [
      "http://www.tristategt.org/role/REVENUESummaryDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Contract with Customer, Duration [Axis]",
        "label": "Contract with Customer, Duration [Axis]",
        "documentation": "Information by duration of contract with customer. Includes, but is not limited to, short-term and long-term contracts."
       }
      }
     },
     "auth_ref": [
      "r690",
      "r799"
     ]
    },
    "us-gaap_ContractWithCustomerDurationDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ContractWithCustomerDurationDomain",
     "presentation": [
      "http://www.tristategt.org/role/REVENUESummaryDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Contract with Customer, Duration [Domain]",
        "label": "Contract with Customer, Duration [Domain]",
        "documentation": "Duration of contract with customer. Includes, but is not limited to, short-term and long-term contracts."
       }
      }
     },
     "auth_ref": [
      "r690",
      "r799"
     ]
    },
    "us-gaap_ContractWithCustomerLiability": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ContractWithCustomerLiability",
     "crdr": "credit",
     "presentation": [
      "http://www.tristategt.org/role/CONTRACTASSETSANDCONTRACTLIABILITIESDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Contract liabilities (unearned revenue)",
        "label": "Contract with Customer, Liability",
        "documentation": "Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable."
       }
      }
     },
     "auth_ref": [
      "r349",
      "r350",
      "r362"
     ]
    },
    "us-gaap_ContractWithCustomerLiabilityAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ContractWithCustomerLiabilityAbstract",
     "presentation": [
      "http://www.tristategt.org/role/CONTRACTASSETSANDCONTRACTLIABILITIESDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Contract liabilities",
        "label": "Contract with Customer, Liability [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ContractWithCustomerLiabilityNoncurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ContractWithCustomerLiabilityNoncurrent",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESOtherDeferredCreditsandOtherLiabilitiesDetails": {
       "parentTag": "tris_OtherDeferredCreditsAndOtherLiabilities",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESOtherDeferredCreditsandOtherLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Contract liabilities (unearned revenue) - noncurrent",
        "label": "Contract with Customer, Liability, Noncurrent",
        "documentation": "Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as noncurrent."
       }
      }
     },
     "auth_ref": [
      "r349",
      "r350",
      "r362"
     ]
    },
    "us-gaap_ContractWithCustomerLiabilityRevenueRecognized": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ContractWithCustomerLiabilityRevenueRecognized",
     "crdr": "credit",
     "presentation": [
      "http://www.tristategt.org/role/CONTRACTASSETSANDCONTRACTLIABILITIESDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Contract liabilities recognized",
        "label": "Contract with Customer, Liability, Revenue Recognized",
        "documentation": "Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due."
       }
      }
     },
     "auth_ref": [
      "r363"
     ]
    },
    "srt_ContractualObligationFiscalYearMaturityScheduleTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/srt/2023",
     "localname": "ContractualObligationFiscalYearMaturityScheduleTableTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Schedule of Future Minimum Commitments",
        "label": "Contractual Obligation, Fiscal Year Maturity [Table Text Block]",
        "documentation": "Tabular disclosure of contractual obligation by timing of payment due. Includes, but is not limited to, long-term debt obligation, lease obligation, and purchase obligation."
       }
      }
     },
     "auth_ref": [
      "r770"
     ]
    },
    "us-gaap_CostsAndExpenses": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "CostsAndExpenses",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations": {
       "parentTag": "us-gaap_OperatingIncomeLoss",
       "weight": -1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Operating expenses",
        "label": "Costs and Expenses",
        "documentation": "Total costs of sales and operating expenses for the period."
       }
      }
     },
     "auth_ref": [
      "r121"
     ]
    },
    "srt_CounterpartyNameAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/srt/2023",
     "localname": "CounterpartyNameAxis",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Counterparty Name [Axis]",
        "label": "Counterparty Name [Axis]",
        "documentation": "Information by name of counterparty. A counterparty is the other party that participates in a financial transaction. Examples include, but not limited to, the name of the financial institution."
       }
      }
     },
     "auth_ref": [
      "r205",
      "r246",
      "r247",
      "r330",
      "r347",
      "r525",
      "r670",
      "r672"
     ]
    },
    "dei_CoverAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "CoverAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Cover [Abstract]",
        "label": "Cover [Abstract]",
        "documentation": "Cover page."
       }
      }
     },
     "auth_ref": []
    },
    "tris_CraigGeneratingStationUnit2And3Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "CraigGeneratingStationUnit2And3Member",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESSegmentsandImpairmentLossesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Craig Generating Station Unit 2 and 3",
        "label": "Craig Generating Station Unit 2 And 3 [Member]",
        "documentation": "Craig Generating Station Unit 2 And 3"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_CreditFacilityAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "CreditFacilityAxis",
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTNarrativeDetails",
      "http://www.tristategt.org/role/SHORTTERMBORROWINGSDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Credit Facility [Axis]",
        "label": "Credit Facility [Axis]",
        "documentation": "Information by type of credit facility. Credit facilities provide capital to borrowers without the need to structure a loan for each borrowing."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_CreditFacilityDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "CreditFacilityDomain",
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTNarrativeDetails",
      "http://www.tristategt.org/role/SHORTTERMBORROWINGSDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Credit Facility [Domain]",
        "label": "Credit Facility [Domain]",
        "documentation": "Type of credit facility. Credit facilities provide capital to borrowers without the need to structure a loan for each borrowing."
       }
      }
     },
     "auth_ref": []
    },
    "dei_CurrentFiscalYearEndDate": {
     "xbrltype": "gMonthDayItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "CurrentFiscalYearEndDate",
     "presentation": [
      "http://www.tristategt.org/role/Cover"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Current Fiscal Year End Date",
        "label": "Current Fiscal Year End Date",
        "documentation": "End date of current fiscal year in the format --MM-DD."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_CurrentIncomeTaxExpenseBenefit": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "CurrentIncomeTaxExpenseBenefit",
     "crdr": "debit",
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESNarrativeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Current income tax expense (benefit)",
        "label": "Current Income Tax Expense (Benefit)",
        "documentation": "Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations."
       }
      }
     },
     "auth_ref": [
      "r150",
      "r471",
      "r477",
      "r769"
     ]
    },
    "us-gaap_CustomerConcentrationRiskMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "CustomerConcentrationRiskMember",
     "presentation": [
      "http://www.tristategt.org/role/ORGANIZATIONDetails",
      "http://www.tristategt.org/role/REVENUENarrativeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Customer Concentration",
        "label": "Customer Concentration Risk [Member]",
        "documentation": "Reflects the percentage that revenues in the period from one or more significant customers is to net revenues, as defined by the entity, such as total net revenues, product line revenues, segment revenues. The risk is the materially adverse effects of loss of a significant customer."
       }
      }
     },
     "auth_ref": [
      "r48",
      "r289"
     ]
    },
    "tris_CustomerDepositsToBeReturned": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "CustomerDepositsToBeReturned",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESOtherDeferredCreditsandOtherLiabilitiesDetails": {
       "parentTag": "tris_OtherDeferredCreditsAndOtherLiabilities",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESOtherDeferredCreditsandOtherLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Customer deposits",
        "label": "Customer Deposits, To Be Returned",
        "documentation": "Amounts received from customers that are expected to be returned upon satisfactory contract completion."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DebtDisclosureAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DebtDisclosureAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Debt Disclosure [Abstract]",
        "label": "Debt Disclosure [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DebtInstrumentAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DebtInstrumentAxis",
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTAnnualMaturitiesDetails",
      "http://www.tristategt.org/role/LONGTERMDEBTNarrativeDetails",
      "http://www.tristategt.org/role/LONGTERMDEBTSummaryDetails",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Debt Instrument [Axis]",
        "label": "Debt Instrument [Axis]",
        "documentation": "Information by type of debt instrument, including, but not limited to, draws against credit facilities."
       }
      }
     },
     "auth_ref": [
      "r20",
      "r112",
      "r113",
      "r161",
      "r164",
      "r248",
      "r327",
      "r328",
      "r329",
      "r330",
      "r331",
      "r332",
      "r333",
      "r334",
      "r335",
      "r336",
      "r337",
      "r338",
      "r339",
      "r340",
      "r341",
      "r342",
      "r510",
      "r680",
      "r681",
      "r682",
      "r683",
      "r684",
      "r767"
     ]
    },
    "us-gaap_DebtInstrumentCarryingAmount": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DebtInstrumentCarryingAmount",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/LONGTERMDEBTSummaryDetails": {
       "parentTag": "us-gaap_LongTermDebt",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTNarrativeDetails",
      "http://www.tristategt.org/role/LONGTERMDEBTSummaryDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Outstanding borrowings",
        "terseLabel": "Total debt",
        "label": "Long-Term Debt, Gross",
        "documentation": "Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt."
       }
      }
     },
     "auth_ref": [
      "r20",
      "r164",
      "r344"
     ]
    },
    "us-gaap_DebtInstrumentFaceAmount": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DebtInstrumentFaceAmount",
     "crdr": "credit",
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTNarrativeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Face amount of debt instrument",
        "label": "Debt Instrument, Face Amount",
        "documentation": "Face (par) amount of debt instrument at time of issuance."
       }
      }
     },
     "auth_ref": [
      "r98",
      "r100",
      "r327",
      "r510",
      "r681",
      "r682"
     ]
    },
    "us-gaap_DebtInstrumentInterestRateStatedPercentage": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DebtInstrumentInterestRateStatedPercentage",
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTSummaryDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Stated interest rate (as a percent)",
        "label": "Debt Instrument, Interest Rate, Stated Percentage",
        "documentation": "Contractual interest rate for funds borrowed, under the debt agreement."
       }
      }
     },
     "auth_ref": [
      "r28",
      "r328"
     ]
    },
    "us-gaap_DebtInstrumentInterestRateStatedPercentageAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DebtInstrumentInterestRateStatedPercentageAbstract",
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTSummaryDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Interest rate terms",
        "label": "Debt Instrument, Interest Rate, Stated Percentage [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DebtInstrumentLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DebtInstrumentLineItems",
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTAnnualMaturitiesDetails",
      "http://www.tristategt.org/role/LONGTERMDEBTNarrativeDetails",
      "http://www.tristategt.org/role/LONGTERMDEBTSummaryDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Debt Instrument [Line Items]",
        "label": "Debt Instrument [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": [
      "r248",
      "r327",
      "r328",
      "r329",
      "r330",
      "r331",
      "r332",
      "r333",
      "r334",
      "r335",
      "r336",
      "r337",
      "r338",
      "r339",
      "r340",
      "r341",
      "r342",
      "r343",
      "r510",
      "r680",
      "r681",
      "r682",
      "r683",
      "r684",
      "r767"
     ]
    },
    "us-gaap_DebtInstrumentNameDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DebtInstrumentNameDomain",
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTAnnualMaturitiesDetails",
      "http://www.tristategt.org/role/LONGTERMDEBTNarrativeDetails",
      "http://www.tristategt.org/role/LONGTERMDEBTSummaryDetails",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Debt Instrument, Name [Domain]",
        "label": "Debt Instrument, Name [Domain]",
        "documentation": "The name for the particular debt instrument or borrowing that distinguishes it from other debt instruments or borrowings, including draws against credit facilities."
       }
      }
     },
     "auth_ref": [
      "r29",
      "r248",
      "r327",
      "r328",
      "r329",
      "r330",
      "r331",
      "r332",
      "r333",
      "r334",
      "r335",
      "r336",
      "r337",
      "r338",
      "r339",
      "r340",
      "r341",
      "r342",
      "r510",
      "r680",
      "r681",
      "r682",
      "r683",
      "r684",
      "r767"
     ]
    },
    "us-gaap_DebtInstrumentTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DebtInstrumentTable",
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTAnnualMaturitiesDetails",
      "http://www.tristategt.org/role/LONGTERMDEBTNarrativeDetails",
      "http://www.tristategt.org/role/LONGTERMDEBTSummaryDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Schedule of Long-term Debt Instruments [Table]",
        "label": "Schedule of Long-Term Debt Instruments [Table]",
        "documentation": "A table or schedule providing information pertaining to long-term debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the company, if longer."
       }
      }
     },
     "auth_ref": [
      "r29",
      "r59",
      "r60",
      "r97",
      "r98",
      "r100",
      "r103",
      "r141",
      "r142",
      "r248",
      "r327",
      "r328",
      "r329",
      "r330",
      "r331",
      "r332",
      "r333",
      "r334",
      "r335",
      "r336",
      "r337",
      "r338",
      "r339",
      "r340",
      "r341",
      "r342",
      "r343",
      "r510",
      "r680",
      "r681",
      "r682",
      "r683",
      "r684",
      "r767"
     ]
    },
    "us-gaap_DebtInstrumentTerm": {
     "xbrltype": "durationItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DebtInstrumentTerm",
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTNarrativeDetails",
      "http://www.tristategt.org/role/SHORTTERMBORROWINGSDetails",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Term of issuance",
        "terseLabel": "Term of debt instrument",
        "label": "Debt Instrument, Term",
        "documentation": "Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DebtInstrumentUnamortizedDiscount": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DebtInstrumentUnamortizedDiscount",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/LONGTERMDEBTSummaryDetails": {
       "parentTag": "us-gaap_LongTermDebt",
       "weight": -1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTSummaryDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Less debt discounts",
        "label": "Debt Instrument, Unamortized Discount",
        "documentation": "Amount, after accumulated amortization, of debt discount."
       }
      }
     },
     "auth_ref": [
      "r97",
      "r100",
      "r796"
     ]
    },
    "us-gaap_DebtInstrumentUnamortizedPremium": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DebtInstrumentUnamortizedPremium",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/LONGTERMDEBTSummaryDetails": {
       "parentTag": "us-gaap_LongTermDebt",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTSummaryDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Plus debt premiums",
        "label": "Debt Instrument, Unamortized Premium",
        "documentation": "Amount, after accumulated amortization, of debt premium."
       }
      }
     },
     "auth_ref": [
      "r97",
      "r100",
      "r796"
     ]
    },
    "us-gaap_DebtPolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DebtPolicyTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "DEBT ISSUANCE COSTS",
        "label": "Debt, Policy [Policy Text Block]",
        "documentation": "Disclosure of accounting policy related to debt. Includes, but is not limited to, debt issuance costs, the effects of refinancings, method of amortizing debt issuance costs and original issue discount, and classifications of debt."
       }
      }
     },
     "auth_ref": [
      "r12"
     ]
    },
    "tris_DebtServiceRatio": {
     "xbrltype": "pureItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "DebtServiceRatio",
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTNarrativeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Debt service ratio (DSR) requirement",
        "label": "Debt Service Ratio",
        "documentation": "The Debt Service Ratio (DSR) requirement per the terms of long-term debt agreements."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DeferredChargesPolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DeferredChargesPolicyTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "OTHER DEFERRED CHARGES",
        "label": "Deferred Charges, Policy [Policy Text Block]",
        "documentation": "Disclosure of accounting policy for deferral and amortization of significant deferred charges."
       }
      }
     },
     "auth_ref": [
      "r214"
     ]
    },
    "us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Schedule of Other Deferred Charges",
        "label": "Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]",
        "documentation": "Tabular disclosure of the amounts paid in advance for capitalized costs that will be expensed with the passage of time or the occurrence of a triggering event, and will be charged against earnings within one year or the normal operating cycle, if longer; the aggregate carrying amount of current assets, not separately presented elsewhere in the balance sheet; and other deferred costs."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DeferredCostsCurrentAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DeferredCostsCurrentAbstract",
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Deferred charges",
        "label": "Deferred Costs, Current [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DeferredCostsCurrentAndNoncurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DeferredCostsCurrentAndNoncurrent",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": "tris_PrepaidExpensesRegulatoryAssetsAndDeferredCosts",
       "weight": 1.0,
       "order": 3.0
      },
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESOtherDeferredChargesDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESOtherDeferredChargesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other",
        "totalLabel": "Total other deferred charges",
        "label": "Deferred Costs",
        "documentation": "The carrying amount of deferred costs."
       }
      }
     },
     "auth_ref": []
    },
    "tris_DeferredCreditsLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "DeferredCreditsLineItems",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESOtherDeferredCreditsandOtherLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Deferred Credits [Line Items]",
        "label": "Deferred Credits [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": []
    },
    "tris_DeferredCreditsRegulatoryLiabilitiesAndOtherLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "DeferredCreditsRegulatoryLiabilitiesAndOtherLiabilities",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Total deferred credits and other liabilities",
        "label": "Deferred Credits, Regulatory Liabilities And Other Liabilities",
        "documentation": "Sum of the carrying amounts as of the balance sheet date of deferred credits, regulatory liabilities, and other liabilities that are recognized at the end of the reporting period."
       }
      }
     },
     "auth_ref": []
    },
    "tris_DeferredCreditsTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "DeferredCreditsTable",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESOtherDeferredCreditsandOtherLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Deferred Credits [Table]",
        "label": "Deferred Credits [Table]",
        "documentation": "Schedule of deferred credits."
       }
      }
     },
     "auth_ref": []
    },
    "tris_DeferredImpairmentLossMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "DeferredImpairmentLossMember",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Deferred Impairment Loss",
        "label": "Deferred Impairment Loss [Member]",
        "documentation": "Deferred impairment losses on regulatory assets to be recovered from Members."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DeferredIncomeTaxChargesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DeferredIncomeTaxChargesMember",
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESNetDeferredTaxLiabilityDetails",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Deferred Income Tax Expense",
        "label": "Deferred Income Tax Charge [Member]",
        "documentation": "Rate action of a regulator resulting in capitalization or accrual of income taxes."
       }
      }
     },
     "auth_ref": [
      "r170",
      "r173",
      "r176",
      "r177"
     ]
    },
    "us-gaap_DeferredIncomeTaxExpenseBenefit": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DeferredIncomeTaxExpenseBenefit",
     "crdr": "debit",
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESNarrativeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Deferred income tax expense (benefit)",
        "label": "Deferred Income Tax Expense (Benefit)",
        "documentation": "Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations."
       }
      }
     },
     "auth_ref": [
      "r10",
      "r150",
      "r189",
      "r476",
      "r477",
      "r769"
     ]
    },
    "us-gaap_DeferredIncomeTaxLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DeferredIncomeTaxLiabilities",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/INCOMETAXESNetDeferredTaxLiabilityDetails": {
       "parentTag": "us-gaap_DeferredTaxLiabilities",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESNetDeferredTaxLiabilityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Deferred tax liabilities, total",
        "label": "Deferred Tax Liabilities, Gross",
        "documentation": "Amount of deferred tax liability attributable to taxable temporary differences."
       }
      }
     },
     "auth_ref": [
      "r114",
      "r115",
      "r162",
      "r465"
     ]
    },
    "us-gaap_DeferredIncomeTaxLiabilitiesNet": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DeferredIncomeTaxLiabilitiesNet",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": "tris_DeferredCreditsRegulatoryLiabilitiesAndOtherLiabilities",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Deferred income tax liability",
        "label": "Deferred Income Tax Liabilities, Net",
        "documentation": "Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences with jurisdictional netting."
       }
      }
     },
     "auth_ref": [
      "r458",
      "r459",
      "r542"
     ]
    },
    "tris_DeferredPrepaidLeaseExpenseMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "DeferredPrepaidLeaseExpenseMember",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Deferred Prepaid Lease Expense",
        "label": "Deferred Prepaid Lease Expense [Member]",
        "documentation": "Deferral of loss on acquisition related to the prepaid lease expense."
       }
      }
     },
     "auth_ref": []
    },
    "tris_DeferredRevenueRecognized": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "DeferredRevenueRecognized",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0,
       "order": 8.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Rate stabilization",
        "label": "Deferred Revenue Recognized",
        "documentation": "The amount of previously reported deferred or unearned revenue that was recognized as revenue during the period. For cash flows, this element primarily pertains to amortization of deferred credits on long-term arrangements. As a noncash item, it is deducted from net income when calculating cash provided by or used in operations using the indirect method."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DeferredTaxAssetsDeferredIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DeferredTaxAssetsDeferredIncome",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/INCOMETAXESNetDeferredTaxLiabilityDetails": {
       "parentTag": "us-gaap_DeferredTaxAssetsGross",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESNetDeferredTaxLiabilityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Deferred revenues and membership withdrawal",
        "label": "Deferred Tax Assets, Deferred Income",
        "documentation": "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from deferred income."
       }
      }
     },
     "auth_ref": [
      "r71",
      "r865"
     ]
    },
    "us-gaap_DeferredTaxAssetsGross": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DeferredTaxAssetsGross",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/INCOMETAXESNetDeferredTaxLiabilityDetails": {
       "parentTag": "us-gaap_DeferredTaxAssetsNet",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESNetDeferredTaxLiabilityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Deferred tax assets, gross",
        "label": "Deferred Tax Assets, Gross",
        "documentation": "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards."
       }
      }
     },
     "auth_ref": [
      "r466"
     ]
    },
    "us-gaap_DeferredTaxAssetsNet": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DeferredTaxAssetsNet",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/INCOMETAXESNetDeferredTaxLiabilityDetails": {
       "parentTag": "us-gaap_DeferredTaxLiabilities",
       "weight": -1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESNetDeferredTaxLiabilityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Deferred tax assets, net",
        "label": "Deferred Tax Assets, Net of Valuation Allowance",
        "documentation": "Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards."
       }
      }
     },
     "auth_ref": [
      "r864"
     ]
    },
    "us-gaap_DeferredTaxAssetsNetAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DeferredTaxAssetsNetAbstract",
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESNetDeferredTaxLiabilityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Deferred tax treatment of regulatory assets",
        "label": "Deferred Tax Assets, Net [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "tris_DeferredTaxAssetsOperatingLeases": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "DeferredTaxAssetsOperatingLeases",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/INCOMETAXESNetDeferredTaxLiabilityDetails": {
       "parentTag": "us-gaap_DeferredTaxAssetsGross",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESNetDeferredTaxLiabilityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Operating lease liabilities",
        "label": "Deferred Tax Assets, Operating Leases",
        "documentation": "Amount before allocation of valuation allowances of deferred tax assets attributable to deductible temporary differences arising from operating lease liabilities."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DeferredTaxAssetsOperatingLossCarryforwards": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DeferredTaxAssetsOperatingLossCarryforwards",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/INCOMETAXESNetDeferredTaxLiabilityDetails": {
       "parentTag": "us-gaap_DeferredTaxAssetsGross",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESNetDeferredTaxLiabilityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Net operating loss carryforwards",
        "label": "Deferred Tax Assets, Operating Loss Carryforwards",
        "documentation": "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards."
       }
      }
     },
     "auth_ref": [
      "r71",
      "r865"
     ]
    },
    "us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration",
     "crdr": "debit",
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESOperatingLossandTaxCreditCarryforwardsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Net operating loss carryforwards, not subject to expiration",
        "label": "Deferred Tax Assets, Operating Loss Carryforwards, Not Subject to Expiration",
        "documentation": "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards that are not subject to expiration dates."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration",
     "crdr": "debit",
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESOperatingLossandTaxCreditCarryforwardsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Net operating loss carryforwards, subject to expiration",
        "label": "Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration",
        "documentation": "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards that are subject to expiration dates."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DeferredTaxAssetsOther": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DeferredTaxAssetsOther",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/INCOMETAXESNetDeferredTaxLiabilityDetails": {
       "parentTag": "us-gaap_DeferredTaxAssetsGross",
       "weight": 1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESNetDeferredTaxLiabilityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other",
        "label": "Deferred Tax Assets, Other",
        "documentation": "Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other."
       }
      }
     },
     "auth_ref": [
      "r71",
      "r865"
     ]
    },
    "tris_DeferredTaxAssetsSafeHarborLeaseReceivables": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "DeferredTaxAssetsSafeHarborLeaseReceivables",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/INCOMETAXESNetDeferredTaxLiabilityDetails": {
       "parentTag": "us-gaap_DeferredTaxAssetsGross",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESNetDeferredTaxLiabilityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Safe harbor lease receivables",
        "label": "Deferred Tax Assets, Safe Harbor Lease Receivables",
        "documentation": "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from safe harbor lease receivables in accordance with enacted tax laws."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DeferredTaxAssetsValuationAllowance": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DeferredTaxAssetsValuationAllowance",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/INCOMETAXESNetDeferredTaxLiabilityDetails": {
       "parentTag": "us-gaap_DeferredTaxAssetsNet",
       "weight": -1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESNetDeferredTaxLiabilityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Less valuation allowance",
        "label": "Deferred Tax Assets, Valuation Allowance",
        "documentation": "Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized."
       }
      }
     },
     "auth_ref": [
      "r467"
     ]
    },
    "us-gaap_DeferredTaxLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DeferredTaxLiabilities",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/INCOMETAXESNetDeferredTaxLiabilityDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESNetDeferredTaxLiabilityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedTotalLabel": "Net deferred tax liability",
        "label": "Deferred Tax Liabilities, Net",
        "documentation": "Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting."
       }
      }
     },
     "auth_ref": [
      "r68",
      "r864"
     ]
    },
    "us-gaap_DeferredTaxLiabilitiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DeferredTaxLiabilitiesAbstract",
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESNetDeferredTaxLiabilityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Deferred tax liabilities",
        "label": "Deferred Tax Liabilities, Gross [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "tris_DeferredTaxLiabilitiesCapitalCreditsFromOtherAssociations": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "DeferredTaxLiabilitiesCapitalCreditsFromOtherAssociations",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/INCOMETAXESNetDeferredTaxLiabilityDetails": {
       "parentTag": "us-gaap_DeferredIncomeTaxLiabilities",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESNetDeferredTaxLiabilityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Capital credits from other associations",
        "label": "Deferred Tax Liabilities, Capital Credits From Other Associations",
        "documentation": "Amount of deferred tax liability attributable to taxable temporary differences from capital credits from other associations."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DeferredTaxLiabilitiesDeferredExpenseDeferredFinancingCosts": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DeferredTaxLiabilitiesDeferredExpenseDeferredFinancingCosts",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/INCOMETAXESNetDeferredTaxLiabilityDetails": {
       "parentTag": "us-gaap_DeferredIncomeTaxLiabilities",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESNetDeferredTaxLiabilityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Deferred debt prepayment transaction costs",
        "label": "Deferred Tax Liabilities, Deferred Expense, Debt Issuance Costs",
        "documentation": "Amount of deferred tax liability attributable to taxable temporary differences from debt issuance costs."
       }
      }
     },
     "auth_ref": [
      "r71",
      "r865"
     ]
    },
    "tris_DeferredTaxLiabilitiesIncreaseDecreaseNet": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "DeferredTaxLiabilitiesIncreaseDecreaseNet",
     "crdr": "debit",
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESNetDeferredTaxLiabilityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Increase (decrease) in net deferred tax liabilities",
        "label": "Deferred Tax Liabilities, Increase (Decrease), Net",
        "documentation": "Deferred Tax Liabilities, Increase (Decrease), Net"
       }
      }
     },
     "auth_ref": []
    },
    "tris_DeferredTaxLiabilitiesOperatingLeases": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "DeferredTaxLiabilitiesOperatingLeases",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/INCOMETAXESNetDeferredTaxLiabilityDetails": {
       "parentTag": "us-gaap_DeferredIncomeTaxLiabilities",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESNetDeferredTaxLiabilityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Operating lease right-of-use assets",
        "label": "Deferred Tax Liabilities, Operating Leases",
        "documentation": "Amount before allocation of valuation allowances of deferred tax liability attributable to deductible temporary differences arising from operating lease right-of-use assets."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DeferredTaxLiabilitiesOther": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DeferredTaxLiabilitiesOther",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/INCOMETAXESNetDeferredTaxLiabilityDetails": {
       "parentTag": "us-gaap_DeferredIncomeTaxLiabilities",
       "weight": 1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESNetDeferredTaxLiabilityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other",
        "label": "Deferred Tax Liabilities, Other",
        "documentation": "Amount of deferred tax liability attributable to taxable temporary differences classified as other."
       }
      }
     },
     "auth_ref": [
      "r71",
      "r865"
     ]
    },
    "tris_DeferredTaxLiabilitiesPropertyPlantAndEquipmentAndOther": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "DeferredTaxLiabilitiesPropertyPlantAndEquipmentAndOther",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/INCOMETAXESNetDeferredTaxLiabilityDetails": {
       "parentTag": "us-gaap_DeferredIncomeTaxLiabilities",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESNetDeferredTaxLiabilityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Basis differences- property, plant and equipment and other",
        "label": "Deferred Tax Liabilities, Property, Plant And Equipment And Other",
        "documentation": "Deferred Tax Liabilities, Property, Plant And Equipment And Other"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesAfterTax": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesAfterTax",
     "crdr": "credit",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsActuarialGainsandLossesandAssumptionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "periodStartLabel": "Amounts included in accumulated other comprehensive income at beginning of period",
        "periodEndLabel": "Amounts included in accumulated other comprehensive income at end of period",
        "label": "Accumulated Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), after Tax",
        "documentation": "Amount, after tax, of accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit."
       }
      }
     },
     "auth_ref": [
      "r35",
      "r410"
     ]
    },
    "us-gaap_DefinedBenefitPlanActualReturnOnPlanAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DefinedBenefitPlanActualReturnOnPlanAssets",
     "crdr": "debit",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsPlansAmendmentsandObligationsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Actual return on plan assets",
        "label": "Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss)",
        "documentation": "Amount of increase (decrease) in plan assets of defined benefit plan from actual return (loss) determined by change in fair value of plan assets adjusted for contributions, benefit payments, and other expenses."
       }
      }
     },
     "auth_ref": [
      "r380",
      "r695"
     ]
    },
    "us-gaap_DefinedBenefitPlanActuarialGainLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DefinedBenefitPlanActuarialGainLoss",
     "crdr": "credit",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsPlansAmendmentsandObligationsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Actuarial (gain) loss",
        "label": "Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss)",
        "documentation": "Amount of gain (loss) from change in actuarial assumptions which (increases) decreases benefit obligation of defined benefit plan. Assumptions include, but are not limited to, interest, mortality, employee turnover, salary, and temporary deviation from substantive plan."
       }
      }
     },
     "auth_ref": [
      "r373"
     ]
    },
    "us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsActuarialGainsandLossesandAssumptionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Weighted-average discount rate (as a percent)",
        "label": "Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate",
        "documentation": "Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan."
       }
      }
     },
     "auth_ref": [
      "r412"
     ]
    },
    "tris_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostAverageRemainingServiceLivesOfParticipants": {
     "xbrltype": "durationItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostAverageRemainingServiceLivesOfParticipants",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsActuarialGainsandLossesandAssumptionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Average remaining service lives of active plan participants (years)",
        "label": "Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost, Average Remaining Service Lives Of Participants",
        "documentation": "Represents the amount of defined benefit plan assumptions used in calculating net periodic benefit cost, average remaining service lives of participants"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DefinedBenefitPlanAssumptionsUsedInCalculationsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DefinedBenefitPlanAssumptionsUsedInCalculationsAbstract",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsActuarialGainsandLossesandAssumptionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Assumptions used",
        "label": "Defined Benefit Plan, Assumptions Used in Calculations [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DefinedBenefitPlanBenefitObligation": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DefinedBenefitPlanBenefitObligation",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsPlansAmendmentsandObligationsDetails": {
       "parentTag": "us-gaap_DefinedBenefitPlanFundedStatusOfPlan",
       "weight": -1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsPlansAmendmentsandObligationsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "periodStartLabel": "Executive benefit restoration/ postretirement and/or postemployment medical obligations at beginning of period",
        "periodEndLabel": "Executive benefit restoration/ postretirement and/or postemployment medical obligations at end of period",
        "label": "Defined Benefit Plan, Benefit Obligation",
        "documentation": "Amount of actuarial present value of benefits attributed to service rendered by employee for defined benefit plan."
       }
      }
     },
     "auth_ref": [
      "r368"
     ]
    },
    "us-gaap_DefinedBenefitPlanBenefitObligationBenefitsPaid": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DefinedBenefitPlanBenefitObligationBenefitsPaid",
     "crdr": "credit",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsPlansAmendmentsandObligationsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedTerseLabel": "Benefit payments",
        "label": "Defined Benefit Plan, Benefit Obligation, Benefits Paid",
        "documentation": "Amount of payment to participant of defined benefit plan which decreases benefit obligation. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services."
       }
      }
     },
     "auth_ref": [
      "r375",
      "r435"
     ]
    },
    "us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DefinedBenefitPlanChangeInBenefitObligationRollForward",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsPlansAmendmentsandObligationsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Postretirement medical benefit and postemployment medical benefit obligations",
        "label": "Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]",
        "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsPlansAmendmentsandObligationsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]",
        "label": "Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]",
        "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DefinedBenefitPlanContributionsByEmployer": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DefinedBenefitPlanContributionsByEmployer",
     "crdr": "debit",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsPlansAmendmentsandObligationsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Employer contributions",
        "label": "Defined Benefit Plan, Plan Assets, Contributions by Employer",
        "documentation": "Amount of contribution received by defined benefit plan from employer which increases plan assets."
       }
      }
     },
     "auth_ref": [
      "r382",
      "r392",
      "r431",
      "r693",
      "r694",
      "r695",
      "r696"
     ]
    },
    "us-gaap_DefinedBenefitPlanCurtailments": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DefinedBenefitPlanCurtailments",
     "crdr": "debit",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsPlansAmendmentsandObligationsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedTerseLabel": "Curtailment",
        "label": "Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Curtailment",
        "documentation": "Amount of (increase) decrease in benefit obligation of defined benefit plan from event reducing expected years of future service of present employees or eliminating accrual of benefits for some or all future services of present employees."
       }
      }
     },
     "auth_ref": [
      "r370"
     ]
    },
    "us-gaap_DefinedBenefitPlanDisclosureLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DefinedBenefitPlanDisclosureLineItems",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedBenefitPlanDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Defined Benefit Plan Disclosure [Line Items]",
        "label": "Defined Benefit Plan Disclosure [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": []
    },
    "tris_DefinedBenefitPlanExpectedFutureBenefitPayments": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "DefinedBenefitPlanExpectedFutureBenefitPayments",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSExpectedFutureBenefitsDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSExpectedFutureBenefitsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Total",
        "label": "Defined Benefit Plan Expected Future Benefit Payments",
        "documentation": "Aggregate amount of benefits from a defined benefit plan expected to be paid in the future."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSExpectedFutureBenefitsDetails": {
       "parentTag": "tris_DefinedBenefitPlanExpectedFutureBenefitPayments",
       "weight": 1.0,
       "order": 6.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSExpectedFutureBenefitsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "2029 through 2033",
        "label": "Defined Benefit Plan, Expected Future Benefit Payment, after Year Five for Next Five Years",
        "documentation": "Amount of benefit for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following current fiscal year."
       }
      }
     },
     "auth_ref": [
      "r399"
     ]
    },
    "us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSExpectedFutureBenefitsDetails": {
       "parentTag": "tris_DefinedBenefitPlanExpectedFutureBenefitPayments",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSExpectedFutureBenefitsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "2024",
        "label": "Defined Benefit Plan, Expected Future Benefit Payment, Year One",
        "documentation": "Amount of benefit for defined benefit plan expected to be paid in next fiscal year following current fiscal year."
       }
      }
     },
     "auth_ref": [
      "r399"
     ]
    },
    "us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSExpectedFutureBenefitsDetails": {
       "parentTag": "tris_DefinedBenefitPlanExpectedFutureBenefitPayments",
       "weight": 1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSExpectedFutureBenefitsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "2028",
        "label": "Defined Benefit Plan, Expected Future Benefit Payment, Year Five",
        "documentation": "Amount of benefit for defined benefit plan expected to be paid in fifth fiscal year following current fiscal year."
       }
      }
     },
     "auth_ref": [
      "r399"
     ]
    },
    "us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSExpectedFutureBenefitsDetails": {
       "parentTag": "tris_DefinedBenefitPlanExpectedFutureBenefitPayments",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSExpectedFutureBenefitsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "2027",
        "label": "Defined Benefit Plan, Expected Future Benefit Payment, Year Four",
        "documentation": "Amount of benefit for defined benefit plan expected to be paid in fourth fiscal year following current fiscal year."
       }
      }
     },
     "auth_ref": [
      "r399"
     ]
    },
    "us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSExpectedFutureBenefitsDetails": {
       "parentTag": "tris_DefinedBenefitPlanExpectedFutureBenefitPayments",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSExpectedFutureBenefitsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "2026",
        "label": "Defined Benefit Plan, Expected Future Benefit Payment, Year Three",
        "documentation": "Amount of benefit for defined benefit plan expected to be paid in third fiscal year following current fiscal year."
       }
      }
     },
     "auth_ref": [
      "r399"
     ]
    },
    "us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSExpectedFutureBenefitsDetails": {
       "parentTag": "tris_DefinedBenefitPlanExpectedFutureBenefitPayments",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSExpectedFutureBenefitsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "2025",
        "label": "Defined Benefit Plan, Expected Future Benefit Payment, Year Two",
        "documentation": "Amount of benefit for defined benefit plan expected to be paid in second fiscal year following current fiscal year."
       }
      }
     },
     "auth_ref": [
      "r399"
     ]
    },
    "us-gaap_DefinedBenefitPlanFairValueOfPlanAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DefinedBenefitPlanFairValueOfPlanAssets",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsPlansAmendmentsandObligationsDetails": {
       "parentTag": "us-gaap_DefinedBenefitPlanFundedStatusOfPlan",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsPlansAmendmentsandObligationsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "periodStartLabel": "Fair value of plan assets at beginning of year",
        "periodEndLabel": "Fair value of plan assets at end of year",
        "label": "Defined Benefit Plan, Plan Assets, Amount",
        "documentation": "Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee."
       }
      }
     },
     "auth_ref": [
      "r379",
      "r390",
      "r392",
      "r393",
      "r693",
      "r694",
      "r695"
     ]
    },
    "us-gaap_DefinedBenefitPlanFundedPercentage": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DefinedBenefitPlanFundedPercentage",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedBenefitPlanDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Funded amount (as a percent)",
        "label": "Defined Benefit Plan, Funded Percentage",
        "documentation": "Percentage of plan assets to benefit obligation of defined benefit plan."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DefinedBenefitPlanFundedStatusOfPlan": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DefinedBenefitPlanFundedStatusOfPlan",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsPlansAmendmentsandObligationsDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsPlansAmendmentsandObligationsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedTotalLabel": "Net (asset) liability recognized",
        "label": "Defined Benefit Plan, Funded (Unfunded) Status of Plan",
        "documentation": "Amount of funded (unfunded) status of defined benefit plan, measured as difference between fair value of plan assets and benefit obligation. Includes, but is not limited to, overfunded (underfunded) status."
       }
      }
     },
     "auth_ref": [
      "r366",
      "r388",
      "r695"
     ]
    },
    "tris_DefinedBenefitPlanHealthCareCostTrendRateAssumedForCurrentFiscalYear": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "DefinedBenefitPlanHealthCareCostTrendRateAssumedForCurrentFiscalYear",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsActuarialGainsandLossesandAssumptionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Initial health care cost trend (2018) (as a percent)",
        "label": "Defined Benefit Plan, Health Care Cost Trend Rate Assumed For Current Fiscal Year",
        "documentation": "The assumed health care cost trend rate for the current year used to measure the expected cost of benefits covered by the plan (gross eligible charges). This is based upon the annual rate of change in the cost of health care benefits currently provided by the postretirement benefit plan, due to factors other than changes in the composition of the plan population by age and dependency status."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DefinedBenefitPlanInterestCost": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DefinedBenefitPlanInterestCost",
     "crdr": "debit",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsPlansAmendmentsandObligationsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Interest cost",
        "label": "Defined Benefit Plan, Interest Cost",
        "documentation": "Amount of cost recognized for passage of time related to defined benefit plan."
       }
      }
     },
     "auth_ref": [
      "r367",
      "r371",
      "r403",
      "r425",
      "r695",
      "r696"
     ]
    },
    "tris_DefinedBenefitPlanNumberOfPlans": {
     "xbrltype": "integerItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "DefinedBenefitPlanNumberOfPlans",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedContributionPlansDetails",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Number of plans",
        "label": "Defined Benefit Plan, Number Of Plans",
        "documentation": "The number of plans sponsored by entity."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DefinedBenefitPlanPlanAmendments": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DefinedBenefitPlanPlanAmendments",
     "crdr": "credit",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsPlansAmendmentsandObligationsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Plan amendments",
        "label": "Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Plan Amendment",
        "documentation": "Amount of increase (decrease) in benefit obligation of defined benefit plan from change in terms of existing plan or initiation of new plan."
       }
      }
     },
     "auth_ref": [
      "r376"
     ]
    },
    "us-gaap_DefinedBenefitPlanPlanAssetsBenefitsPaid": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DefinedBenefitPlanPlanAssetsBenefitsPaid",
     "crdr": "credit",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsPlansAmendmentsandObligationsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedTerseLabel": "Benefits paid",
        "label": "Defined Benefit Plan, Plan Assets, Benefits Paid",
        "documentation": "Amount of payment to participant under defined benefit plan which decreases plan assets. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services."
       }
      }
     },
     "auth_ref": [
      "r384",
      "r861"
     ]
    },
    "us-gaap_DefinedBenefitPlanServiceCost": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DefinedBenefitPlanServiceCost",
     "crdr": "debit",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsPlansAmendmentsandObligationsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Service cost",
        "label": "Defined Benefit Plan, Service Cost",
        "documentation": "Amount of cost for actuarial present value of benefits attributed to service rendered by employee for defined benefit plan."
       }
      }
     },
     "auth_ref": [
      "r369",
      "r402",
      "r424",
      "r695",
      "r696"
     ]
    },
    "tris_DefinedBenefitPlanThresholdUnrecognizedAmountOfActuarialGainsAndLossesAsPercentageOfAccumulatedPostretirementBenefitObligation": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "DefinedBenefitPlanThresholdUnrecognizedAmountOfActuarialGainsAndLossesAsPercentageOfAccumulatedPostretirementBenefitObligation",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsPlansAmendmentsandObligationsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Threshold for unrecognized amount of actuarial gains and losses as a proportion of projected benefit obligation (as a percent)",
        "label": "Defined Benefit Plan, Threshold, Unrecognized Amount Of Actuarial Gains And Losses As Percentage Of Accumulated Postretirement Benefit Obligation",
        "documentation": "The threshold percentage, represented by unrecognized amount of actuarial gains and losses as a percentage of accumulated postretirement benefit obligation, above which the amounts are reclassified out of AOCI."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate1": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DefinedBenefitPlanUltimateHealthCareCostTrendRate1",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsActuarialGainsandLossesandAssumptionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Ultimate health care cost trend (as a percent)",
        "label": "Defined Benefit Plan, Ultimate Health Care Cost Trend Rate",
        "documentation": "Ultimate trend rate for health care cost for defined benefit postretirement plan."
       }
      }
     },
     "auth_ref": [
      "r415"
     ]
    },
    "us-gaap_DefinedBenefitPlanYearHealthCareCostTrendRateReachesUltimateTrendRate": {
     "xbrltype": "gYearListItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DefinedBenefitPlanYearHealthCareCostTrendRateReachesUltimateTrendRate",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsActuarialGainsandLossesandAssumptionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Year that the rate reached the ultimate health care cost trend rate",
        "label": "Defined Benefit Plan, Year Health Care Cost Trend Rate Reaches Ultimate Trend Rate",
        "documentation": "Year ultimate health care cost trend rate is expected to be reached, in YYYY format."
       }
      }
     },
     "auth_ref": [
      "r415"
     ]
    },
    "us-gaap_DefinedContributionPlanCostRecognized": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DefinedContributionPlanCostRecognized",
     "crdr": "debit",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedContributionPlansDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Employer contributions made",
        "label": "Defined Contribution Plan, Cost",
        "documentation": "Amount of cost for defined contribution plan."
       }
      }
     },
     "auth_ref": [
      "r436"
     ]
    },
    "us-gaap_DefinedContributionPlanDisclosureLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DefinedContributionPlanDisclosureLineItems",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedContributionPlansDetails",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSExpectedFutureBenefitsDetails",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsActuarialGainsandLossesandAssumptionsDetails",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsDetails",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsPlansAmendmentsandObligationsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Defined Contribution Plan Disclosure [Line Items]",
        "label": "Defined Contribution Plan Disclosure [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": [
      "r436"
     ]
    },
    "us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DefinedContributionPlanEmployerMatchingContributionPercent",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedContributionPlansDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Employer contribution, maximum proportion of eligible earnings (as a percent)",
        "label": "Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay",
        "documentation": "Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DefinedContributionPlanEmployerMatchingContributionPercentOfMatch",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedBenefitPlanDetails",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedContributionPlansDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Employer matching contribution, maximum proportion of employee contributions (as a percent)",
        "label": "Defined Contribution Plan, Employer Matching Contribution, Percent of Match",
        "documentation": "Percentage employer matches of the employee's percentage contribution matched."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedContributionPlansDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Employee contribution, maximum proportion of eligible earnings (as a percent)",
        "label": "Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent",
        "documentation": "Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan."
       }
      }
     },
     "auth_ref": []
    },
    "tris_DefinedContributionPlanMaximumEmployerContributionPercent": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "DefinedContributionPlanMaximumEmployerContributionPercent",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedContributionPlansDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Maximum employer contribution (as a percent)",
        "label": "Defined Contribution Plan, Maximum Employer Contribution, Percent",
        "documentation": "Defined Contribution Plan, Maximum Employer Contribution, Percent"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DefinedContributionPlanTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DefinedContributionPlanTable",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedContributionPlansDetails",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Defined Contribution Plan [Table]",
        "label": "Defined Contribution Plan [Table]",
        "documentation": "Disclosure of information about defined contribution pension plans or defined contribution other postretirement plans, separately for pension plans and other postretirement benefit plans."
       }
      }
     },
     "auth_ref": [
      "r436"
     ]
    },
    "tris_DepositsAndAdvancesCurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "DepositsAndAdvancesCurrent",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Deposits and advances",
        "label": "Deposits And Advances, Current",
        "documentation": "Amount of asset related to consideration paid for deposits required by contract and advances to vendors that provide economic benefits within a future period of one year or the normal operating cycle, if longer."
       }
      }
     },
     "auth_ref": []
    },
    "tris_DepositsForGenerationInterconnectionStudies": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "DepositsForGenerationInterconnectionStudies",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0,
       "order": 7.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Deposits associated with generator interconnection requests",
        "label": "Deposits For Generation Interconnection Studies",
        "documentation": "Deposits For Generation Interconnection Studies"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DepreciationDepletionAndAmortization": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DepreciationDepletionAndAmortization",
     "crdr": "debit",
     "presentation": [
      "http://www.tristategt.org/role/VARIABLEINTERESTENTITIESDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Depreciation, amortization and depletion",
        "label": "Depreciation, Depletion and Amortization",
        "documentation": "The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets."
       }
      }
     },
     "auth_ref": [
      "r10",
      "r269"
     ]
    },
    "tris_DepreciationDepletionAndAmortizationExcludingIntangibleAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "DepreciationDepletionAndAmortizationExcludingIntangibleAssets",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0,
       "order": 2.0
      },
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations": {
       "parentTag": "us-gaap_CostsAndExpenses",
       "weight": 1.0,
       "order": 6.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows",
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Depreciation, amortization and depletion",
        "label": "Depreciation, Depletion And Amortization, Excluding Intangible Assets",
        "documentation": "The aggregate expense recognized in the current period that allocates the cost of tangible assets or depleting assets to periods that benefit from use of the assets. Excludes amortization on intangible assets."
       }
      }
     },
     "auth_ref": []
    },
    "tris_DirectorAndExecutiveElectiveDeferredCompensationInvestmentsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "DirectorAndExecutiveElectiveDeferredCompensationInvestmentsMember",
     "presentation": [
      "http://www.tristategt.org/role/FAIRVALUEDetails",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESMarketableSecuritiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Director and Executive Elective Deferred Compensation Investments",
        "label": "Director And Executive Elective Deferred Compensation Investments [Member]",
        "documentation": "Director And Executive Elective Deferred Compensation Investments"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DisaggregationOfRevenueAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DisaggregationOfRevenueAbstract",
     "presentation": [
      "http://www.tristategt.org/role/REVENUESummaryDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disaggregation of revenue",
        "label": "Disaggregation of Revenue [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_DisaggregationOfRevenueLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DisaggregationOfRevenueLineItems",
     "presentation": [
      "http://www.tristategt.org/role/REVENUENarrativeDetails",
      "http://www.tristategt.org/role/REVENUESummaryDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disaggregation of Revenue [Line Items]",
        "label": "Disaggregation of Revenue [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": [
      "r361",
      "r686",
      "r687",
      "r688",
      "r689",
      "r690",
      "r691",
      "r692"
     ]
    },
    "us-gaap_DisaggregationOfRevenueTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DisaggregationOfRevenueTable",
     "presentation": [
      "http://www.tristategt.org/role/REVENUENarrativeDetails",
      "http://www.tristategt.org/role/REVENUESummaryDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disaggregation of Revenue [Table]",
        "label": "Disaggregation of Revenue [Table]",
        "documentation": "Disclosure of information about disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor."
       }
      }
     },
     "auth_ref": [
      "r361",
      "r686",
      "r687",
      "r688",
      "r689",
      "r690",
      "r691",
      "r692"
     ]
    },
    "us-gaap_DisaggregationOfRevenueTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DisaggregationOfRevenueTableTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/REVENUETables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Schedule of Revenue from Contracts with Non-Member Customers and Other Operating Revenue",
        "label": "Disaggregation of Revenue [Table Text Block]",
        "documentation": "Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor."
       }
      }
     },
     "auth_ref": [
      "r799"
     ]
    },
    "dei_DocumentAnnualReport": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "DocumentAnnualReport",
     "presentation": [
      "http://www.tristategt.org/role/Cover"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Document Annual Report",
        "label": "Document Annual Report",
        "documentation": "Boolean flag that is true only for a form used as an annual report."
       }
      }
     },
     "auth_ref": [
      "r729",
      "r730",
      "r731"
     ]
    },
    "dei_DocumentFinStmtErrorCorrectionFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "DocumentFinStmtErrorCorrectionFlag",
     "presentation": [
      "http://www.tristategt.org/role/Cover"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Document Financial Statement Error Correction [Flag]",
        "label": "Document Financial Statement Error Correction [Flag]",
        "documentation": "Indicates whether any of the financial statement period in the filing include a restatement due to error correction."
       }
      }
     },
     "auth_ref": [
      "r729",
      "r730",
      "r731",
      "r733"
     ]
    },
    "dei_DocumentFiscalPeriodFocus": {
     "xbrltype": "fiscalPeriodItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "DocumentFiscalPeriodFocus",
     "presentation": [
      "http://www.tristategt.org/role/Cover"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Document Fiscal Period Focus",
        "label": "Document Fiscal Period Focus",
        "documentation": "Fiscal period values are FY, Q1, Q2, and Q3.  1st, 2nd and 3rd quarter 10-Q or 10-QT statements have value Q1, Q2, and Q3 respectively, with 10-K, 10-KT or other fiscal year statements having FY."
       }
      }
     },
     "auth_ref": []
    },
    "dei_DocumentFiscalYearFocus": {
     "xbrltype": "gYearItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "DocumentFiscalYearFocus",
     "presentation": [
      "http://www.tristategt.org/role/Cover"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Document Fiscal Year Focus",
        "label": "Document Fiscal Year Focus",
        "documentation": "This is focus fiscal year of the document report in YYYY format. For a 2006 annual report, which may also provide financial information from prior periods, fiscal 2006 should be given as the fiscal year focus. Example: 2006."
       }
      }
     },
     "auth_ref": []
    },
    "dei_DocumentPeriodEndDate": {
     "xbrltype": "dateItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "DocumentPeriodEndDate",
     "presentation": [
      "http://www.tristategt.org/role/Cover"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Document Period End Date",
        "label": "Document Period End Date",
        "documentation": "For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period.  The format of the date is YYYY-MM-DD."
       }
      }
     },
     "auth_ref": []
    },
    "dei_DocumentTransitionReport": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "DocumentTransitionReport",
     "presentation": [
      "http://www.tristategt.org/role/Cover"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Document Transition Report",
        "label": "Document Transition Report",
        "documentation": "Boolean flag that is true only for a form used as a transition report."
       }
      }
     },
     "auth_ref": [
      "r732"
     ]
    },
    "dei_DocumentType": {
     "xbrltype": "submissionTypeItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "DocumentType",
     "presentation": [
      "http://www.tristategt.org/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": []
    },
    "dei_DocumentsIncorporatedByReferenceTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "DocumentsIncorporatedByReferenceTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/Cover"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Documents Incorporated by Reference",
        "label": "Documents Incorporated by Reference [Text Block]",
        "documentation": "Documents incorporated by reference."
       }
      }
     },
     "auth_ref": [
      "r728"
     ]
    },
    "us-gaap_DomesticCountryMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "DomesticCountryMember",
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESOperatingLossandTaxCreditCarryforwardsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Federal",
        "label": "Domestic Tax Authority [Member]",
        "documentation": "Designated tax department of the government that is entitled to levy and collect income taxes from the entity in its country of domicile."
       }
      }
     },
     "auth_ref": []
    },
    "tris_DueFromJointVenturePartners": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "DueFromJointVenturePartners",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESOtherDeferredChargesDetails": {
       "parentTag": "us-gaap_DeferredCostsCurrentAndNoncurrent",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESOtherDeferredChargesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Advances to operating agents of jointly owned facilities",
        "label": "Due From Joint Venture Partners",
        "documentation": "For an unclassified balance sheet, amounts due from the operating agent of the entity in which the reporting entity shares joint control with another party or group."
       }
      }
     },
     "auth_ref": []
    },
    "tris_EBTTrustInvestmentsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "EBTTrustInvestmentsMember",
     "presentation": [
      "http://www.tristategt.org/role/FAIRVALUEDetails",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESMarketableSecuritiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "EBT Trust Investments",
        "label": "EBT Trust Investments [Member]",
        "documentation": "EBT Trust Investments"
       }
      }
     },
     "auth_ref": []
    },
    "tris_EasementRightOfWayPaymentsDue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "EasementRightOfWayPaymentsDue",
     "crdr": "credit",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESOtherDeferredCreditsandOtherLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Total due for easement right of way",
        "label": "Easement Right Of Way, Payments Due",
        "documentation": "Total amount of payments due for easement right of way per terms of agreement."
       }
      }
     },
     "auth_ref": []
    },
    "tris_EasementRightOfWayPresentValueOfPaymentsDue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "EasementRightOfWayPresentValueOfPaymentsDue",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESOtherDeferredCreditsandOtherLiabilitiesDetails": {
       "parentTag": "tris_OtherDeferredCreditsAndOtherLiabilities",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESOtherDeferredCreditsandOtherLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Present value of transmission easement payments",
        "terseLabel": "Transmission easements",
        "label": "Easement Right Of Way, Present Value Of Payments Due",
        "documentation": "Present value of easement right of way payments due recorded."
       }
      }
     },
     "auth_ref": []
    },
    "tris_EasternInterconnectionMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "EasternInterconnectionMember",
     "presentation": [
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESElectricPowerPurchaseAgreementsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Eastern Interconnection",
        "label": "Eastern Interconnection [Member]",
        "documentation": "Information pertaining to the Eastern Interconnection member load."
       }
      }
     },
     "auth_ref": []
    },
    "tris_EffectiveIncomeTaxRateReconciliationAssetRetirementAndEnvironmentalReclamationObligationAmount": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "EffectiveIncomeTaxRateReconciliationAssetRetirementAndEnvironmentalReclamationObligationAmount",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/INCOMETAXESEffectiveIncomeTaxReconciliationDetails": {
       "parentTag": "us-gaap_IncomeTaxExpenseBenefit",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESEffectiveIncomeTaxReconciliationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Asset retirement and environmental reclamation obligations",
        "label": "Effective Income Tax Rate Reconciliation, Asset Retirement And Environmental Reclamation Obligation, Amount",
        "documentation": "Effective Income Tax Rate Reconciliation, Asset Retirement And Environmental Reclamation Obligation, Amount"
       }
      }
     },
     "auth_ref": []
    },
    "tris_EffectiveIncomeTaxRateReconciliationDeferredRevenueAndMembershipWithdrawalAmount": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "EffectiveIncomeTaxRateReconciliationDeferredRevenueAndMembershipWithdrawalAmount",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/INCOMETAXESEffectiveIncomeTaxReconciliationDetails": {
       "parentTag": "us-gaap_IncomeTaxExpenseBenefit",
       "weight": -1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESEffectiveIncomeTaxReconciliationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedTerseLabel": "Deferred revenues and membership withdrawal",
        "label": "Effective Income Tax Rate Reconciliation, Deferred Revenue And Membership Withdrawal, Amount",
        "documentation": "Effective Income Tax Rate Reconciliation, Deferred Revenue And Membership Withdrawal, Amount"
       }
      }
     },
     "auth_ref": []
    },
    "tris_EffectiveIncomeTaxRateReconciliationOperatingLossCarryforwardsAmount": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "EffectiveIncomeTaxRateReconciliationOperatingLossCarryforwardsAmount",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/INCOMETAXESEffectiveIncomeTaxReconciliationDetails": {
       "parentTag": "us-gaap_IncomeTaxExpenseBenefit",
       "weight": 1.0,
       "order": 8.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESEffectiveIncomeTaxReconciliationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Net operating loss carryforward",
        "label": "Effective Income Tax Rate Reconciliation, Operating Loss Carryforwards, Amount",
        "documentation": "Effective Income Tax Rate Reconciliation, Operating Loss Carryforwards, Amount"
       }
      }
     },
     "auth_ref": []
    },
    "tris_EffectiveIncomeTaxRateReconciliationRegulatoryTreatmentOfDeferredTaxesAmount": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "EffectiveIncomeTaxRateReconciliationRegulatoryTreatmentOfDeferredTaxesAmount",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/INCOMETAXESEffectiveIncomeTaxReconciliationDetails": {
       "parentTag": "us-gaap_IncomeTaxExpenseBenefit",
       "weight": -1.0,
       "order": 11.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESEffectiveIncomeTaxReconciliationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedTerseLabel": "Regulatory treatment of deferred taxes",
        "label": "Effective Income Tax Rate Reconciliation, Regulatory Treatment Of Deferred Taxes, Amount",
        "documentation": "Effective Income Tax Rate Reconciliation, Regulatory Treatment Of Deferred Taxes, Amount"
       }
      }
     },
     "auth_ref": []
    },
    "tris_ElectricGeneralPlantMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "ElectricGeneralPlantMember",
     "presentation": [
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTElectricPlantDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "General plant",
        "label": "Electric General Plant [Member]",
        "documentation": "Represents information pertaining to general plant."
       }
      }
     },
     "auth_ref": []
    },
    "tris_ElectricPlantAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "ElectricPlantAbstract",
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Electric plant",
        "label": "Electric Plant [Abstract]",
        "documentation": "No definition available."
       }
      }
     },
     "auth_ref": []
    },
    "tris_ElectricPlantAndDepreciationPolicyPolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "ElectricPlantAndDepreciationPolicyPolicyTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "ELECTRIC PLANT AND DEPRECIATION",
        "label": "Electric Plant And Depreciation Policy [Policy Text Block]",
        "documentation": "Disclosure of accounting policy for a utility company's accounting treatment for plant and depreciation. Also includes accounting treatment for interest costs when it uses an intermediary for plant construction."
       }
      }
     },
     "auth_ref": []
    },
    "tris_ElectricPlantMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "ElectricPlantMember",
     "presentation": [
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTConstructionCommitmentsDetails",
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTElectricPlantDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Electric Plant",
        "label": "Electric Plant [Member]",
        "documentation": "Represents information pertaining to electric plant consisting of generation plant, transmission plant, general plant and other plant in service."
       }
      }
     },
     "auth_ref": []
    },
    "tris_ElectricSalesMemberMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "ElectricSalesMemberMember",
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations",
      "http://www.tristategt.org/role/ORGANIZATIONDetails",
      "http://www.tristategt.org/role/REVENUENarrativeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Member electric sales",
        "label": "Electric Sales Member [Member]",
        "documentation": "Information pertaining to electric sales made to members of the cooperative."
       }
      }
     },
     "auth_ref": []
    },
    "tris_ElectricSalesNonMemberMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "ElectricSalesNonMemberMember",
     "presentation": [
      "http://www.tristategt.org/role/CONTRACTASSETSANDCONTRACTLIABILITIESDetails",
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations",
      "http://www.tristategt.org/role/REVENUESummaryDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Non-member electric sales",
        "label": "Electric Sales Non Member [Member]",
        "documentation": "Information pertaining to electric sales made to entities that are not members of the cooperative."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ElectricTransmissionMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ElectricTransmissionMember",
     "presentation": [
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTElectricPlantDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Transmission plant",
        "label": "Electric Transmission [Member]",
        "documentation": "System used for the electrical transmission of the bulk transport of high voltage power, typically over longer distances, between generating plants and distribution systems. Typically comprised of towers, overhead conductors, underground conduits, roads and trails."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ElectricityGenerationPlantNonNuclearMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ElectricityGenerationPlantNonNuclearMember",
     "presentation": [
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTElectricPlantDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Generation plant",
        "label": "Electricity Generation Plant, Non-Nuclear [Member]",
        "documentation": "Plant used in connection with non-nuclear electricity generation."
       }
      }
     },
     "auth_ref": [
      "r172"
     ]
    },
    "us-gaap_ElectricityMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ElectricityMember",
     "presentation": [
      "http://www.tristategt.org/role/ORGANIZATIONDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Electric sales",
        "label": "Electricity [Member]",
        "documentation": "Generation, transmission and distribution of electric energy."
       }
      }
     },
     "auth_ref": [
      "r800"
     ]
    },
    "tris_ElkRidgeMiningAndReclamationLLCMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "ElkRidgeMiningAndReclamationLLCMember",
     "presentation": [
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTOtherPlantDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Elk Ridge",
        "label": "Elk Ridge Mining And Reclamation LLC [Member]",
        "documentation": "Represents information pertaining to Elk Ridge Mining and Reclamation, LLC."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_EnergyMarketingAccountsPayable": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "EnergyMarketingAccountsPayable",
     "crdr": "credit",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESInterchangePowerDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Interchange liability",
        "label": "Energy Marketing Accounts Payable",
        "documentation": "Carrying value as of the balance sheet date of obligations incurred and payable for energy purchases, typically by a utility or an entity engaged in selling energy contracts."
       }
      }
     },
     "auth_ref": [
      "r21"
     ]
    },
    "us-gaap_EnergyRelatedInventoryAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "EnergyRelatedInventoryAbstract",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESInventoriesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "INVENTORIES:",
        "label": "Energy Related Inventory [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_EnergyRelatedInventoryCoal": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "EnergyRelatedInventoryCoal",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0,
       "order": 6.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESInventoriesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Coal inventory",
        "label": "Energy Related Inventory, Coal",
        "documentation": "Carrying amount as of the balance sheet date of coal, which is a combustible rock or minerals which are extracted from the ground and used as fuel."
       }
      }
     },
     "auth_ref": [
      "r758"
     ]
    },
    "tris_EnergyResourcesPercentageProvidedByGeneration": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "EnergyResourcesPercentageProvidedByGeneration",
     "presentation": [
      "http://www.tristategt.org/role/ORGANIZATIONDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Energy resources, proportion supplied by generation (as a percent)",
        "label": "Energy Resources, Percentage Provided By Generation",
        "documentation": "Percentage of energy resources provided by generation."
       }
      }
     },
     "auth_ref": []
    },
    "tris_EnergySalesAmountRefunded": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "EnergySalesAmountRefunded",
     "crdr": "credit",
     "presentation": [
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESLegalDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Energy sales refunded to third party",
        "label": "Energy Sales, Amount Refunded",
        "documentation": "Energy Sales, Amount Refunded"
       }
      }
     },
     "auth_ref": []
    },
    "tris_EnergySalesFundsInExcessOfSoftCap": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "EnergySalesFundsInExcessOfSoftCap",
     "crdr": "debit",
     "presentation": [
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESLegalDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Funds in excess of soft-cap",
        "label": "Energy Sales, Funds in Excess of Soft-Cap",
        "documentation": "Energy Sales, Funds in Excess of Soft-Cap"
       }
      }
     },
     "auth_ref": []
    },
    "tris_EnergySalesSoftCapPriceThreshold": {
     "xbrltype": "perUnitItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "EnergySalesSoftCapPriceThreshold",
     "presentation": [
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESLegalDetails",
      "http://www.tristategt.org/role/REVENUENarrativeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Soft-cap price for short term spot market sales (per megawatt hour)",
        "label": "Energy Sales, Soft-Cap Price Threshold",
        "documentation": "Energy Sales, Soft-Cap Price Threshold"
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressAddressLine1": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "EntityAddressAddressLine1",
     "presentation": [
      "http://www.tristategt.org/role/Cover"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Entity Address, Address Line One",
        "label": "Entity Address, Address Line One",
        "documentation": "Address Line 1 such as Attn, Building Name, Street Name"
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressCityOrTown": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "EntityAddressCityOrTown",
     "presentation": [
      "http://www.tristategt.org/role/Cover"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Entity Address, City or Town",
        "label": "Entity Address, City or Town",
        "documentation": "Name of the City or Town"
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressPostalZipCode": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "EntityAddressPostalZipCode",
     "presentation": [
      "http://www.tristategt.org/role/Cover"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Entity Address, Postal Zip Code",
        "label": "Entity Address, Postal Zip Code",
        "documentation": "Code for the postal or zip code"
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressStateOrProvince": {
     "xbrltype": "stateOrProvinceItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "EntityAddressStateOrProvince",
     "presentation": [
      "http://www.tristategt.org/role/Cover"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Entity Address, State or Province",
        "label": "Entity Address, State or Province",
        "documentation": "Name of the state or province."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityCentralIndexKey": {
     "xbrltype": "centralIndexKeyItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "EntityCentralIndexKey",
     "presentation": [
      "http://www.tristategt.org/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": [
      "r727"
     ]
    },
    "dei_EntityCommonStockSharesOutstanding": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "EntityCommonStockSharesOutstanding",
     "presentation": [
      "http://www.tristategt.org/role/Cover"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Entity Common Stock, Shares Outstanding",
        "label": "Entity Common Stock, Shares Outstanding",
        "documentation": "Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityCurrentReportingStatus": {
     "xbrltype": "yesNoItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "EntityCurrentReportingStatus",
     "presentation": [
      "http://www.tristategt.org/role/Cover"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Entity Current Reporting Status",
        "label": "Entity Current Reporting Status",
        "documentation": "Indicate 'Yes' or 'No' whether registrants (1) have filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that registrants were required to file such reports), and (2) have been subject to such filing requirements for the past 90 days. This information should be based on the registrant's current or most recent filing containing the related disclosure."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "EntityDomain",
     "presentation": [
      "http://www.tristategt.org/role/VARIABLEINTERESTENTITIESDetails"
     ],
     "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_EntityEmergingGrowthCompany": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "EntityEmergingGrowthCompany",
     "presentation": [
      "http://www.tristategt.org/role/Cover"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Entity Emerging Growth Company",
        "label": "Entity Emerging Growth Company",
        "documentation": "Indicate if registrant meets the emerging growth company criteria."
       }
      }
     },
     "auth_ref": [
      "r727"
     ]
    },
    "dei_EntityFileNumber": {
     "xbrltype": "fileNumberItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "EntityFileNumber",
     "presentation": [
      "http://www.tristategt.org/role/Cover"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Entity File Number",
        "label": "Entity File Number",
        "documentation": "Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityFilerCategory": {
     "xbrltype": "filerCategoryItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "EntityFilerCategory",
     "presentation": [
      "http://www.tristategt.org/role/Cover"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Entity Filer Category",
        "label": "Entity Filer Category",
        "documentation": "Indicate whether the registrant is one of the following: Large Accelerated Filer, Accelerated Filer, Non-accelerated Filer. Definitions of these categories are stated in Rule 12b-2 of the Exchange Act. This information should be based on the registrant's current or most recent filing containing the related disclosure."
       }
      }
     },
     "auth_ref": [
      "r727"
     ]
    },
    "dei_EntityIncorporationStateCountryCode": {
     "xbrltype": "edgarStateCountryItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "EntityIncorporationStateCountryCode",
     "presentation": [
      "http://www.tristategt.org/role/Cover"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Entity Incorporation, State or Country Code",
        "label": "Entity Incorporation, State or Country Code",
        "documentation": "Two-character EDGAR code representing the state or country of incorporation."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityInteractiveDataCurrent": {
     "xbrltype": "yesNoItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "EntityInteractiveDataCurrent",
     "presentation": [
      "http://www.tristategt.org/role/Cover"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Entity Interactive Data Current",
        "label": "Entity Interactive Data Current",
        "documentation": "Boolean flag that is true when the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files)."
       }
      }
     },
     "auth_ref": [
      "r734"
     ]
    },
    "dei_EntityNumberOfEmployees": {
     "xbrltype": "decimalItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "EntityNumberOfEmployees",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedBenefitPlanDetails",
      "http://www.tristategt.org/role/ORGANIZATIONDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Number of employees",
        "label": "Entity Number of Employees",
        "documentation": "Number of persons employed by the Entity"
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityPublicFloat": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "EntityPublicFloat",
     "crdr": "credit",
     "presentation": [
      "http://www.tristategt.org/role/Cover"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Entity Public Float",
        "label": "Entity Public Float",
        "documentation": "The aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the registrant's most recently completed second fiscal quarter."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityRegistrantName": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "EntityRegistrantName",
     "presentation": [
      "http://www.tristategt.org/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": [
      "r727"
     ]
    },
    "dei_EntityShellCompany": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "EntityShellCompany",
     "presentation": [
      "http://www.tristategt.org/role/Cover"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Entity Shell Company",
        "label": "Entity Shell Company",
        "documentation": "Boolean flag that is true when the registrant is a shell company as defined in Rule 12b-2 of the Exchange Act."
       }
      }
     },
     "auth_ref": [
      "r727"
     ]
    },
    "dei_EntitySmallBusiness": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "EntitySmallBusiness",
     "presentation": [
      "http://www.tristategt.org/role/Cover"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Entity Small Business",
        "label": "Entity Small Business",
        "documentation": "Indicates that the company is a Smaller Reporting Company (SRC)."
       }
      }
     },
     "auth_ref": [
      "r727"
     ]
    },
    "dei_EntityTaxIdentificationNumber": {
     "xbrltype": "employerIdItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "EntityTaxIdentificationNumber",
     "presentation": [
      "http://www.tristategt.org/role/Cover"
     ],
     "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": [
      "r727"
     ]
    },
    "dei_EntityVoluntaryFilers": {
     "xbrltype": "yesNoItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "EntityVoluntaryFilers",
     "presentation": [
      "http://www.tristategt.org/role/Cover"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Entity Voluntary Filers",
        "label": "Entity Voluntary Filers",
        "documentation": "Indicate 'Yes' or 'No' if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityWellKnownSeasonedIssuer": {
     "xbrltype": "yesNoItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "EntityWellKnownSeasonedIssuer",
     "presentation": [
      "http://www.tristategt.org/role/Cover"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Entity Well-known Seasoned Issuer",
        "label": "Entity Well-known Seasoned Issuer",
        "documentation": "Indicate 'Yes' or 'No' if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Is used on Form Type: 10-K, 10-Q, 8-K, 20-F, 6-K, 10-K/A, 10-Q/A, 20-F/A, 6-K/A, N-CSR, N-Q, N-1A."
       }
      }
     },
     "auth_ref": [
      "r735"
     ]
    },
    "tris_EnvironmentalLossContingenciesRegulatoryItem": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "EnvironmentalLossContingenciesRegulatoryItem",
     "crdr": "debit",
     "presentation": [
      "http://www.tristategt.org/role/ASSETRETIREMENTANDENVIRONMENTALRECLAMATIONOBLIGATIONSNarrativeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Regulatory item recognized",
        "label": "Environmental Loss Contingencies, Regulatory Item",
        "documentation": "Environmental Loss Contingencies, Regulatory Item"
       }
      }
     },
     "auth_ref": []
    },
    "tris_EnvironmentalLossContingencyStatementOfFinancialPositionExtensibleEnumerationNotDisclosedFlag": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "EnvironmentalLossContingencyStatementOfFinancialPositionExtensibleEnumerationNotDisclosedFlag",
     "presentation": [
      "http://www.tristategt.org/role/ASSETRETIREMENTANDENVIRONMENTALRECLAMATIONOBLIGATIONSNarrativeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Environmental Loss Contingency, Statement Of Financial Position, Extensible Enumeration, Not Disclosed Flag",
        "label": "Environmental Loss Contingency, Statement Of Financial Position, Extensible Enumeration, Not Disclosed Flag",
        "documentation": "Environmental Loss Contingency, Statement Of Financial Position, Extensible Enumeration, Not Disclosed Flag"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_EnvironmentalRestorationCostsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "EnvironmentalRestorationCostsMember",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Environmental Obligation",
        "label": "Environmental Restoration Costs [Member]",
        "documentation": "Rate action of a regulator resulting in capitalization or accrual of costs associated with site remediation or other environmental exit costs that may occur on the sale, disposal, abandonment or decommissioning of a property."
       }
      }
     },
     "auth_ref": [
      "r174"
     ]
    },
    "us-gaap_EquityComponentDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "EquityComponentDomain",
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Equity Component [Domain]",
        "label": "Equity Component [Domain]",
        "documentation": "Components of equity are the parts of the total Equity balance including that which is allocated to common, preferred, treasury stock, retained earnings, etc."
       }
      }
     },
     "auth_ref": [
      "r16",
      "r207",
      "r230",
      "r231",
      "r232",
      "r249",
      "r250",
      "r251",
      "r253",
      "r258",
      "r260",
      "r263",
      "r299",
      "r300",
      "r348",
      "r452",
      "r453",
      "r454",
      "r472",
      "r473",
      "r490",
      "r491",
      "r492",
      "r493",
      "r494",
      "r495",
      "r496",
      "r501",
      "r503",
      "r504",
      "r505",
      "r506",
      "r507",
      "r524",
      "r563",
      "r564",
      "r565",
      "r581",
      "r635"
     ]
    },
    "srt_EquityMethodInvesteeNameDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2023",
     "localname": "EquityMethodInvesteeNameDomain",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESInvestmentsinOtherAssociationsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Investment, Name [Domain]",
        "label": "Investment, Name [Domain]",
        "documentation": "Name of investment including named security. Excludes entity that is consolidated."
       }
      }
     },
     "auth_ref": [
      "r295",
      "r296",
      "r297"
     ]
    },
    "us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueAmount": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "EquitySecuritiesWithoutReadilyDeterminableFairValueAmount",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": "tris_OtherAssetsAndInvestments",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESInvestmentsinOtherAssociationsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Investments in other associations",
        "label": "Equity Securities without Readily Determinable Fair Value, Amount",
        "documentation": "Amount of investment in equity security without readily determinable fair value."
       }
      }
     },
     "auth_ref": [
      "r293"
     ]
    },
    "us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount",
     "crdr": "debit",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESInvestmentsinOtherAssociationsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Impairment during the period",
        "label": "Equity Securities without Readily Determinable Fair Value, Impairment Loss, Annual Amount",
        "documentation": "Amount of impairment loss on investment in equity security without readily determinable fair value."
       }
      }
     },
     "auth_ref": [
      "r294"
     ]
    },
    "us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "EquitySecuritiesWithoutReadilyDeterminableFairValueLineItems",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESInvestmentsinOtherAssociationsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Equity Securities without Readily Determinable Fair Value [Line Items]",
        "label": "Equity Securities without Readily Determinable Fair Value [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": [
      "r776",
      "r777",
      "r778"
     ]
    },
    "us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "EquitySecuritiesWithoutReadilyDeterminableFairValueTable",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESInvestmentsinOtherAssociationsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Equity Securities without Readily Determinable Fair Value [Table]",
        "label": "Equity Securities without Readily Determinable Fair Value [Table]",
        "documentation": "Disclosure of information about investment in equity security without readily determinable fair value."
       }
      }
     },
     "auth_ref": [
      "r776",
      "r777",
      "r778"
     ]
    },
    "us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "EquitySecuritiesWithoutReadilyDeterminableFairValueTableTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Schedule of Investments in Other Associations",
        "label": "Equity Securities without Readily Determinable Fair Value [Table Text Block]",
        "documentation": "Tabular disclosure of investment in equity security without readily determinable fair value."
       }
      }
     },
     "auth_ref": [
      "r776",
      "r777",
      "r778"
     ]
    },
    "tris_EquityToCapitalizationRatio": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "EquityToCapitalizationRatio",
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTNarrativeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Equity to capitalization ratio (ECR) requirement (as a percent)",
        "label": "Equity To Capitalization Ratio",
        "documentation": "The Equity to Capitalization Ratio (ECR) requirement per the terms of long-term debt agreements."
       }
      }
     },
     "auth_ref": []
    },
    "tris_EscalanteGeneratingStationMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "EscalanteGeneratingStationMember",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Escalante Generating Station",
        "label": "Escalante Generating Station [Member]",
        "documentation": "Information pertaining to the Escalante Generating Station."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_EstimateOfFairValueFairValueDisclosureMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "EstimateOfFairValueFairValueDisclosureMember",
     "presentation": [
      "http://www.tristategt.org/role/FAIRVALUEDetails",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESMarketableSecuritiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Estimated Fair\u00a0Value",
        "label": "Estimate of Fair Value Measurement [Member]",
        "documentation": "Measured as an estimate of fair value."
       }
      }
     },
     "auth_ref": [
      "r335",
      "r499",
      "r681",
      "r682"
     ]
    },
    "us-gaap_ExchangeOfProductHeldForSaleForSimilarProductMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ExchangeOfProductHeldForSaleForSimilarProductMember",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESInterchangePowerDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Interchange Power",
        "label": "Exchange of Held-for-Sale Product for Similar Product [Member]",
        "documentation": "The exchange of a product held for sale in the ordinary course of business for similar property as an accommodation, to satisfy an immediate inventory need or otherwise reduce costs or facilitate ultimate sales."
       }
      }
     },
     "auth_ref": [
      "r713",
      "r870"
     ]
    },
    "tris_ExecutiveBenefitRestorationPlanMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "ExecutiveBenefitRestorationPlanMember",
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofComprehensiveIncome",
      "http://www.tristategt.org/role/ConsolidatedStatementsofEquity",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsActuarialGainsandLossesandAssumptionsDetails",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsPlansAmendmentsandObligationsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Executive Benefit Restoration Plan",
        "label": "Executive Benefit Restoration Plan [Member]",
        "documentation": "Executive Benefit Restoration Plan"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems",
     "presentation": [
      "http://www.tristategt.org/role/FAIRVALUEDetails",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESMarketableSecuritiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]",
        "label": "Fair Value, Balance Sheet Grouping, Financial Statement Captions [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": []
    },
    "us-gaap_FairValueByBalanceSheetGroupingTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "FairValueByBalanceSheetGroupingTable",
     "presentation": [
      "http://www.tristategt.org/role/FAIRVALUEDetails",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESMarketableSecuritiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Fair Value, by Balance Sheet Grouping [Table]",
        "label": "Fair Value, by Balance Sheet Grouping [Table]",
        "documentation": "Disclosure of information about the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities."
       }
      }
     },
     "auth_ref": [
      "r92",
      "r93",
      "r94"
     ]
    },
    "us-gaap_FairValueByBalanceSheetGroupingTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "FairValueByBalanceSheetGroupingTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/FAIRVALUETables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Schedule of Cost and Fair Values of Assets and Liabilities",
        "label": "Fair Value, by Balance Sheet Grouping [Table Text Block]",
        "documentation": "Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities."
       }
      }
     },
     "auth_ref": [
      "r92",
      "r93"
     ]
    },
    "us-gaap_FairValueByMeasurementBasisAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "FairValueByMeasurementBasisAxis",
     "presentation": [
      "http://www.tristategt.org/role/FAIRVALUEDetails",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESMarketableSecuritiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Measurement Basis [Axis]",
        "label": "Measurement Basis [Axis]",
        "documentation": "Information by measurement basis."
       }
      }
     },
     "auth_ref": [
      "r17",
      "r92",
      "r335",
      "r681",
      "r682"
     ]
    },
    "us-gaap_FairValueDisclosureItemAmountsDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "FairValueDisclosureItemAmountsDomain",
     "presentation": [
      "http://www.tristategt.org/role/FAIRVALUEDetails",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESMarketableSecuritiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Fair Value Measurement [Domain]",
        "label": "Fair Value Measurement [Domain]",
        "documentation": "Measurement basis, for example, but not limited to, reported value, fair value, portion at fair value, portion at other than fair value."
       }
      }
     },
     "auth_ref": [
      "r335",
      "r681",
      "r682"
     ]
    },
    "us-gaap_FairValueDisclosuresAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "FairValueDisclosuresAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Fair Value Disclosures [Abstract]",
        "label": "Fair Value Disclosures [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_FairValueMeasurementInputsDisclosureTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "FairValueMeasurementInputsDisclosureTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/FAIRVALUE"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "FAIR VALUE",
        "label": "Fair Value Measurement and Measurement Inputs, Recurring and Nonrecurring [Text Block]",
        "documentation": "The entire disclosure of the fair value measurement of assets and liabilities, which includes financial instruments measured at fair value that are classified in shareholders' equity, which may be measured on a recurring or nonrecurring basis."
       }
      }
     },
     "auth_ref": [
      "r154"
     ]
    },
    "tris_FirstMortgageBondsSeries2010ADueThrough2040Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "FirstMortgageBondsSeries2010ADueThrough2040Member",
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTSummaryDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "First Mortgage Bonds, Series\u00a02010A, 6.00% due 2040",
        "label": "First Mortgage Bonds Series 2010A Due Through 2040 [Member]",
        "documentation": "Information pertaining to First Mortgage Bonds, Series 2010A, due 2040."
       }
      }
     },
     "auth_ref": []
    },
    "tris_FirstMortgageBondsSeries2014BTranche1DueThrough2033Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "FirstMortgageBondsSeries2014BTranche1DueThrough2033Member",
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTSummaryDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "First Mortgage Obligations, Series\u00a02014B, Tranche\u00a01, 3.90%, due through 2033",
        "label": "First Mortgage Bonds Series 2014B Tranche 1 Due Through 2033 [Member]",
        "documentation": "Information pertaining to First Mortgage Bonds, Series 2014B, Tranche 1, due 2033."
       }
      }
     },
     "auth_ref": []
    },
    "tris_FirstMortgageBondsSeries2014BTranche2DueThrough2039Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "FirstMortgageBondsSeries2014BTranche2DueThrough2039Member",
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTSummaryDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "First Mortgage Obligations, Series\u00a02014B, Tranche\u00a02, 4.30%, due through 2039",
        "label": "First Mortgage Bonds Series 2014B Tranche 2 Due Through 2039 [Member]",
        "documentation": "Information pertaining to First Mortgage Bonds, Series 2014B, Tranche 2, due 2039."
       }
      }
     },
     "auth_ref": []
    },
    "tris_FirstMortgageBondsSeries2014BTranche3DueThrough2045Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "FirstMortgageBondsSeries2014BTranche3DueThrough2045Member",
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTSummaryDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "First Mortgage Obligations, Series\u00a02014B, Tranche\u00a03, 4.45%, due through 2045",
        "label": "First Mortgage Bonds Series 2014B Tranche 3 Due Through 2045 [Member]",
        "documentation": "Information pertaining to First Mortgage Bonds, Series 2014B, Tranche 3, due 2045."
       }
      }
     },
     "auth_ref": []
    },
    "tris_FirstMortgageBondsSeries2014E1DueThrough2024Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "FirstMortgageBondsSeries2014E1DueThrough2024Member",
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTAnnualMaturitiesDetails",
      "http://www.tristategt.org/role/LONGTERMDEBTNarrativeDetails",
      "http://www.tristategt.org/role/LONGTERMDEBTSummaryDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "First Mortgage Bonds, Series\u00a02014E-1, 3.70% due 2024",
        "label": "First Mortgage Bonds Series 2014E-1 Due Through 2024 [Member]",
        "documentation": "Information pertaining to First Mortgage Bonds, Series 2014 E-1, due 2024."
       }
      }
     },
     "auth_ref": []
    },
    "tris_FirstMortgageBondsSeries2014E2DueThrough2044Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "FirstMortgageBondsSeries2014E2DueThrough2044Member",
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTSummaryDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "First Mortgage Bonds, Series\u00a02014E-2, 4.70% due 2044",
        "label": "First Mortgage Bonds Series 2014E-2 Due Through 2044 [Member]",
        "documentation": "Information pertaining to First Mortgage Bonds, Series 2014 E-2, due 2044."
       }
      }
     },
     "auth_ref": []
    },
    "tris_FirstMortgageBondsSeries2016ADue2046Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "FirstMortgageBondsSeries2016ADue2046Member",
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTSummaryDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "First Mortgage Bonds, Series\u00a02016A, 4.25% due 2046",
        "label": "First Mortgage Bonds Series 2016A Due 2046 [Member]",
        "documentation": "Information pertaining to the First Mortgage Bonds , Series 2016A, due 2046."
       }
      }
     },
     "auth_ref": []
    },
    "tris_FirstMortgageObligationSeries2017ATranche1DueThrough2029Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "FirstMortgageObligationSeries2017ATranche1DueThrough2029Member",
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTSummaryDetails",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "First Mortgage Obligations, Series\u00a02017A, Tranche\u00a01, 3.34%, due through 2029",
        "label": "First Mortgage Obligation Series 2017A Tranche 1 Due Through 2029 [Member]",
        "documentation": "Information pertaining to First Mortgage Obligation, Series 2017A, Tranche 1, 3.34%, due 2029."
       }
      }
     },
     "auth_ref": []
    },
    "tris_FirstMortgageObligationsSeries2017ATranche2DueThrough2029Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "FirstMortgageObligationsSeries2017ATranche2DueThrough2029Member",
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTSummaryDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "First Mortgage Obligations, Series\u00a02017A, Tranche\u00a02, 3.39%, due through 2029",
        "label": "First Mortgage Obligations Series2017A Tranche 2 Due Through 2029 [Member]",
        "documentation": "Information pertaining to First Mortgage Obligation, Series 2017A, Tranche 2, 3.39%, due 2029."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_GeneralAndAdministrativeExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "GeneralAndAdministrativeExpense",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations": {
       "parentTag": "us-gaap_CostsAndExpenses",
       "weight": 1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "General and administrative",
        "label": "General and Administrative Expense",
        "documentation": "The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line."
       }
      }
     },
     "auth_ref": [
      "r123",
      "r618"
     ]
    },
    "us-gaap_GoodwillMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "GoodwillMember",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Goodwill",
        "label": "Goodwill [Member]",
        "documentation": "Asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized."
       }
      }
     },
     "auth_ref": []
    },
    "tris_HiringPeriodNumberOneMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "HiringPeriodNumberOneMember",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedContributionPlansDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Hired Prior To May 1, 2021",
        "label": "Hiring Period Number One [Member]",
        "documentation": "Hiring Period Number One"
       }
      }
     },
     "auth_ref": []
    },
    "tris_HiringPeriodNumberTwoMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "HiringPeriodNumberTwoMember",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedContributionPlansDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Hired After May 1, 2021",
        "label": "Hiring Period Number Two [Member]",
        "documentation": "Hiring Period Number Two"
       }
      }
     },
     "auth_ref": []
    },
    "tris_HolcombStationProjectMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "HolcombStationProjectMember",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Holcomb Expansion",
        "label": "Holcomb Station Project [Member]",
        "documentation": "Holcomb Station Project"
       }
      }
     },
     "auth_ref": []
    },
    "dei_IcfrAuditorAttestationFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "IcfrAuditorAttestationFlag",
     "presentation": [
      "http://www.tristategt.org/role/Cover"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "ICFR Auditor Attestation Flag",
        "label": "ICFR Auditor Attestation Flag"
       }
      }
     },
     "auth_ref": [
      "r729",
      "r730",
      "r731"
     ]
    },
    "us-gaap_ImpairedLongLivedAssetsHeldAndUsedAssetNameDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ImpairedLongLivedAssetsHeldAndUsedAssetNameDomain",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESSegmentsandImpairmentLossesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Impaired Long-Lived Assets Held and Used, Asset Name [Domain]",
        "label": "Impaired Long-Lived Assets Held and Used, Asset Name [Domain]",
        "documentation": "The name of the impaired assets to be held and used by the entity."
       }
      }
     },
     "auth_ref": [
      "r57"
     ]
    },
    "us-gaap_ImpairedLongLivedAssetsHeldAndUsedByTypeAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ImpairedLongLivedAssetsHeldAndUsedByTypeAxis",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESSegmentsandImpairmentLossesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Impaired Long-Lived Assets Held and Used by Type [Axis]",
        "label": "Impaired Long-Lived Assets Held and Used by Type [Axis]",
        "documentation": "This element represents the categories used to group impaired long-lived assets held and used by the type of asset."
       }
      }
     },
     "auth_ref": [
      "r57"
     ]
    },
    "us-gaap_ImpairedLongLivedAssetsHeldAndUsedLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ImpairedLongLivedAssetsHeldAndUsedLineItems",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESSegmentsandImpairmentLossesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Impairment of long-lived assets",
        "label": "Impaired Long-Lived Assets Held and Used [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": []
    },
    "us-gaap_ImpairmentOfLongLivedAssetsHeldForUse": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ImpairmentOfLongLivedAssetsHeldForUse",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESSegmentsandImpairmentLossesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Impairment loss and other closure costs",
        "terseLabel": "Impairment losses of long-lived assets",
        "label": "Impairment, Long-Lived Asset, Held-for-Use",
        "documentation": "The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale)."
       }
      }
     },
     "auth_ref": [
      "r10",
      "r56",
      "r136"
     ]
    },
    "us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "IMPAIRMENT EVALUATION",
        "label": "Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block]",
        "documentation": "Disclosure of accounting policy for recognizing and measuring the impairment of long-lived assets. An entity also may disclose its accounting policy for long-lived assets to be sold. This policy excludes goodwill and intangible assets."
       }
      }
     },
     "auth_ref": [
      "r2",
      "r137"
     ]
    },
    "us-gaap_IncomeStatementAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "IncomeStatementAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Income Statement [Abstract]",
        "label": "Income Statement [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_IncomeStatementLocationAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "IncomeStatementLocationAxis",
     "presentation": [
      "http://www.tristategt.org/role/CONTRACTASSETSANDCONTRACTLIABILITIESDetails",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESInterchangePowerDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Income Statement Location [Axis]",
        "label": "Income Statement Location [Axis]",
        "documentation": "Information by location in the income statement."
       }
      }
     },
     "auth_ref": [
      "r304",
      "r306",
      "r619"
     ]
    },
    "us-gaap_IncomeStatementLocationDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "IncomeStatementLocationDomain",
     "presentation": [
      "http://www.tristategt.org/role/CONTRACTASSETSANDCONTRACTLIABILITIESDetails",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESInterchangePowerDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Income Statement Location [Domain]",
        "label": "Income Statement Location [Domain]",
        "documentation": "Location in the income statement."
       }
      }
     },
     "auth_ref": [
      "r306",
      "r619"
     ]
    },
    "us-gaap_IncomeTaxAuthorityAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "IncomeTaxAuthorityAxis",
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESOperatingLossandTaxCreditCarryforwardsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Income Tax Authority [Axis]",
        "label": "Income Tax Authority [Axis]",
        "documentation": "Information by tax jurisdiction."
       }
      }
     },
     "auth_ref": [
      "r14"
     ]
    },
    "us-gaap_IncomeTaxAuthorityDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "IncomeTaxAuthorityDomain",
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESOperatingLossandTaxCreditCarryforwardsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Income Tax Authority [Domain]",
        "label": "Income Tax Authority [Domain]",
        "documentation": "Agency, division or body classification that levies income taxes, examines tax returns for compliance, or grants exemptions from or makes other decisions pertaining to income taxes."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_IncomeTaxDisclosureAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "IncomeTaxDisclosureAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Income Tax Disclosure [Abstract]",
        "label": "Income Tax Disclosure [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_IncomeTaxDisclosureTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "IncomeTaxDisclosureTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXES"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "INCOME TAXES",
        "label": "Income Tax Disclosure [Text Block]",
        "documentation": "The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information."
       }
      }
     },
     "auth_ref": [
      "r245",
      "r455",
      "r462",
      "r463",
      "r469",
      "r474",
      "r478",
      "r479",
      "r480",
      "r578"
     ]
    },
    "us-gaap_IncomeTaxExpenseBenefit": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "IncomeTaxExpenseBenefit",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations": {
       "parentTag": "us-gaap_ProfitLoss",
       "weight": -1.0,
       "order": 2.0
      },
      "http://www.tristategt.org/role/INCOMETAXESEffectiveIncomeTaxReconciliationDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations",
      "http://www.tristategt.org/role/INCOMETAXESEffectiveIncomeTaxReconciliationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Income tax expense (benefit)",
        "totalLabel": "Total deferred income tax expense (benefit)",
        "label": "Income Tax Expense (Benefit)",
        "documentation": "Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations."
       }
      }
     },
     "auth_ref": [
      "r179",
      "r191",
      "r259",
      "r260",
      "r270",
      "r460",
      "r475",
      "r555"
     ]
    },
    "us-gaap_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract",
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESEffectiveIncomeTaxReconciliationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Effective income tax reconciliation:",
        "label": "Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_IncomeTaxPolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "IncomeTaxPolicyTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "INCOME TAXES",
        "label": "Income Tax, Policy [Policy Text Block]",
        "documentation": "Disclosure of accounting policy for income taxes, which may include its accounting policies for recognizing and measuring deferred tax assets and liabilities and related valuation allowances, recognizing investment tax credits, operating loss carryforwards, tax credit carryforwards, and other carryforwards, methodologies for determining its effective income tax rate and the characterization of interest and penalties in the financial statements."
       }
      }
     },
     "auth_ref": [
      "r229",
      "r456",
      "r457",
      "r463",
      "r464",
      "r468",
      "r470",
      "r574"
     ]
    },
    "us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/INCOMETAXESEffectiveIncomeTaxReconciliationDetails": {
       "parentTag": "us-gaap_IncomeTaxExpenseBenefit",
       "weight": 1.0,
       "order": 7.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESEffectiveIncomeTaxReconciliationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Valuation Allowance",
        "label": "Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount",
        "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets."
       }
      }
     },
     "auth_ref": [
      "r863"
     ]
    },
    "us-gaap_IncomeTaxReconciliationDeductionsDividends": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "IncomeTaxReconciliationDeductionsDividends",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/INCOMETAXESEffectiveIncomeTaxReconciliationDetails": {
       "parentTag": "us-gaap_IncomeTaxExpenseBenefit",
       "weight": -1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESEffectiveIncomeTaxReconciliationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedTerseLabel": "Patronage exclusion",
        "label": "Effective Income Tax Rate Reconciliation, Deduction, Dividends, Amount",
        "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to deduction for dividend."
       }
      }
     },
     "auth_ref": [
      "r863"
     ]
    },
    "us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/INCOMETAXESEffectiveIncomeTaxReconciliationDetails": {
       "parentTag": "us-gaap_IncomeTaxExpenseBenefit",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESEffectiveIncomeTaxReconciliationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Pretax GAAP income at Federal statutory rate",
        "label": "Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount",
        "documentation": "The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations."
       }
      }
     },
     "auth_ref": [
      "r461"
     ]
    },
    "us-gaap_IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/INCOMETAXESEffectiveIncomeTaxReconciliationDetails": {
       "parentTag": "us-gaap_IncomeTaxExpenseBenefit",
       "weight": 1.0,
       "order": 10.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESEffectiveIncomeTaxReconciliationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Impairment",
        "label": "Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Amount",
        "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible impairment loss."
       }
      }
     },
     "auth_ref": [
      "r863"
     ]
    },
    "us-gaap_IncomeTaxReconciliationNondeductibleExpenseLeases": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "IncomeTaxReconciliationNondeductibleExpenseLeases",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/INCOMETAXESEffectiveIncomeTaxReconciliationDetails": {
       "parentTag": "us-gaap_IncomeTaxExpenseBenefit",
       "weight": 1.0,
       "order": 6.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESEffectiveIncomeTaxReconciliationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Operating liabilities, net of right-of-use assets",
        "label": "Effective Income Tax Rate Reconciliation, Nondeductible Expense, Leases, Amount",
        "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible lease expense."
       }
      }
     },
     "auth_ref": [
      "r863"
     ]
    },
    "us-gaap_IncomeTaxReconciliationOtherAdjustments": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "IncomeTaxReconciliationOtherAdjustments",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/INCOMETAXESEffectiveIncomeTaxReconciliationDetails": {
       "parentTag": "us-gaap_IncomeTaxExpenseBenefit",
       "weight": 1.0,
       "order": 9.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESEffectiveIncomeTaxReconciliationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other items, net",
        "label": "Effective Income Tax Rate Reconciliation, Other Adjustments, Amount",
        "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments."
       }
      }
     },
     "auth_ref": [
      "r863"
     ]
    },
    "us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "IncomeTaxReconciliationStateAndLocalIncomeTaxes",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/INCOMETAXESEffectiveIncomeTaxReconciliationDetails": {
       "parentTag": "us-gaap_IncomeTaxExpenseBenefit",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESEffectiveIncomeTaxReconciliationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Pretax GAAP income at State statutory rate, net of federal benefit",
        "label": "Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount",
        "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to state and local income tax expense (benefit)."
       }
      }
     },
     "auth_ref": [
      "r863"
     ]
    },
    "us-gaap_IncomeTaxesPaidNet": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "IncomeTaxesPaidNet",
     "crdr": "credit",
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Cash paid for income taxes",
        "label": "Income Taxes Paid, Net",
        "documentation": "The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes."
       }
      }
     },
     "auth_ref": [
      "r44"
     ]
    },
    "us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "IncreaseDecreaseInAccountsPayableAndAccruedLiabilities",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0,
       "order": 13.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Accounts payable and accrued expenses",
        "label": "Increase (Decrease) in Accounts Payable and Accrued Liabilities",
        "documentation": "The increase (decrease) during the reporting period in the amounts payable to vendors for goods and services received and the amount of obligations and expenses incurred but not paid."
       }
      }
     },
     "auth_ref": [
      "r9"
     ]
    },
    "tris_IncreaseDecreaseInCapitalExpendituresIncludedInAccountsPayable": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "IncreaseDecreaseInCapitalExpendituresIncludedInAccountsPayable",
     "crdr": "debit",
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Change in plant expenditures included in accounts payable",
        "label": "Increase (Decrease) In Capital Expenditures Included In Accounts Payable",
        "documentation": "Increase (decrease) in accounts payable attributable to capital expenditures incurred but not yet paid at end of period."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_IncreaseDecreaseInCoalInventories": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "IncreaseDecreaseInCoalInventories",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0,
       "order": 11.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Coal inventory",
        "label": "Increase (Decrease) in Coal Inventories",
        "documentation": "The increase (decrease) during the reporting period in the value of coal held in inventory."
       }
      }
     },
     "auth_ref": [
      "r9"
     ]
    },
    "us-gaap_IncreaseDecreaseInDeferredChargesInvesting": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "IncreaseDecreaseInDeferredChargesInvesting",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": -1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Changes in deferred charges",
        "label": "Increase (Decrease) in Deferred Charges, Investing",
        "documentation": "The increase (decrease) in noncurrent deferred charges, classified as investing activities."
       }
      }
     },
     "auth_ref": [
      "r128"
     ]
    },
    "tris_IncreaseDecreaseInEnvironmentalRemediationObligations": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "IncreaseDecreaseInEnvironmentalRemediationObligations",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0,
       "order": 16.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "New Horizon Mine environmental obligation",
        "label": "Increase (Decrease) In Environmental Remediation Obligations",
        "documentation": "Increase (Decrease) In Environmental Remediation Obligations"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_IncreaseDecreaseInInterestPayableNet": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "IncreaseDecreaseInInterestPayableNet",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0,
       "order": 14.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Accrued interest",
        "label": "Increase (Decrease) in Interest Payable, Net",
        "documentation": "The increase (decrease) during the reporting period in interest payable, which represents the amount owed to note holders, bond holders, and other parties for interest earned on loans or credit extended to the reporting entity."
       }
      }
     },
     "auth_ref": [
      "r9"
     ]
    },
    "us-gaap_IncreaseDecreaseInMaterialsAndSupplies": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "IncreaseDecreaseInMaterialsAndSupplies",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0,
       "order": 12.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Materials and supplies",
        "label": "Increase (Decrease) in Materials and Supplies",
        "documentation": "The increase (decrease) during the period in the carrying amount of capitalized costs of materials, supplies, or both, which are not included in inventory."
       }
      }
     },
     "auth_ref": [
      "r765"
     ]
    },
    "us-gaap_IncreaseDecreaseInOperatingCapitalAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "IncreaseDecreaseInOperatingCapitalAbstract",
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Changes in operating assets and liabilities:",
        "label": "Increase (Decrease) in Operating Capital [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_IncreaseDecreaseInPropertyAndOtherTaxesPayable": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "IncreaseDecreaseInPropertyAndOtherTaxesPayable",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0,
       "order": 15.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Accrued property taxes",
        "label": "Increase (Decrease) in Property and Other Taxes Payable",
        "documentation": "The increase (decrease) during the period in the amount of cash payments due to taxing authorities for non-income-related taxes."
       }
      }
     },
     "auth_ref": [
      "r9"
     ]
    },
    "us-gaap_IncreaseDecreaseInReceivables": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "IncreaseDecreaseInReceivables",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0,
       "order": 10.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Accounts receivable",
        "label": "Increase (Decrease) in Receivables",
        "documentation": "The increase (decrease) during the reporting period in the total amount due within one year (or one operating cycle) from all parties, associated with underlying transactions that are classified as operating activities."
       }
      }
     },
     "auth_ref": [
      "r9"
     ]
    },
    "tris_IncreaseDecreaseInRegulatoryAssetsDeferredImpairmentLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "IncreaseDecreaseInRegulatoryAssetsDeferredImpairmentLoss",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0,
       "order": 6.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedTerseLabel": "Deferred impairment loss and other closure costs",
        "label": "Increase (Decrease) In Regulatory Assets, Deferred Impairment Loss",
        "documentation": "The increase (decrease) during the reporting period in the value of regulatory assets that are created by deferral of impairment losses."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_IncreaseDecreaseInStockholdersEquityRollForward": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "IncreaseDecreaseInStockholdersEquityRollForward",
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Increase (Decrease) in Stockholders' Equity [Roll Forward]",
        "label": "Increase (Decrease) in Stockholders' Equity [Roll Forward]",
        "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_InterestExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "InterestExpense",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Interest",
        "label": "Interest Expense",
        "documentation": "Amount of the cost of borrowed funds accounted for as interest expense."
       }
      }
     },
     "auth_ref": [
      "r99",
      "r168",
      "r233",
      "r268",
      "r508",
      "r620",
      "r724",
      "r883"
     ]
    },
    "us-gaap_InterestExpenseAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "InterestExpenseAbstract",
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Interest expense",
        "label": "Interest Expense [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_InterestExpenseDebt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "InterestExpenseDebt",
     "crdr": "debit",
     "presentation": [
      "http://www.tristategt.org/role/VARIABLEINTERESTENTITIESDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Interest",
        "label": "Interest Expense, Debt",
        "documentation": "Amount of the cost of borrowed funds accounted for as interest expense for debt."
       }
      }
     },
     "auth_ref": [
      "r126",
      "r340",
      "r346",
      "r683",
      "r684"
     ]
    },
    "tris_InterestExpenseNetOfCapitalizedInterest": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "InterestExpenseNetOfCapitalizedInterest",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations": {
       "parentTag": "us-gaap_ProfitLoss",
       "weight": -1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Interest expense, net of amounts capitalized",
        "label": "Interest Expense, Net Of Capitalized Interest",
        "documentation": "Interest Expense, Net Of Capitalized Interest"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_InterestInUnincorporatedJointVenturesOrPartnershipsPolicy": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "InterestInUnincorporatedJointVenturesOrPartnershipsPolicy",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "JOINTLY OWNED FACILITIES",
        "label": "Interest in Unincorporated Joint Ventures or Partnerships, Policy [Policy Text Block]",
        "documentation": "Disclosure of accounting policy for interest in an unincorporated joint venture or partnership that is included in the enterprise's financial statements using the proportionate consolidation method of accounting."
       }
      }
     },
     "auth_ref": [
      "r1"
     ]
    },
    "us-gaap_InterestPaidNet": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "InterestPaidNet",
     "crdr": "credit",
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Cash paid for interest",
        "label": "Interest Paid, Excluding Capitalized Interest, Operating Activities",
        "documentation": "Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount."
       }
      }
     },
     "auth_ref": [
      "r239",
      "r242",
      "r243"
     ]
    },
    "us-gaap_InterestPayableCurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "InterestPayableCurrent",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0,
       "order": 6.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition",
      "http://www.tristategt.org/role/VARIABLEINTERESTENTITIESDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Accrued interest",
        "label": "Interest Payable, Current",
        "documentation": "Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer)."
       }
      }
     },
     "auth_ref": [
      "r26"
     ]
    },
    "tris_InterestRateSwapsRealizedGainMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "InterestRateSwapsRealizedGainMember",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Interest Rate Swaps, Realized Gain",
        "label": "Interest Rate Swaps Realized Gain [Member]",
        "documentation": "Rate action of regulator resulting in capitalization or accrual of realized gain on interest rate swap contracts."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_InventoryAdjustments": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "InventoryAdjustments",
     "crdr": "credit",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESInventoriesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "LIFO inventory liquidation",
        "label": "Inventory Adjustments",
        "documentation": "Amount of inventory reserves for last-in first-out (LIFO) and other inventory valuation methods."
       }
      }
     },
     "auth_ref": [
      "r55",
      "r759"
     ]
    },
    "us-gaap_InventoryCurrentTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "InventoryCurrentTable",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESInventoriesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Inventory, Current [Table]",
        "label": "Inventory, Current [Table]",
        "documentation": "Disclosure of information about inventory expected to be sold or consumed within one year or operating cycle, if longer."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_InventoryLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "InventoryLineItems",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESInventoriesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Inventory [Line Items]",
        "label": "Inventory [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": []
    },
    "us-gaap_InventoryPolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "InventoryPolicyTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "INVENTORIES",
        "label": "Inventory, Policy [Policy Text Block]",
        "documentation": "Disclosure of inventory accounting policy for inventory classes, including, but not limited to, basis for determining inventory amounts, methods by which amounts are added and removed from inventory classes, loss recognition on impairment of inventories, and situations in which inventories are stated above cost."
       }
      }
     },
     "auth_ref": [
      "r180",
      "r212",
      "r219",
      "r301",
      "r302",
      "r303",
      "r534",
      "r674"
     ]
    },
    "us-gaap_InvestmentIncomeInterest": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "InvestmentIncomeInterest",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations": {
       "parentTag": "us-gaap_NonoperatingIncomeExpense",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Interest",
        "label": "Investment Income, Interest",
        "documentation": "Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities."
       }
      }
     },
     "auth_ref": [
      "r124",
      "r267"
     ]
    },
    "us-gaap_InvestmentPolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "InvestmentPolicyTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "INVESTMENTS IN OTHER ASSOCIATIONS",
        "label": "Investment, Policy [Policy Text Block]",
        "documentation": "Disclosure of accounting policy for investment in financial asset."
       }
      }
     },
     "auth_ref": [
      "r554",
      "r570",
      "r571",
      "r572",
      "r573",
      "r641",
      "r642"
     ]
    },
    "us-gaap_InvestmentTypeAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "InvestmentTypeAxis",
     "presentation": [
      "http://www.tristategt.org/role/FAIRVALUEDetails",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESMarketableSecuritiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Investment Type [Axis]",
        "label": "Investment Type [Axis]",
        "documentation": "Information by type of investments."
       }
      }
     },
     "auth_ref": [
      "r583",
      "r584",
      "r585",
      "r586",
      "r587",
      "r638",
      "r640",
      "r644",
      "r647",
      "r648",
      "r649",
      "r650",
      "r652",
      "r653",
      "r654",
      "r655",
      "r656",
      "r718"
     ]
    },
    "us-gaap_InvestmentTypeCategorizationMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "InvestmentTypeCategorizationMember",
     "presentation": [
      "http://www.tristategt.org/role/FAIRVALUEDetails",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESMarketableSecuritiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Investments [Domain]",
        "label": "Investments [Domain]",
        "documentation": "Asset obtained to generate income or appreciate in value."
       }
      }
     },
     "auth_ref": [
      "r583",
      "r584",
      "r585",
      "r586",
      "r587",
      "r638",
      "r640",
      "r644",
      "r647",
      "r648",
      "r649",
      "r650",
      "r652",
      "r653",
      "r654",
      "r655",
      "r656",
      "r718"
     ]
    },
    "tris_InvestmentsInAndAdvancesToCoalMines": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "InvestmentsInAndAdvancesToCoalMines",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": "tris_OtherAssetsAndInvestments",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Investments in and advances to coal mines",
        "label": "Investments In And Advances To Coal Mines",
        "documentation": "Total investments in and advances to coal mines. These may include (A) an entity in which the entity has significant influence, but does not have control, (B) subsidiaries that are not required to be consolidated and are accounted for using the equity and or cost method, and (C) an entity in which the reporting entity shares control of the entity with another party or group. Includes long-term advances receivable from a party that is affiliated with the reporting entity by means of direct or indirect ownership."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_JointlyOwnedUtilityPlantAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "JointlyOwnedUtilityPlantAxis",
     "presentation": [
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTJointlyOwnedFacilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Jointly Owned Utility Plant [Axis]",
        "label": "Jointly Owned Utility Plant [Axis]",
        "documentation": "Information by type of jointly owned utility plant."
       }
      }
     },
     "auth_ref": [
      "r172"
     ]
    },
    "us-gaap_JointlyOwnedUtilityPlantDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "JointlyOwnedUtilityPlantDomain",
     "presentation": [
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTJointlyOwnedFacilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Jointly Owned Utility Plant [Domain]",
        "label": "Jointly Owned Utility Plant [Domain]",
        "documentation": "Types of a jointly owned utility plant."
       }
      }
     },
     "auth_ref": [
      "r107"
     ]
    },
    "us-gaap_JointlyOwnedUtilityPlantGrossOwnershipAmountOfPlantInService": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "JointlyOwnedUtilityPlantGrossOwnershipAmountOfPlantInService",
     "crdr": "debit",
     "presentation": [
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTJointlyOwnedFacilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Electric Plant\u00a0in Service",
        "label": "Jointly Owned Utility Plant, Gross Ownership Amount of Plant in Service",
        "documentation": "The period end amount owned by the reporting utility of a jointly owned utility plant in service."
       }
      }
     },
     "auth_ref": [
      "r172"
     ]
    },
    "us-gaap_JointlyOwnedUtilityPlantInterestsLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "JointlyOwnedUtilityPlantInterestsLineItems",
     "presentation": [
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTJointlyOwnedFacilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Jointly Owned Utility Plant Interests [Line Items]",
        "label": "Jointly Owned Utility Plant Interests [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": []
    },
    "us-gaap_JointlyOwnedUtilityPlantInterestsTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "JointlyOwnedUtilityPlantInterestsTable",
     "presentation": [
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTJointlyOwnedFacilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Jointly Owned Utility Plant Interests [Table]",
        "label": "Jointly Owned Utility Plant Interests [Table]",
        "documentation": "Detailed information about jointly owned utility plants."
       }
      }
     },
     "auth_ref": [
      "r172"
     ]
    },
    "tris_JointlyOwnedUtilityPlantNumber": {
     "xbrltype": "integerItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "JointlyOwnedUtilityPlantNumber",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESJointlyOwnedFacilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Number of jointly owned facilities",
        "label": "Jointly Owned Utility Plant, Number",
        "documentation": "Number of facilities jointly owned by the registrant."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_JointlyOwnedUtilityPlantOwnershipAmountOfConstructionWorkInProgress": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "JointlyOwnedUtilityPlantOwnershipAmountOfConstructionWorkInProgress",
     "crdr": "debit",
     "presentation": [
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTJointlyOwnedFacilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Construction Work\u00a0In Progress",
        "label": "Jointly Owned Utility Plant, Ownership Amount of Construction Work in Progress",
        "documentation": "The period end amount of construction work in progress at a jointly owned electricity generation plant."
       }
      }
     },
     "auth_ref": [
      "r172"
     ]
    },
    "us-gaap_JointlyOwnedUtilityPlantOwnershipAmountOfPlantAccumulatedDepreciation": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "JointlyOwnedUtilityPlantOwnershipAmountOfPlantAccumulatedDepreciation",
     "crdr": "credit",
     "presentation": [
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTJointlyOwnedFacilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Accumulated Depreciation",
        "label": "Jointly Owned Utility Plant, Ownership Amount of Plant Accumulated Depreciation",
        "documentation": "The period end amount of accumulated depreciation in a jointly owned electricity generation plant."
       }
      }
     },
     "auth_ref": [
      "r172"
     ]
    },
    "us-gaap_JointlyOwnedUtilityPlantProportionateOwnershipShare": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "JointlyOwnedUtilityPlantProportionateOwnershipShare",
     "presentation": [
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTJointlyOwnedFacilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Tri-State share (as a percent)",
        "label": "Jointly Owned Utility Plant, Proportionate Ownership Share",
        "documentation": "The proportionate share of interest (percent) in a jointly owned utility plant."
       }
      }
     },
     "auth_ref": [
      "r172"
     ]
    },
    "us-gaap_LeaseCostTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "LeaseCostTableTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/LEASESTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Schedule of Lease Components",
        "label": "Lease, Cost [Table Text Block]",
        "documentation": "Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income."
       }
      }
     },
     "auth_ref": [
      "r868"
     ]
    },
    "us-gaap_LeasesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "LeasesAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Leases [Abstract]",
        "label": "Leases [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "dei_LegalEntityAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "LegalEntityAxis",
     "presentation": [
      "http://www.tristategt.org/role/VARIABLEINTERESTENTITIESDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Legal Entity [Axis]",
        "label": "Legal Entity [Axis]",
        "documentation": "The set of legal entities associated with a report."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LesseeLeasesPolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "LesseeLeasesPolicyTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "LEASES",
        "label": "Lessee, Leases [Policy Text Block]",
        "documentation": "Disclosure of accounting policy for leasing arrangement entered into by lessee."
       }
      }
     },
     "auth_ref": [
      "r515"
     ]
    },
    "us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "LesseeOperatingLeaseLiabilityMaturityTableTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/LEASESTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Schedule of Expected Minimum Lease Commitments under Operating Leases",
        "label": "Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]",
        "documentation": "Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position."
       }
      }
     },
     "auth_ref": [
      "r869"
     ]
    },
    "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "LesseeOperatingLeaseLiabilityPaymentsDue",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/LEASESFutureMinimumLeaseCommitmentsDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      },
      "http://www.tristategt.org/role/LEASESFutureMinimumLeaseCommitmentsDetails_1": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/LEASESFutureMinimumLeaseCommitmentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Total lease payments",
        "label": "Lessee, Operating Lease, Liability, to be Paid",
        "documentation": "Amount of lessee's undiscounted obligation for lease payment for operating lease."
       }
      }
     },
     "auth_ref": [
      "r518"
     ]
    },
    "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/LEASESFutureMinimumLeaseCommitmentsDetails": {
       "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/LEASESFutureMinimumLeaseCommitmentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Thereafter",
        "label": "Lessee, Operating Lease, Liability, to be Paid, after Year Five",
        "documentation": "Amount of lessee's undiscounted obligation for lease payment for operating lease due after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)."
       }
      }
     },
     "auth_ref": [
      "r518"
     ]
    },
    "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/LEASESFutureMinimumLeaseCommitmentsDetails": {
       "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
       "weight": 1.0,
       "order": 6.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/LEASESFutureMinimumLeaseCommitmentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Year 1",
        "label": "Lessee, Operating Lease, Liability, to be Paid, Year One",
        "documentation": "Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)."
       }
      }
     },
     "auth_ref": [
      "r518"
     ]
    },
    "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearFive",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/LEASESFutureMinimumLeaseCommitmentsDetails": {
       "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
       "weight": 1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/LEASESFutureMinimumLeaseCommitmentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Year 5",
        "label": "Lessee, Operating Lease, Liability, to be Paid, Year Five",
        "documentation": "Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)."
       }
      }
     },
     "auth_ref": [
      "r518"
     ]
    },
    "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearFour",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/LEASESFutureMinimumLeaseCommitmentsDetails": {
       "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/LEASESFutureMinimumLeaseCommitmentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Year 4",
        "label": "Lessee, Operating Lease, Liability, to be Paid, Year Four",
        "documentation": "Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)."
       }
      }
     },
     "auth_ref": [
      "r518"
     ]
    },
    "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearThree",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/LEASESFutureMinimumLeaseCommitmentsDetails": {
       "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/LEASESFutureMinimumLeaseCommitmentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Year 3",
        "label": "Lessee, Operating Lease, Liability, to be Paid, Year Three",
        "documentation": "Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)."
       }
      }
     },
     "auth_ref": [
      "r518"
     ]
    },
    "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearTwo",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/LEASESFutureMinimumLeaseCommitmentsDetails": {
       "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/LEASESFutureMinimumLeaseCommitmentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Year 2",
        "label": "Lessee, Operating Lease, Liability, to be Paid, Year Two",
        "documentation": "Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)."
       }
      }
     },
     "auth_ref": [
      "r518"
     ]
    },
    "us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "LesseeOperatingLeaseLiabilityUndiscountedExcessAmount",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/LEASESFutureMinimumLeaseCommitmentsDetails_1": {
       "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/LEASESFutureMinimumLeaseCommitmentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedTerseLabel": "Less imputed interest",
        "label": "Lessee, Operating Lease, Liability, Undiscounted Excess Amount",
        "documentation": "Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease."
       }
      }
     },
     "auth_ref": [
      "r518"
     ]
    },
    "us-gaap_LesseeOperatingLeasesTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "LesseeOperatingLeasesTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/LEASES"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "LEASES",
        "label": "Lessee, Operating Leases [Text Block]",
        "documentation": "The entire disclosure for operating leases of lessee. Includes, but is not limited to, description of operating lease and maturity analysis of operating lease liability."
       }
      }
     },
     "auth_ref": [
      "r511"
     ]
    },
    "us-gaap_LiabilitiesAndStockholdersEquity": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "LiabilitiesAndStockholdersEquity",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Total equity and liabilities",
        "label": "Liabilities and Equity",
        "documentation": "Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any."
       }
      }
     },
     "auth_ref": [
      "r117",
      "r166",
      "r546",
      "r715",
      "r768",
      "r779",
      "r866"
     ]
    },
    "us-gaap_LiabilitiesAndStockholdersEquityAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "LiabilitiesAndStockholdersEquityAbstract",
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "EQUITY AND LIABILITIES",
        "label": "Liabilities and Equity [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LiabilitiesCurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "LiabilitiesCurrent",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Total current liabilities",
        "label": "Liabilities, Current",
        "documentation": "Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer."
       }
      }
     },
     "auth_ref": [
      "r27",
      "r211",
      "r244",
      "r298",
      "r314",
      "r315",
      "r317",
      "r318",
      "r319",
      "r321",
      "r323",
      "r325",
      "r326",
      "r485",
      "r488",
      "r489",
      "r500",
      "r715",
      "r791",
      "r871",
      "r872"
     ]
    },
    "us-gaap_LiabilitiesCurrentAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "LiabilitiesCurrentAbstract",
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Current liabilities",
        "label": "Liabilities, Current [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LiabilitiesNoncurrentAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "LiabilitiesNoncurrentAbstract",
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Deferred credits and other liabilities",
        "label": "Liabilities, Noncurrent [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest",
     "presentation": [
      "http://www.tristategt.org/role/VARIABLEINTERESTENTITIESDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "General partner interest (as a percent)",
        "label": "Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest",
        "documentation": "Percentage investment held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP)."
       }
      }
     },
     "auth_ref": [
      "r45"
     ]
    },
    "us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "LineOfCreditFacilityMaximumBorrowingCapacity",
     "crdr": "credit",
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTNarrativeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Maximum borrowing capacity",
        "label": "Line of Credit Facility, Maximum Borrowing Capacity",
        "documentation": "Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility."
       }
      }
     },
     "auth_ref": [
      "r24"
     ]
    },
    "us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "LineOfCreditFacilityRemainingBorrowingCapacity",
     "crdr": "credit",
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTNarrativeDetails",
      "http://www.tristategt.org/role/SHORTTERMBORROWINGSDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Available borrowing capacity",
        "label": "Line of Credit Facility, Remaining Borrowing Capacity",
        "documentation": "Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding)."
       }
      }
     },
     "auth_ref": [
      "r24"
     ]
    },
    "us-gaap_LineOfCreditMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "LineOfCreditMember",
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTNarrativeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Line of Credit",
        "label": "Line of Credit [Member]",
        "documentation": "A contractual arrangement with a lender under which borrowings can be made up to a specific amount at any point in time, and under which borrowings outstanding may be either short-term or long-term, depending upon the particulars."
       }
      }
     },
     "auth_ref": []
    },
    "dei_LocalPhoneNumber": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2023",
     "localname": "LocalPhoneNumber",
     "presentation": [
      "http://www.tristategt.org/role/Cover"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Local Phone Number",
        "label": "Local Phone Number",
        "documentation": "Local phone number for entity."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LongTermContractForPurchaseOfElectricPowerAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "LongTermContractForPurchaseOfElectricPowerAxis",
     "presentation": [
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESElectricPowerPurchaseAgreementsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Long-term Contract for Purchase of Electric Power [Axis]",
        "label": "Long-Term Contract for Purchase of Electric Power [Axis]",
        "documentation": "Information by contract related to purchases of electric power."
       }
      }
     },
     "auth_ref": [
      "r190"
     ]
    },
    "us-gaap_LongTermContractForPurchaseOfElectricPowerDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "LongTermContractForPurchaseOfElectricPowerDomain",
     "presentation": [
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESElectricPowerPurchaseAgreementsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Long-term Contract for Purchase of Electric Power [Domain]",
        "label": "Long-Term Contract for Purchase of Electric Power [Domain]",
        "documentation": "Name of long-term contract for purchase of electric power."
       }
      }
     },
     "auth_ref": [
      "r190"
     ]
    },
    "us-gaap_LongTermContractForPurchaseOfElectricPowerLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "LongTermContractForPurchaseOfElectricPowerLineItems",
     "presentation": [
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESElectricPowerPurchaseAgreementsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Long-Term Contract for Purchase of Electric Power [Line Items]",
        "label": "Long-Term Contract for Purchase of Electric Power [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": [
      "r190"
     ]
    },
    "tris_LongTermContractForPurchaseOfElectricPowerMegawattsPurchased": {
     "xbrltype": "powerItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "LongTermContractForPurchaseOfElectricPowerMegawattsPurchased",
     "presentation": [
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESElectricPowerPurchaseAgreementsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Megawatts purchased",
        "label": "Long-Term Contract For Purchase Of Electric Power, Megawatts Purchased",
        "documentation": "Megawatts purchased under power purchase agreements."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LongTermContractWithCustomerMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "LongTermContractWithCustomerMember",
     "presentation": [
      "http://www.tristategt.org/role/REVENUESummaryDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Long-term contracts",
        "label": "Long-Term Contract with Customer [Member]",
        "documentation": "Contract with customer in which duration is classified as long-term."
       }
      }
     },
     "auth_ref": [
      "r690"
     ]
    },
    "us-gaap_LongTermContractsForPurchaseOfElectricPowerTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "LongTermContractsForPurchaseOfElectricPowerTable",
     "presentation": [
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESElectricPowerPurchaseAgreementsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Long-term Contracts for Purchase of Electric Power [Table]",
        "label": "Long-Term Contracts for Purchase of Electric Power [Table]",
        "documentation": "Presents detailed element information concerning the terms and significance of long term contracts to purchase power."
       }
      }
     },
     "auth_ref": [
      "r190"
     ]
    },
    "us-gaap_LongTermDebt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "LongTermDebt",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/LONGTERMDEBTSummaryDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      },
      "http://www.tristategt.org/role/LONGTERMDEBTAnnualMaturitiesDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTAnnualMaturitiesDetails",
      "http://www.tristategt.org/role/LONGTERMDEBTSummaryDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Total debt adjusted for debt issuance costs, discounts and premiums",
        "label": "Long-Term Debt",
        "documentation": "Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation."
       }
      }
     },
     "auth_ref": [
      "r20",
      "r164",
      "r334",
      "r345",
      "r681",
      "r682",
      "r880"
     ]
    },
    "us-gaap_LongTermDebtCurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "LongTermDebtCurrent",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0,
       "order": 8.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition",
      "http://www.tristategt.org/role/LONGTERMDEBTSummaryDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Current maturities of long-term debt",
        "negatedLabel": "Less current maturities",
        "label": "Long-Term Debt, Current Maturities",
        "documentation": "Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as current. Excludes lease obligation."
       }
      }
     },
     "auth_ref": [
      "r216"
     ]
    },
    "us-gaap_LongTermDebtFairValue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "LongTermDebtFairValue",
     "crdr": "credit",
     "presentation": [
      "http://www.tristategt.org/role/FAIRVALUEDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Total long-term debt",
        "label": "Long-Term Debt, Fair Value",
        "documentation": "The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/LONGTERMDEBTAnnualMaturitiesDetails": {
       "parentTag": "us-gaap_LongTermDebt",
       "weight": 1.0,
       "order": 6.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTAnnualMaturitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Thereafter",
        "label": "Long-Term Debt, Maturity, after Year Five",
        "documentation": "Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)."
       }
      }
     },
     "auth_ref": [
      "r12",
      "r248",
      "r797"
     ]
    },
    "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/LONGTERMDEBTAnnualMaturitiesDetails": {
       "parentTag": "us-gaap_LongTermDebt",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTAnnualMaturitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "2024",
        "label": "Long-Term Debt, Maturity, Year One",
        "documentation": "Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)."
       }
      }
     },
     "auth_ref": [
      "r12",
      "r248",
      "r338"
     ]
    },
    "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/LONGTERMDEBTAnnualMaturitiesDetails": {
       "parentTag": "us-gaap_LongTermDebt",
       "weight": 1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTAnnualMaturitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "2028",
        "label": "Long-Term Debt, Maturity, Year Five",
        "documentation": "Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)."
       }
      }
     },
     "auth_ref": [
      "r12",
      "r248",
      "r338"
     ]
    },
    "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/LONGTERMDEBTAnnualMaturitiesDetails": {
       "parentTag": "us-gaap_LongTermDebt",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTAnnualMaturitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "2027",
        "label": "Long-Term Debt, Maturity, Year Four",
        "documentation": "Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)."
       }
      }
     },
     "auth_ref": [
      "r12",
      "r248",
      "r338"
     ]
    },
    "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/LONGTERMDEBTAnnualMaturitiesDetails": {
       "parentTag": "us-gaap_LongTermDebt",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTAnnualMaturitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "2026",
        "label": "Long-Term Debt, Maturity, Year Three",
        "documentation": "Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)."
       }
      }
     },
     "auth_ref": [
      "r12",
      "r248",
      "r338"
     ]
    },
    "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/LONGTERMDEBTAnnualMaturitiesDetails": {
       "parentTag": "us-gaap_LongTermDebt",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTAnnualMaturitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "2025",
        "label": "Long-Term Debt, Maturity, Year Two",
        "documentation": "Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)."
       }
      }
     },
     "auth_ref": [
      "r12",
      "r248",
      "r338"
     ]
    },
    "us-gaap_LongTermDebtNoncurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "LongTermDebtNoncurrent",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": "tris_CapitalizationLongTermDebtNoncurrentAndEquity",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition",
      "http://www.tristategt.org/role/LONGTERMDEBTNarrativeDetails",
      "http://www.tristategt.org/role/LONGTERMDEBTSummaryDetails",
      "http://www.tristategt.org/role/VARIABLEINTERESTENTITIESDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Long-term debt",
        "label": "Long-Term Debt, Excluding Current Maturities",
        "documentation": "Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. Excludes lease obligation."
       }
      }
     },
     "auth_ref": [
      "r217"
     ]
    },
    "us-gaap_LongTermDebtTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "LongTermDebtTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBT"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "LONG-TERM DEBT",
        "label": "Long-Term Debt [Text Block]",
        "documentation": "The entire disclosure for long-term debt."
       }
      }
     },
     "auth_ref": [
      "r139"
     ]
    },
    "us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis",
     "presentation": [
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESCoalPurchaseRequirementsDetails",
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTConstructionCommitmentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Category of Item Purchased [Axis]",
        "label": "Category of Item Purchased [Axis]",
        "documentation": "Information by category of items purchased under a long-term purchase commitment."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain",
     "presentation": [
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESCoalPurchaseRequirementsDetails",
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTConstructionCommitmentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Long-term Purchase Commitment, Category of Item Purchased [Domain]",
        "label": "Long-Term Purchase Commitment, Category of Item Purchased [Domain]",
        "documentation": "General description of the goods or services to be purchased from the counterparty to the long-term purchase commitment."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LongTermPurchaseCommitmentLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "LongTermPurchaseCommitmentLineItems",
     "presentation": [
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESCoalPurchaseRequirementsDetails",
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTConstructionCommitmentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Long-Term Purchase Commitment [Line Items]",
        "terseLabel": "Long-term Purchase Commitment [Line Items]",
        "label": "Long-Term Purchase Commitment [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": []
    },
    "us-gaap_LongTermPurchaseCommitmentTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "LongTermPurchaseCommitmentTable",
     "presentation": [
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESCoalPurchaseRequirementsDetails",
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTConstructionCommitmentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Long-term Purchase Commitment [Table]",
        "label": "Long-Term Purchase Commitment [Table]",
        "documentation": "Schedule setting forth key provisions of an arrangement under which the entity has agreed to purchase goods or services over a period of time greater than one year or the normal operating cycle, if longer, including the item for which expenditures will be made, minimum quantities, milestones, time period and committed amount."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LongtermDebtCurrentAndNoncurrentAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "LongtermDebtCurrentAndNoncurrentAbstract",
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTSummaryDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Long-term debt, components",
        "label": "Long-Term Debt, Current and Noncurrent [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_LongtermDebtTypeAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "LongtermDebtTypeAxis",
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTAnnualMaturitiesDetails",
      "http://www.tristategt.org/role/LONGTERMDEBTNarrativeDetails",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Long-term Debt, Type [Axis]",
        "label": "Long-Term Debt, Type [Axis]",
        "documentation": "Information by type of long-term debt."
       }
      }
     },
     "auth_ref": [
      "r29"
     ]
    },
    "us-gaap_LongtermDebtTypeDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "LongtermDebtTypeDomain",
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTAnnualMaturitiesDetails",
      "http://www.tristategt.org/role/LONGTERMDEBTNarrativeDetails",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Long-term Debt, Type [Domain]",
        "label": "Long-Term Debt, Type [Domain]",
        "documentation": "Type of long-term debt arrangement, such as notes, line of credit, commercial paper, asset-based financing, project financing, letter of credit financing. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the company, if longer."
       }
      }
     },
     "auth_ref": [
      "r29",
      "r58"
     ]
    },
    "us-gaap_LossOnReacquiredDebtMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "LossOnReacquiredDebtMember",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Deferred Debt Prepayment Transaction Costs",
        "label": "Loss on Reacquired Debt [Member]",
        "documentation": "Rate action of a regulator resulting in capitalization or accrual of loss incurred on reacquisition or refinancing of debt."
       }
      }
     },
     "auth_ref": [
      "r170",
      "r175"
     ]
    },
    "tris_LovelandAreaProjectContractTerminating2024Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "LovelandAreaProjectContractTerminating2024Member",
     "presentation": [
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESElectricPowerPurchaseAgreementsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Loveland Area Projects, Contract Terminating 2024",
        "label": "Loveland Area Project Contract Terminating 2024 [Member]",
        "documentation": "Information pertaining to the contract for the Loveland Area Projects terminating September 30, 2024."
       }
      }
     },
     "auth_ref": []
    },
    "tris_LovelandAreaProjectContractTerminating2054Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "LovelandAreaProjectContractTerminating2054Member",
     "presentation": [
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESElectricPowerPurchaseAgreementsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Loveland Area Projects, Contract Terminating 2054",
        "label": "Loveland Area Project Contract Terminating 2054 [Member]",
        "documentation": "Information pertaining to the contract for the Loveland Area Projects which commences October 1, 2024 and terminates September 30, 2054."
       }
      }
     },
     "auth_ref": []
    },
    "srt_MajorCustomersAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/srt/2023",
     "localname": "MajorCustomersAxis",
     "presentation": [
      "http://www.tristategt.org/role/ORGANIZATIONDetails",
      "http://www.tristategt.org/role/REVENUENarrativeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Customer [Axis]",
        "label": "Customer [Axis]",
        "documentation": "Information by name or description of a single external customer or a group of external customers."
       }
      }
     },
     "auth_ref": [
      "r289",
      "r688",
      "r799",
      "r881",
      "r882"
     ]
    },
    "us-gaap_MarketableSecuritiesNoncurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "MarketableSecuritiesNoncurrent",
     "crdr": "debit",
     "presentation": [
      "http://www.tristategt.org/role/FAIRVALUEDetails",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESMarketableSecuritiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Marketable securities",
        "label": "Marketable Securities, Noncurrent",
        "documentation": "Amount of investment in marketable security, classified as noncurrent."
       }
      }
     },
     "auth_ref": [
      "r757"
     ]
    },
    "us-gaap_MarketableSecuritiesPolicy": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "MarketableSecuritiesPolicy",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "MARKETABLE SECURITIES",
        "label": "Marketable Securities, Policy [Policy Text Block]",
        "documentation": "Disclosure of accounting policy for investment classified as marketable security."
       }
      }
     },
     "auth_ref": [
      "r102"
     ]
    },
    "us-gaap_MaterialsSuppliesAndOther": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "MaterialsSuppliesAndOther",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0,
       "order": 7.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Materials and supplies",
        "label": "Materials, Supplies, and Other",
        "documentation": "The carrying amount of capitalized costs of materials, supplies, and other assets, which are not included in inventory but used in production."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_MaturitiesOfLongTermDebtAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "MaturitiesOfLongTermDebtAbstract",
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTAnnualMaturitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Annual maturities of total debt adjusted for debt issuance costs, discounts and premiums",
        "label": "Maturities of Long-Term Debt [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "srt_MaximumMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2023",
     "localname": "MaximumMember",
     "presentation": [
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESLegalDetails",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedBenefitPlanDetails",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedContributionPlansDetails",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsDetails",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsPlansAmendmentsandObligationsDetails",
      "http://www.tristategt.org/role/LONGTERMDEBTSummaryDetails",
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTElectricPlantDetails",
      "http://www.tristategt.org/role/SHORTTERMBORROWINGSDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Maximum",
        "label": "Maximum [Member]",
        "documentation": "Upper limit of the provided range."
       }
      }
     },
     "auth_ref": [
      "r309",
      "r310",
      "r312",
      "r313",
      "r442",
      "r533",
      "r562",
      "r588",
      "r589",
      "r639",
      "r643",
      "r645",
      "r646",
      "r651",
      "r664",
      "r665",
      "r678",
      "r685",
      "r703",
      "r717",
      "r795",
      "r873",
      "r874",
      "r875",
      "r876",
      "r877",
      "r878"
     ]
    },
    "tris_MedicalPlansMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "MedicalPlansMember",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsDetails",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsPlansAmendmentsandObligationsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Medical Plans",
        "label": "Medical Plans [Member]",
        "documentation": "Unfunded contributory medical plans that provide postretirement and postemployment medical benefits, or just postemployment medical benefits, to non-bargaining unit employees."
       }
      }
     },
     "auth_ref": []
    },
    "tris_MegawattHoursTotalMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "MegawattHoursTotalMember",
     "presentation": [
      "http://www.tristategt.org/role/ORGANIZATIONDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Total Megawatt-Hours",
        "label": "Megawatt Hours Total [Member]",
        "documentation": "Number of megawatt-hours during the period when it serves as a benchmark in a concentration of risk calculation."
       }
      }
     },
     "auth_ref": []
    },
    "tris_MemberAdvancesCurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "MemberAdvancesCurrent",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Utility Member advances",
        "label": "Member Advances, Current",
        "documentation": "Advances received from members of the cooperative for prepayments on billings."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_MembersEquityAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "MembersEquityAbstract",
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Capitalization",
        "label": "Members' Equity [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "tris_MembershipsAndPatronageCapitalPolicyPolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "MembershipsAndPatronageCapitalPolicyPolicyTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "PATRONAGE CAPITAL",
        "label": "Memberships And Patronage Capital Policy [Policy Text Block]",
        "documentation": "Disclosure of accounting policy for memberships and patronage capital."
       }
      }
     },
     "auth_ref": []
    },
    "srt_MinimumMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2023",
     "localname": "MinimumMember",
     "presentation": [
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESLegalDetails",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsPlansAmendmentsandObligationsDetails",
      "http://www.tristategt.org/role/LONGTERMDEBTNarrativeDetails",
      "http://www.tristategt.org/role/LONGTERMDEBTSummaryDetails",
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTElectricPlantDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Minimum",
        "label": "Minimum [Member]",
        "documentation": "Lower limit of the provided range."
       }
      }
     },
     "auth_ref": [
      "r309",
      "r310",
      "r312",
      "r313",
      "r442",
      "r533",
      "r562",
      "r588",
      "r589",
      "r639",
      "r643",
      "r645",
      "r646",
      "r651",
      "r664",
      "r665",
      "r678",
      "r685",
      "r703",
      "r717",
      "r795",
      "r873",
      "r874",
      "r875",
      "r876",
      "r877",
      "r878"
     ]
    },
    "us-gaap_MinorityInterest": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "MinorityInterest",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition",
      "http://www.tristategt.org/role/VARIABLEINTERESTENTITIESDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Noncontrolling interest",
        "label": "Equity, Attributable to Noncontrolling Interest",
        "documentation": "Amount of equity (deficit) attributable to noncontrolling interest. Excludes temporary equity."
       }
      }
     },
     "auth_ref": [
      "r33",
      "r165",
      "r244",
      "r298",
      "r314",
      "r317",
      "r318",
      "r319",
      "r325",
      "r326",
      "r500",
      "r545",
      "r598"
     ]
    },
    "us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders",
     "crdr": "debit",
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Equity distribution to noncontrolling interest",
        "label": "Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders",
        "documentation": "Decrease in noncontrolling interest balance from payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling interest holders."
       }
      }
     },
     "auth_ref": [
      "r143"
     ]
    },
    "us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "MinorityInterestOwnershipPercentageByNoncontrollingOwners",
     "presentation": [
      "http://www.tristategt.org/role/VARIABLEINTERESTENTITIESDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Ownership interest held by noncontrolling interest (as a percent)",
        "label": "Subsidiary, Ownership Percentage, Noncontrolling Owner",
        "documentation": "The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_MinorityInterestOwnershipPercentageByParent": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "MinorityInterestOwnershipPercentageByParent",
     "presentation": [
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTOtherPlantDetails",
      "http://www.tristategt.org/role/VARIABLEINTERESTENTITIESDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Ownership interest held by parent (as a percent)",
        "label": "Subsidiary, Ownership Percentage, Parent",
        "documentation": "The parent entity's interest in net assets of the subsidiary, expressed as a percentage."
       }
      }
     },
     "auth_ref": []
    },
    "tris_MissouriBasinPowerProjectMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "MissouriBasinPowerProjectMember",
     "presentation": [
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTJointlyOwnedFacilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "MBPP",
        "label": "Missouri Basin Power Project [Member]",
        "documentation": "Missouri Basin Power Project Member, a jointly owned generation facility operated by Basin Electric Power Cooperative."
       }
      }
     },
     "auth_ref": []
    },
    "tris_MoffatCountyColoradoPollutionControlRevenueBondsVariableRateDemandSeries2009Due2036Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "MoffatCountyColoradoPollutionControlRevenueBondsVariableRateDemandSeries2009Due2036Member",
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTSummaryDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Moffat County, CO, 2.90% term rate through October 2027, Series\u00a02009, due 2036",
        "label": "Moffat County, Colorado Pollution Control Revenue Bonds Variable Rate Demand Series 2009 Due 2036 [Member]",
        "documentation": "Information pertaining to pollution control revenue bonds issued by the Moffat County, Colorado, variable rate demand Series 2009, due 2036."
       }
      }
     },
     "auth_ref": []
    },
    "tris_MortgageNotesPayableCFCDueThrough2050Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "MortgageNotesPayableCFCDueThrough2050Member",
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTNarrativeDetails",
      "http://www.tristategt.org/role/LONGTERMDEBTSummaryDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "2.32% to 6.44% CFC, due through 2050",
        "label": "Mortgage Notes Payable CFC Due Through 2050 [Member]",
        "documentation": "Information pertaining to CFC variable rate mortgage notes payable due through 2050."
       }
      }
     },
     "auth_ref": []
    },
    "tris_MortgageNotesPayableCFCSOFRBasedTermLoanDueThrough2049Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "MortgageNotesPayableCFCSOFRBasedTermLoanDueThrough2049Member",
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTSummaryDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Variable rate CFC, SOFR-based term loans, due through 2049",
        "label": "Mortgage Notes Payable CFC SOFR Based Term Loan Due Through 2049 [Member]",
        "documentation": "Information pertaining to mortgage notes payable to CFC. SOFR-based term loans due through 2049."
       }
      }
     },
     "auth_ref": []
    },
    "tris_MortgageNotesPayableCobankACBDueThrough2042Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "MortgageNotesPayableCobankACBDueThrough2042Member",
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTSummaryDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "2.63% to 4.43% CoBank, ACB, due through 2042",
        "label": "Mortgage Notes Payable Cobank ACB Due Through 2042 [Member]",
        "documentation": "Information pertaining to CoBank, ACB variable rate mortgage notes payable due through 2042."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_MortgagesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "MortgagesMember",
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTNarrativeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Mortgages",
        "label": "Mortgages [Member]",
        "documentation": "A loan to finance the purchase of real estate where the lender has a lien on the property as collateral for the loan."
       }
      }
     },
     "auth_ref": []
    },
    "tris_MultiemployerPlanAmortizationPeriodOfPrepayment": {
     "xbrltype": "durationItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "MultiemployerPlanAmortizationPeriodOfPrepayment",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedBenefitPlanDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Amortization period of prepayment",
        "label": "Multiemployer Plan, Amortization Period Of Prepayment",
        "documentation": "Under the prepayment option, the amortization period of the prepayment contribution, which was recorded as a deferred charge, made to the plan."
       }
      }
     },
     "auth_ref": []
    },
    "tris_MultiemployerPlanContributionPrepayment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "MultiemployerPlanContributionPrepayment",
     "crdr": "credit",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedBenefitPlanDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Contribution prepayment",
        "label": "Multiemployer Plan, Contribution Prepayment",
        "documentation": "Under the prepayment option, the amount of the prepayment contribution made to the plan."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_MultiemployerPlanEmployerContributionCost": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "MultiemployerPlanEmployerContributionCost",
     "crdr": "debit",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedBenefitPlanDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Employer contributions to plan",
        "label": "Multiemployer Plan, Employer Contribution, Cost",
        "documentation": "Amount of cost for employer contribution to multiemployer plan. Multiemployer plan includes, but is not limited to, pension plan determined to be individually significant and insignificant and other postretirement benefit plan."
       }
      }
     },
     "auth_ref": [
      "r437",
      "r438",
      "r448",
      "r703"
     ]
    },
    "tris_MultiemployerPlanPercentageReductionInAnnualContribution": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "MultiemployerPlanPercentageReductionInAnnualContribution",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedBenefitPlanDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Reduction in the annual contribution (as a percent)",
        "label": "Multiemployer Plan, Percentage Reduction In Annual Contribution",
        "documentation": "Under the prepayment option, the percentage reduction in the annual contribution to the plan."
       }
      }
     },
     "auth_ref": []
    },
    "tris_MultiemployerPlanPeriodOfReductionInAnnualContribution": {
     "xbrltype": "durationItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "MultiemployerPlanPeriodOfReductionInAnnualContribution",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedBenefitPlanDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Reduced annual contribution period",
        "label": "Multiemployer Plan, Period Of Reduction In Annual Contribution",
        "documentation": "Under the prepayment option, the period of the percentage reduction in the annual contribution to the plan."
       }
      }
     },
     "auth_ref": []
    },
    "tris_MultiemployerPlanPrepaymentAmountPercentageOfAnnualRequiredContribution": {
     "xbrltype": "pureItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "MultiemployerPlanPrepaymentAmountPercentageOfAnnualRequiredContribution",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedBenefitPlanDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Prepayment amount, multiple of annual required contribution",
        "label": "Multiemployer Plan, Prepayment Amount, Percentage Of Annual Required Contribution",
        "documentation": "Under the prepayment option, the approximate number of times the annual required contribution to the plan used to determine the prepayment amount."
       }
      }
     },
     "auth_ref": []
    },
    "srt_NameOfMajorCustomerDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2023",
     "localname": "NameOfMajorCustomerDomain",
     "presentation": [
      "http://www.tristategt.org/role/ORGANIZATIONDetails",
      "http://www.tristategt.org/role/REVENUENarrativeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Customer [Domain]",
        "label": "Customer [Domain]",
        "documentation": "Single external customer or group of external customers."
       }
      }
     },
     "auth_ref": [
      "r289",
      "r688",
      "r799",
      "r881",
      "r882"
     ]
    },
    "tris_NationalRuralUtilitiesCooperativeFinanceCorporationCapitalTermCertificatesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "NationalRuralUtilitiesCooperativeFinanceCorporationCapitalTermCertificatesMember",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESInvestmentsinOtherAssociationsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "National Rural Utilities Cooperative Finance Corporation - capital term certificates",
        "label": "National Rural Utilities Cooperative Finance Corporation - Capital Term Certificates [Member]",
        "documentation": "Information pertaining to the National Rural Utilities Cooperative Finance Corporation capital term certificates."
       }
      }
     },
     "auth_ref": []
    },
    "tris_NationalRuralUtilitiesCooperativeFinanceCorporationPatronageCapitalMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "NationalRuralUtilitiesCooperativeFinanceCorporationPatronageCapitalMember",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESInvestmentsinOtherAssociationsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "National Rural Utilities Cooperative Finance Corporation - patronage capital",
        "label": "National Rural Utilities Cooperative Finance Corporation - Patronage Capital [Member]",
        "documentation": "Information pertaining to the National Rural Utilities Cooperative Finance Corporation patronage capital."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_NatureOfOperations": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "NatureOfOperations",
     "presentation": [
      "http://www.tristategt.org/role/ORGANIZATION"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "ORGANIZATION",
        "label": "Nature of Operations [Text Block]",
        "documentation": "The entire disclosure for the nature of an entity's business, major products or services, principal markets including location, and the relative importance of its operations in each business and the basis for the determination, including but not limited to, assets, revenues, or earnings. For an entity that has not commenced principal operations, disclosures about the risks and uncertainties related to the activities in which the entity is currently engaged and an understanding of what those activities are being directed toward."
       }
      }
     },
     "auth_ref": [
      "r181",
      "r192"
     ]
    },
    "us-gaap_NetCashProvidedByUsedInFinancingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "NetCashProvidedByUsedInFinancingActivities",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows": {
       "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Net cash provided by (used in) financing activities",
        "label": "Net Cash Provided by (Used in) Financing Activities",
        "documentation": "Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit."
       }
      }
     },
     "auth_ref": [
      "r241"
     ]
    },
    "us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "NetCashProvidedByUsedInFinancingActivitiesAbstract",
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Financing activities",
        "label": "Net Cash Provided by (Used in) Financing Activities [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_NetCashProvidedByUsedInInvestingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "NetCashProvidedByUsedInInvestingActivities",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows": {
       "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Net cash used in investing activities",
        "label": "Net Cash Provided by (Used in) Investing Activities",
        "documentation": "Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets."
       }
      }
     },
     "auth_ref": [
      "r241"
     ]
    },
    "us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "NetCashProvidedByUsedInInvestingActivitiesAbstract",
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Investing activities",
        "label": "Net Cash Provided by (Used in) Investing Activities [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_NetCashProvidedByUsedInOperatingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "NetCashProvidedByUsedInOperatingActivities",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows": {
       "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Net cash provided by operating activities",
        "label": "Net Cash Provided by (Used in) Operating Activities",
        "documentation": "Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities."
       }
      }
     },
     "auth_ref": [
      "r130",
      "r131",
      "r132"
     ]
    },
    "us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "NetCashProvidedByUsedInOperatingActivitiesAbstract",
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Operating activities",
        "label": "Net Cash Provided by (Used in) Operating Activities [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_NetIncomeLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "NetIncomeLoss",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofEquity",
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Net margins attributable to the Association",
        "terseLabel": "Net margins attributable to the Association",
        "label": "Net Income (Loss)",
        "documentation": "The portion of profit or loss for the period, net of income taxes, which is attributable to the parent."
       }
      }
     },
     "auth_ref": [
      "r119",
      "r132",
      "r167",
      "r209",
      "r224",
      "r227",
      "r232",
      "r244",
      "r252",
      "r254",
      "r255",
      "r256",
      "r257",
      "r259",
      "r260",
      "r261",
      "r264",
      "r278",
      "r284",
      "r286",
      "r298",
      "r314",
      "r315",
      "r317",
      "r318",
      "r319",
      "r321",
      "r323",
      "r325",
      "r326",
      "r497",
      "r500",
      "r549",
      "r616",
      "r633",
      "r634",
      "r676",
      "r724",
      "r791"
     ]
    },
    "us-gaap_NetIncomeLossAttributableToNoncontrollingInterest": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "NetIncomeLossAttributableToNoncontrollingInterest",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations": {
       "parentTag": "us-gaap_NetIncomeLoss",
       "weight": -1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Net margin attributable to noncontrolling interest",
        "label": "Net Income (Loss) Attributable to Noncontrolling Interest",
        "documentation": "Amount of Net Income (Loss) attributable to noncontrolling interest."
       }
      }
     },
     "auth_ref": [
      "r88",
      "r153",
      "r224",
      "r227",
      "r259",
      "r260",
      "r548",
      "r763"
     ]
    },
    "us-gaap_NetRegulatoryAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "NetRegulatoryAssets",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Net regulatory asset",
        "label": "Net Regulatory Assets",
        "documentation": "The net amount of all regulatory assets less all regulatory liabilities as of the end of the period."
       }
      }
     },
     "auth_ref": [
      "r171"
     ]
    },
    "us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "NewAccountingPronouncementsPolicyPolicyTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "ACCOUNTING PRONOUNCEMENTS - NOT YET ADOPTED",
        "label": "New Accounting Pronouncements, Policy [Policy Text Block]",
        "documentation": "Disclosure of accounting policy pertaining to new accounting pronouncements that may impact the entity's financial reporting. Includes, but is not limited to, quantification of the expected or actual impact."
       }
      }
     },
     "auth_ref": []
    },
    "tris_NewHorizonMineMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "NewHorizonMineMember",
     "presentation": [
      "http://www.tristategt.org/role/ASSETRETIREMENTANDENVIRONMENTALRECLAMATIONOBLIGATIONSNarrativeDetails",
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTOtherPlantDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "New Horizon Mine",
        "label": "New Horizon Mine [Member]",
        "documentation": "Information pertaining to the New Horizon Mine."
       }
      }
     },
     "auth_ref": []
    },
    "tris_NewHorizonMineRemainingLandInstallmentPaymentsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "NewHorizonMineRemainingLandInstallmentPaymentsMember",
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTSummaryDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "New Horizon Mine remaining land installment payments",
        "label": "New Horizon Mine Remaining Land Installment Payments [Member]",
        "documentation": "New Horizon Mine Remaining Land Installment Payments"
       }
      }
     },
     "auth_ref": []
    },
    "tris_NonBargainingUnitEmployeesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "NonBargainingUnitEmployeesMember",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsDetails",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsPlansAmendmentsandObligationsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Non-bargaining unit employees",
        "label": "Non Bargaining Unit Employees [Member]",
        "documentation": "Information pertaining to non-bargaining unit employees."
       }
      }
     },
     "auth_ref": []
    },
    "tris_NonMemberElectricSalesAndOtherOperatingRevenueMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "NonMemberElectricSalesAndOtherOperatingRevenueMember",
     "presentation": [
      "http://www.tristategt.org/role/REVENUESummaryDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Non-member electric sales and other operating revenue",
        "label": "Non Member Electric Sales And Other Operating Revenue [Member]",
        "documentation": "Information pertaining to the aggregate of non-member electric sales and other operating revenue."
       }
      }
     },
     "auth_ref": []
    },
    "tris_NonbargainingUnitEmployeesOnlyEmployeesOfColowyoCoalMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "NonbargainingUnitEmployeesOnlyEmployeesOfColowyoCoalMember",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedBenefitPlanDetails",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedContributionPlansDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Non-bargaining unit employees, Colowyo Coal employees",
        "label": "Nonbargaining Unit Employees Only Employees Of Colowyo Coal [Member]",
        "documentation": "Of the non-bargaining unit employees, only the employees of Colowyo Coal. These employees are not members of the multiemployer plan."
       }
      }
     },
     "auth_ref": []
    },
    "tris_NonbargainingUnitEmployeesOtherThanEmployeesOfColowyoCoalMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "NonbargainingUnitEmployeesOtherThanEmployeesOfColowyoCoalMember",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedContributionPlansDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Non-bargaining unit employees, excluding Colowyo Coal employees",
        "label": "Nonbargaining Unit Employees Other Than Employees Of Colowyo Coal [Member]",
        "documentation": "The non-bargaining unit employees, other than the employees of Colowyo Coal."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_NoncontrollingInterestMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "NoncontrollingInterestMember",
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Noncontrolling interest",
        "label": "Noncontrolling Interest [Member]",
        "documentation": "This element represents that portion of equity (net assets) in a subsidiary not attributable, directly or indirectly, to the parent. A noncontrolling interest is sometimes called a minority interest."
       }
      }
     },
     "auth_ref": [
      "r74",
      "r348",
      "r772",
      "r773",
      "r774",
      "r884"
     ]
    },
    "us-gaap_NonmonetaryTransactionByTypeTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "NonmonetaryTransactionByTypeTable",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESInterchangePowerDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Nonmonetary Transaction, by Type [Table]",
        "label": "Nonmonetary Transaction, by Type [Table]",
        "documentation": "Transactions involving exchanges with other entities that involve principally nonmonetary assets or liabilities or relate to a transfer of nonmonetary assets for which the Entity receives no assets in return."
       }
      }
     },
     "auth_ref": [
      "r521",
      "r523",
      "r707",
      "r708",
      "r709",
      "r710",
      "r711",
      "r712",
      "r713",
      "r714"
     ]
    },
    "us-gaap_NonmonetaryTransactionGainLossRecognizedOnTransfer": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "NonmonetaryTransactionGainLossRecognizedOnTransfer",
     "crdr": "credit",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESInterchangePowerDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Net interchange activity, credit (expense)",
        "label": "Nonmonetary Transaction, Gain (Loss) Recognized on Transfer",
        "documentation": "Disclosure of the difference in values (gain (loss)) between the nonmonetary assets or liabilities exchanged with another entity inclusive of boot (small monetary consideration)."
       }
      }
     },
     "auth_ref": [
      "r522",
      "r523"
     ]
    },
    "us-gaap_NonmonetaryTransactionLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "NonmonetaryTransactionLineItems",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESInterchangePowerDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Nonmonetary Transaction [Line Items]",
        "label": "Nonmonetary Transaction [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": [
      "r521",
      "r523",
      "r707",
      "r708",
      "r709",
      "r710",
      "r711",
      "r712",
      "r713",
      "r714"
     ]
    },
    "us-gaap_NonmonetaryTransactionTypeAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "NonmonetaryTransactionTypeAxis",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESInterchangePowerDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Nonmonetary Transaction Type [Axis]",
        "label": "Nonmonetary Transaction Type [Axis]",
        "documentation": "Information by nature of the nonmonetary transaction or group of similar transactions, such as a barter or exchange."
       }
      }
     },
     "auth_ref": [
      "r521",
      "r523",
      "r707",
      "r708",
      "r709",
      "r710",
      "r711",
      "r712",
      "r713",
      "r714"
     ]
    },
    "us-gaap_NonmonetaryTransactionTypeDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "NonmonetaryTransactionTypeDomain",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESInterchangePowerDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Nonmonetary Transaction Type [Domain]",
        "label": "Nonmonetary Transaction Type [Domain]",
        "documentation": "Identifies the nature of the nonmonetary transaction or group of similar transactions, such as a barter or exchange."
       }
      }
     },
     "auth_ref": [
      "r521",
      "r523",
      "r707",
      "r708",
      "r709",
      "r710",
      "r711",
      "r712",
      "r713",
      "r714"
     ]
    },
    "us-gaap_NonoperatingIncomeExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "NonoperatingIncomeExpense",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations": {
       "parentTag": "us-gaap_ProfitLoss",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Other income",
        "label": "Nonoperating Income (Expense)",
        "documentation": "The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business)."
       }
      }
     },
     "auth_ref": [
      "r125"
     ]
    },
    "us-gaap_NonoperatingIncomeExpenseAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "NonoperatingIncomeExpenseAbstract",
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other income",
        "label": "Nonoperating Income (Expense) [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "tris_NuclaAndEscalanteGeneratingStationsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "NuclaAndEscalanteGeneratingStationsMember",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESSegmentsandImpairmentLossesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Nucla and Escalante Generating Stations",
        "label": "Nucla And Escalante Generating Stations [Member]",
        "documentation": "Nucla And Escalante Generating Stations"
       }
      }
     },
     "auth_ref": []
    },
    "tris_NumberOfClassesOfMembers": {
     "xbrltype": "integerItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "NumberOfClassesOfMembers",
     "presentation": [
      "http://www.tristategt.org/role/ORGANIZATIONDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Number of classes of members",
        "label": "Number Of Classes Of Members",
        "documentation": "Number of classes of members of the reporting entity."
       }
      }
     },
     "auth_ref": []
    },
    "tris_NumberOfCoalMineAssetRetirementObligationsRevised": {
     "xbrltype": "integerItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "NumberOfCoalMineAssetRetirementObligationsRevised",
     "presentation": [
      "http://www.tristategt.org/role/ASSETRETIREMENTANDENVIRONMENTALRECLAMATIONOBLIGATIONSNarrativeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Number of coal mine asset retirement obligations revised",
        "label": "Number Of Coal Mine Asset Retirement Obligations Revised",
        "documentation": "Number Of Coal Mine Asset Retirement Obligations Revised"
       }
      }
     },
     "auth_ref": []
    },
    "tris_NumberOfContracts": {
     "xbrltype": "integerItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "NumberOfContracts",
     "presentation": [
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESElectricPowerPurchaseAgreementsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Number of contracts",
        "label": "Number Of Contracts",
        "documentation": "Number of contracts."
       }
      }
     },
     "auth_ref": []
    },
    "tris_NumberOfDemandRates": {
     "xbrltype": "integerItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "NumberOfDemandRates",
     "presentation": [
      "http://www.tristategt.org/role/REVENUENarrativeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Number of demand rates",
        "label": "Number Of Demand Rates",
        "documentation": "The number of demand rates in the Class A rate schedule for electric power sales to Members."
       }
      }
     },
     "auth_ref": []
    },
    "tris_NumberOfElectricDistributionMemberSystems": {
     "xbrltype": "integerItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "NumberOfElectricDistributionMemberSystems",
     "presentation": [
      "http://www.tristategt.org/role/ORGANIZATIONDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Number of electric distribution member systems",
        "label": "Number Of Electric Distribution Member Systems",
        "documentation": "Number Of Electric Distribution Member Systems"
       }
      }
     },
     "auth_ref": []
    },
    "tris_NumberOfFinanceLeases": {
     "xbrltype": "integerItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "NumberOfFinanceLeases",
     "presentation": [
      "http://www.tristategt.org/role/LEASESNarrativeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Number of finance leases",
        "label": "Number Of Finance Leases",
        "documentation": "The number of leases classified as financing leases."
       }
      }
     },
     "auth_ref": []
    },
    "tris_NumberOfMinePitsInFinalReclamation": {
     "xbrltype": "integerItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "NumberOfMinePitsInFinalReclamation",
     "presentation": [
      "http://www.tristategt.org/role/ASSETRETIREMENTANDENVIRONMENTALRECLAMATIONOBLIGATIONSNarrativeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Number of mine pits in final reclamation",
        "label": "Number Of Mine Pits In Final Reclamation",
        "documentation": "The number of mine pits in final reclamation."
       }
      }
     },
     "auth_ref": []
    },
    "tris_NumberOfNonUtilityMembers": {
     "xbrltype": "integerItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "NumberOfNonUtilityMembers",
     "presentation": [
      "http://www.tristategt.org/role/ORGANIZATIONDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Number of non-utility members",
        "label": "Number Of Non-Utility Members",
        "documentation": "The number of non-utility members of the entity."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_NumberOfOperatingSegments": {
     "xbrltype": "integerItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "NumberOfOperatingSegments",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESSegmentsandImpairmentLossesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Number of operating segments",
        "label": "Number of Operating Segments",
        "documentation": "Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues."
       }
      }
     },
     "auth_ref": [
      "r775"
     ]
    },
    "tris_NumberOfRateScheduleBillingComponentsMemberElectricPowerSales": {
     "xbrltype": "integerItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "NumberOfRateScheduleBillingComponentsMemberElectricPowerSales",
     "presentation": [
      "http://www.tristategt.org/role/REVENUENarrativeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Number of billing components of Class A rate schedule for electric power sales to Members",
        "label": "Number Of Rate Schedule Billing Components, Member Electric Power Sales",
        "documentation": "The number of billing components in the Class A rate schedule for electric power sales to Members."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_NumberOfReportableSegments": {
     "xbrltype": "integerItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "NumberOfReportableSegments",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESSegmentsandImpairmentLossesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Number of reportable segments",
        "label": "Number of Reportable Segments",
        "documentation": "Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements."
       }
      }
     },
     "auth_ref": [
      "r775"
     ]
    },
    "tris_NumberOfUtilityMembers": {
     "xbrltype": "integerItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "NumberOfUtilityMembers",
     "presentation": [
      "http://www.tristategt.org/role/REVENUENarrativeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Number of utility members",
        "label": "Number Of Utility Members",
        "documentation": "Number Of Utility Members"
       }
      }
     },
     "auth_ref": []
    },
    "tris_OperatingExpenseCoalMining": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "OperatingExpenseCoalMining",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations": {
       "parentTag": "us-gaap_CostsAndExpenses",
       "weight": 1.0,
       "order": 7.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Coal mining",
        "label": "Operating Expense, Coal Mining",
        "documentation": "Amount of operating expense related to coal mining activities."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_OperatingIncomeLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "OperatingIncomeLoss",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations": {
       "parentTag": "us-gaap_ProfitLoss",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Operating margins",
        "label": "Operating Income (Loss)",
        "documentation": "The net result for the period of deducting operating expenses from operating revenues."
       }
      }
     },
     "auth_ref": [
      "r264",
      "r278",
      "r284",
      "r286",
      "r676"
     ]
    },
    "us-gaap_OperatingIncomeLossAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "OperatingIncomeLossAbstract",
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Operating expenses",
        "label": "Operating Income (Loss) [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_OperatingLeaseExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "OperatingLeaseExpense",
     "crdr": "debit",
     "presentation": [
      "http://www.tristategt.org/role/LEASESNarrativeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Operating lease expense",
        "label": "Operating Lease, Expense",
        "documentation": "Amount of operating lease expense. Excludes sublease income."
       }
      }
     },
     "auth_ref": [
      "r867"
     ]
    },
    "us-gaap_OperatingLeaseLeaseIncomeLeasePayments": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "OperatingLeaseLeaseIncomeLeasePayments",
     "crdr": "credit",
     "presentation": [
      "http://www.tristategt.org/role/LEASESNarrativeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Lease revenue",
        "label": "Operating Lease, Lease Income, Lease Payments",
        "documentation": "Amount of operating lease income from lease payments paid and payable to lessor. Excludes variable lease payments not included in measurement of lease receivable."
       }
      }
     },
     "auth_ref": [
      "r262",
      "r520"
     ]
    },
    "us-gaap_OperatingLeaseLiability": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "OperatingLeaseLiability",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/LEASESFutureMinimumLeaseCommitmentsDetails_1": {
       "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
       "weight": 1.0,
       "order": 1.0
      },
      "http://www.tristategt.org/role/LEASESLeaseComponentsDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/LEASESFutureMinimumLeaseCommitmentsDetails",
      "http://www.tristategt.org/role/LEASESLeaseComponentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedTotalLabel": "Total operating lease liabilities",
        "terseLabel": "Total",
        "label": "Operating Lease, Liability",
        "documentation": "Present value of lessee's discounted obligation for lease payments from operating lease."
       }
      }
     },
     "auth_ref": [
      "r513"
     ]
    },
    "us-gaap_OperatingLeaseLiabilityCurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "OperatingLeaseLiabilityCurrent",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/LEASESLeaseComponentsDetails": {
       "parentTag": "us-gaap_OperatingLeaseLiability",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/LEASESLeaseComponentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedTerseLabel": "Operating lease liabilities \u2013 current",
        "label": "Operating Lease, Liability, Current",
        "documentation": "Present value of lessee's discounted obligation for lease payments from operating lease, classified as current."
       }
      }
     },
     "auth_ref": [
      "r513"
     ]
    },
    "us-gaap_OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList": {
     "xbrltype": "enumerationSetItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList",
     "presentation": [
      "http://www.tristategt.org/role/LEASESLeaseComponentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]",
        "label": "Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]",
        "documentation": "Indicates line item in statement of financial position that includes current operating lease liability."
       }
      }
     },
     "auth_ref": [
      "r514"
     ]
    },
    "us-gaap_OperatingLeaseLiabilityNoncurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "OperatingLeaseLiabilityNoncurrent",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/LEASESLeaseComponentsDetails": {
       "parentTag": "us-gaap_OperatingLeaseLiability",
       "weight": 1.0,
       "order": 1.0
      },
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESOtherDeferredCreditsandOtherLiabilitiesDetails": {
       "parentTag": "tris_OtherDeferredCreditsAndOtherLiabilities",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/LEASESLeaseComponentsDetails",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESOtherDeferredCreditsandOtherLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Operating lease liabilities - noncurrent",
        "negatedTerseLabel": "Operating lease liabilities \u2013 noncurrent",
        "label": "Operating Lease, Liability, Noncurrent",
        "documentation": "Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent."
       }
      }
     },
     "auth_ref": [
      "r513"
     ]
    },
    "us-gaap_OperatingLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList": {
     "xbrltype": "enumerationSetItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "OperatingLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList",
     "presentation": [
      "http://www.tristategt.org/role/LEASESLeaseComponentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]",
        "label": "Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]",
        "documentation": "Indicates line item in statement of financial position that includes noncurrent operating lease liability."
       }
      }
     },
     "auth_ref": [
      "r514"
     ]
    },
    "us-gaap_OperatingLeaseRightOfUseAsset": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "OperatingLeaseRightOfUseAsset",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESOtherDeferredChargesDetails": {
       "parentTag": "us-gaap_DeferredCostsCurrentAndNoncurrent",
       "weight": 1.0,
       "order": 3.0
      },
      "http://www.tristategt.org/role/LEASESLeaseComponentsDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/LEASESLeaseComponentsDetails",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESOtherDeferredChargesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Operating lease right-of-use assets",
        "totalLabel": "Net operating lease right-of-use assets",
        "label": "Operating Lease, Right-of-Use Asset",
        "documentation": "Amount of lessee's right to use underlying asset under operating lease."
       }
      }
     },
     "auth_ref": [
      "r512"
     ]
    },
    "tris_OperatingLeaseRightOfUseAssetGross": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "OperatingLeaseRightOfUseAssetGross",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/LEASESLeaseComponentsDetails": {
       "parentTag": "us-gaap_OperatingLeaseRightOfUseAsset",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/LEASESLeaseComponentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Operating lease right-of-use assets",
        "label": "Operating Lease, Right-Of-Use Asset, Gross",
        "documentation": "Amount before accumulated depreciation of lessee's right to use underlying asset under operating lease."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList": {
     "xbrltype": "enumerationSetItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList",
     "presentation": [
      "http://www.tristategt.org/role/LEASESLeaseComponentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Operating lease right-of-use asset, Statement of Financial Position line item",
        "label": "Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]",
        "documentation": "Indicates line item in statement of financial position that includes operating lease right-of-use asset."
       }
      }
     },
     "auth_ref": [
      "r514"
     ]
    },
    "us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "OperatingLeaseWeightedAverageDiscountRatePercent",
     "presentation": [
      "http://www.tristategt.org/role/LEASESLeaseComponentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Weighted average discount rate (as a percent)",
        "label": "Operating Lease, Weighted Average Discount Rate, Percent",
        "documentation": "Weighted average discount rate for operating lease calculated at point in time."
       }
      }
     },
     "auth_ref": [
      "r517",
      "r706"
     ]
    },
    "us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1": {
     "xbrltype": "durationItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "OperatingLeaseWeightedAverageRemainingLeaseTerm1",
     "presentation": [
      "http://www.tristategt.org/role/LEASESLeaseComponentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Weighted average remaining lease term (years)",
        "label": "Operating Lease, Weighted Average Remaining Lease Term",
        "documentation": "Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days."
       }
      }
     },
     "auth_ref": [
      "r516",
      "r706"
     ]
    },
    "us-gaap_OperatingLeasesOfLessorDisclosureTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "OperatingLeasesOfLessorDisclosureTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/LEASES"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "LEASES",
        "label": "Lessor, Operating Leases [Text Block]",
        "documentation": "The entire disclosure for lessor's operating leases."
       }
      }
     },
     "auth_ref": [
      "r519"
     ]
    },
    "us-gaap_OperatingLossCarryforwards": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "OperatingLossCarryforwards",
     "crdr": "debit",
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESOperatingLossandTaxCreditCarryforwardsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Net operating loss carryforwards",
        "label": "Operating Loss Carryforwards",
        "documentation": "Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws."
       }
      }
     },
     "auth_ref": [
      "r70"
     ]
    },
    "us-gaap_OperatingLossCarryforwardsLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "OperatingLossCarryforwardsLineItems",
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESOperatingLossandTaxCreditCarryforwardsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Carryforwards",
        "label": "Operating Loss Carryforwards [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": []
    },
    "us-gaap_OperatingLossCarryforwardsTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "OperatingLossCarryforwardsTable",
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESOperatingLossandTaxCreditCarryforwardsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Operating Loss Carryforwards [Table]",
        "label": "Operating Loss Carryforwards [Table]",
        "documentation": "Schedule reflecting pertinent information, such as tax authority, amounts, and expiration dates, of net operating loss carryforwards, including an assessment of the likelihood of utilization."
       }
      }
     },
     "auth_ref": [
      "r69"
     ]
    },
    "us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Organization, Consolidation and Presentation of Financial Statements [Abstract]",
        "label": "Organization, Consolidation and Presentation of Financial Statements [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "tris_OtherAccountsReceivableNonTradeMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "OtherAccountsReceivableNonTradeMember",
     "presentation": [
      "http://www.tristategt.org/role/CONTRACTASSETSANDCONTRACTLIABILITIESDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other accounts receivable - nontrade",
        "label": "Other Accounts Receivable Non Trade [Member]",
        "documentation": "Information pertaining to other non-trade accounts receivable."
       }
      }
     },
     "auth_ref": []
    },
    "tris_OtherAccountsReceivableTradeMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "OtherAccountsReceivableTradeMember",
     "presentation": [
      "http://www.tristategt.org/role/CONTRACTASSETSANDCONTRACTLIABILITIESDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other accounts receivable - trade",
        "label": "Other Accounts Receivable Trade [Member]",
        "documentation": "Information pertaining to other trade accounts receivable."
       }
      }
     },
     "auth_ref": []
    },
    "tris_OtherAssetsAndInvestments": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "OtherAssetsAndInvestments",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": "us-gaap_Assets",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Total other assets and investments",
        "label": "Other Assets And Investments",
        "documentation": "Sum of the carrying amounts as of the balance sheet date of investments and other assets, excluding property, plant and equipment, that are expected to be realized in cash, sold or consumed after one year or beyond the normal operating cycle, if longer."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "OtherCapitalizedPropertyPlantAndEquipmentMember",
     "presentation": [
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTOtherPlantDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Non-utility assets",
        "label": "Other Capitalized Property Plant and Equipment [Member]",
        "documentation": "All other long term capitalized assets related to property plant and equipment not otherwise previously categorized."
       }
      }
     },
     "auth_ref": [
      "r135"
     ]
    },
    "us-gaap_OtherCommitmentsLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "OtherCommitmentsLineItems",
     "presentation": [
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESLegalDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other Commitments [Line Items]",
        "label": "Other Commitments [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": []
    },
    "us-gaap_OtherCommitmentsTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "OtherCommitmentsTable",
     "presentation": [
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESLegalDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other Commitments [Table]",
        "label": "Other Commitments [Table]",
        "documentation": "Disclosure of information about obligations resulting from other commitments."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofComprehensiveIncome": {
       "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTax",
       "weight": -1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofComprehensiveIncome",
      "http://www.tristategt.org/role/ConsolidatedStatementsofEquity",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsActuarialGainsandLossesandAssumptionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Unrecognized prior service credit (cost)",
        "negatedTerseLabel": "Plan amendments - prior service cost",
        "label": "Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), after Tax",
        "documentation": "Amount, after tax, of cost (credit) of benefit change attributable to participants' prior service from plan amendment or plan initiation of defined benefit plan, that has not been recognized in net periodic benefit cost (credit)."
       }
      }
     },
     "auth_ref": [
      "r6",
      "r118",
      "r409"
     ]
    },
    "us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofComprehensiveIncome": {
       "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTax",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofComprehensiveIncome",
      "http://www.tristategt.org/role/ConsolidatedStatementsofEquity",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsActuarialGainsandLossesandAssumptionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Unrecognized actuarial gain (loss)",
        "label": "Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax",
        "documentation": "Amount, after tax, of gain (loss) for (increase) decrease in value of benefit obligation for change in actuarial assumptions and increase (decrease) in value of plan assets from experience different from that assumed of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit."
       }
      }
     },
     "auth_ref": [
      "r5",
      "r118",
      "r409"
     ]
    },
    "us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofComprehensiveIncome": {
       "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTax",
       "weight": 1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofComprehensiveIncome",
      "http://www.tristategt.org/role/ConsolidatedStatementsofEquity",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsActuarialGainsandLossesandAssumptionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "netLabel": "Amortization of prior service cost (credit)",
        "verboseLabel": "Reclassification adjustment for prior service cost (credit)",
        "terseLabel": "Amortization of prior service credit into other income",
        "label": "Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, after Tax",
        "documentation": "Amount, after tax, of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) of defined benefit plan."
       }
      }
     },
     "auth_ref": [
      "r7",
      "r118",
      "r223",
      "r409"
     ]
    },
    "tris_OtherComprehensiveIncomeLossDefinedBenefitPlanPlanAmendmentsAfterTax": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "OtherComprehensiveIncomeLossDefinedBenefitPlanPlanAmendmentsAfterTax",
     "crdr": "debit",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsActuarialGainsandLossesandAssumptionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedTerseLabel": "Plan amendments",
        "label": "Other Comprehensive Income (Loss), Defined Benefit Plan, Plan Amendments, After Tax",
        "documentation": "Other Comprehensive Income (Loss), Defined Benefit Plan, Plan Amendments, After Tax"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofComprehensiveIncome": {
       "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTax",
       "weight": 1.0,
       "order": 6.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofComprehensiveIncome",
      "http://www.tristategt.org/role/ConsolidatedStatementsofEquity",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsActuarialGainsandLossesandAssumptionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Curtailment and settlement",
        "label": "Other Comprehensive Income (Loss), Defined Benefit Plan, Settlement and Curtailment Gain (Loss), after Tax",
        "documentation": "Amount, after tax, of increase (decrease) to other comprehensive income from settlement and curtailment gain (loss) of defined benefit plan."
       }
      }
     },
     "auth_ref": [
      "r7",
      "r118",
      "r145"
     ]
    },
    "us-gaap_OtherComprehensiveIncomeLossNetOfTax": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "OtherComprehensiveIncomeLossNetOfTax",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofComprehensiveIncome": {
       "parentTag": "us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofComprehensiveIncome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Other comprehensive income (loss)",
        "label": "Other Comprehensive Income (Loss), Net of Tax",
        "documentation": "Amount after tax and reclassification adjustments of other comprehensive income (loss)."
       }
      }
     },
     "auth_ref": [
      "r16",
      "r18",
      "r225",
      "r228",
      "r235",
      "r501",
      "r502",
      "r507",
      "r536",
      "r550",
      "r761",
      "r762"
     ]
    },
    "us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract",
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofComprehensiveIncome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other comprehensive income (loss):",
        "label": "Other Comprehensive Income (Loss), Net of Tax [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofComprehensiveIncome": {
       "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTax",
       "weight": -1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofComprehensiveIncome",
      "http://www.tristategt.org/role/ConsolidatedStatementsofEquity",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsActuarialGainsandLossesandAssumptionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Amortization of actuarial (gain) loss",
        "negatedTerseLabel": "Reclassification adjustment for actuarial (gain) loss",
        "label": "Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax",
        "documentation": "Amount, after tax, of reclassification adjustment from accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan."
       }
      }
     },
     "auth_ref": [
      "r7",
      "r118",
      "r223",
      "r409"
     ]
    },
    "us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofComprehensiveIncome": {
       "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTax",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofComprehensiveIncome",
      "http://www.tristategt.org/role/ConsolidatedStatementsofEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Unrealized loss on securities available for sale",
        "label": "OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax",
        "documentation": "Amount, after tax and before adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale."
       }
      }
     },
     "auth_ref": [
      "r221",
      "r222",
      "r292"
     ]
    },
    "tris_OtherCostMethodInvestmentsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "OtherCostMethodInvestmentsMember",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESInvestmentsinOtherAssociationsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other",
        "label": "Other Cost Method Investments [Member]",
        "documentation": "Information pertaining to other cost method investments."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_OtherDeferredCostsNet": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "OtherDeferredCostsNet",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESOtherDeferredChargesDetails": {
       "parentTag": "us-gaap_DeferredCostsCurrentAndNoncurrent",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESOtherDeferredChargesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other",
        "label": "Other Deferred Costs, Net",
        "documentation": "Net amount of other deferred costs capitalized at the end of the reporting period. Does not include deferred finance costs or deferred acquisition costs of insurance companies."
       }
      }
     },
     "auth_ref": [
      "r756"
     ]
    },
    "tris_OtherDeferredCreditsAndOtherLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "OtherDeferredCreditsAndOtherLiabilities",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": "tris_DeferredCreditsRegulatoryLiabilitiesAndOtherLiabilities",
       "weight": 1.0,
       "order": 4.0
      },
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESOtherDeferredCreditsandOtherLiabilitiesDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESOtherDeferredCreditsandOtherLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other",
        "totalLabel": "Total other deferred credits and other liabilities",
        "label": "Other Deferred Credits And Other Liabilities",
        "documentation": "Total carrying amount as of the balance sheet date of other deferred credits and other obligations not separately disclosed in the balance sheet."
       }
      }
     },
     "auth_ref": []
    },
    "tris_OtherDeferredCreditsAndOtherLiabilitiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "OtherDeferredCreditsAndOtherLiabilitiesAbstract",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESOtherDeferredCreditsandOtherLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other Deferred Credits and Other Liabilities [Abstract]",
        "label": "Other Deferred Credits And Other Liabilities [Abstract]",
        "documentation": "Other Deferred Credits And Other Liabilities"
       }
      }
     },
     "auth_ref": []
    },
    "tris_OtherDeferredCreditsAndOtherLiabilitiesPolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "OtherDeferredCreditsAndOtherLiabilitiesPolicyTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "OTHER DEFERRED CREDITS AND OTHER LIABILITIES",
        "label": "Other Deferred Credits And Other Liabilities [Policy Text Block]",
        "documentation": "Disclosure of accounting policy for other deferred credits and other liabilities."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_OtherLiabilitiesNoncurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "OtherLiabilitiesNoncurrent",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESOtherDeferredCreditsandOtherLiabilitiesDetails": {
       "parentTag": "tris_OtherDeferredCreditsAndOtherLiabilities",
       "weight": 1.0,
       "order": 7.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESOtherDeferredCreditsandOtherLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other",
        "label": "Other Liabilities, Noncurrent",
        "documentation": "Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer."
       }
      }
     },
     "auth_ref": [
      "r30"
     ]
    },
    "tris_OtherLimitedPartnersMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "OtherLimitedPartnersMember",
     "presentation": [
      "http://www.tristategt.org/role/VARIABLEINTERESTENTITIESDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other Limited Partners",
        "label": "Other Limited Partners [Member]",
        "documentation": "Information pertaining to the other limited partners in the partnership."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_OtherNoncurrentLiabilitiesTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "OtherNoncurrentLiabilitiesTableTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Schedule of Other Deferred Credits and Other Liabilities",
        "label": "Other Noncurrent Liabilities [Table Text Block]",
        "documentation": "Tabular disclosure of other noncurrent liabilities."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_OtherNonoperatingIncomeExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "OtherNonoperatingIncomeExpense",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations": {
       "parentTag": "us-gaap_NonoperatingIncomeExpense",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other",
        "label": "Other Nonoperating Income (Expense)",
        "documentation": "Amount of income (expense) related to nonoperating activities, classified as other."
       }
      }
     },
     "auth_ref": [
      "r127"
     ]
    },
    "us-gaap_OtherOperatingActivitiesCashFlowStatement": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "OtherOperatingActivitiesCashFlowStatement",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0,
       "order": 17.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other",
        "label": "Other Operating Activities, Cash Flow Statement",
        "documentation": "Other cash or noncash adjustments to reconcile net income to cash provided by (used in) operating activities that are not separately disclosed in the statement of cash flows (for example, cash received or cash paid during the current period for miscellaneous operating activities, net change during the reporting period in other assets or other liabilities)."
       }
      }
     },
     "auth_ref": []
    },
    "tris_OtherOperatingRevenueIncludingRevenueFromContractWithCustomer": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "OtherOperatingRevenueIncludingRevenueFromContractWithCustomer",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations": {
       "parentTag": "us-gaap_Revenues",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations",
      "http://www.tristategt.org/role/REVENUESummaryDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other",
        "label": "Other Operating Revenue Including Revenue From Contract With Customer",
        "documentation": "Amount of operating revenue classified as other including revenue from contract with customer."
       }
      }
     },
     "auth_ref": []
    },
    "tris_OtherOperatingRevenueMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "OtherOperatingRevenueMember",
     "presentation": [
      "http://www.tristategt.org/role/CONTRACTASSETSANDCONTRACTLIABILITIESDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other operating revenue",
        "label": "Other Operating Revenue [Member]",
        "documentation": "Primary financial statement caption encompassing other operating revenue."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_OtherPlantInServiceMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "OtherPlantInServiceMember",
     "presentation": [
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTElectricPlantDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other",
        "label": "Other Plant in Service [Member]",
        "documentation": "Plant used for the processing, transmission, or distribution of materials, classified as other."
       }
      }
     },
     "auth_ref": [
      "r172"
     ]
    },
    "us-gaap_OtherReceivablesNetCurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "OtherReceivablesNetCurrent",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/CONTRACTASSETSANDCONTRACTLIABILITIESDetails",
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other accounts receivable",
        "label": "Other Receivables, Net, Current",
        "documentation": "Amount, after allowance, of receivables classified as other, due within one year or the operating cycle, if longer."
       }
      }
     },
     "auth_ref": []
    },
    "tris_OtherRenewablesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "OtherRenewablesMember",
     "presentation": [
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESElectricPowerPurchaseAgreementsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other Renewables",
        "label": "Other Renewables [Member]",
        "documentation": "Information pertaining to other renewable energy sources."
       }
      }
     },
     "auth_ref": []
    },
    "tris_OtherRevenueMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "OtherRevenueMember",
     "presentation": [
      "http://www.tristategt.org/role/CONTRACTASSETSANDCONTRACTLIABILITIESDetails",
      "http://www.tristategt.org/role/REVENUESummaryDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other",
        "label": "Other Revenue [Member]",
        "documentation": "Information pertaining to revenue classified as other."
       }
      }
     },
     "auth_ref": []
    },
    "tris_OwnedGeneratingStationsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "OwnedGeneratingStationsMember",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESInventoriesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Owned Generating Stations",
        "label": "Owned Generating Stations [Member]",
        "documentation": "Information pertaining to generating stations owned by the utility."
       }
      }
     },
     "auth_ref": []
    },
    "srt_OwnershipAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/srt/2023",
     "localname": "OwnershipAxis",
     "presentation": [
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTOtherPlantDetails",
      "http://www.tristategt.org/role/VARIABLEINTERESTENTITIESDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Ownership [Axis]",
        "label": "Ownership [Axis]",
        "documentation": "Information by name of entity in which ownership interest is disclosed. Excludes equity method investee and named security investment."
       }
      }
     },
     "auth_ref": []
    },
    "srt_OwnershipDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2023",
     "localname": "OwnershipDomain",
     "presentation": [
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTOtherPlantDetails",
      "http://www.tristategt.org/role/VARIABLEINTERESTENTITIESDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Ownership [Domain]",
        "label": "Ownership [Domain]",
        "documentation": "Name of entity in which ownership interest is disclosed. Excludes equity method investee and named security investment."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PartnersCapitalAccountDistributions": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "PartnersCapitalAccountDistributions",
     "crdr": "debit",
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Retirement of patronage capital",
        "label": "Partners' Capital Account, Distributions",
        "documentation": "Total distributions to each class of partners (i.e., general, limited and preferred partners)."
       }
      }
     },
     "auth_ref": [
      "r143",
      "r144"
     ]
    },
    "tris_PaymentsForRetirementOfPatronageCapital": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "PaymentsForRetirementOfPatronageCapital",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": -1.0,
       "order": 6.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Retirement of patronage capital",
        "label": "Payments For Retirement Of Patronage Capital",
        "documentation": "Amount of cash outflow to distribute patronage capital retirements."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PaymentsOfDebtIssuanceCosts": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "PaymentsOfDebtIssuanceCosts",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": -1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedTerseLabel": "Debt issuance costs",
        "label": "Payments of Debt Issuance Costs",
        "documentation": "The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt."
       }
      }
     },
     "auth_ref": [
      "r41"
     ]
    },
    "us-gaap_PaymentsToAcquirePropertyPlantAndEquipment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "PaymentsToAcquirePropertyPlantAndEquipment",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": -1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Purchases of plant",
        "label": "Payments to Acquire Property, Plant, and Equipment",
        "documentation": "The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets."
       }
      }
     },
     "auth_ref": [
      "r129"
     ]
    },
    "us-gaap_PaymentsToMinorityShareholders": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "PaymentsToMinorityShareholders",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": -1.0,
       "order": 7.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Equity distribution to noncontrolling interest",
        "label": "Payments to Noncontrolling Interests",
        "documentation": "Amount of cash outflow to a noncontrolling interest. Includes, but not limited to, reduction of noncontrolling interest ownership. Excludes dividends paid to the noncontrolling interest."
       }
      }
     },
     "auth_ref": [
      "r39"
     ]
    },
    "us-gaap_PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesCurrentAndNoncurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesCurrentAndNoncurrent",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Accumulated postretirement benefit and postemployment obligations",
        "label": "Liability, Retirement and Postemployment Benefits",
        "documentation": "Amount of liability, recognized in statement of financial position, for pension, other postretirement and postemployment benefits."
       }
      }
     },
     "auth_ref": [
      "r61",
      "r62",
      "r163"
     ]
    },
    "us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "PensionAndOtherPostretirementBenefitsDisclosureTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANS"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "EMPLOYEE BENEFIT PLANS",
        "label": "Retirement Benefits [Text Block]",
        "documentation": "The entire disclosure for retirement benefits."
       }
      }
     },
     "auth_ref": [
      "r365",
      "r389",
      "r391",
      "r397",
      "r415",
      "r417",
      "r418",
      "r419",
      "r420",
      "r421",
      "r433",
      "r434",
      "r436",
      "r695"
     ]
    },
    "us-gaap_PensionPlansDefinedBenefitMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "PensionPlansDefinedBenefitMember",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedBenefitPlanDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Multiemployer Plans, Pension",
        "label": "Pension Plan [Member]",
        "documentation": "Plan designed to provide participant with pension benefits. Includes, but is not limited to, defined benefit and defined contribution plans. Excludes other postretirement benefits."
       }
      }
     },
     "auth_ref": [
      "r366",
      "r368",
      "r369",
      "r370",
      "r371",
      "r372",
      "r373",
      "r374",
      "r375",
      "r376",
      "r377",
      "r378",
      "r379",
      "r380",
      "r381",
      "r382",
      "r383",
      "r384",
      "r385",
      "r386",
      "r387",
      "r388",
      "r389",
      "r390",
      "r392",
      "r393",
      "r394",
      "r395",
      "r396",
      "r397",
      "r398",
      "r399",
      "r400",
      "r401",
      "r402",
      "r403",
      "r404",
      "r405",
      "r406",
      "r407",
      "r408",
      "r409",
      "r410",
      "r412",
      "r413",
      "r414",
      "r416",
      "r419",
      "r422",
      "r423",
      "r424",
      "r425",
      "r426",
      "r427",
      "r428",
      "r429",
      "r430",
      "r431",
      "r432",
      "r436",
      "r437",
      "r448",
      "r695",
      "r696",
      "r700",
      "r701",
      "r702"
     ]
    },
    "us-gaap_PortionAtFairValueFairValueDisclosureMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "PortionAtFairValueFairValueDisclosureMember",
     "presentation": [
      "http://www.tristategt.org/role/FAIRVALUEDetails",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESMarketableSecuritiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Portion at Fair Value Measurement",
        "label": "Portion at Fair Value Measurement [Member]",
        "documentation": "Measured at fair value for financial reporting purposes."
       }
      }
     },
     "auth_ref": [
      "r498"
     ]
    },
    "tris_PostemploymentMedicalBenefitPlansMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "PostemploymentMedicalBenefitPlansMember",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsDetails",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsPlansAmendmentsandObligationsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Postemployment Medical Benefit Plans",
        "label": "Postemployment Medical Benefit Plans [Member]",
        "documentation": "Unfunded contributory medical plans that provide postemployment medical benefits to non-bargaining unit employees on long-term disability."
       }
      }
     },
     "auth_ref": []
    },
    "tris_PostretirementMedicalBenefitPlansMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "PostretirementMedicalBenefitPlansMember",
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofComprehensiveIncome",
      "http://www.tristategt.org/role/ConsolidatedStatementsofEquity",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSExpectedFutureBenefitsDetails",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsActuarialGainsandLossesandAssumptionsDetails",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsDetails",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsPlansAmendmentsandObligationsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Postretirement Medical Benefit Plans",
        "label": "Postretirement Medical Benefit Plans [Member]",
        "documentation": "Unfunded contributory medical plans that provide postretirement medical benefits to non-bargaining unit employees."
       }
      }
     },
     "auth_ref": []
    },
    "tris_PreliminarySurveysPlansAndInvestigations": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "PreliminarySurveysPlansAndInvestigations",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESOtherDeferredChargesDetails": {
       "parentTag": "us-gaap_DeferredCostsCurrentAndNoncurrent",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESOtherDeferredChargesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Preliminary surveys and investigations",
        "label": "Preliminary Surveys, Plans And Investigations",
        "documentation": "Expenditures for preliminary surveys, plans and investigations for the purpose of determining the feasibility of contemplated generation and transmission projects which will be amortized over the life of the project."
       }
      }
     },
     "auth_ref": []
    },
    "tris_PrepaidExpensesRegulatoryAssetsAndDeferredCosts": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "PrepaidExpensesRegulatoryAssetsAndDeferredCosts",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": "us-gaap_Assets",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Total deferred charges",
        "label": "Prepaid Expenses, Regulatory Assets And Deferred Costs",
        "documentation": "Sum of the carrying amounts as of the balance sheet date of prepaid expenses, regulatory assets, and deferred costs capitalized at the end of the reporting period."
       }
      }
     },
     "auth_ref": []
    },
    "tris_PrepaidRetirementAndSecurityPlanExpenses": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "PrepaidRetirementAndSecurityPlanExpenses",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": "tris_PrepaidExpensesRegulatoryAssetsAndDeferredCosts",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Prepayment\u2014NRECA Retirement Security Plan",
        "label": "Prepaid Retirement And Security Plan Expenses",
        "documentation": "Amount of asset related to consideration paid in advance for retirement and security plan expenses."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ProceedsFromIssuanceOfLongTermDebt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ProceedsFromIssuanceOfLongTermDebt",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Proceeds from issuance of long-term debt",
        "label": "Proceeds from Issuance of Long-Term Debt",
        "documentation": "The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer."
       }
      }
     },
     "auth_ref": [
      "r38",
      "r575"
     ]
    },
    "us-gaap_ProceedsFromIssuanceOfSecuredDebt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ProceedsFromIssuanceOfSecuredDebt",
     "crdr": "debit",
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTNarrativeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Proceeds from issuance of secured debt",
        "label": "Proceeds from Issuance of Secured Debt",
        "documentation": "The cash inflow from amounts received from issuance of long-term debt that is wholly or partially secured by collateral. Excludes proceeds from tax exempt secured debt."
       }
      }
     },
     "auth_ref": [
      "r38"
     ]
    },
    "tris_ProceedsFromPaymentsAppliedMemberAdvances": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "ProceedsFromPaymentsAppliedMemberAdvances",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Changes in Member advances",
        "label": "Proceeds From (Payments Applied) Member Advances",
        "documentation": "Decrease in advances from members which are received in advance of future billings."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ProceedsFromPaymentsForOtherFinancingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ProceedsFromPaymentsForOtherFinancingActivities",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": 1.0,
       "order": 8.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other",
        "label": "Proceeds from (Payments for) Other Financing Activities",
        "documentation": "Amount of cash inflow (outflow) from financing activities classified as other."
       }
      }
     },
     "auth_ref": [
      "r738",
      "r764"
     ]
    },
    "us-gaap_ProceedsFromRepaymentsOfShortTermDebt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ProceedsFromRepaymentsOfShortTermDebt",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": 1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Change in short-term borrowings, net",
        "label": "Proceeds from (Repayments of) Short-Term Debt",
        "documentation": "The net cash inflow or outflow for borrowing having initial term of repayment within one year or the normal operating cycle, if longer."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ProceedsFromSaleAndMaturityOfOtherInvestments": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ProceedsFromSaleAndMaturityOfOtherInvestments",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Proceeds from other investments",
        "label": "Proceeds from Sale and Maturity of Other Investments",
        "documentation": "The cash inflow associated with the sale and maturity (principal being due) of other investments, prepayment and call (request of early payment) of other investments not otherwise defined in the taxonomy."
       }
      }
     },
     "auth_ref": [
      "r37"
     ]
    },
    "tris_ProceedsFromSettlementOfInterestRateSwaps": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "ProceedsFromSettlementOfInterestRateSwaps",
     "crdr": "debit",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Deferral of realized gain",
        "label": "Proceeds From Settlement Of Interest Rate Swaps",
        "documentation": "Proceeds from the settlement of interest rate swaps."
       }
      }
     },
     "auth_ref": []
    },
    "srt_ProductOrServiceAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/srt/2023",
     "localname": "ProductOrServiceAxis",
     "presentation": [
      "http://www.tristategt.org/role/CONTRACTASSETSANDCONTRACTLIABILITIESDetails",
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations",
      "http://www.tristategt.org/role/ORGANIZATIONDetails",
      "http://www.tristategt.org/role/REVENUENarrativeDetails",
      "http://www.tristategt.org/role/REVENUESummaryDetails",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Product and Service [Axis]",
        "label": "Product and Service [Axis]",
        "documentation": "Information by product and service, or group of similar products and similar services."
       }
      }
     },
     "auth_ref": [
      "r287",
      "r535",
      "r556",
      "r557",
      "r558",
      "r559",
      "r560",
      "r561",
      "r667",
      "r686",
      "r716",
      "r742",
      "r787",
      "r789",
      "r799",
      "r881"
     ]
    },
    "us-gaap_ProductiveLandMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ProductiveLandMember",
     "presentation": [
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTOtherPlantDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Mine assets",
        "label": "Productive Land [Member]",
        "documentation": "Land containing resources that are subject to depletion. Examples include, but are not limited to, mines, timberland and landfills."
       }
      }
     },
     "auth_ref": [
      "r11"
     ]
    },
    "srt_ProductsAndServicesDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2023",
     "localname": "ProductsAndServicesDomain",
     "presentation": [
      "http://www.tristategt.org/role/CONTRACTASSETSANDCONTRACTLIABILITIESDetails",
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations",
      "http://www.tristategt.org/role/ORGANIZATIONDetails",
      "http://www.tristategt.org/role/REVENUENarrativeDetails",
      "http://www.tristategt.org/role/REVENUESummaryDetails",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Product and Service [Domain]",
        "label": "Product and Service [Domain]",
        "documentation": "Product or service, or a group of similar products or similar services."
       }
      }
     },
     "auth_ref": [
      "r287",
      "r535",
      "r556",
      "r557",
      "r558",
      "r559",
      "r560",
      "r561",
      "r667",
      "r686",
      "r716",
      "r742",
      "r787",
      "r789",
      "r799",
      "r881"
     ]
    },
    "us-gaap_ProfitLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ProfitLoss",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations": {
       "parentTag": "us-gaap_NetIncomeLoss",
       "weight": 1.0,
       "order": 1.0
      },
      "http://www.tristategt.org/role/ConsolidatedStatementsofComprehensiveIncome": {
       "parentTag": "us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest",
       "weight": 1.0,
       "order": 1.0
      },
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows",
      "http://www.tristategt.org/role/ConsolidatedStatementsofComprehensiveIncome",
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Net margins including noncontrolling interest",
        "terseLabel": "Net margins including noncontrolling interest",
        "label": "Net Income (Loss), Including Portion Attributable to Noncontrolling Interest",
        "documentation": "The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest."
       }
      }
     },
     "auth_ref": [
      "r209",
      "r224",
      "r227",
      "r240",
      "r244",
      "r252",
      "r259",
      "r260",
      "r264",
      "r278",
      "r284",
      "r286",
      "r298",
      "r314",
      "r315",
      "r317",
      "r318",
      "r319",
      "r321",
      "r323",
      "r325",
      "r326",
      "r483",
      "r486",
      "r487",
      "r497",
      "r500",
      "r540",
      "r547",
      "r580",
      "r616",
      "r633",
      "r634",
      "r676",
      "r704",
      "r705",
      "r725",
      "r763",
      "r791"
     ]
    },
    "us-gaap_ProjectMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ProjectMember",
     "presentation": [
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESElectricPowerPurchaseAgreementsDetails",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Project [Domain]",
        "label": "Project [Domain]",
        "documentation": "Planned program of work."
       }
      }
     },
     "auth_ref": [
      "r101"
     ]
    },
    "us-gaap_PropertyPlantAndEquipmentByTypeAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "PropertyPlantAndEquipmentByTypeAxis",
     "presentation": [
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTOtherPlantDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Property, Plant and Equipment, Type [Axis]",
        "label": "Long-Lived Tangible Asset [Axis]",
        "documentation": "Information by type of long-lived, physical assets used to produce goods and services and not intended for resale."
       }
      }
     },
     "auth_ref": [
      "r11"
     ]
    },
    "us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "PropertyPlantAndEquipmentDisclosureTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENT"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "PROPERTY, PLANT AND EQUIPMENT",
        "label": "Property, Plant and Equipment Disclosure [Text Block]",
        "documentation": "The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections."
       }
      }
     },
     "auth_ref": [
      "r134",
      "r184",
      "r187",
      "r188"
     ]
    },
    "us-gaap_PropertyPlantAndEquipmentLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "PropertyPlantAndEquipmentLineItems",
     "presentation": [
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTOtherPlantDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Property, Plant and Equipment [Line Items]",
        "label": "Property, Plant and Equipment [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": []
    },
    "us-gaap_PropertyPlantAndEquipmentNetByTypeAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "PropertyPlantAndEquipmentNetByTypeAbstract",
     "presentation": [
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTOtherPlantDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other Plant Assets",
        "label": "Property, Plant and Equipment, Net, by Type [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PropertyPlantAndEquipmentOther": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "PropertyPlantAndEquipmentOther",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": "us-gaap_PropertyPlantAndEquipmentOtherNet",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition",
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTOtherPlantDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Other plant",
        "terseLabel": "Other plant assets",
        "label": "Property, Plant and Equipment, Other, Gross",
        "documentation": "Amount before accumulated depreciation, depletion and amortization of other physical assets used in the normal conduct of business to produce goods and services and not intended for resale."
       }
      }
     },
     "auth_ref": [
      "r11"
     ]
    },
    "us-gaap_PropertyPlantAndEquipmentOtherNet": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "PropertyPlantAndEquipmentOtherNet",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": "tris_PublicUtilitiesAndOtherPropertyPlantAndEquipmentPropertyPlantAndEquipmentNet",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition",
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTOtherPlantDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Net other plant",
        "label": "Property, Plant and Equipment, Other, Net",
        "documentation": "Amount after depreciation of long-lived, physical assets used to produce goods and services and not intended for resale, classified as other."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PropertyPlantAndEquipmentTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "PropertyPlantAndEquipmentTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Schedule of Other Plant Assets (Excluding Utility Assets)",
        "label": "Property, Plant and Equipment [Table Text Block]",
        "documentation": "Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation."
       }
      }
     },
     "auth_ref": [
      "r11"
     ]
    },
    "us-gaap_PropertyPlantAndEquipmentTypeDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "PropertyPlantAndEquipmentTypeDomain",
     "presentation": [
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTOtherPlantDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Property, Plant and Equipment, Type [Domain]",
        "label": "Long-Lived Tangible Asset [Domain]",
        "documentation": "Listing of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software."
       }
      }
     },
     "auth_ref": [
      "r135"
     ]
    },
    "tris_ProvisionForRateRefundsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "ProvisionForRateRefundsMember",
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations",
      "http://www.tristategt.org/role/REVENUESummaryDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Provision for rate refunds",
        "label": "Provision For Rate Refunds [Member]",
        "documentation": "Provision For Rate Refunds"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest",
     "crdr": "debit",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESElectricPlantandDepreciationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Interest capitalized during construction",
        "label": "Allowance for Funds Used During Construction, Capitalized Interest",
        "documentation": "Amount capitalized of allowance for funds used during construction."
       }
      }
     },
     "auth_ref": [
      "r110"
     ]
    },
    "tris_PublicUtilitiesAndOtherPropertyPlantAndEquipmentPropertyPlantAndEquipmentNet": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "PublicUtilitiesAndOtherPropertyPlantAndEquipmentPropertyPlantAndEquipmentNet",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": "us-gaap_Assets",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Total property, plant and equipment",
        "label": "Public Utilities And Other Property, Plant, And Equipment, Property, Plant And Equipment, Net",
        "documentation": "Period end amount of public utility total net PPE and other property, plant and equipment."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PublicUtilitiesInventoryAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "PublicUtilitiesInventoryAxis",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESInventoriesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Inventory [Axis]",
        "label": "Inventory [Axis]",
        "documentation": "Information by type of inventory held."
       }
      }
     },
     "auth_ref": [
      "r758"
     ]
    },
    "us-gaap_PublicUtilitiesInventoryCoalMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "PublicUtilitiesInventoryCoalMember",
     "presentation": [
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESCoalPurchaseRequirementsDetails",
      "http://www.tristategt.org/role/REVENUESummaryDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Coal sales",
        "label": "Coal [Member]",
        "documentation": "Combustible mineral substance consisting of carbonized vegetable matter used as fuel and in production of coal gas, water gas, and coal-tar compound."
       }
      }
     },
     "auth_ref": [
      "r758",
      "r800"
     ]
    },
    "us-gaap_PublicUtilitiesInventoryTypeDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "PublicUtilitiesInventoryTypeDomain",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESInventoriesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Inventory [Domain]",
        "label": "Inventory [Domain]",
        "documentation": "Tangible personal property that is held for sale in the ordinary course of business, in process of production for such sale or is to be currently consumed in the production of goods or services to be available for sale."
       }
      }
     },
     "auth_ref": [
      "r758"
     ]
    },
    "us-gaap_PublicUtilitiesPolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "PublicUtilitiesPolicyTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "ACCOUNTING FOR RATE REGULATION",
        "label": "Public Utilities, Policy [Policy Text Block]",
        "documentation": "Disclosure of accounting policy for public utilities. Examples include a discussion about the scope criteria and appropriateness for and extent of the application of generally accepted accounting principles related to accounting for the effects of certain types of regulation (may include identification of specific business units). Other examples of the disclosures may include: descriptions of the form and economic effects of regulation (for example, but not limited to, recording of regulatory assets and liabilities to the rate setting process); statement about periodic assessments of periodic assessments of generally accepted accounting principles related to accounting for the effects of certain types of regulation; information regarding amortization of and return on regulatory assets and liabilities, including the remaining amounts and recovery or settlement periods; accounting for changes to recovery estimates; AFUDC, plant abandonment's and plant disallowances."
       }
      }
     },
     "auth_ref": [
      "r0"
     ]
    },
    "us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "PublicUtilitiesPropertyPlantAndEquipmentAbstract",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESElectricPlantandDepreciationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "ELECTRIC PLANT AND DEPRECIATION:",
        "label": "Public Utilities, Property, Plant and Equipment [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": "us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet",
       "weight": -1.0,
       "order": 2.0
      },
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTElectricPlantDetails": {
       "parentTag": "tris_PublicUtilitiesPropertyPlantAndEquipmentExcludingConstructionInProcessNet",
       "weight": -1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition",
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTElectricPlantDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Less allowances for depreciation and amortization",
        "negatedTerseLabel": "Accumulated Depreciation",
        "label": "Public Utilities, Property, Plant and Equipment, Accumulated Depreciation",
        "documentation": "Period end book value of accumulated depreciation on property, plant and equipment (PPE) that is owned by the regulated operations of the public utility."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": "us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService",
       "weight": 1.0,
       "order": 2.0
      },
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTElectricPlantDetails": {
       "parentTag": "us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition",
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTElectricPlantDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Construction work in progress",
        "label": "Public Utilities, Property, Plant and Equipment, Construction Work in Progress",
        "documentation": "Period end amount of construction work in progress in public utility."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PublicUtilitiesPropertyPlantAndEquipmentDisclosureOfCompositeDepreciationRateForPlantsInService": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "PublicUtilitiesPropertyPlantAndEquipmentDisclosureOfCompositeDepreciationRateForPlantsInService",
     "presentation": [
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTElectricPlantDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Annual Depreciation Rate (as a percent)",
        "label": "Public Utilities, Property, Plant and Equipment, Disclosure of Composite Depreciation Rate for Plants in Service",
        "documentation": "Composite depreciation rate for public utility plants in service."
       }
      }
     },
     "auth_ref": []
    },
    "tris_PublicUtilitiesPropertyPlantAndEquipmentExcludingConstructionInProcessNet": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "PublicUtilitiesPropertyPlantAndEquipmentExcludingConstructionInProcessNet",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTElectricPlantDetails": {
       "parentTag": "us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTElectricPlantDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Net Book Value",
        "label": "Public Utilities, Property, Plant And Equipment Excluding Construction In Process, Net",
        "documentation": "Period end amount of total net PPE excluding construction work in process."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PublicUtilitiesPropertyPlantAndEquipmentInterestRateOnIntermediaryDebtForElectricUtilityPlantConstruction": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "PublicUtilitiesPropertyPlantAndEquipmentInterestRateOnIntermediaryDebtForElectricUtilityPlantConstruction",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESElectricPlantandDepreciationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Interest rates charged during construction (as a percent)",
        "label": "Public Utilities, Property, Plant and Equipment, Interest Rate on Intermediary Debt for Electric Utility Plant Construction",
        "documentation": "Discloses the interest rate related to debt for plant construction for an electric utility using an intermediary for each period for which an income statement is presented."
       }
      }
     },
     "auth_ref": [
      "r178"
     ]
    },
    "us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "PublicUtilitiesPropertyPlantAndEquipmentNet",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": "tris_PublicUtilitiesAndOtherPropertyPlantAndEquipmentPropertyPlantAndEquipmentNet",
       "weight": 1.0,
       "order": 1.0
      },
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTElectricPlantDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition",
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTElectricPlantDetails",
      "http://www.tristategt.org/role/VARIABLEINTERESTENTITIESDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Net electric plant",
        "terseLabel": "Net electric plant",
        "label": "Public Utilities, Property, Plant and Equipment, Net",
        "documentation": "Period end amount of total net PPE."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNetAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "PublicUtilitiesPropertyPlantAndEquipmentNetAbstract",
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Property, plant and equipment",
        "label": "Public Utilities, Property, Plant and Equipment, Net [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "PublicUtilitiesPropertyPlantAndEquipmentPlantInService",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": "us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Total electric plant",
        "label": "Public Utilities, Property, Plant and Equipment, Plant in Service",
        "documentation": "Period end amount of total gross PPE."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInServiceAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "PublicUtilitiesPropertyPlantAndEquipmentPlantInServiceAbstract",
     "presentation": [
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTElectricPlantDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Electric Plant",
        "label": "Public Utilities, Property, Plant and Equipment, Plant in Service [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "tris_PublicUtilitiesPropertyPlantAndEquipmentPlantInServiceExcludingConstructionInProgress": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "PublicUtilitiesPropertyPlantAndEquipmentPlantInServiceExcludingConstructionInProgress",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": "us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService",
       "weight": 1.0,
       "order": 1.0
      },
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTElectricPlantDetails": {
       "parentTag": "tris_PublicUtilitiesPropertyPlantAndEquipmentExcludingConstructionInProcessNet",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition",
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTElectricPlantDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "In service",
        "terseLabel": "Plant In Service",
        "label": "Public Utilities, Property, Plant And Equipment, Plant In Service Excluding Construction In Progress",
        "documentation": "Period end amount of total gross PPE, excluding construction work in progress."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PublicUtilityAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "PublicUtilityAxis",
     "presentation": [
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTConstructionCommitmentsDetails",
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTElectricPlantDetails",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Public Utility [Axis]",
        "label": "Public Utility [Axis]",
        "documentation": "Information by type of utility plant."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PublicUtilityPropertyPlantAndEquipmentLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "PublicUtilityPropertyPlantAndEquipmentLineItems",
     "presentation": [
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTElectricPlantDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Public Utility, Property, Plant and Equipment [Line Items]",
        "label": "Public Utility, Property, Plant and Equipment [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": []
    },
    "us-gaap_PublicUtilityPropertyPlantAndEquipmentTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "PublicUtilityPropertyPlantAndEquipmentTable",
     "presentation": [
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTElectricPlantDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Public Utility, Property, Plant and Equipment [Table]",
        "label": "Public Utility, Property, Plant and Equipment [Table]",
        "documentation": "Disclosure of information about public utility physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, deprecation expense and method used, including composite depreciation, and accumulated deprecation."
       }
      }
     },
     "auth_ref": [
      "r105"
     ]
    },
    "us-gaap_PurchaseObligation": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "PurchaseObligation",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESCoalPurchaseRequirementsDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESCoalPurchaseRequirementsDetails",
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTConstructionCommitmentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Total obligation",
        "label": "Purchase Obligation",
        "documentation": "Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PurchaseObligationDueAfterFifthYear": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "PurchaseObligationDueAfterFifthYear",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESCoalPurchaseRequirementsDetails": {
       "parentTag": "us-gaap_PurchaseObligation",
       "weight": 1.0,
       "order": 6.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESCoalPurchaseRequirementsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Thereafter",
        "label": "Purchase Obligation, to be Paid, after Year Five",
        "documentation": "Amount of purchase arrangement to be paid after fifth fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PurchaseObligationDueInFifthYear": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "PurchaseObligationDueInFifthYear",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESCoalPurchaseRequirementsDetails": {
       "parentTag": "us-gaap_PurchaseObligation",
       "weight": 1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESCoalPurchaseRequirementsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "2028",
        "label": "Purchase Obligation, to be Paid, Year Five",
        "documentation": "Amount of purchase arrangement to be paid in fifth fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PurchaseObligationDueInFourthYear": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "PurchaseObligationDueInFourthYear",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESCoalPurchaseRequirementsDetails": {
       "parentTag": "us-gaap_PurchaseObligation",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESCoalPurchaseRequirementsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "2027",
        "label": "Purchase Obligation, to be Paid, Year Four",
        "documentation": "Amount of purchase arrangement to be paid in fourth fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PurchaseObligationDueInNextTwelveMonths": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "PurchaseObligationDueInNextTwelveMonths",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESCoalPurchaseRequirementsDetails": {
       "parentTag": "us-gaap_PurchaseObligation",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESCoalPurchaseRequirementsDetails",
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTConstructionCommitmentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "2024",
        "label": "Purchase Obligation, to be Paid, Year One",
        "documentation": "Amount of purchase arrangement to be paid in next fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PurchaseObligationDueInSecondYear": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "PurchaseObligationDueInSecondYear",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESCoalPurchaseRequirementsDetails": {
       "parentTag": "us-gaap_PurchaseObligation",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESCoalPurchaseRequirementsDetails",
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTConstructionCommitmentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "2025",
        "label": "Purchase Obligation, to be Paid, Year Two",
        "documentation": "Amount of purchase arrangement to be paid in second fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PurchaseObligationDueInThirdYear": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "PurchaseObligationDueInThirdYear",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESCoalPurchaseRequirementsDetails": {
       "parentTag": "us-gaap_PurchaseObligation",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESCoalPurchaseRequirementsDetails",
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTConstructionCommitmentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "2026",
        "label": "Purchase Obligation, to be Paid, Year Three",
        "documentation": "Amount of purchase arrangement to be paid in third fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_PurchaseObligationFiscalYearMaturityAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "PurchaseObligationFiscalYearMaturityAbstract",
     "presentation": [
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESCoalPurchaseRequirementsDetails",
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTConstructionCommitmentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Future commitments",
        "terseLabel": "Annual minimum coal purchases under contracts",
        "label": "Purchase Obligation, Fiscal Year Maturity [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "tris_PurchaseObligationsPurchasesMade": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "PurchaseObligationsPurchasesMade",
     "crdr": "debit",
     "presentation": [
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESCoalPurchaseRequirementsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Purchases during the period",
        "label": "Purchase Obligations, Purchases Made",
        "documentation": "The amount of purchases made during the period relating to purchase obligation agreements."
       }
      }
     },
     "auth_ref": []
    },
    "tris_PurchasedPowerExpenseMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "PurchasedPowerExpenseMember",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESInterchangePowerDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Purchased Power Expense",
        "label": "Purchased Power Expense [Member]",
        "documentation": "Primary financial statement caption encompassing purchased power expense."
       }
      }
     },
     "auth_ref": []
    },
    "tris_RSPlanContributionPrepaymentOptionMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "RSPlanContributionPrepaymentOptionMember",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedBenefitPlanDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "RS Plan Contribution Prepayment Option",
        "label": "R S Plan Contribution Prepayment Option [Member]",
        "documentation": "The option under National Rural Electric Cooperative Association Retirement Security Plan in which entity employees participate under which the entity makes a prepayment of its contribution and reduces future required contributions."
       }
      }
     },
     "auth_ref": []
    },
    "tris_RSPlanMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "RSPlanMember",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedBenefitPlanDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "RS Plan",
        "label": "R S Plan [Member]",
        "documentation": "The National Rural Electric Cooperative Association Retirement Security Plan in which entity employees participate."
       }
      }
     },
     "auth_ref": []
    },
    "srt_RangeAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/srt/2023",
     "localname": "RangeAxis",
     "presentation": [
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESLegalDetails",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedBenefitPlanDetails",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedContributionPlansDetails",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsDetails",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsPlansAmendmentsandObligationsDetails",
      "http://www.tristategt.org/role/LONGTERMDEBTNarrativeDetails",
      "http://www.tristategt.org/role/LONGTERMDEBTSummaryDetails",
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTElectricPlantDetails",
      "http://www.tristategt.org/role/SHORTTERMBORROWINGSDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Statistical Measurement [Axis]",
        "label": "Statistical Measurement [Axis]",
        "documentation": "Information by statistical measurement. Includes, but is not limited to, minimum, maximum, weighted average, arithmetic average, and median."
       }
      }
     },
     "auth_ref": [
      "r309",
      "r310",
      "r312",
      "r313",
      "r389",
      "r442",
      "r449",
      "r450",
      "r451",
      "r529",
      "r533",
      "r562",
      "r588",
      "r589",
      "r639",
      "r643",
      "r645",
      "r646",
      "r651",
      "r664",
      "r665",
      "r678",
      "r685",
      "r703",
      "r717",
      "r718",
      "r782",
      "r795",
      "r874",
      "r875",
      "r876",
      "r877",
      "r878"
     ]
    },
    "srt_RangeMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2023",
     "localname": "RangeMember",
     "presentation": [
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESLegalDetails",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedBenefitPlanDetails",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedContributionPlansDetails",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsDetails",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsPlansAmendmentsandObligationsDetails",
      "http://www.tristategt.org/role/LONGTERMDEBTNarrativeDetails",
      "http://www.tristategt.org/role/LONGTERMDEBTSummaryDetails",
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTElectricPlantDetails",
      "http://www.tristategt.org/role/SHORTTERMBORROWINGSDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Range [Domain]",
        "label": "Statistical Measurement [Domain]",
        "documentation": "Statistical measurement. Includes, but is not limited to, minimum, maximum, weighted average, arithmetic average, and median."
       }
      }
     },
     "auth_ref": [
      "r309",
      "r310",
      "r312",
      "r313",
      "r389",
      "r442",
      "r449",
      "r450",
      "r451",
      "r529",
      "r533",
      "r562",
      "r588",
      "r589",
      "r639",
      "r643",
      "r645",
      "r646",
      "r651",
      "r664",
      "r665",
      "r678",
      "r685",
      "r703",
      "r717",
      "r718",
      "r782",
      "r795",
      "r874",
      "r875",
      "r876",
      "r877",
      "r878"
     ]
    },
    "tris_RateStabilizationMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "RateStabilizationMember",
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations",
      "http://www.tristategt.org/role/REVENUENarrativeDetails",
      "http://www.tristategt.org/role/REVENUESummaryDetails",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Rate stabilization",
        "label": "Rate Stabilization [Member]",
        "documentation": "Rate Stabilization"
       }
      }
     },
     "auth_ref": []
    },
    "srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/srt/2023",
     "localname": "RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis",
     "presentation": [
      "http://www.tristategt.org/role/ASSETRETIREMENTANDENVIRONMENTALRECLAMATIONOBLIGATIONSNarrativeDetails",
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTOtherPlantDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Name of Property [Axis]",
        "label": "Name of Property [Axis]",
        "documentation": "Information by name of property."
       }
      }
     },
     "auth_ref": [
      "r195",
      "r206",
      "r663",
      "r743",
      "r744",
      "r745",
      "r746",
      "r747",
      "r748",
      "r749",
      "r750",
      "r885",
      "r886",
      "r887",
      "r888",
      "r889",
      "r890",
      "r891",
      "r892"
     ]
    },
    "srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2023",
     "localname": "RealEstateAndAccumulatedDepreciationNameOfPropertyDomain",
     "presentation": [
      "http://www.tristategt.org/role/ASSETRETIREMENTANDENVIRONMENTALRECLAMATIONOBLIGATIONSNarrativeDetails",
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTOtherPlantDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Name of Property [Domain]",
        "label": "Name of Property [Domain]",
        "documentation": "Name of the property, for example, but not limited to, ABC Shopping Center."
       }
      }
     },
     "auth_ref": [
      "r195",
      "r663",
      "r743",
      "r744",
      "r745",
      "r746",
      "r747",
      "r748",
      "r749",
      "r750",
      "r885",
      "r886",
      "r887",
      "r888",
      "r889",
      "r890",
      "r891",
      "r892"
     ]
    },
    "us-gaap_ReceivableTypeDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ReceivableTypeDomain",
     "presentation": [
      "http://www.tristategt.org/role/CONTRACTASSETSANDCONTRACTLIABILITIESDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Receivable [Domain]",
        "label": "Receivable [Domain]",
        "documentation": "Financing arrangement representing a contractual right to receive money either on demand or on fixed and determinable dates."
       }
      }
     },
     "auth_ref": [
      "r32"
     ]
    },
    "us-gaap_RegulatedEntityOtherAssetsNoncurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "RegulatedEntityOtherAssetsNoncurrent",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": "tris_OtherAssetsAndInvestments",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other noncurrent assets",
        "label": "Regulated Entity, Other Assets, Noncurrent",
        "documentation": "Total of noncurrent other assets held by public utility entities."
       }
      }
     },
     "auth_ref": [
      "r756"
     ]
    },
    "us-gaap_RegulatedEntityOtherAssetsNoncurrentAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "RegulatedEntityOtherAssetsNoncurrentAbstract",
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other assets and investments",
        "label": "Regulated Entity, Other Assets, Noncurrent [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_RegulatoryAssetAmortizationPeriod": {
     "xbrltype": "durationItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "RegulatoryAssetAmortizationPeriod",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Amortization period",
        "label": "Regulatory Asset, Amortization Period",
        "documentation": "Amortization period for the recovery of regulatory asset, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days."
       }
      }
     },
     "auth_ref": []
    },
    "tris_RegulatoryAssetAndLiabilityLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "RegulatoryAssetAndLiabilityLineItems",
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESNetDeferredTaxLiabilityDetails",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Regulatory Asset and Liability [Line Items]",
        "label": "Regulatory Asset And Liability [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": []
    },
    "us-gaap_RegulatoryAssetAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "RegulatoryAssetAxis",
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESNetDeferredTaxLiabilityDetails",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails",
      "http://www.tristategt.org/role/VARIABLEINTERESTENTITIESDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Regulatory Asset [Axis]",
        "label": "Regulatory Asset [Axis]",
        "documentation": "Information by type of regulatory asset."
       }
      }
     },
     "auth_ref": [
      "r106",
      "r109",
      "r171"
     ]
    },
    "us-gaap_RegulatoryAssetDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "RegulatoryAssetDomain",
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESNetDeferredTaxLiabilityDetails",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails",
      "http://www.tristategt.org/role/VARIABLEINTERESTENTITIESDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Regulatory Asset [Domain]",
        "label": "Regulatory Asset [Domain]",
        "documentation": "Rate action of a regulator resulting in capitalization of costs incurred."
       }
      }
     },
     "auth_ref": [
      "r171"
     ]
    },
    "us-gaap_RegulatoryAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "RegulatoryAssets",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": "tris_PrepaidExpensesRegulatoryAssetsAndDeferredCosts",
       "weight": 1.0,
       "order": 1.0
      },
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails": {
       "parentTag": "us-gaap_NetRegulatoryAssets",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition",
      "http://www.tristategt.org/role/INCOMETAXESNetDeferredTaxLiabilityDetails",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Regulatory assets",
        "label": "Regulatory Asset",
        "documentation": "The amount for the individual regulatory asset as itemized in a table of regulatory assets as of the end of the period."
       }
      }
     },
     "auth_ref": [
      "r171"
     ]
    },
    "us-gaap_RegulatoryLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "RegulatoryLiabilities",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": "tris_DeferredCreditsRegulatoryLiabilitiesAndOtherLiabilities",
       "weight": 1.0,
       "order": 1.0
      },
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails": {
       "parentTag": "us-gaap_NetRegulatoryAssets",
       "weight": -1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Regulatory liabilities",
        "label": "Regulatory Liability",
        "documentation": "The amount for the individual regulatory liability as itemized in a table of regulatory liabilities as of the end of the period."
       }
      }
     },
     "auth_ref": [
      "r173"
     ]
    },
    "us-gaap_RegulatoryLiabilityAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "RegulatoryLiabilityAxis",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Regulatory Liability [Axis]",
        "label": "Regulatory Liability [Axis]",
        "documentation": "Information by type of regulatory liability."
       }
      }
     },
     "auth_ref": [
      "r173"
     ]
    },
    "us-gaap_RegulatoryLiabilityDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "RegulatoryLiabilityDomain",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Regulatory Liability [Domain]",
        "label": "Regulatory Liability [Domain]",
        "documentation": "Rate action of a regulator resulting in accrual of costs or expenses."
       }
      }
     },
     "auth_ref": [
      "r173"
     ]
    },
    "us-gaap_RepaymentsOfLongTermDebt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "RepaymentsOfLongTermDebt",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows": {
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": -1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Payments of long-term debt",
        "label": "Repayments of Long-Term Debt",
        "documentation": "The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer."
       }
      }
     },
     "auth_ref": [
      "r40",
      "r576"
     ]
    },
    "srt_ReportableLegalEntitiesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2023",
     "localname": "ReportableLegalEntitiesMember",
     "presentation": [
      "http://www.tristategt.org/role/VARIABLEINTERESTENTITIESDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Reportable Legal Entities",
        "label": "Reportable Legal Entities [Member]",
        "documentation": "Legal entities of the consolidated entity reporting separate financial information in the entity's financial statements."
       }
      }
     },
     "auth_ref": [
      "r248",
      "r751",
      "r754",
      "r755",
      "r790",
      "r793",
      "r794"
     ]
    },
    "srt_RepurchaseAgreementCounterpartyNameDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2023",
     "localname": "RepurchaseAgreementCounterpartyNameDomain",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Counterparty Name [Domain]",
        "label": "Counterparty Name [Domain]",
        "documentation": "Named other party that participates in a financial transaction. Examples include, but not limited to, the name of the financial institution."
       }
      }
     },
     "auth_ref": [
      "r246",
      "r247",
      "r330",
      "r347",
      "r525",
      "r671",
      "r672"
     ]
    },
    "us-gaap_RestrictedCashAndInvestmentsCurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "RestrictedCashAndInvestmentsCurrent",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Restricted cash and investments",
        "label": "Restricted Cash and Investments, Current",
        "documentation": "The current cash, cash equivalents and investments that are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. Includes current cash equivalents and investments that are similarly restricted as to withdrawal, usage or disposal."
       }
      }
     },
     "auth_ref": [
      "r658",
      "r659",
      "r760"
     ]
    },
    "us-gaap_RestrictedCashAndInvestmentsNoncurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "RestrictedCashAndInvestmentsNoncurrent",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": "tris_OtherAssetsAndInvestments",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Restricted cash and investments",
        "label": "Restricted Cash and Investments, Noncurrent",
        "documentation": "The noncurrent cash, cash equivalents and investments that is restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits classified as long-term; that is not expected to be released from such existing restrictions within one year of the balance sheet date or operating cycle, whichever is longer. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. Includes noncurrent cash equivalents and investments that are similarly restricted as to withdrawal, usage or disposal."
       }
      }
     },
     "auth_ref": [
      "r658",
      "r659"
     ]
    },
    "us-gaap_RetainedEarningsAccumulatedDeficit": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "RetainedEarningsAccumulatedDeficit",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Patronage capital equity",
        "label": "Retained Earnings (Accumulated Deficit)",
        "documentation": "Amount of accumulated undistributed earnings (deficit)."
       }
      }
     },
     "auth_ref": [
      "r116",
      "r143",
      "r544",
      "r566",
      "r568",
      "r577",
      "r597",
      "r715"
     ]
    },
    "us-gaap_RetainedEarningsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "RetainedEarningsMember",
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Patronage capital",
        "label": "Retained Earnings [Member]",
        "documentation": "Accumulated undistributed earnings (deficit)."
       }
      }
     },
     "auth_ref": [
      "r207",
      "r249",
      "r250",
      "r251",
      "r253",
      "r258",
      "r260",
      "r299",
      "r300",
      "r452",
      "r453",
      "r454",
      "r472",
      "r473",
      "r490",
      "r492",
      "r493",
      "r495",
      "r496",
      "r563",
      "r565",
      "r581",
      "r884"
     ]
    },
    "tris_RetirementPlanHiringStatusAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "RetirementPlanHiringStatusAxis",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedContributionPlansDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Retirement Plan Hiring Status [Axis]",
        "label": "Retirement Plan Hiring Status [Axis]",
        "documentation": "Retirement Plan Hiring Status"
       }
      }
     },
     "auth_ref": []
    },
    "tris_RetirementPlanHiringStatusDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "RetirementPlanHiringStatusDomain",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedContributionPlansDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Retirement Plan Hiring Status [Domain]",
        "label": "Retirement Plan Hiring Status [Domain]",
        "documentation": "Retirement Plan Hiring Status [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_RetirementPlanNameAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "RetirementPlanNameAxis",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedBenefitPlanDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Multiemployer Plan Name [Axis]",
        "label": "Retirement Plan Name [Axis]",
        "documentation": "Information by name of plan designed to provide retirement benefits. Includes, but is not limited to, legal name of defined benefit and defined contribution plans."
       }
      }
     },
     "auth_ref": [
      "r439",
      "r440",
      "r441",
      "r442",
      "r443",
      "r444",
      "r445",
      "r446",
      "r447",
      "r703",
      "r739",
      "r801",
      "r802",
      "r803",
      "r804",
      "r805",
      "r806",
      "r807",
      "r808",
      "r809",
      "r810",
      "r811",
      "r812",
      "r813",
      "r814",
      "r815",
      "r816",
      "r817",
      "r818",
      "r819",
      "r820",
      "r821",
      "r822",
      "r823",
      "r824",
      "r825",
      "r826",
      "r827",
      "r828",
      "r829",
      "r830",
      "r831",
      "r832",
      "r833",
      "r834",
      "r835",
      "r836",
      "r837",
      "r838",
      "r839",
      "r840",
      "r841",
      "r842",
      "r843",
      "r844",
      "r845",
      "r846",
      "r847",
      "r848",
      "r849",
      "r850",
      "r851",
      "r852",
      "r853",
      "r854",
      "r855",
      "r856",
      "r857",
      "r858",
      "r859",
      "r860"
     ]
    },
    "us-gaap_RetirementPlanNameDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "RetirementPlanNameDomain",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedBenefitPlanDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Multiemployer Plan Name [Domain]",
        "label": "Retirement Plan Name [Domain]",
        "documentation": "Name of plan designed to provide retirement benefits. Includes, but is not limited to, legal name of defined benefit and defined contribution plans."
       }
      }
     },
     "auth_ref": [
      "r439",
      "r440",
      "r441",
      "r442",
      "r443",
      "r444",
      "r445",
      "r446",
      "r447",
      "r703",
      "r739",
      "r801",
      "r802",
      "r803",
      "r804",
      "r805",
      "r806",
      "r807",
      "r808",
      "r809",
      "r810",
      "r811",
      "r812",
      "r813",
      "r814",
      "r815",
      "r816",
      "r817",
      "r818",
      "r819",
      "r820",
      "r821",
      "r822",
      "r823",
      "r824",
      "r825",
      "r826",
      "r827",
      "r828",
      "r829",
      "r830",
      "r831",
      "r832",
      "r833",
      "r834",
      "r835",
      "r836",
      "r837",
      "r838",
      "r839",
      "r840",
      "r841",
      "r842",
      "r843",
      "r844",
      "r845",
      "r846",
      "r847",
      "r848",
      "r849",
      "r850",
      "r851",
      "r852",
      "r853",
      "r854",
      "r855",
      "r856",
      "r857",
      "r858",
      "r859",
      "r860"
     ]
    },
    "us-gaap_RetirementPlanTypeAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "RetirementPlanTypeAxis",
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofComprehensiveIncome",
      "http://www.tristategt.org/role/ConsolidatedStatementsofEquity",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedBenefitPlanDetails",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedContributionPlansDetails",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSExpectedFutureBenefitsDetails",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsActuarialGainsandLossesandAssumptionsDetails",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsDetails",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsPlansAmendmentsandObligationsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Retirement Plan Type [Axis]",
        "label": "Retirement Plan Type [Axis]",
        "documentation": "Information by type of retirement benefit plan. Includes, but is not limited to, retirement benefit arrangement for defined benefit pension and other postretirement plans, retirement benefit arrangement for defined contribution pension and other postretirement plans, and special and contractual termination benefits payable upon retirement."
       }
      }
     },
     "auth_ref": [
      "r366",
      "r368",
      "r369",
      "r370",
      "r371",
      "r372",
      "r373",
      "r374",
      "r375",
      "r376",
      "r377",
      "r378",
      "r379",
      "r380",
      "r381",
      "r382",
      "r383",
      "r384",
      "r385",
      "r386",
      "r387",
      "r388",
      "r389",
      "r390",
      "r392",
      "r393",
      "r394",
      "r395",
      "r396",
      "r397",
      "r398",
      "r399",
      "r400",
      "r401",
      "r402",
      "r403",
      "r404",
      "r405",
      "r406",
      "r407",
      "r408",
      "r409",
      "r410",
      "r412",
      "r413",
      "r414",
      "r416",
      "r419",
      "r422",
      "r423",
      "r424",
      "r425",
      "r426",
      "r427",
      "r428",
      "r429",
      "r430",
      "r431",
      "r432",
      "r436",
      "r437",
      "r438",
      "r448",
      "r695",
      "r696",
      "r697",
      "r698",
      "r699",
      "r700",
      "r701",
      "r702"
     ]
    },
    "us-gaap_RetirementPlanTypeDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "RetirementPlanTypeDomain",
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofComprehensiveIncome",
      "http://www.tristategt.org/role/ConsolidatedStatementsofEquity",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedBenefitPlanDetails",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedContributionPlansDetails",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSExpectedFutureBenefitsDetails",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsActuarialGainsandLossesandAssumptionsDetails",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsDetails",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsPlansAmendmentsandObligationsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Retirement Plan Type [Domain]",
        "label": "Retirement Plan Type [Domain]",
        "documentation": "Type of plan designed to provide participants with retirement benefits. Includes, but is not limited to, retirement benefit arrangement for defined benefit pension and other postretirement plans, retirement benefit arrangement for defined contribution pension and other postretirement plans, and special and contractual termination benefits payable upon retirement."
       }
      }
     },
     "auth_ref": [
      "r366",
      "r368",
      "r369",
      "r370",
      "r371",
      "r372",
      "r373",
      "r374",
      "r375",
      "r376",
      "r377",
      "r378",
      "r379",
      "r380",
      "r381",
      "r382",
      "r383",
      "r384",
      "r385",
      "r386",
      "r387",
      "r388",
      "r389",
      "r390",
      "r392",
      "r393",
      "r394",
      "r395",
      "r396",
      "r397",
      "r398",
      "r399",
      "r400",
      "r401",
      "r402",
      "r403",
      "r404",
      "r405",
      "r406",
      "r407",
      "r408",
      "r409",
      "r410",
      "r412",
      "r413",
      "r414",
      "r416",
      "r419",
      "r422",
      "r423",
      "r424",
      "r425",
      "r426",
      "r427",
      "r428",
      "r429",
      "r430",
      "r431",
      "r432",
      "r436",
      "r437",
      "r438",
      "r448",
      "r695",
      "r696",
      "r697",
      "r698",
      "r699",
      "r700",
      "r701",
      "r702"
     ]
    },
    "us-gaap_RevenueFromContractWithCustomerAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "RevenueFromContractWithCustomerAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Revenue from Contract with Customer [Abstract]",
        "label": "Revenue from Contract with Customer [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "RevenueFromContractWithCustomerExcludingAssessedTax",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations": {
       "parentTag": "us-gaap_Revenues",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations",
      "http://www.tristategt.org/role/ORGANIZATIONDetails",
      "http://www.tristategt.org/role/REVENUENarrativeDetails",
      "http://www.tristategt.org/role/REVENUESummaryDetails",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Operating revenues",
        "terseLabel": "Revenue from contract with customer",
        "label": "Revenue from Contract with Customer, Excluding Assessed Tax",
        "documentation": "Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise."
       }
      }
     },
     "auth_ref": [
      "r265",
      "r266",
      "r277",
      "r282",
      "r283",
      "r287",
      "r288",
      "r289",
      "r360",
      "r361",
      "r535"
     ]
    },
    "us-gaap_RevenueFromContractWithCustomerTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "RevenueFromContractWithCustomerTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/REVENUE"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "REVENUE",
        "label": "Revenue from Contract with Customer [Text Block]",
        "documentation": "The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts."
       }
      }
     },
     "auth_ref": [
      "r193",
      "r352",
      "r353",
      "r354",
      "r355",
      "r356",
      "r357",
      "r358",
      "r359",
      "r364"
     ]
    },
    "tris_RevenueFromMembershipWithdrawalSubjectToRefundMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "RevenueFromMembershipWithdrawalSubjectToRefundMember",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Membership Withdrawal",
        "label": "Revenue From Membership Withdrawal Subject To Refund [Member]",
        "documentation": "Revenue from termination fee for early withdrawal from membership resulting in deferral subject to refund to Members through reduced rates in future periods."
       }
      }
     },
     "auth_ref": []
    },
    "tris_RevenueRecognitionBarterTransactionsPolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "RevenueRecognitionBarterTransactionsPolicyTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "INTERCHANGE POWER",
        "label": "Revenue Recognition, Barter Transactions [Policy Text Block]",
        "documentation": "Describes an entity's accounting policy for revenue recognition for energy barter transactions. An energy barter transaction is a nonmonetary exchange of energy."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_RevenueRecognitionPolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "RevenueRecognitionPolicyTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "ELECTRIC SALES REVENUE AND OTHER OPERATING REVENUE",
        "label": "Revenue [Policy Text Block]",
        "documentation": "Disclosure of accounting policy for revenue. Includes revenue from contract with customer and from other sources."
       }
      }
     },
     "auth_ref": [
      "r617",
      "r666",
      "r675"
     ]
    },
    "us-gaap_RevenueSubjectToRefundMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "RevenueSubjectToRefundMember",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Deferred Revenue",
        "label": "Revenue Subject to Refund [Member]",
        "documentation": "Rate action of a regulator resulting in capitalization or accrual of revenue subject to refund."
       }
      }
     },
     "auth_ref": [
      "r108"
     ]
    },
    "us-gaap_Revenues": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "Revenues",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations": {
       "parentTag": "us-gaap_OperatingIncomeLoss",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations",
      "http://www.tristategt.org/role/REVENUESummaryDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Operating revenues",
        "label": "Revenues",
        "documentation": "Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss)."
       }
      }
     },
     "auth_ref": [
      "r234",
      "r244",
      "r265",
      "r266",
      "r277",
      "r282",
      "r283",
      "r287",
      "r288",
      "r289",
      "r298",
      "r314",
      "r315",
      "r317",
      "r318",
      "r319",
      "r321",
      "r323",
      "r325",
      "r326",
      "r500",
      "r540",
      "r791"
     ]
    },
    "us-gaap_RevenuesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "RevenuesAbstract",
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Operating revenues",
        "label": "Revenues [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "tris_RevolvingCreditAgreement2022Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "RevolvingCreditAgreement2022Member",
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTNarrativeDetails",
      "http://www.tristategt.org/role/SHORTTERMBORROWINGSDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "2022 Revolving Credit Agreement",
        "label": "Revolving Credit Agreement 2022 [Member]",
        "documentation": "Revolving Credit Agreement 2022"
       }
      }
     },
     "auth_ref": []
    },
    "tris_RifleGeneratingStationMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "RifleGeneratingStationMember",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESSegmentsandImpairmentLossesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Rifle Generating Station",
        "label": "Rifle Generating Station [Member]",
        "documentation": "Rifle Generating Station"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SalesRevenueNetMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "SalesRevenueNetMember",
     "presentation": [
      "http://www.tristategt.org/role/REVENUENarrativeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Revenue Benchmark",
        "label": "Revenue Benchmark [Member]",
        "documentation": "Revenue from sale of product and rendering of service and other sources of income, when it serves as benchmark in concentration of risk calculation."
       }
      }
     },
     "auth_ref": [
      "r289",
      "r740"
     ]
    },
    "tris_SalesRevenueProductLineGenerationMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "SalesRevenueProductLineGenerationMember",
     "presentation": [
      "http://www.tristategt.org/role/ORGANIZATIONDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Electric Sales Provided by Generation",
        "label": "Sales Revenue Product Line Generation [Member]",
        "documentation": "Revenue during the period derived from a electric sales provided by generation, after deducting returns, allowances and discounts, when it serves as a benchmark in a concentration of risk calculation."
       }
      }
     },
     "auth_ref": []
    },
    "tris_SaltLakeCityAreaIntegratedProjectsContractTerminating2024Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "SaltLakeCityAreaIntegratedProjectsContractTerminating2024Member",
     "presentation": [
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESElectricPowerPurchaseAgreementsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Salt Lake City Area Integrated Projects, Contracts Terminating 2024",
        "label": "Salt Lake City Area Integrated Projects Contract Terminating 2024 [Member]",
        "documentation": "Information pertaining to the contracts for the Salt Lake City Area Integrated Projects terminating September 30, 2024."
       }
      }
     },
     "auth_ref": []
    },
    "tris_SaltLakeCityAreaIntegratedProjectsContractTerminating2057Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "SaltLakeCityAreaIntegratedProjectsContractTerminating2057Member",
     "presentation": [
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESElectricPowerPurchaseAgreementsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Salt Lake City Area Integrated Projects, Contract Terminating 2057",
        "label": "Salt Lake City Area Integrated Projects Contract Terminating 2057 [Member]",
        "documentation": "Information pertaining to the contract for the Salt Lake City Area Integrated Projects which commences October 1, 2024 and terminates September 30, 2057."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ScheduleOfAccountsNotesLoansAndFinancingReceivableTable",
     "presentation": [
      "http://www.tristategt.org/role/CONTRACTASSETSANDCONTRACTLIABILITIESDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Schedule of Accounts, Notes, Loans and Financing Receivable [Table]",
        "label": "Schedule of Accounts, Notes, Loans and Financing Receivable [Table]",
        "documentation": "Schedule itemizing specific types of trade accounts and notes receivable, and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables."
       }
      }
     },
     "auth_ref": [
      "r32"
     ]
    },
    "tris_ScheduleOfAssetRetirementObligationAndAccrualForEnvironmentalLossContingenciesTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "ScheduleOfAssetRetirementObligationAndAccrualForEnvironmentalLossContingenciesTableTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/ASSETRETIREMENTANDENVIRONMENTALRECLAMATIONOBLIGATIONSTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Schedule of Asset Retirement Obligations and Environmental Reclamation Obligations",
        "label": "Schedule Of Asset Retirement Obligation And Accrual For Environmental Loss Contingencies [Table Text Block]",
        "documentation": "Schedule Of Asset Retirement Obligation And Accrual For Environmental Loss Contingencies"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ScheduleOfAssumptionsUsedTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ScheduleOfAssumptionsUsedTableTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Schedule of Assumptions Used in Actuarial Study Performed for Postretirement Medical Benefit Obligation",
        "label": "Defined Benefit Plan, Assumptions [Table Text Block]",
        "documentation": "Tabular disclosure of assumption used to determine benefit obligation and net periodic benefit cost of defined benefit plan. Includes, but is not limited to, discount rate, rate of compensation increase, expected long-term rate of return on plan assets and interest crediting rate."
       }
      }
     },
     "auth_ref": [
      "r411"
     ]
    },
    "us-gaap_ScheduleOfChangesInProjectedBenefitObligationsTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ScheduleOfChangesInProjectedBenefitObligationsTableTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Schedule of Postretirement Medical Benefit and Postemployment Medical Benefit Obligations",
        "label": "Schedule of Changes in Projected Benefit Obligations [Table Text Block]",
        "documentation": "Tabular disclosure of the change in the benefit obligation of pension plans and/or other employee benefit plans from the beginning to the end of the period, showing separately, if applicable, the effects of the following: service cost, interest cost, contributions by plan participants, actuarial gains and losses, foreign currency exchange rate changes, benefits paid, plan amendments, business combinations, divestitures, curtailments, settlements, and special and contractual termination benefits."
       }
      }
     },
     "auth_ref": [
      "r146"
     ]
    },
    "us-gaap_ScheduleOfDebtInstrumentsTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ScheduleOfDebtInstrumentsTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Schedule of Long-term Debt",
        "label": "Schedule of Long-Term Debt Instruments [Table Text Block]",
        "documentation": "Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer."
       }
      }
     },
     "auth_ref": [
      "r29",
      "r59",
      "r60",
      "r97",
      "r98",
      "r100",
      "r103",
      "r141",
      "r142",
      "r681",
      "r683",
      "r771"
     ]
    },
    "us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Schedule of Components of Net Deferred Tax Assets (Liabilities)",
        "label": "Schedule of Deferred Tax Assets and Liabilities [Table Text Block]",
        "documentation": "Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets."
       }
      }
     },
     "auth_ref": [
      "r149"
     ]
    },
    "us-gaap_ScheduleOfDefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ScheduleOfDefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossTableTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Schedule of Net Unrecognized Actuarial Gains and Losses Related to Postretirement Medical Benefit Obligation Included in Accumulated Other Comprehensive Income",
        "label": "Schedule of Defined Benefit Plan Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block]",
        "documentation": "Tabular disclosure of the changes in plan assets and benefit obligations recognized in other comprehensive income (loss) during the period."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ScheduleOfDefinedBenefitPlansDisclosuresTable",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSDefinedBenefitPlanDetails",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSExpectedFutureBenefitsDetails",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsActuarialGainsandLossesandAssumptionsDetails",
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSPostretirementBenefitsOtherthanPensionsPlansAmendmentsandObligationsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Schedule of Defined Benefit Plans Disclosures [Table]",
        "label": "Schedule of Defined Benefit Plans Disclosures [Table]",
        "documentation": "Disclosures about an individual defined benefit pension plan or an other postretirement defined benefit plan. It may be appropriate to group certain similar plans. Also includes schedule for fair value of plan assets by major categories of plan assets by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets or liabilities (Level 1), Significant other observable inputs (Level 2), and significant unobservable inputs (Level 3)."
       }
      }
     },
     "auth_ref": [
      "r13",
      "r63",
      "r64",
      "r65",
      "r66"
     ]
    },
    "us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Schedule of Effective Income Tax Reconciliation",
        "label": "Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]",
        "documentation": "Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations."
       }
      }
     },
     "auth_ref": [
      "r148"
     ]
    },
    "srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/srt/2023",
     "localname": "ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESInvestmentsinOtherAssociationsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Investment, Name [Axis]",
        "label": "Investment, Name [Axis]",
        "documentation": "Information by name of investment including named security. Excludes entity that is consolidated."
       }
      }
     },
     "auth_ref": [
      "r295",
      "r296",
      "r297"
     ]
    },
    "us-gaap_ScheduleOfExpectedBenefitPaymentsTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ScheduleOfExpectedBenefitPaymentsTableTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/EMPLOYEEBENEFITPLANSTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Schedule of Expected Future Benefits to be Paid Related to Postretirement Medical Benefit Obligation",
        "label": "Schedule of Expected Benefit Payments [Table Text Block]",
        "documentation": "Tabular disclosure of benefits expected to be paid by pension plans and/or other employee benefit plans in each of the next five fiscal years and in the aggregate for the five fiscal years thereafter."
       }
      }
     },
     "auth_ref": [
      "r147"
     ]
    },
    "us-gaap_ScheduleOfImpairedLongLivedAssetsHeldAndUsedTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ScheduleOfImpairedLongLivedAssetsHeldAndUsedTable",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESSegmentsandImpairmentLossesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Schedule of Impaired Long-Lived Assets Held and Used [Table]",
        "label": "Schedule of Impaired Long-Lived Assets Held and Used [Table]",
        "documentation": "For a long-lived asset to be held and used by an entity, the table may include a description of the impaired long-lived asset and facts and circumstances leading to the impairment, amount of the impairment loss and where the loss is located in the income statement, method(s) for determining fair value, and the segment in which the impaired long-lived asset is reported."
       }
      }
     },
     "auth_ref": [
      "r57"
     ]
    },
    "us-gaap_ScheduleOfJointlyOwnedUtilityPlantsTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ScheduleOfJointlyOwnedUtilityPlantsTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Schedule of Jointly Owned Facilities",
        "label": "Schedule of Jointly Owned Utility Plants [Table Text Block]",
        "documentation": "Tabular disclosure of proportionate interests in jointly owned utility plants. Includes the amount of plants in service, the accumulated provision for depreciation (if available), the amount of plants under construction, and the proportionate share. The amounts presented may be further subdivided to show amounts applicable to plant subcategories (for example, production, transmission, distribution). Includes statements that the amounts represent the utility's share in each joint plant and that it must provide its own financing. Information concerning two or more generating plants on the same site may be combined. States that the utility's share of direct expenses of the joint plants is included in the corresponding operating expenses on its income statement (for example, fuel, maintenance of plant, other operating expense). If the share of direct expenses is charged to purchased power, then disclose the amount so charged and the proportionate amounts charged to specific operating expenses on the records maintained for the joint plants."
       }
      }
     },
     "auth_ref": [
      "r172"
     ]
    },
    "us-gaap_ScheduleOfLongTermContractsForPurchaseOfElectricPowerTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ScheduleOfLongTermContractsForPurchaseOfElectricPowerTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Schedule of Costs under Electric Power Purchase Agreements",
        "label": "Schedule of Long-Term Contracts for Purchase of Electric Power [Table Text Block]",
        "documentation": "Tabular disclosure of information concerning the terms and significance of long term contracts to purchase power (generally referred to as purchase power agreements (PPAs) or power sale agreements (PSAs)) including date of contract expiration, share of plant output being purchased, estimated annual cost, annual minimum debt service payment required and amount of related long-term debt or lease obligations outstanding."
       }
      }
     },
     "auth_ref": [
      "r169"
     ]
    },
    "us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ScheduleOfMaturitiesOfLongTermDebtTableTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Schedule of Annual Maturities of Long-term Debt",
        "label": "Schedule of Maturities of Long-Term Debt [Table Text Block]",
        "documentation": "Tabular disclosure of maturity and sinking fund requirement for long-term debt."
       }
      }
     },
     "auth_ref": [
      "r12"
     ]
    },
    "us-gaap_ScheduleOfPropertyPlantAndEquipmentTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ScheduleOfPropertyPlantAndEquipmentTable",
     "presentation": [
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTOtherPlantDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Property, Plant and Equipment [Table]",
        "label": "Property, Plant and Equipment [Table]",
        "documentation": "Disclosure of information about physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation."
       }
      }
     },
     "auth_ref": [
      "r11"
     ]
    },
    "us-gaap_ScheduleOfPublicUtilityPropertyPlantAndEquipmentTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ScheduleOfPublicUtilityPropertyPlantAndEquipmentTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Schedule of Investment in Electric Plant",
        "label": "Public Utility Property, Plant, and Equipment [Table Text Block]",
        "documentation": "Tabular disclosure of public utility physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation expense and method used, including composite depreciation, and accumulated depreciation."
       }
      }
     },
     "auth_ref": [
      "r105"
     ]
    },
    "tris_ScheduleOfRegulatoryAssetsAndLiabilitiesTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "ScheduleOfRegulatoryAssetsAndLiabilitiesTable",
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESNetDeferredTaxLiabilityDetails",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Schedule of Regulatory Assets and Liabilities [Table]",
        "label": "Schedule Of Regulatory Assets And Liabilities [Table]",
        "documentation": "A table of assets and liabilities that are created when regulatory agencies permit public utilities to defer certain costs that are included in rate-setting to the balance sheet."
       }
      }
     },
     "auth_ref": []
    },
    "tris_ScheduleOfRegulatoryAssetsAndLiabilitiesTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "ScheduleOfRegulatoryAssetsAndLiabilitiesTableTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Schedule of Regulatory Assets and Liabilities",
        "label": "Schedule Of Regulatory Assets And Liabilities [Table Text Block]",
        "documentation": "Tabular disclosure of regulatory assets and liabilities. Detailed information about assets and liabilities that result from rate actions of a regulator. Rate actions of a regulator can impose an asset or a liability on a regulated enterprise resulting in a regulatory asset or liability."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ScheduleOfShortTermDebtTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ScheduleOfShortTermDebtTable",
     "presentation": [
      "http://www.tristategt.org/role/SHORTTERMBORROWINGSDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Schedule of Short-term Debt [Table]",
        "label": "Schedule of Short-Term Debt [Table]",
        "documentation": "A table or schedule providing information pertaining to borrowings under which repayment was required in less than twelve months (or normal operating cycle, if longer) after its issuance. It may include: (1) description of the short-term debt arrangement; (2) identification of the lender or type of lender; (3) repayment terms; (4) weighted average interest rate; (5) carrying amount of funds borrowed under the specified short-term debt arrangement as of the balance sheet date and measures of the maximum and average amount outstanding during the period; (6) description of the refinancing of a short-term obligation when that obligation is excluded from current liabilities in the balance sheet; and (7) amount of a short-term obligation that has been excluded from current liabilities in the balance sheet because of a refinancing of the obligation."
       }
      }
     },
     "auth_ref": [
      "r25"
     ]
    },
    "us-gaap_ScheduleOfShortTermDebtTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ScheduleOfShortTermDebtTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/SHORTTERMBORROWINGSTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Schedule of Commercial Paper",
        "label": "Schedule of Short-Term Debt [Table Text Block]",
        "documentation": "Tabular disclosure of short-term debt arrangements (having initial terms of repayment within one year or the normal operating cycle, if longer) including: (1) description of the short-term debt arrangement; (2) identification of the lender or type of lender; (3) repayment terms; (4) weighted average interest rate; (5) carrying amount of funds borrowed under the specified short-term debt arrangement as of the balance sheet date; (6) description of the refinancing of a short-term obligation when that obligation is excluded from current liabilities in the balance sheet; and (7) amount of a short-term obligation that has been excluded from current liabilities in the balance sheet because of a refinancing of the obligation."
       }
      }
     },
     "auth_ref": [
      "r25"
     ]
    },
    "us-gaap_ScheduleOfVariableInterestEntitiesTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ScheduleOfVariableInterestEntitiesTable",
     "presentation": [
      "http://www.tristategt.org/role/VARIABLEINTERESTENTITIESDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Schedule of Variable Interest Entities [Table]",
        "label": "Schedule of Variable Interest Entities [Table]",
        "documentation": "Tabular disclosure of qualitative and quantitative information related to variable interests the entity holds, whether or not such variable interest entity (VIE) is included in the reporting entity's consolidated financial statements. Includes, but is not limited to, description of the significant judgments and assumptions made in determining whether a variable interest (as defined) held by the entity requires the variable interest entity (VIE) (as defined) to be consolidated and (or) disclose information about its involvement with the VIE, individually or in aggregate (as applicable); the nature of restrictions, if any, on the consolidated VIE's assets and on the settlement of its liabilities reported by an entity in its statement of financial position, including the carrying amounts of such assets and liabilities; the nature of, and changes in, the risks associated with involvement in the VIE; how involvement with the VIE affects the entity's financial position, financial performance, and cash flows; the lack of recourse if creditors (or beneficial interest holders) of the consolidated VIE have no recourse to the general credit of the primary beneficiary (if applicable); the terms of arrangements, giving consideration to both explicit arrangements and implicit variable interests, if any, that could require the entity to provide financial support to the VIE, including events or circumstances that could expose the entity to a loss; the methodology used by the entity for determining whether or not it is the primary beneficiary of the variable interest entity; the significant factors considered and judgments made in determining that the power to direct the activities of a VIE that most significantly impact the VIE's economic performance are shared (as defined); the carrying amounts and classification of assets and liabilities of the VIE included in the statement of financial position; the entity's maximum exposure to loss, if any, as a result of its involvement with the VIE, including how the maximum exposure is determined and significant sources of the entity's exposure to the VIE; a tabular comparison of the carrying amounts of the assets and liabilities and the entity's maximum exposure to loss; information about any liquidity arrangements, guarantees, and (or) other commitments by third parties that may affect the fair value or risk of the entity's variable interest in the VIE; whether or not the entity has provided financial support or other support (explicitly or implicitly) to the VIE that it was not previously contractually required to provide or whether the entity intends to provide that support, including the type and amount of the support and the primary reasons for providing the support; and supplemental information the entity determines necessary to provide."
       }
      }
     },
     "auth_ref": [
      "r79",
      "r80",
      "r82",
      "r85",
      "r86",
      "r484",
      "r485",
      "r488",
      "r489",
      "r530",
      "r531",
      "r532"
     ]
    },
    "us-gaap_ScheduleOfVariableInterestEntitiesTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ScheduleOfVariableInterestEntitiesTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/VARIABLEINTERESTENTITIESTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Schedule of Consolidated Variable Interest Entities",
        "label": "Schedule of Variable Interest Entities [Table Text Block]",
        "documentation": "Tabular disclosure of the significant judgments and assumptions made in determining whether a variable interest (as defined) held by the entity requires the variable interest entity (VIE) (as defined) to be consolidated and (or) disclose information about its involvement with the VIE, individually or in aggregate (as applicable); the nature of restrictions, if any, on the consolidated VIE's assets and on the settlement of its liabilities reported by an entity in its statement of financial position, including the carrying amounts of such assets and liabilities; the nature of, and changes in, the risks associated with involvement in the VIE; how involvement with the VIE affects the entity's financial position, financial performance, and cash flows; the lack of recourse if creditors (or beneficial interest holders) of the consolidated VIE have no recourse to the general credit of the primary beneficiary (if applicable); the terms of arrangements, giving consideration to both explicit arrangements and implicit variable interests, if any, that could require the entity to provide financial support to the VIE, including events or circumstances that could expose the entity to a loss; the methodology used by the entity for determining whether or not it is the primary beneficiary of the variable interest entity; the significant factors considered and judgments made in determining that the power to direct the activities of a VIE that most significantly impact the VIE's economic performance are shared (as defined); the carrying amounts and classification of assets and liabilities of the VIE included in the statement of financial position; the entity's maximum exposure to loss, if any, as a result of its involvement with the VIE, including how the maximum exposure is determined and significant sources of the entity's exposure to the VIE; a comparison of the carrying amounts of the assets and liabilities and the entity's maximum exposure to loss; information about any liquidity arrangements, guarantees, and (or) other commitments by third parties that may affect the fair value or risk of the entity's variable interest in the VIE; whether or not the entity has provided financial support or other support (explicitly or implicitly) to the VIE that it was not previously contractually required to provide or whether the entity intends to provide that support, including the type and amount of the support and the primary reasons for providing the support; and supplemental information the entity determines necessary to provide."
       }
      }
     },
     "auth_ref": [
      "r79",
      "r80",
      "r82",
      "r85",
      "r86"
     ]
    },
    "us-gaap_SecuredDebtMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "SecuredDebtMember",
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTAnnualMaturitiesDetails",
      "http://www.tristategt.org/role/LONGTERMDEBTNarrativeDetails",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Secured Debt",
        "label": "Secured Debt [Member]",
        "documentation": "Collateralized debt obligation backed by, for example, but not limited to, pledge, mortgage or other lien on the entity's assets."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SegmentReportingPolicyPolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "SegmentReportingPolicyPolicyTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "SEGMENT REPORTING",
        "label": "Segment Reporting, Policy [Policy Text Block]",
        "documentation": "Disclosure of accounting policy for segment reporting."
       }
      }
     },
     "auth_ref": [
      "r271",
      "r272",
      "r273",
      "r274",
      "r275",
      "r276",
      "r288",
      "r677"
     ]
    },
    "us-gaap_ShortTermBorrowings": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ShortTermBorrowings",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition",
      "http://www.tristategt.org/role/SHORTTERMBORROWINGSDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Short-term borrowings",
        "verboseLabel": "Amount outstanding",
        "label": "Short-Term Debt",
        "documentation": "Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer."
       }
      }
     },
     "auth_ref": [
      "r111",
      "r161",
      "r715",
      "r879"
     ]
    },
    "us-gaap_ShortTermBorrowingsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ShortTermBorrowingsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Short-term Debt [Abstract]",
        "label": "Short-Term Debt [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "tris_ShortTermBorrowingsOtherMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "ShortTermBorrowingsOtherMember",
     "presentation": [
      "http://www.tristategt.org/role/SHORTTERMBORROWINGSDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Short-term Borrowings - Other",
        "label": "Short-Term Borrowings, Other [Member]",
        "documentation": "Short-Term Borrowings, Other"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShortTermContractWithCustomerMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ShortTermContractWithCustomerMember",
     "presentation": [
      "http://www.tristategt.org/role/REVENUESummaryDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Short-term contracts",
        "label": "Short-Term Contract with Customer [Member]",
        "documentation": "Contract with customer in which duration is classified as short-term."
       }
      }
     },
     "auth_ref": [
      "r690"
     ]
    },
    "us-gaap_ShortTermDebtLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ShortTermDebtLineItems",
     "presentation": [
      "http://www.tristategt.org/role/SHORTTERMBORROWINGSDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Short-Term Debt [Line Items]",
        "label": "Short-Term Debt [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": []
    },
    "us-gaap_ShortTermDebtTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ShortTermDebtTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/SHORTTERMBORROWINGS"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "SHORT-TERM BORROWINGS",
        "label": "Short-Term Debt [Text Block]",
        "documentation": "The entire disclosure for short-term debt."
       }
      }
     },
     "auth_ref": [
      "r139"
     ]
    },
    "us-gaap_ShortTermDebtTypeAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ShortTermDebtTypeAxis",
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTNarrativeDetails",
      "http://www.tristategt.org/role/SHORTTERMBORROWINGSDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Short-term Debt, Type [Axis]",
        "label": "Short-Term Debt, Type [Axis]",
        "documentation": "Information by type of short-term debt arrangement."
       }
      }
     },
     "auth_ref": [
      "r25"
     ]
    },
    "us-gaap_ShortTermDebtTypeDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ShortTermDebtTypeDomain",
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTNarrativeDetails",
      "http://www.tristategt.org/role/SHORTTERMBORROWINGSDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Short-term Debt, Type [Domain]",
        "label": "Short-Term Debt, Type [Domain]",
        "documentation": "Type of short-term debt arrangement, such as notes, line of credit, commercial paper, asset-based financing, project financing, letter of credit financing."
       }
      }
     },
     "auth_ref": [
      "r22"
     ]
    },
    "us-gaap_ShortTermDebtWeightedAverageInterestRate": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ShortTermDebtWeightedAverageInterestRate",
     "presentation": [
      "http://www.tristategt.org/role/SHORTTERMBORROWINGSDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Weighted average interest rate (as a percent)",
        "label": "Short-Term Debt, Weighted Average Interest Rate, at Point in Time",
        "documentation": "Weighted average interest rate of short-term debt outstanding calculated at point in time."
       }
      }
     },
     "auth_ref": [
      "r23"
     ]
    },
    "us-gaap_ShorttermDebtMaximumAmountOutstandingDuringPeriod": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "ShorttermDebtMaximumAmountOutstandingDuringPeriod",
     "crdr": "credit",
     "presentation": [
      "http://www.tristategt.org/role/SHORTTERMBORROWINGSDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Maximum amount per commercial paper sublimit",
        "label": "Short-Term Debt, Maximum Amount Outstanding During Period",
        "documentation": "For the form of debt having an initial term of less than one year or less than the normal operating cycle, if longer, the maximum amount borrowed at any time during the period."
       }
      }
     },
     "auth_ref": []
    },
    "tris_SolarBasedPowerMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "SolarBasedPowerMember",
     "presentation": [
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESElectricPowerPurchaseAgreementsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Solar-based Power",
        "label": "Solar Based Power [Member]",
        "documentation": "Information pertaining to solar-based power agreements."
       }
      }
     },
     "auth_ref": []
    },
    "tris_SpringervilleCertificatesSeriesBDueThrough2033Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "SpringervilleCertificatesSeriesBDueThrough2033Member",
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTNarrativeDetails",
      "http://www.tristategt.org/role/LONGTERMDEBTSummaryDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Series\u00a0B, 7.14%, due through 2033",
        "label": "Springerville Certificates Series B Due Through 2033 [Member]",
        "documentation": "Information pertaining to Springerville certificates. 7.14% rate due through 2033."
       }
      }
     },
     "auth_ref": []
    },
    "tris_SpringervilleGeneratingStationUnit3Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "SpringervilleGeneratingStationUnit3Member",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails",
      "http://www.tristategt.org/role/VARIABLEINTERESTENTITIESDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Springerville Unit 3 Lease",
        "label": "Springerville Generating Station Unit3 [Member]",
        "documentation": "Arrangement with Springerville Generating Station Unit 3 to use power generating equipment for a stated period of time. Accounted for as a lease."
       }
      }
     },
     "auth_ref": []
    },
    "tris_SpringervillePartnershipMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "SpringervillePartnershipMember",
     "presentation": [
      "http://www.tristategt.org/role/VARIABLEINTERESTENTITIESDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Springerville Partnership",
        "label": "Springerville Partnership [Member]",
        "documentation": "Information pertaining to the Springerville Partnership."
       }
      }
     },
     "auth_ref": []
    },
    "tris_SpringervilleUnit3HoldingLlcMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "SpringervilleUnit3HoldingLlcMember",
     "presentation": [
      "http://www.tristategt.org/role/VARIABLEINTERESTENTITIESDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Springerville Unit 3 Holding LLC",
        "label": "Springerville Unit3 Holding Llc [Member]",
        "documentation": "Information pertaining to the Springerville Unit 3 Holding LLC which is the owner operator of the Springerville Generating Station Unit 3."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_StateAndLocalJurisdictionMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "StateAndLocalJurisdictionMember",
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESOperatingLossandTaxCreditCarryforwardsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "State",
        "label": "State and Local Jurisdiction [Member]",
        "documentation": "Designated tax department of a state or local government entitled to levy and collect income taxes from the entity."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_StatementEquityComponentsAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "StatementEquityComponentsAxis",
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Equity Components [Axis]",
        "label": "Equity Components [Axis]",
        "documentation": "Information by component of equity."
       }
      }
     },
     "auth_ref": [
      "r16",
      "r31",
      "r207",
      "r230",
      "r231",
      "r232",
      "r249",
      "r250",
      "r251",
      "r253",
      "r258",
      "r260",
      "r263",
      "r299",
      "r300",
      "r348",
      "r452",
      "r453",
      "r454",
      "r472",
      "r473",
      "r490",
      "r491",
      "r492",
      "r493",
      "r494",
      "r495",
      "r496",
      "r501",
      "r503",
      "r504",
      "r505",
      "r506",
      "r507",
      "r524",
      "r563",
      "r564",
      "r565",
      "r581",
      "r635"
     ]
    },
    "us-gaap_StatementLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "StatementLineItems",
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofComprehensiveIncome",
      "http://www.tristategt.org/role/ConsolidatedStatementsofEquity",
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Statement [Line Items]",
        "label": "Statement [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": [
      "r249",
      "r250",
      "r251",
      "r263",
      "r535",
      "r570",
      "r582",
      "r590",
      "r591",
      "r592",
      "r593",
      "r594",
      "r595",
      "r596",
      "r599",
      "r600",
      "r601",
      "r602",
      "r603",
      "r604",
      "r605",
      "r606",
      "r607",
      "r609",
      "r610",
      "r611",
      "r612",
      "r613",
      "r615",
      "r617",
      "r618",
      "r621",
      "r622",
      "r623",
      "r624",
      "r625",
      "r626",
      "r627",
      "r628",
      "r629",
      "r630",
      "r631",
      "r632",
      "r635",
      "r719"
     ]
    },
    "us-gaap_StatementOfCashFlowsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "StatementOfCashFlowsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Statement of Cash Flows [Abstract]",
        "label": "Statement of Cash Flows [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_StatementOfFinancialPositionAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "StatementOfFinancialPositionAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Statement of Financial Position [Abstract]",
        "label": "Statement of Financial Position [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "StatementOfIncomeAndComprehensiveIncomeAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Statement of Comprehensive Income [Abstract]",
        "label": "Statement of Comprehensive Income [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_StatementOfStockholdersEquityAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "StatementOfStockholdersEquityAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Statement of Stockholders' Equity [Abstract]",
        "label": "Statement of Stockholders' Equity [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_StatementTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "StatementTable",
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofComprehensiveIncome",
      "http://www.tristategt.org/role/ConsolidatedStatementsofEquity",
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Statement [Table]",
        "label": "Statement [Table]",
        "documentation": "Schedule reflecting a Statement of Income, Statement of Cash Flows, Statement of Financial Position, Statement of Shareholders' Equity and Other Comprehensive Income, or other statement as needed."
       }
      }
     },
     "auth_ref": [
      "r249",
      "r250",
      "r251",
      "r263",
      "r535",
      "r570",
      "r582",
      "r590",
      "r591",
      "r592",
      "r593",
      "r594",
      "r595",
      "r596",
      "r599",
      "r600",
      "r601",
      "r602",
      "r603",
      "r604",
      "r605",
      "r606",
      "r607",
      "r609",
      "r610",
      "r611",
      "r612",
      "r613",
      "r615",
      "r617",
      "r618",
      "r621",
      "r622",
      "r623",
      "r624",
      "r625",
      "r626",
      "r627",
      "r628",
      "r629",
      "r630",
      "r631",
      "r632",
      "r635",
      "r719"
     ]
    },
    "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition": {
       "parentTag": "tris_CapitalizationLongTermDebtNoncurrentAndEquity",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofEquity",
      "http://www.tristategt.org/role/ConsolidatedStatementsofFinancialPosition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Total equity",
        "periodStartLabel": "Equity at beginning of period",
        "periodEndLabel": "Equity at end of period",
        "label": "Equity, Including Portion Attributable to Noncontrolling Interest",
        "documentation": "Amount of equity (deficit) attributable to parent and noncontrolling interest. Excludes temporary equity."
       }
      }
     },
     "auth_ref": [
      "r74",
      "r75",
      "r87",
      "r207",
      "r208",
      "r231",
      "r249",
      "r250",
      "r251",
      "r253",
      "r258",
      "r299",
      "r300",
      "r348",
      "r452",
      "r453",
      "r454",
      "r472",
      "r473",
      "r490",
      "r491",
      "r492",
      "r493",
      "r494",
      "r495",
      "r496",
      "r501",
      "r503",
      "r507",
      "r524",
      "r564",
      "r565",
      "r579",
      "r598",
      "r614",
      "r636",
      "r637",
      "r657",
      "r725",
      "r768",
      "r779",
      "r866",
      "r884"
     ]
    },
    "us-gaap_SubsequentEventsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "SubsequentEventsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Subsequent Events [Abstract]",
        "label": "Subsequent Events [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_SubsequentEventsTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "SubsequentEventsTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/SUBSEQUENTEVENTS"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "SUBSEQUENT EVENTS",
        "label": "Subsequent Events [Text Block]",
        "documentation": "The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business."
       }
      }
     },
     "auth_ref": [
      "r527",
      "r528"
     ]
    },
    "us-gaap_SupplementalCashFlowInformationAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "SupplementalCashFlowInformationAbstract",
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Supplemental cash flow information:",
        "label": "Supplemental Cash Flow Information [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "tris_SyndicatedVariableRateSOFRBasedTermLoansDue2025Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "SyndicatedVariableRateSOFRBasedTermLoansDue2025Member",
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTAnnualMaturitiesDetails",
      "http://www.tristategt.org/role/LONGTERMDEBTSummaryDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Syndicated variable rate, SOFR-based term loan due 2025",
        "label": "Syndicated Variable Rate, SOFR-Based Term Loans Due 2025 [Member]",
        "documentation": "Syndicated Variable Rate, SOFR-Based Term Loans Due 2025"
       }
      }
     },
     "auth_ref": []
    },
    "tris_TaxableIncomeLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "TaxableIncomeLoss",
     "crdr": "credit",
     "presentation": [
      "http://www.tristategt.org/role/INCOMETAXESOperatingLossandTaxCreditCarryforwardsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedTerseLabel": "Taxable loss",
        "label": "Taxable Income (Loss)",
        "documentation": "The amount of taxable income (loss) for the period."
       }
      }
     },
     "auth_ref": []
    },
    "tris_ThermoCogenerationPartnershipMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "ThermoCogenerationPartnershipMember",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Thermo Cogeneration Partnership",
        "label": "Thermo Cogeneration Partnership [Member]",
        "documentation": "Acquisition of Thermo Cogeneration Partnership, which resulted in recording of goodwill related to the J.M. Shafer Generating Station."
       }
      }
     },
     "auth_ref": []
    },
    "tris_TransmissionDeposits": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "TransmissionDeposits",
     "crdr": "credit",
     "calculation": {
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESOtherDeferredCreditsandOtherLiabilitiesDetails": {
       "parentTag": "tris_OtherDeferredCreditsAndOtherLiabilities",
       "weight": 1.0,
       "order": 6.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESOtherDeferredCreditsandOtherLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "OATT deposits",
        "label": "Transmission Deposits",
        "documentation": "Transmission Deposits"
       }
      }
     },
     "auth_ref": []
    },
    "tris_TransmissionRevenueMegawattHoursSold": {
     "xbrltype": "energyItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "TransmissionRevenueMegawattHoursSold",
     "presentation": [
      "http://www.tristategt.org/role/ORGANIZATIONDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Total megawatt-hours sold",
        "label": "Transmission Revenue, Megawatt Hours Sold",
        "documentation": "Total megawatt-hours sold."
       }
      }
     },
     "auth_ref": []
    },
    "tris_TransmissionRightOfWayEasementsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "TransmissionRightOfWayEasementsMember",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESOtherDeferredCreditsandOtherLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Transmission - Right of Way Easements",
        "label": "Transmission Right Of Way Easements [Member]",
        "documentation": "Information relating to transmission right of way easements."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_TypeOfArrangementAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "TypeOfArrangementAxis",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESOtherDeferredCreditsandOtherLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Collaborative Arrangement and Arrangement Other than Collaborative [Axis]",
        "label": "Collaborative Arrangement and Arrangement Other than Collaborative [Axis]",
        "documentation": "Information by collaborative arrangement and arrangement other than collaborative applicable to revenue-generating activity or operations."
       }
      }
     },
     "auth_ref": [
      "r482"
     ]
    },
    "us-gaap_UnamortizedDebtIssuanceExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "UnamortizedDebtIssuanceExpense",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/LONGTERMDEBTSummaryDetails": {
       "parentTag": "us-gaap_LongTermDebt",
       "weight": -1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTSummaryDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Less debt issuance costs",
        "label": "Unamortized Debt Issuance Expense",
        "documentation": "The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_UnionizedEmployeesConcentrationRiskMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "UnionizedEmployeesConcentrationRiskMember",
     "presentation": [
      "http://www.tristategt.org/role/ORGANIZATIONDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Unionized Employees Concentration Risk",
        "label": "Unionized Employees Concentration Risk [Member]",
        "documentation": "Reflects the percentage that unionized employees, in either labor costs for the period or number of personnel as of the balance sheet date or on average for the period, are to a specified benchmark, such as total operating expenses, total labor costs, total corresponding number of personnel. Risk is the materially adverse effects of strikes and unfavorable contract negotiations with employees covered by collective bargaining arrangements."
       }
      }
     },
     "auth_ref": [
      "r50"
     ]
    },
    "tris_UnitedPowerIncMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "UnitedPowerIncMember",
     "presentation": [
      "http://www.tristategt.org/role/REVENUENarrativeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "United Power, Inc.",
        "label": "United Power Inc [Member]",
        "documentation": "Information pertaining to United Power, Inc."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_UseOfEstimates": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "UseOfEstimates",
     "presentation": [
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "USE OF ESTIMATES",
        "label": "Use of Estimates, Policy [Policy Text Block]",
        "documentation": "Disclosure of accounting policy for the use of estimates in the preparation of financial statements in conformity with generally accepted accounting principles."
       }
      }
     },
     "auth_ref": [
      "r52",
      "r53",
      "r54",
      "r182",
      "r183",
      "r185",
      "r186"
     ]
    },
    "us-gaap_UtilitiesOperatingExpenseFuelUsed": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "UtilitiesOperatingExpenseFuelUsed",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations": {
       "parentTag": "us-gaap_CostsAndExpenses",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Fuel",
        "label": "Utilities Operating Expense, Fuel Used",
        "documentation": "Amount of operating expense for fuel used by regulated operation."
       }
      }
     },
     "auth_ref": [
      "r122"
     ]
    },
    "us-gaap_UtilitiesOperatingExpenseOther": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "UtilitiesOperatingExpenseOther",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations": {
       "parentTag": "us-gaap_CostsAndExpenses",
       "weight": 1.0,
       "order": 8.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other",
        "label": "Utilities Operating Expense, Other",
        "documentation": "Amount of other operating expense of regulated operation."
       }
      }
     },
     "auth_ref": [
      "r122"
     ]
    },
    "tris_UtilitiesOperatingExpenseProduction": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "UtilitiesOperatingExpenseProduction",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations": {
       "parentTag": "us-gaap_CostsAndExpenses",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Production",
        "label": "Utilities Operating Expense, Production",
        "documentation": "Amount of operating expense for energy production of regulated operation."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_UtilitiesOperatingExpensePurchasedPower": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "UtilitiesOperatingExpensePurchasedPower",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations": {
       "parentTag": "us-gaap_CostsAndExpenses",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Purchased power",
        "label": "Utilities Operating Expense, Purchased Power",
        "documentation": "Amount of operating expense for purchased power of regulated operation."
       }
      }
     },
     "auth_ref": [
      "r122"
     ]
    },
    "us-gaap_UtilitiesOperatingExpensePurchasedPowerUnderLongTermContracts": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "UtilitiesOperatingExpensePurchasedPowerUnderLongTermContracts",
     "crdr": "debit",
     "presentation": [
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESElectricPowerPurchaseAgreementsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Costs under electric power purchase agreements",
        "label": "Utilities Operating Expense, Purchased Power under Long-Term Contracts",
        "documentation": "Amount of operating expense for purchased power procured under arrangements extending beyond one year or the normal operating cycle, if longer, by regulated operation."
       }
      }
     },
     "auth_ref": [
      "r104",
      "r122"
     ]
    },
    "tris_UtilitiesOperatingExpenseTransmission": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "UtilitiesOperatingExpenseTransmission",
     "crdr": "debit",
     "calculation": {
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations": {
       "parentTag": "us-gaap_CostsAndExpenses",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.tristategt.org/role/ConsolidatedStatementsofOperations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Transmission",
        "label": "Utilities Operating Expense, Transmission",
        "documentation": "Amount of operating expense for transmission operations by regulated operation."
       }
      }
     },
     "auth_ref": []
    },
    "tris_UtilityMemberMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "UtilityMemberMember",
     "presentation": [
      "http://www.tristategt.org/role/ORGANIZATIONDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Utility Member",
        "label": "Utility Member [Member]",
        "documentation": "Utility Member"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_UtilityPlantDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "UtilityPlantDomain",
     "presentation": [
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTConstructionCommitmentsDetails",
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTElectricPlantDetails",
      "http://www.tristategt.org/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRegulatoryAssetsandLiabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Utility Plant [Domain]",
        "label": "Utility Plant [Domain]",
        "documentation": "Plant owned by a utility entity used in the operations of the entity."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_VariableInterestEntityDisclosureTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "VariableInterestEntityDisclosureTextBlock",
     "presentation": [
      "http://www.tristategt.org/role/VARIABLEINTERESTENTITIES"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "VARIABLE INTEREST ENTITIES",
        "label": "Variable Interest Entity Disclosure [Text Block]",
        "documentation": "The entire disclosure for a variable interest entity (VIE), including but not limited to, judgments and assumptions in determining whether to consolidate and in identifying the primary beneficiary, gain (loss) recognized on the initial consolidation of the VIE, terms of arrangements, amounts and classification of the VIE's assets and liabilities, and the entity's maximum exposure to loss."
       }
      }
     },
     "auth_ref": [
      "r151"
     ]
    },
    "tris_VariableInterestEntityFinancialOrOtherSupportPercent": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "VariableInterestEntityFinancialOrOtherSupportPercent",
     "presentation": [
      "http://www.tristategt.org/role/VARIABLEINTERESTENTITIESDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Proportion of financial and other support provided (as a percent)",
        "label": "Variable Interest Entity, Financial Or Other Support, Percent",
        "documentation": "The percentage of financial or other support the reporting entity has provided (explicitly or implicitly) to the Variable Interest Entity (VIE)."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_VariableInterestEntityLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "VariableInterestEntityLineItems",
     "presentation": [
      "http://www.tristategt.org/role/VARIABLEINTERESTENTITIESDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Variable Interest Entity [Line Items]",
        "label": "Variable Interest Entity [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": [
      "r484",
      "r485",
      "r488",
      "r489",
      "r530",
      "r531",
      "r532"
     ]
    },
    "us-gaap_VariableInterestEntityOwnershipPercentage": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "VariableInterestEntityOwnershipPercentage",
     "presentation": [
      "http://www.tristategt.org/role/VARIABLEINTERESTENTITIESDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Equity interest (as a percent)",
        "label": "Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage",
        "documentation": "Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly)."
       }
      }
     },
     "auth_ref": [
      "r84"
     ]
    },
    "us-gaap_VariableInterestEntityPrimaryBeneficiaryMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "VariableInterestEntityPrimaryBeneficiaryMember",
     "presentation": [
      "http://www.tristategt.org/role/VARIABLEINTERESTENTITIESDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Variable Interest Entity, Primary Beneficiary",
        "label": "Variable Interest Entity, Primary Beneficiary [Member]",
        "documentation": "Variable Interest Entities (VIE) in which the entity has a controlling financial interest (as defined) and of which it is therefore the primary beneficiary. A controlling financial interest is determined based on both: (a) the entity's power to direct activities of the VIE that most significantly impact the VIE's economic performance and (b) the entity's obligation to absorb losses of the VIE that could potentially be significant to the VIE or the right to receive benefits from the VIE that could potentially be significant to the VIE. VIEs of which the entity is the primary beneficiary are included in the consolidated financial statements of the entity."
       }
      }
     },
     "auth_ref": [
      "r79",
      "r484",
      "r485",
      "r488",
      "r489"
     ]
    },
    "us-gaap_VariableInterestEntityVIEOrPotentialVIEInformationUnavailabilityDisclosuresAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "VariableInterestEntityVIEOrPotentialVIEInformationUnavailabilityDisclosuresAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Variable Interest Entity or Potential VIE, Information Unavailability, Disclosures [Abstract]",
        "label": "Variable Interest Entity or Potential VIE, Information Unavailability, Disclosures [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "tris_VariableRateCoBankACBSOFRBasedTermLoansDueThrough2044Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "VariableRateCoBankACBSOFRBasedTermLoansDueThrough2044Member",
     "presentation": [
      "http://www.tristategt.org/role/LONGTERMDEBTSummaryDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Variable rate CoBank, ACB, SOFR-based term loans, due through\u00a02044",
        "label": "Variable Rate CoBank, ACB, SOFR-Based Term Loans, Due Through\u00a02044 [Member]",
        "documentation": "Variable Rate CoBank, ACB, SOFR-Based Term Loans, Due Through\u00a02044"
       }
      }
     },
     "auth_ref": []
    },
    "tris_WesternAreaPowerAdministrationMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "WesternAreaPowerAdministrationMember",
     "presentation": [
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESElectricPowerPurchaseAgreementsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "WAPA",
        "label": "Western Area Power Administration [Member]",
        "documentation": "Information pertaining to Western Area Power Administration (\"WAPA\")."
       }
      }
     },
     "auth_ref": []
    },
    "tris_WesternInterconnectionMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "WesternInterconnectionMember",
     "presentation": [
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESElectricPowerPurchaseAgreementsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Western Interconnection",
        "label": "Western Interconnection [Member]",
        "documentation": "Information pertaining to Western Interconnection member load."
       }
      }
     },
     "auth_ref": []
    },
    "tris_WindBasedPowerMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "WindBasedPowerMember",
     "presentation": [
      "http://www.tristategt.org/role/COMMITMENTSANDCONTINGENCIESElectricPowerPurchaseAgreementsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Wind-based Power",
        "label": "Wind Based Power [Member]",
        "documentation": "Information pertaining to wind-based power agreements."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_WorkforceSubjectToCollectiveBargainingArrangementsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2023",
     "localname": "WorkforceSubjectToCollectiveBargainingArrangementsMember",
     "presentation": [
      "http://www.tristategt.org/role/ORGANIZATIONDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Workforce Subject to Collective Bargaining Arrangements",
        "label": "Workforce Subject to Collective-Bargaining Arrangements [Member]",
        "documentation": "The number of employees covered by a collective bargaining agreement as of the balance sheet date, when it serves as a benchmark in a concentration of risk calculation."
       }
      }
     },
     "auth_ref": [
      "r50"
     ]
    },
    "tris_YampaProjectCraigStationUnits1And2Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.tristategt.org/20231231",
     "localname": "YampaProjectCraigStationUnits1And2Member",
     "presentation": [
      "http://www.tristategt.org/role/PROPERTYPLANTANDEQUIPMENTJointlyOwnedFacilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Yampa",
        "label": "Yampa Project Craig Station Units1 And2 [Member]",
        "documentation": "Yampa Project, a jointly owned generation facility operated by the registrant."
       }
      }
     },
     "auth_ref": []
    }
   }
  }
 },
 "std_ref": {
  "r0": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Section": "05",
   "Paragraph": "1",
   "SubTopic": "10",
   "Topic": "980",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482115/980-10-05-1"
  },
  "r1": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Section": "05",
   "Paragraph": "1",
   "SubTopic": "323",
   "Topic": "932",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482452/932-323-05-1"
  },
  "r2": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Section": "05",
   "Paragraph": "4",
   "SubTopic": "10",
   "Topic": "360",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482338/360-10-05-4"
  },
  "r3": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "1",
   "SubTopic": "230",
   "Topic": "830",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481877/830-230-45-1"
  },
  "r4": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "10A",
   "SubTopic": "10",
   "Topic": "220",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482790/220-10-45-10A"
  },
  "r5": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "10A",
   "Subparagraph": "(i)",
   "SubTopic": "10",
   "Topic": "220",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482790/220-10-45-10A"
  },
  "r6": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "10A",
   "Subparagraph": "(j)",
   "SubTopic": "10",
   "Topic": "220",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482790/220-10-45-10A"
  },
  "r7": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "15",
   "SubTopic": "10",
   "Topic": "220",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482790/220-10-45-15"
  },
  "r8": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "20",
   "SubTopic": "10",
   "Topic": "810",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481231/810-10-45-20"
  },
  "r9": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "28",
   "Subparagraph": "(a)",
   "SubTopic": "10",
   "Topic": "230",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-28"
  },
  "r10": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "28",
   "Subparagraph": "(b)",
   "SubTopic": "10",
   "Topic": "230",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-28"
  },
  "r11": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "SubTopic": "10",
   "Topic": "360",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482099/360-10-50-1"
  },
  "r12": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "SubTopic": "10",
   "Topic": "470",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481544/470-10-50-1"
  },
  "r13": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "SubTopic": "20",
   "Topic": "715",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r14": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "15",
   "Subparagraph": "(e)",
   "SubTopic": "10",
   "Topic": "740",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482685/740-10-50-15"
  },
  "r15": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1A",
   "Subparagraph": "(c),(3)",
   "SubTopic": "10",
   "Topic": "810",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481203/810-10-50-1A"
  },
  "r16": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "2",
   "SubTopic": "10",
   "Topic": "505",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481112/505-10-50-2"
  },
  "r17": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6A",
   "Subparagraph": "(a)",
   "SubTopic": "10",
   "Topic": "820",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482106/820-10-50-6A"
  },
  "r18": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Section": "55",
   "Paragraph": "15",
   "SubTopic": "10",
   "Topic": "220",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482739/220-10-55-15"
  },
  "r19": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(19)",
   "SubTopic": "10",
   "Topic": "210",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1"
  },
  "r20": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.5-02(22))",
   "SubTopic": "10",
   "Topic": "210",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1"
  },
  "r21": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "210",
   "SubTopic": "10",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.5-02.19(a)(7))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1"
  },
  "r22": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "210",
   "SubTopic": "10",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.5-02.19(a))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1"
  },
  "r23": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "210",
   "SubTopic": "10",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.5-02.19(b))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1"
  },
  "r24": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "210",
   "SubTopic": "10",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.5-02.19(b),22(b))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1"
  },
  "r25": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "210",
   "SubTopic": "10",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.5-02.19)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1"
  },
  "r26": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "210",
   "SubTopic": "10",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.5-02.20)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1"
  },
  "r27": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "210",
   "SubTopic": "10",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.5-02.21)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1"
  },
  "r28": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "210",
   "SubTopic": "10",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.5-02.22(a)(1))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1"
  },
  "r29": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "210",
   "SubTopic": "10",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.5-02.22)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1"
  },
  "r30": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "210",
   "SubTopic": "10",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.5-02.24)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1"
  },
  "r31": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "210",
   "SubTopic": "10",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.5-02.29-31)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1"
  },
  "r32": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "210",
   "SubTopic": "10",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.5-02.3,4)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1"
  },
  "r33": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "210",
   "SubTopic": "10",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.5-02.31)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1"
  },
  "r34": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "220",
   "SubTopic": "10",
   "Section": "45",
   "Paragraph": "14",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482790/220-10-45-14"
  },
  "r35": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "220",
   "SubTopic": "10",
   "Section": "45",
   "Paragraph": "14A",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482790/220-10-45-14A"
  },
  "r36": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "220",
   "SubTopic": "10",
   "Section": "45",
   "Paragraph": "5",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482790/220-10-45-5"
  },
  "r37": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "230",
   "SubTopic": "10",
   "Section": "45",
   "Paragraph": "12",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-12"
  },
  "r38": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "230",
   "SubTopic": "10",
   "Section": "45",
   "Paragraph": "14",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-14"
  },
  "r39": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "230",
   "SubTopic": "10",
   "Section": "45",
   "Paragraph": "15",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-15"
  },
  "r40": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "230",
   "SubTopic": "10",
   "Section": "45",
   "Paragraph": "15",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-15"
  },
  "r41": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "230",
   "SubTopic": "10",
   "Section": "45",
   "Paragraph": "15",
   "Subparagraph": "(e)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-15"
  },
  "r42": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "230",
   "SubTopic": "10",
   "Section": "45",
   "Paragraph": "4",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-4"
  },
  "r43": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "230",
   "SubTopic": "10",
   "Section": "50",
   "Paragraph": "1",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482913/230-10-50-1"
  },
  "r44": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "230",
   "SubTopic": "10",
   "Section": "50",
   "Paragraph": "2",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482913/230-10-50-2"
  },
  "r45": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "272",
   "SubTopic": "10",
   "Section": "50",
   "Paragraph": "3",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482987/272-10-50-3"
  },
  "r46": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "275",
   "SubTopic": "10",
   "Section": "50",
   "Paragraph": "16",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482861/275-10-50-16"
  },
  "r47": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "275",
   "SubTopic": "10",
   "Section": "50",
   "Paragraph": "18",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482861/275-10-50-18"
  },
  "r48": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "275",
   "SubTopic": "10",
   "Section": "50",
   "Paragraph": "18",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482861/275-10-50-18"
  },
  "r49": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "275",
   "SubTopic": "10",
   "Section": "50",
   "Paragraph": "20",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482861/275-10-50-20"
  },
  "r50": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "275",
   "SubTopic": "10",
   "Section": "50",
   "Paragraph": "20",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482861/275-10-50-20"
  },
  "r51": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "275",
   "SubTopic": "10",
   "Section": "50",
   "Paragraph": "21",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482861/275-10-50-21"
  },
  "r52": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "275",
   "SubTopic": "10",
   "Section": "50",
   "Paragraph": "4",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482861/275-10-50-4"
  },
  "r53": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "275",
   "SubTopic": "10",
   "Section": "50",
   "Paragraph": "8",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482861/275-10-50-8"
  },
  "r54": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "275",
   "SubTopic": "10",
   "Section": "50",
   "Paragraph": "9",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482861/275-10-50-9"
  },
  "r55": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "330",
   "SubTopic": "10",
   "Section": "50",
   "Paragraph": "1",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483080/330-10-50-1"
  },
  "r56": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "360",
   "SubTopic": "10",
   "Section": "45",
   "Paragraph": "4",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482130/360-10-45-4"
  },
  "r57": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "360",
   "SubTopic": "10",
   "Section": "50",
   "Paragraph": "2",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482099/360-10-50-2"
  },
  "r58": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "470",
   "SubTopic": "10",
   "Section": "50",
   "Paragraph": "5",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481544/470-10-50-5"
  },
  "r59": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "505",
   "SubTopic": "10",
   "Section": "50",
   "Paragraph": "3",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481112/505-10-50-3"
  },
  "r60": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "505",
   "SubTopic": "10",
   "Section": "50",
   "Paragraph": "8",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481112/505-10-50-8"
  },
  "r61": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "715",
   "SubTopic": "20",
   "Section": "45",
   "Paragraph": "2",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480535/715-20-45-2"
  },
  "r62": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "715",
   "SubTopic": "20",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r63": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "715",
   "SubTopic": "20",
   "Section": "50",
   "Paragraph": "2",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-2"
  },
  "r64": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "715",
   "SubTopic": "20",
   "Section": "50",
   "Paragraph": "3",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-3"
  },
  "r65": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "715",
   "SubTopic": "20",
   "Section": "50",
   "Paragraph": "4",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-4"
  },
  "r66": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "715",
   "SubTopic": "20",
   "Section": "55",
   "Paragraph": "17",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480482/715-20-55-17"
  },
  "r67": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "720",
   "SubTopic": "30",
   "Section": "45",
   "Paragraph": "1",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483384/720-30-45-1"
  },
  "r68": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "740",
   "SubTopic": "10",
   "Section": "45",
   "Paragraph": "6",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482525/740-10-45-6"
  },
  "r69": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "740",
   "SubTopic": "10",
   "Section": "50",
   "Paragraph": "3",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482685/740-10-50-3"
  },
  "r70": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "740",
   "SubTopic": "10",
   "Section": "50",
   "Paragraph": "3",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482685/740-10-50-3"
  },
  "r71": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "740",
   "SubTopic": "10",
   "Section": "50",
   "Paragraph": "8",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482685/740-10-50-8"
  },
  "r72": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "805",
   "SubTopic": "10",
   "Section": "50",
   "Paragraph": "2",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479328/805-10-50-2"
  },
  "r73": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "805",
   "SubTopic": "10",
   "Section": "50",
   "Paragraph": "3",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479328/805-10-50-3"
  },
  "r74": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "810",
   "SubTopic": "10",
   "Section": "45",
   "Paragraph": "15",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481231/810-10-45-15"
  },
  "r75": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "810",
   "SubTopic": "10",
   "Section": "45",
   "Paragraph": "16",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481231/810-10-45-16"
  },
  "r76": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "810",
   "SubTopic": "10",
   "Section": "45",
   "Paragraph": "21",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481231/810-10-45-21"
  },
  "r77": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "810",
   "SubTopic": "10",
   "Section": "50",
   "Paragraph": "1",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481203/810-10-50-1"
  },
  "r78": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "810",
   "SubTopic": "10",
   "Section": "50",
   "Paragraph": "2AA",
   "Subparagraph": "a",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481203/810-10-50-2AA"
  },
  "r79": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "810",
   "SubTopic": "10",
   "Section": "50",
   "Paragraph": "3",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481203/810-10-50-3"
  },
  "r80": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "810",
   "SubTopic": "10",
   "Section": "50",
   "Paragraph": "4",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481203/810-10-50-4"
  },
  "r81": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "810",
   "SubTopic": "10",
   "Section": "50",
   "Paragraph": "4",
   "Subparagraph": "(e)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481203/810-10-50-4"
  },
  "r82": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "810",
   "SubTopic": "10",
   "Section": "50",
   "Paragraph": "5A",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481203/810-10-50-5A"
  },
  "r83": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "810",
   "SubTopic": "10",
   "Section": "50",
   "Paragraph": "5A",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481203/810-10-50-5A"
  },
  "r84": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "810",
   "SubTopic": "10",
   "Section": "50",
   "Paragraph": "5A",
   "Subparagraph": "(d)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481203/810-10-50-5A"
  },
  "r85": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "810",
   "SubTopic": "10",
   "Section": "50",
   "Paragraph": "6",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481203/810-10-50-6"
  },
  "r86": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "810",
   "SubTopic": "10",
   "Section": "50",
   "Paragraph": "9",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481203/810-10-50-9"
  },
  "r87": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "810",
   "SubTopic": "10",
   "Section": "55",
   "Paragraph": "4I",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481175/810-10-55-4I"
  },
  "r88": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "810",
   "SubTopic": "10",
   "Section": "55",
   "Paragraph": "4J",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481175/810-10-55-4J"
  },
  "r89": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "810",
   "SubTopic": "10",
   "Section": "55",
   "Paragraph": "4K",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481175/810-10-55-4K"
  },
  "r90": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "815",
   "SubTopic": "10",
   "Section": "50",
   "Paragraph": "4A",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480434/815-10-50-4A"
  },
  "r91": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "815",
   "SubTopic": "10",
   "Section": "50",
   "Paragraph": "4B",
   "Subparagraph": "(d)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480434/815-10-50-4B"
  },
  "r92": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "820",
   "SubTopic": "10",
   "Section": "50",
   "Paragraph": "2",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482106/820-10-50-2"
  },
  "r93": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "825",
   "SubTopic": "10",
   "Section": "50",
   "Paragraph": "11",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482907/825-10-50-11"
  },
  "r94": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "825",
   "SubTopic": "10",
   "Section": "50",
   "Paragraph": "12",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482907/825-10-50-12"
  },
  "r95": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "825",
   "SubTopic": "10",
   "Section": "50",
   "Paragraph": "20",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482907/825-10-50-20"
  },
  "r96": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "825",
   "SubTopic": "10",
   "Section": "50",
   "Paragraph": "21",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482907/825-10-50-21"
  },
  "r97": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "835",
   "SubTopic": "30",
   "Section": "45",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482925/835-30-45-1A"
  },
  "r98": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "835",
   "SubTopic": "30",
   "Section": "45",
   "Paragraph": "2",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482925/835-30-45-2"
  },
  "r99": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "835",
   "SubTopic": "30",
   "Section": "45",
   "Paragraph": "3",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482925/835-30-45-3"
  },
  "r100": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "835",
   "SubTopic": "30",
   "Section": "55",
   "Paragraph": "8",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482949/835-30-55-8"
  },
  "r101": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "932",
   "SubTopic": "235",
   "Section": "50",
   "Paragraph": "1B",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482274/932-235-50-1B"
  },
  "r102": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "942",
   "SubTopic": "320",
   "Section": "50",
   "Paragraph": "5",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480832/942-320-50-5"
  },
  "r103": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "942",
   "SubTopic": "470",
   "Section": "50",
   "Paragraph": "3",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480848/942-470-50-3"
  },
  "r104": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "980",
   "SubTopic": "10",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SAB TOPIC 10.D)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480114/980-10-S99-1"
  },
  "r105": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "980",
   "SubTopic": "20",
   "Section": "45",
   "Paragraph": "1",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481834/980-20-45-1"
  },
  "r106": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "980",
   "SubTopic": "340",
   "Section": "50",
   "Paragraph": "2",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481878/980-340-50-2"
  },
  "r107": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "980",
   "SubTopic": "360",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SAB TOPIC 10.C)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479960/980-360-S99-1"
  },
  "r108": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "980",
   "SubTopic": "605",
   "Section": "50",
   "Paragraph": "1",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482040/980-605-50-1"
  },
  "r109": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "980",
   "SubTopic": "715",
   "Section": "50",
   "Paragraph": "1",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481691/980-715-50-1"
  },
  "r110": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Name": "Accounting Standards Codification",
   "Topic": "980",
   "SubTopic": "835",
   "Section": "25",
   "Paragraph": "1",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481668/980-835-25-1"
  },
  "r111": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "210",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.5-02(19)(a))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1"
  },
  "r112": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "210",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.5-02(19))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1"
  },
  "r113": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "210",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.5-02(20))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1"
  },
  "r114": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "210",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.5-02(26)(a))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1"
  },
  "r115": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "210",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.5-02(26)(b))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1"
  },
  "r116": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "210",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.5-02(30)(a)(3))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1"
  },
  "r117": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "210",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.5-02(32))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1"
  },
  "r118": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "220",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "11",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482790/220-10-45-11"
  },
  "r119": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "220",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "2",
   "Subparagraph": "(SX 210.5-03(20))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483621/220-10-S99-2"
  },
  "r120": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "220",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "2",
   "Subparagraph": "(SX 210.5-03(8))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483621/220-10-S99-2"
  },
  "r121": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "220",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "2",
   "Subparagraph": "(SX 210.5-03)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483621/220-10-S99-2"
  },
  "r122": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "220",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "2",
   "Subparagraph": "(SX 210.5-03.2(b))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483621/220-10-S99-2"
  },
  "r123": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "220",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "2",
   "Subparagraph": "(SX 210.5-03.4)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483621/220-10-S99-2"
  },
  "r124": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "220",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "2",
   "Subparagraph": "(SX 210.5-03.7(b))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483621/220-10-S99-2"
  },
  "r125": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "220",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "2",
   "Subparagraph": "(SX 210.5-03.7)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483621/220-10-S99-2"
  },
  "r126": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "220",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "2",
   "Subparagraph": "(SX 210.5-03.8)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483621/220-10-S99-2"
  },
  "r127": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "220",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "2",
   "Subparagraph": "(SX 210.5-03.9)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483621/220-10-S99-2"
  },
  "r128": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "230",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "13",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-13"
  },
  "r129": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "230",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "13",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-13"
  },
  "r130": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "230",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "24",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-24"
  },
  "r131": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "230",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "25",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-25"
  },
  "r132": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "230",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "28",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-28"
  },
  "r133": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "235",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//235/tableOfContent"
  },
  "r134": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "360",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//360/tableOfContent"
  },
  "r135": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "360",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482099/360-10-50-1"
  },
  "r136": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "360",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "2",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482099/360-10-50-2"
  },
  "r137": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "360",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "2",
   "Subparagraph": "(SAB Topic 5.CC)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480091/360-10-S99-2"
  },
  "r138": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "440",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//440/tableOfContent"
  },
  "r139": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "470",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//470/tableOfContent"
  },
  "r140": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "470",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "12A",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481573/470-10-45-12A"
  },
  "r141": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "505",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481112/505-10-50-6"
  },
  "r142": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "505",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "7",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481112/505-10-50-7"
  },
  "r143": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "505",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.3-04)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480008/505-10-S99-1"
  },
  "r144": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "505",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "5",
   "Subparagraph": "(SAB Topic 4.F)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480008/505-10-S99-5"
  },
  "r145": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(i)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r146": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "715",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Section": "50",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r147": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "715",
   "SubTopic": "20",
   "Subparagraph": "(f)",
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Section": "50",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r148": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "740",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Section": "50",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482685/740-10-50-12"
  },
  "r149": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "740",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Section": "50",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482685/740-10-50-2"
  },
  "r150": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "740",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SAB Topic 6.I.7)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479360/740-10-S99-1"
  },
  "r151": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "810",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//810/tableOfContent"
  },
  "r152": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "810",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "19",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481231/810-10-45-19"
  },
  "r153": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "810",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1A",
   "Subparagraph": "(a)(2)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481203/810-10-50-1A"
  },
  "r154": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "820",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//820/tableOfContent"
  },
  "r155": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "825",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "21",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482907/825-10-50-21"
  },
  "r156": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "932",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.4-10(a)(32))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479664/932-10-S99-1"
  },
  "r157": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "932",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.4-10(c)(3)(ii)(A))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479664/932-10-S99-1"
  },
  "r158": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "932",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.4-10(c)(7)(ii))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479664/932-10-S99-1"
  },
  "r159": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "942",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.9-03(1)(a))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479853/942-210-S99-1"
  },
  "r160": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "942",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.9-03(11))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479853/942-210-S99-1"
  },
  "r161": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "942",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.9-03(13))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479853/942-210-S99-1"
  },
  "r162": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "942",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.9-03(15)(2))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479853/942-210-S99-1"
  },
  "r163": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "942",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.9-03(15))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479853/942-210-S99-1"
  },
  "r164": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "942",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.9-03(16))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479853/942-210-S99-1"
  },
  "r165": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "942",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.9-03(22))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479853/942-210-S99-1"
  },
  "r166": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "942",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.9-03(23))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479853/942-210-S99-1"
  },
  "r167": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "942",
   "SubTopic": "220",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.9-04(22))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483589/942-220-S99-1"
  },
  "r168": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "942",
   "SubTopic": "220",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.9-04.9)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483589/942-220-S99-1"
  },
  "r169": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "980",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SAB Topic 10.D)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480114/980-10-S99-1"
  },
  "r170": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "980",
   "SubTopic": "340",
   "Name": "Accounting Standards Codification",
   "Section": "25",
   "Paragraph": "1",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482000/980-340-25-1"
  },
  "r171": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "980",
   "SubTopic": "340",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481878/980-340-50-1"
  },
  "r172": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "980",
   "SubTopic": "360",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SAB Topic 10.C)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479960/980-360-S99-1"
  },
  "r173": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "980",
   "SubTopic": "405",
   "Name": "Accounting Standards Codification",
   "Section": "25",
   "Paragraph": "1",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481854/980-405-25-1"
  },
  "r174": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "980",
   "SubTopic": "410",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SAB Topic 10.F)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479817/980-410-S99-1"
  },
  "r175": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "980",
   "SubTopic": "470",
   "Name": "Accounting Standards Codification",
   "Section": "40",
   "Paragraph": "2",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481881/980-470-40-2"
  },
  "r176": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "980",
   "SubTopic": "740",
   "Name": "Accounting Standards Codification",
   "Section": "25",
   "Paragraph": "1",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481974/980-740-25-1"
  },
  "r177": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "980",
   "SubTopic": "740",
   "Name": "Accounting Standards Codification",
   "Section": "25",
   "Paragraph": "2",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481974/980-740-25-2"
  },
  "r178": {
   "role": "http://fasb.org/us-gaap/role/ref/legacyRef",
   "Topic": "980",
   "SubTopic": "810",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "2",
   "Subparagraph": "(SAB Topic 10.A)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479666/980-810-S99-2"
  },
  "r179": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "2",
   "Subparagraph": "(a)",
   "SubTopic": "20",
   "Topic": "740",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482659/740-20-45-2"
  },
  "r180": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "6",
   "Subparagraph": "(a)",
   "SubTopic": "10",
   "Topic": "270",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482989/270-10-45-6"
  },
  "r181": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(a)",
   "SubTopic": "10",
   "Topic": "275",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482861/275-10-50-1"
  },
  "r182": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(b)",
   "SubTopic": "10",
   "Topic": "275",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482861/275-10-50-1"
  },
  "r183": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(c)",
   "SubTopic": "10",
   "Topic": "275",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482861/275-10-50-1"
  },
  "r184": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(d)",
   "SubTopic": "360",
   "Topic": "958",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480321/958-360-50-1"
  },
  "r185": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "11",
   "SubTopic": "10",
   "Topic": "275",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482861/275-10-50-11"
  },
  "r186": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "12",
   "SubTopic": "10",
   "Topic": "275",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482861/275-10-50-12"
  },
  "r187": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6",
   "SubTopic": "360",
   "Topic": "958",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480321/958-360-50-6"
  },
  "r188": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "7",
   "SubTopic": "360",
   "Topic": "958",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480321/958-360-50-7"
  },
  "r189": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "9",
   "Subparagraph": "(b)",
   "SubTopic": "10",
   "Topic": "740",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482685/740-10-50-9"
  },
  "r190": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SAB Topic 10.D)",
   "SubTopic": "10",
   "Topic": "980",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480114/980-10-S99-1"
  },
  "r191": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.4-08(h))",
   "SubTopic": "10",
   "Topic": "235",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480678/235-10-S99-1"
  },
  "r192": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "Accounting Standards Codification",
   "Topic": "275",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//275/tableOfContent"
  },
  "r193": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "Accounting Standards Codification",
   "Topic": "606",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//606/tableOfContent"
  },
  "r194": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "Regulation S-X (SX)",
   "Number": "210",
   "Section": "12",
   "Subsection": "28",
   "Footnote": "4",
   "Publisher": "SEC"
  },
  "r195": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "Regulation S-X (SX)",
   "Number": "210",
   "Section": "12",
   "Subsection": "28",
   "Footnote": "5",
   "Publisher": "SEC"
  },
  "r196": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "Regulation S-X (SX)",
   "Number": "210",
   "Section": "13",
   "Subsection": "01",
   "Paragraph": "(a)",
   "Subparagraph": "(4)(i)",
   "Publisher": "SEC"
  },
  "r197": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "Regulation S-X (SX)",
   "Number": "210",
   "Section": "13",
   "Subsection": "01",
   "Paragraph": "(a)",
   "Subparagraph": "(4)(iii)(A)",
   "Publisher": "SEC"
  },
  "r198": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "Regulation S-X (SX)",
   "Number": "210",
   "Section": "13",
   "Subsection": "01",
   "Paragraph": "(a)",
   "Subparagraph": "(4)(iii)(B)",
   "Publisher": "SEC"
  },
  "r199": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "Regulation S-X (SX)",
   "Number": "210",
   "Section": "13",
   "Subsection": "01",
   "Paragraph": "(a)",
   "Subparagraph": "(4)(iv)",
   "Publisher": "SEC"
  },
  "r200": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "Regulation S-X (SX)",
   "Number": "210",
   "Section": "13",
   "Subsection": "02",
   "Paragraph": "(a)",
   "Subparagraph": "(4)(i)",
   "Publisher": "SEC"
  },
  "r201": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "Regulation S-X (SX)",
   "Number": "210",
   "Section": "13",
   "Subsection": "02",
   "Paragraph": "(a)",
   "Subparagraph": "(4)(iii)(A)",
   "Publisher": "SEC"
  },
  "r202": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "Regulation S-X (SX)",
   "Number": "210",
   "Section": "13",
   "Subsection": "02",
   "Paragraph": "(a)",
   "Subparagraph": "(4)(iii)(B)",
   "Publisher": "SEC"
  },
  "r203": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "Regulation S-X (SX)",
   "Number": "210",
   "Section": "13",
   "Subsection": "02",
   "Paragraph": "(a)",
   "Subparagraph": "(4)(iii)(C)",
   "Publisher": "SEC"
  },
  "r204": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "Regulation S-X (SX)",
   "Number": "210",
   "Section": "13",
   "Subsection": "02",
   "Paragraph": "(a)",
   "Subparagraph": "(4)(iv)",
   "Publisher": "SEC"
  },
  "r205": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "Regulation S-X (SX)",
   "Number": "210",
   "Section": "4",
   "Subsection": "08",
   "Paragraph": "(m)",
   "Subparagraph": "(1)(iii)",
   "Publisher": "SEC"
  },
  "r206": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "Regulation S-X (SX)",
   "Number": "210",
   "Section": "5",
   "Subsection": "04",
   "Paragraph": "c",
   "Subparagraph": "Schedule III",
   "Publisher": "SEC"
  },
  "r207": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "105",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "65",
   "Paragraph": "6",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479343/105-10-65-6"
  },
  "r208": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "105",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "65",
   "Paragraph": "6",
   "Subparagraph": "(d)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479343/105-10-65-6"
  },
  "r209": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "205",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "7",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483499/205-20-50-7"
  },
  "r210": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "210",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "1",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483467/210-10-45-1"
  },
  "r211": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "210",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "5",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483467/210-10-45-5"
  },
  "r212": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "210",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483489/210-10-50-1"
  },
  "r213": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "210",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.5-02(1))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1"
  },
  "r214": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "210",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.5-02(17))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1"
  },
  "r215": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "210",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.5-02(18))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1"
  },
  "r216": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "210",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.5-02(20))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1"
  },
  "r217": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "210",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.5-02(22))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1"
  },
  "r218": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "210",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.5-02(30)(a)(4))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1"
  },
  "r219": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "210",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.5-02(6)(b))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1"
  },
  "r220": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "210",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.5-02(9))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1"
  },
  "r221": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "220",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "10A",
   "Subparagraph": "(e)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482790/220-10-45-10A"
  },
  "r222": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "220",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "11",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482790/220-10-45-11"
  },
  "r223": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "220",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "17A",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482790/220-10-45-17A"
  },
  "r224": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "220",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "1A",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482790/220-10-45-1A"
  },
  "r225": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "220",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "1A",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482790/220-10-45-1A"
  },
  "r226": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "220",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "1A",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482790/220-10-45-1A"
  },
  "r227": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "220",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "1B",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482790/220-10-45-1B"
  },
  "r228": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "220",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "1B",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482790/220-10-45-1B"
  },
  "r229": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "220",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482765/220-10-50-1"
  },
  "r230": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "220",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482765/220-10-50-4"
  },
  "r231": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "220",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "5",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482765/220-10-50-5"
  },
  "r232": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "220",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482765/220-10-50-6"
  },
  "r233": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "220",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "2",
   "Subparagraph": "(210.5-03(11))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483621/220-10-S99-2"
  },
  "r234": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "220",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "2",
   "Subparagraph": "(SX 210.5-03(1))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483621/220-10-S99-2"
  },
  "r235": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "220",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "2",
   "Subparagraph": "(SX 210.5-03(21))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483621/220-10-S99-2"
  },
  "r236": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "220",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "2",
   "Subparagraph": "(SX 210.5-03(22))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483621/220-10-S99-2"
  },
  "r237": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "220",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "2",
   "Subparagraph": "(SX 210.5-03(23))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483621/220-10-S99-2"
  },
  "r238": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "220",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "2",
   "Subparagraph": "(SX 210.5-03(24))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483621/220-10-S99-2"
  },
  "r239": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "230",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "17",
   "Subparagraph": "(d)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-17"
  },
  "r240": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "230",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "2",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-2"
  },
  "r241": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "230",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "24",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-24"
  },
  "r242": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "230",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "25",
   "Subparagraph": "(e)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-25"
  },
  "r243": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "230",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "2",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482913/230-10-50-2"
  },
  "r244": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "235",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.4-08(g)(1)(ii))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480678/235-10-S99-1"
  },
  "r245": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "235",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.4-08(h)(2))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480678/235-10-S99-1"
  },
  "r246": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "235",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.4-08(m)(1)(iii))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480678/235-10-S99-1"
  },
  "r247": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "235",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.4-08(m)(2)(ii))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480678/235-10-S99-1"
  },
  "r248": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "235",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "3",
   "Subparagraph": "(SX 210.12-04(a))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480678/235-10-S99-3"
  },
  "r249": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "250",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "23",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483421/250-10-45-23"
  },
  "r250": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "250",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "24",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483421/250-10-45-24"
  },
  "r251": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "250",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "5",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483421/250-10-45-5"
  },
  "r252": {
   "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"
  },
  "r253": {
   "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"
  },
  "r254": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "250",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "11",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483443/250-10-50-11"
  },
  "r255": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "250",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "11",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483443/250-10-50-11"
  },
  "r256": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "250",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "3",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483443/250-10-50-3"
  },
  "r257": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "250",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483443/250-10-50-4"
  },
  "r258": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "250",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "7",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483443/250-10-50-7"
  },
  "r259": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "250",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "8",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483443/250-10-50-8"
  },
  "r260": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "250",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "9",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483443/250-10-50-9"
  },
  "r261": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "260",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "60B",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482689/260-10-45-60B"
  },
  "r262": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "270",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6A",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482964/270-10-50-6A"
  },
  "r263": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "272",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "1",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483014/272-10-45-1"
  },
  "r264": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "280",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "22",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482810/280-10-50-22"
  },
  "r265": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "280",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "22",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482810/280-10-50-22"
  },
  "r266": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "280",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "22",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482810/280-10-50-22"
  },
  "r267": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "280",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "22",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482810/280-10-50-22"
  },
  "r268": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "280",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "22",
   "Subparagraph": "(d)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482810/280-10-50-22"
  },
  "r269": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "280",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "22",
   "Subparagraph": "(e)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482810/280-10-50-22"
  },
  "r270": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "280",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "22",
   "Subparagraph": "(h)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482810/280-10-50-22"
  },
  "r271": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "280",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "29",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482810/280-10-50-29"
  },
  "r272": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "280",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "29",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482810/280-10-50-29"
  },
  "r273": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "280",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "29",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482810/280-10-50-29"
  },
  "r274": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "280",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "29",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482810/280-10-50-29"
  },
  "r275": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "280",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "29",
   "Subparagraph": "(d)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482810/280-10-50-29"
  },
  "r276": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "280",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "29",
   "Subparagraph": "(e)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482810/280-10-50-29"
  },
  "r277": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "280",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "30",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482810/280-10-50-30"
  },
  "r278": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "280",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "30",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482810/280-10-50-30"
  },
  "r279": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "280",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "30",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482810/280-10-50-30"
  },
  "r280": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "280",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "30",
   "Subparagraph": "(d)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482810/280-10-50-30"
  },
  "r281": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "280",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "31",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482810/280-10-50-31"
  },
  "r282": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "280",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "32",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482810/280-10-50-32"
  },
  "r283": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "280",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "32",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482810/280-10-50-32"
  },
  "r284": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "280",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "32",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482810/280-10-50-32"
  },
  "r285": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "280",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "32",
   "Subparagraph": "(d)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482810/280-10-50-32"
  },
  "r286": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "280",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "32",
   "Subparagraph": "(f)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482810/280-10-50-32"
  },
  "r287": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "280",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "40",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482810/280-10-50-40"
  },
  "r288": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "280",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "41",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482810/280-10-50-41"
  },
  "r289": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "280",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "42",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482810/280-10-50-42"
  },
  "r290": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "310",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "2",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481990/310-10-45-2"
  },
  "r291": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "310",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "9",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481990/310-10-45-9"
  },
  "r292": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "320",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "9",
   "Subparagraph": "(d)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-9"
  },
  "r293": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "321",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "3",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479536/321-10-50-3"
  },
  "r294": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "321",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "3",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479536/321-10-50-3"
  },
  "r295": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "323",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "3",
   "Subparagraph": "(a)(1)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481687/323-10-50-3"
  },
  "r296": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "323",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "3",
   "Subparagraph": "(a)(2)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481687/323-10-50-3"
  },
  "r297": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "323",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "3",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481687/323-10-50-3"
  },
  "r298": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "323",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "3",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481687/323-10-50-3"
  },
  "r299": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "326",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "65",
   "Paragraph": "4",
   "Subparagraph": "(d)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479654/326-10-65-4"
  },
  "r300": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "326",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "65",
   "Paragraph": "5",
   "Subparagraph": "(c)(2)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479654/326-10-65-5"
  },
  "r301": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "330",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//330/tableOfContent"
  },
  "r302": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "330",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483080/330-10-50-1"
  },
  "r303": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "330",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483080/330-10-50-4"
  },
  "r304": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "360",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "3",
   "Subparagraph": "(d)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482099/360-10-50-3"
  },
  "r305": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "410",
   "SubTopic": "30",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "7",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481931/410-30-50-7"
  },
  "r306": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "420",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482017/420-10-50-1"
  },
  "r307": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "440",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482648/440-10-50-4"
  },
  "r308": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "440",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482648/440-10-50-4"
  },
  "r309": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "450",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483076/450-20-50-4"
  },
  "r310": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "450",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "9",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483076/450-20-50-9"
  },
  "r311": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "450",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SAB Topic 5.Y.Q1)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480102/450-20-S99-1"
  },
  "r312": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "450",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SAB Topic 5.Y.Q2)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480102/450-20-S99-1"
  },
  "r313": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "450",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SAB Topic 5.Y.Q4)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480102/450-20-S99-1"
  },
  "r314": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "470",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1A",
   "Subparagraph": "(SX 210.13-01(a)(4)(i))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480097/470-10-S99-1A"
  },
  "r315": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "470",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1A",
   "Subparagraph": "(SX 210.13-01(a)(4)(iii)(A))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480097/470-10-S99-1A"
  },
  "r316": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "470",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1A",
   "Subparagraph": "(SX 210.13-01(a)(4)(iii)(B))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480097/470-10-S99-1A"
  },
  "r317": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "470",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1A",
   "Subparagraph": "(SX 210.13-01(a)(4)(iv))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480097/470-10-S99-1A"
  },
  "r318": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "470",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1A",
   "Subparagraph": "(SX 210.13-01(a)(5))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480097/470-10-S99-1A"
  },
  "r319": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "470",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1B",
   "Subparagraph": "(SX 210.13-02(a)(4)(i))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480097/470-10-S99-1B"
  },
  "r320": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "470",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1B",
   "Subparagraph": "(SX 210.13-02(a)(4)(iii)(A)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480097/470-10-S99-1B"
  },
  "r321": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "470",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1B",
   "Subparagraph": "(SX 210.13-02(a)(4)(iii)(A))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480097/470-10-S99-1B"
  },
  "r322": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "470",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1B",
   "Subparagraph": "(SX 210.13-02(a)(4)(iii)(B)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480097/470-10-S99-1B"
  },
  "r323": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "470",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1B",
   "Subparagraph": "(SX 210.13-02(a)(4)(iii)(B))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480097/470-10-S99-1B"
  },
  "r324": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "470",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1B",
   "Subparagraph": "(SX 210.13-02(a)(4)(iii)(C))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480097/470-10-S99-1B"
  },
  "r325": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "470",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1B",
   "Subparagraph": "(SX 210.13-02(a)(4)(iv))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480097/470-10-S99-1B"
  },
  "r326": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "470",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1B",
   "Subparagraph": "(SX 210.13-02(a)(5))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480097/470-10-S99-1B"
  },
  "r327": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "470",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1B",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481139/470-20-50-1B"
  },
  "r328": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "470",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1B",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481139/470-20-50-1B"
  },
  "r329": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "470",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1B",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481139/470-20-50-1B"
  },
  "r330": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "470",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1B",
   "Subparagraph": "(e)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481139/470-20-50-1B"
  },
  "r331": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "470",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1B",
   "Subparagraph": "(f)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481139/470-20-50-1B"
  },
  "r332": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "470",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1B",
   "Subparagraph": "(h)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481139/470-20-50-1B"
  },
  "r333": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "470",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1D",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481139/470-20-50-1D"
  },
  "r334": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "470",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1D",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481139/470-20-50-1D"
  },
  "r335": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "470",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1D",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481139/470-20-50-1D"
  },
  "r336": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "470",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1E",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481139/470-20-50-1E"
  },
  "r337": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "470",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1E",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481139/470-20-50-1E"
  },
  "r338": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "470",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1E",
   "Subparagraph": "(d)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481139/470-20-50-1E"
  },
  "r339": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "470",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1F",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481139/470-20-50-1F"
  },
  "r340": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "470",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1F",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481139/470-20-50-1F"
  },
  "r341": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "470",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1F",
   "Subparagraph": "(b)(1)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481139/470-20-50-1F"
  },
  "r342": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "470",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1F",
   "Subparagraph": "(b)(2)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481139/470-20-50-1F"
  },
  "r343": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "470",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1I",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481139/470-20-50-1I"
  },
  "r344": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "470",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4",
   "Subparagraph": "(b)(1)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481139/470-20-50-4"
  },
  "r345": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "470",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4",
   "Subparagraph": "(b)(3)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481139/470-20-50-4"
  },
  "r346": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "470",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481139/470-20-50-6"
  },
  "r347": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "505",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "13",
   "Subparagraph": "(e)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481112/505-10-50-13"
  },
  "r348": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "505",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.3-04)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480008/505-10-S99-1"
  },
  "r349": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "606",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "1",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479837/606-10-45-1"
  },
  "r350": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "606",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "2",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479837/606-10-45-2"
  },
  "r351": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "606",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "3",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479837/606-10-45-3"
  },
  "r352": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "606",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "10",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479806/606-10-50-10"
  },
  "r353": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "606",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "12",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479806/606-10-50-12"
  },
  "r354": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "606",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "12",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479806/606-10-50-12"
  },
  "r355": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "606",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "12",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479806/606-10-50-12"
  },
  "r356": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "606",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "12",
   "Subparagraph": "(d)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479806/606-10-50-12"
  },
  "r357": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "606",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "12",
   "Subparagraph": "(e)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479806/606-10-50-12"
  },
  "r358": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "606",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "13",
   "Subparagraph": "(b)(2)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479806/606-10-50-13"
  },
  "r359": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "606",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "15",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479806/606-10-50-15"
  },
  "r360": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "606",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479806/606-10-50-4"
  },
  "r361": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "606",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "5",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479806/606-10-50-5"
  },
  "r362": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "606",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "8",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479806/606-10-50-8"
  },
  "r363": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "606",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "8",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479806/606-10-50-8"
  },
  "r364": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "606",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "9",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479806/606-10-50-9"
  },
  "r365": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//715/tableOfContent"
  },
  "r366": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "2",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480535/715-20-45-2"
  },
  "r367": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "3A",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480535/715-20-45-3A"
  },
  "r368": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r369": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(a)(1)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r370": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(a)(10)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r371": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(a)(2)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r372": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(a)(3)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r373": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(a)(4)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r374": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(a)(5)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r375": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(a)(6)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r376": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(a)(7)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r377": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(a)(8)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r378": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(a)(9)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r379": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r380": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(b)(1)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r381": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(b)(2)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r382": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(b)(3)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r383": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(b)(4)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r384": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(b)(5)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r385": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(b)(6)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r386": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(b)(7)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r387": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(b)(8)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r388": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r389": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(d)(i)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r390": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(d)(ii)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r391": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(d)(iii)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r392": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(d)(iv)(01)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r393": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(d)(iv)(02)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r394": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(d)(iv)(02)(A)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r395": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(d)(iv)(02)(B)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r396": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(d)(iv)(02)(C)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r397": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(d)(iv)(03)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r398": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(e)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r399": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(f)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r400": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(g)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r401": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(h)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r402": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(h)(1)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r403": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(h)(2)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r404": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(h)(3)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r405": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(h)(4)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r406": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(h)(5)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r407": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(h)(6)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r408": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(h)(7)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r409": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(i)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r410": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(j)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r411": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(k)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r412": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(k)(1)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r413": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(k)(3)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r414": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(k)(4)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r415": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(l)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r416": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(n)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r417": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(o)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r418": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(p)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r419": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(q)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r420": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(r)(1)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r421": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(r)(2)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r422": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "2",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-2"
  },
  "r423": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-6"
  },
  "r424": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6",
   "Subparagraph": "(a)(1)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-6"
  },
  "r425": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6",
   "Subparagraph": "(a)(2)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-6"
  },
  "r426": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6",
   "Subparagraph": "(a)(3)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-6"
  },
  "r427": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6",
   "Subparagraph": "(a)(4)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-6"
  },
  "r428": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6",
   "Subparagraph": "(a)(5)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-6"
  },
  "r429": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6",
   "Subparagraph": "(a)(6)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-6"
  },
  "r430": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6",
   "Subparagraph": "(a)(7)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-6"
  },
  "r431": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-6"
  },
  "r432": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "8",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-8"
  },
  "r433": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "2",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480126/715-20-S99-2"
  },
  "r434": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "60",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "3",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480266/715-60-50-3"
  },
  "r435": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "60",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480266/715-60-50-4"
  },
  "r436": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "70",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480794/715-70-50-1"
  },
  "r437": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "80",
   "Name": "Accounting Standards Codification",
   "Section": "35",
   "Paragraph": "1",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480606/715-80-35-1"
  },
  "r438": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "80",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "11",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480576/715-80-50-11"
  },
  "r439": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "80",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "5",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480576/715-80-50-5"
  },
  "r440": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "80",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "5",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480576/715-80-50-5"
  },
  "r441": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "80",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "5",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480576/715-80-50-5"
  },
  "r442": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "80",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "5",
   "Subparagraph": "(d)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480576/715-80-50-5"
  },
  "r443": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "80",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "5",
   "Subparagraph": "(e)(1)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480576/715-80-50-5"
  },
  "r444": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "80",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "5",
   "Subparagraph": "(e)(2)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480576/715-80-50-5"
  },
  "r445": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "80",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "5",
   "Subparagraph": "(f)(1)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480576/715-80-50-5"
  },
  "r446": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "80",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "5",
   "Subparagraph": "(f)(2)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480576/715-80-50-5"
  },
  "r447": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "80",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "5",
   "Subparagraph": "(f)(3)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480576/715-80-50-5"
  },
  "r448": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "715",
   "SubTopic": "80",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "9",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480576/715-80-50-9"
  },
  "r449": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "718",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "2",
   "Subparagraph": "(f)(2)(ii)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2"
  },
  "r450": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "718",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "2",
   "Subparagraph": "(f)(2)(iii)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2"
  },
  "r451": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "718",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "2",
   "Subparagraph": "(f)(2)(iv)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2"
  },
  "r452": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "718",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "65",
   "Paragraph": "15",
   "Subparagraph": "(e)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480336/718-10-65-15"
  },
  "r453": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "718",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "65",
   "Paragraph": "15",
   "Subparagraph": "(f)(1)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480336/718-10-65-15"
  },
  "r454": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "718",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "65",
   "Paragraph": "15",
   "Subparagraph": "(f)(2)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480336/718-10-65-15"
  },
  "r455": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "740",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//740/tableOfContent"
  },
  "r456": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "740",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "25",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482525/740-10-45-25"
  },
  "r457": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "740",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "28",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482525/740-10-45-28"
  },
  "r458": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "740",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "4",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482525/740-10-45-4"
  },
  "r459": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "740",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "6",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482525/740-10-45-6"
  },
  "r460": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "740",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "10",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482685/740-10-50-10"
  },
  "r461": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "740",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "12",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482685/740-10-50-12"
  },
  "r462": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "740",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "14",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482685/740-10-50-14"
  },
  "r463": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "740",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "17",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482685/740-10-50-17"
  },
  "r464": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "740",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "19",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482685/740-10-50-19"
  },
  "r465": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "740",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "2",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482685/740-10-50-2"
  },
  "r466": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "740",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "2",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482685/740-10-50-2"
  },
  "r467": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "740",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "2",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482685/740-10-50-2"
  },
  "r468": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "740",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "20",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482685/740-10-50-20"
  },
  "r469": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "740",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "21",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482685/740-10-50-21"
  },
  "r470": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "740",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "9",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482685/740-10-50-9"
  },
  "r471": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "740",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "9",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482685/740-10-50-9"
  },
  "r472": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "740",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "65",
   "Paragraph": "8",
   "Subparagraph": "(d)(2)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482615/740-10-65-8"
  },
  "r473": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "740",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "65",
   "Paragraph": "8",
   "Subparagraph": "(d)(3)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482615/740-10-65-8"
  },
  "r474": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "740",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SAB TOPIC 6.I.5.Q1)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479360/740-10-S99-1"
  },
  "r475": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "740",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SAB TOPIC 6.I.7)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479360/740-10-S99-1"
  },
  "r476": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "740",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SAB Topic 6.I.Fact.1)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479360/740-10-S99-1"
  },
  "r477": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "740",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SAB Topic 6.I.Fact.2)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479360/740-10-S99-1"
  },
  "r478": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "740",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "2",
   "Subparagraph": "(SAB Topic 11.C)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479360/740-10-S99-2"
  },
  "r479": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "740",
   "SubTopic": "270",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482526/740-270-50-1"
  },
  "r480": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "740",
   "SubTopic": "30",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "2",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482603/740-30-50-2"
  },
  "r481": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "805",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "5",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479907/805-20-50-5"
  },
  "r482": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "808",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(d)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479402/808-10-50-1"
  },
  "r483": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "810",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "19",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481231/810-10-45-19"
  },
  "r484": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "810",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "25",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481231/810-10-45-25"
  },
  "r485": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "810",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "25",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481231/810-10-45-25"
  },
  "r486": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "810",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1A",
   "Subparagraph": "(a)(1)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481203/810-10-50-1A"
  },
  "r487": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "810",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1A",
   "Subparagraph": "(c)(1)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481203/810-10-50-1A"
  },
  "r488": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "810",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "3",
   "Subparagraph": "(bb)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481203/810-10-50-3"
  },
  "r489": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "810",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "3",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481203/810-10-50-3"
  },
  "r490": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "815",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "65",
   "Paragraph": "6",
   "Subparagraph": "(e)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480528/815-20-65-6"
  },
  "r491": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "815",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "65",
   "Paragraph": "6",
   "Subparagraph": "(h)(1)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480528/815-20-65-6"
  },
  "r492": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "815",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "65",
   "Paragraph": "6",
   "Subparagraph": "(h)(1)(i)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480528/815-20-65-6"
  },
  "r493": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "815",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "65",
   "Paragraph": "6",
   "Subparagraph": "(h)(1)(iii)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480528/815-20-65-6"
  },
  "r494": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "815",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "65",
   "Paragraph": "6",
   "Subparagraph": "(h)(1)(iv)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480528/815-20-65-6"
  },
  "r495": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "815",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "65",
   "Paragraph": "6",
   "Subparagraph": "(i)(3)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480528/815-20-65-6"
  },
  "r496": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "815",
   "SubTopic": "40",
   "Name": "Accounting Standards Codification",
   "Section": "65",
   "Paragraph": "1",
   "Subparagraph": "(e)(3)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480175/815-40-65-1"
  },
  "r497": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "815",
   "SubTopic": "40",
   "Name": "Accounting Standards Codification",
   "Section": "65",
   "Paragraph": "1",
   "Subparagraph": "(f)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480175/815-40-65-1"
  },
  "r498": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "825",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "2",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482736/825-10-45-2"
  },
  "r499": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "825",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "10",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482907/825-10-50-10"
  },
  "r500": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "825",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "28",
   "Subparagraph": "(f)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482907/825-10-50-28"
  },
  "r501": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "830",
   "SubTopic": "30",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "17",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481694/830-30-45-17"
  },
  "r502": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "830",
   "SubTopic": "30",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "20",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481694/830-30-45-20"
  },
  "r503": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "830",
   "SubTopic": "30",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "20",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481694/830-30-45-20"
  },
  "r504": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "830",
   "SubTopic": "30",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "20",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481694/830-30-45-20"
  },
  "r505": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "830",
   "SubTopic": "30",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "20",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481694/830-30-45-20"
  },
  "r506": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "830",
   "SubTopic": "30",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "20",
   "Subparagraph": "(d)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481694/830-30-45-20"
  },
  "r507": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "830",
   "SubTopic": "30",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481674/830-30-50-1"
  },
  "r508": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "835",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483013/835-20-50-1"
  },
  "r509": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "835",
   "SubTopic": "30",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "3",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482925/835-30-45-3"
  },
  "r510": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "835",
   "SubTopic": "30",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482900/835-30-50-1"
  },
  "r511": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "842",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//842-20/tableOfContent"
  },
  "r512": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "842",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "1",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479041/842-20-45-1"
  },
  "r513": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "842",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "1",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479041/842-20-45-1"
  },
  "r514": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "842",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "2",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479041/842-20-45-2"
  },
  "r515": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "842",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147478964/842-20-50-1"
  },
  "r516": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "842",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4",
   "Subparagraph": "(g)(3)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147478964/842-20-50-4"
  },
  "r517": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "842",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4",
   "Subparagraph": "(g)(4)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147478964/842-20-50-4"
  },
  "r518": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "842",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147478964/842-20-50-6"
  },
  "r519": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "842",
   "SubTopic": "30",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//842-30/tableOfContent"
  },
  "r520": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "842",
   "SubTopic": "30",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "5",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479773/842-30-50-5"
  },
  "r521": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "845",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482864/845-10-50-1"
  },
  "r522": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "845",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482864/845-10-50-1"
  },
  "r523": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "845",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "3",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482864/845-10-50-3"
  },
  "r524": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "848",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "65",
   "Paragraph": "2",
   "Subparagraph": "(a)(3)(iii)(03)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483550/848-10-65-2"
  },
  "r525": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "850",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "3",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483326/850-10-50-3"
  },
  "r526": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "852",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "14",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481435/852-10-45-14"
  },
  "r527": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "855",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//855/tableOfContent"
  },
  "r528": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "855",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "2",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483399/855-10-50-2"
  },
  "r529": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "860",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "3",
   "Subparagraph": "(c)(1)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481326/860-20-50-3"
  },
  "r530": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "860",
   "SubTopic": "30",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1A",
   "Subparagraph": "(b)(1)(i)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481420/860-30-50-1A"
  },
  "r531": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "860",
   "SubTopic": "30",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1A",
   "Subparagraph": "(b)(1)(ii)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481420/860-30-50-1A"
  },
  "r532": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "860",
   "SubTopic": "30",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1A",
   "Subparagraph": "(b)(2)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481420/860-30-50-1A"
  },
  "r533": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "910",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482546/910-10-50-6"
  },
  "r534": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "912",
   "SubTopic": "330",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482105/912-330-50-1"
  },
  "r535": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "924",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SAB Topic 11.L)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479941/924-10-S99-1"
  },
  "r536": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "942",
   "SubTopic": "220",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.9-04(23))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483589/942-220-S99-1"
  },
  "r537": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "942",
   "SubTopic": "220",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.9-04(24))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483589/942-220-S99-1"
  },
  "r538": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "942",
   "SubTopic": "220",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.9-04(25))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483589/942-220-S99-1"
  },
  "r539": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "942",
   "SubTopic": "220",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.9-04(26))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483589/942-220-S99-1"
  },
  "r540": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "942",
   "SubTopic": "235",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.9-05(b)(2))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479557/942-235-S99-1"
  },
  "r541": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "944",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.7-03(a)(12))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479440/944-210-S99-1"
  },
  "r542": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "944",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.7-03(a)(15)(b)(2))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479440/944-210-S99-1"
  },
  "r543": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "944",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.7-03(a)(23)(a)(3))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479440/944-210-S99-1"
  },
  "r544": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "944",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.7-03(a)(23)(a)(4))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479440/944-210-S99-1"
  },
  "r545": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "944",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.7-03(a)(24))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479440/944-210-S99-1"
  },
  "r546": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "944",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.7-03(a)(25))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479440/944-210-S99-1"
  },
  "r547": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "944",
   "SubTopic": "220",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.7-04(16))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483586/944-220-S99-1"
  },
  "r548": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "944",
   "SubTopic": "220",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.7-04(17))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483586/944-220-S99-1"
  },
  "r549": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "944",
   "SubTopic": "220",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.7-04(18))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483586/944-220-S99-1"
  },
  "r550": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "944",
   "SubTopic": "220",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.7-04(19))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483586/944-220-S99-1"
  },
  "r551": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "944",
   "SubTopic": "220",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.7-04(20))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483586/944-220-S99-1"
  },
  "r552": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "944",
   "SubTopic": "220",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.7-04(21))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483586/944-220-S99-1"
  },
  "r553": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "944",
   "SubTopic": "220",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.7-04(22))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483586/944-220-S99-1"
  },
  "r554": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "944",
   "SubTopic": "220",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.7-04(3)(b))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483586/944-220-S99-1"
  },
  "r555": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "944",
   "SubTopic": "220",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.7-04(9))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483586/944-220-S99-1"
  },
  "r556": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "944",
   "SubTopic": "235",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "2",
   "Subparagraph": "(SX 210.12-17(Column A))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480149/944-235-S99-2"
  },
  "r557": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "944",
   "SubTopic": "235",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "2",
   "Subparagraph": "(SX 210.12-17(Column B))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480149/944-235-S99-2"
  },
  "r558": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "944",
   "SubTopic": "235",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "2",
   "Subparagraph": "(SX 210.12-17(Column C))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480149/944-235-S99-2"
  },
  "r559": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "944",
   "SubTopic": "235",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "2",
   "Subparagraph": "(SX 210.12-17(Column D))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480149/944-235-S99-2"
  },
  "r560": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "944",
   "SubTopic": "235",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "2",
   "Subparagraph": "(SX 210.12-17(Column E))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480149/944-235-S99-2"
  },
  "r561": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "944",
   "SubTopic": "235",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "2",
   "Subparagraph": "(SX 210.12-17(Column F))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480149/944-235-S99-2"
  },
  "r562": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "944",
   "SubTopic": "40",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "7A",
   "Subparagraph": "(d)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480081/944-40-50-7A"
  },
  "r563": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "944",
   "SubTopic": "40",
   "Name": "Accounting Standards Codification",
   "Section": "65",
   "Paragraph": "2",
   "Subparagraph": "(e)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480016/944-40-65-2"
  },
  "r564": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "944",
   "SubTopic": "40",
   "Name": "Accounting Standards Codification",
   "Section": "65",
   "Paragraph": "2",
   "Subparagraph": "(f)(1)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480016/944-40-65-2"
  },
  "r565": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "944",
   "SubTopic": "40",
   "Name": "Accounting Standards Codification",
   "Section": "65",
   "Paragraph": "2",
   "Subparagraph": "(f)(2)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480016/944-40-65-2"
  },
  "r566": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "944",
   "SubTopic": "40",
   "Name": "Accounting Standards Codification",
   "Section": "65",
   "Paragraph": "2",
   "Subparagraph": "(g)(2)(i)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480016/944-40-65-2"
  },
  "r567": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "944",
   "SubTopic": "40",
   "Name": "Accounting Standards Codification",
   "Section": "65",
   "Paragraph": "2",
   "Subparagraph": "(g)(2)(ii)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480016/944-40-65-2"
  },
  "r568": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "944",
   "SubTopic": "40",
   "Name": "Accounting Standards Codification",
   "Section": "65",
   "Paragraph": "2",
   "Subparagraph": "(h)(2)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480016/944-40-65-2"
  },
  "r569": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "944",
   "SubTopic": "825",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479383/944-825-50-1B"
  },
  "r570": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "3",
   "Subparagraph": "(SX 210.6-03(d))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479886/946-10-S99-3"
  },
  "r571": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "3",
   "Subparagraph": "(SX 210.6-03(f)(1))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479886/946-10-S99-3"
  },
  "r572": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "3",
   "Subparagraph": "(SX 210.6-03(f)(2))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479886/946-10-S99-3"
  },
  "r573": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "3",
   "Subparagraph": "(SX 210.6-03(f)(3))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479886/946-10-S99-3"
  },
  "r574": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "3",
   "Subparagraph": "(SX 210.6-03(h)(1))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479886/946-10-S99-3"
  },
  "r575": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "3",
   "Subparagraph": "(SX 210.6-03(i)(1))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479886/946-10-S99-3"
  },
  "r576": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "3",
   "Subparagraph": "(SX 210.6-03(i)(2))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479886/946-10-S99-3"
  },
  "r577": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "11",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480990/946-20-50-11"
  },
  "r578": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "13",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480990/946-20-50-13"
  },
  "r579": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "3",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480767/946-205-45-3"
  },
  "r580": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "3",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480767/946-205-45-3"
  },
  "r581": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "4",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480767/946-205-45-4"
  },
  "r582": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "4",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480555/946-210-45-4"
  },
  "r583": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(b)(1)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480524/946-210-50-1"
  },
  "r584": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(c)(1)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480524/946-210-50-1"
  },
  "r585": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(c)(2)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480524/946-210-50-1"
  },
  "r586": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6",
   "Subparagraph": "(a)(1)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480524/946-210-50-6"
  },
  "r587": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480524/946-210-50-6"
  },
  "r588": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6",
   "Subparagraph": "(e)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480524/946-210-50-6"
  },
  "r589": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6",
   "Subparagraph": "(f)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480524/946-210-50-6"
  },
  "r590": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6-04(1))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1"
  },
  "r591": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6-04(12)(b)(1))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1"
  },
  "r592": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6-04(12)(b)(2))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1"
  },
  "r593": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6-04(12)(b)(3))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1"
  },
  "r594": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6-04(13)(a)(2))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1"
  },
  "r595": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6-04(13)(a)(3))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1"
  },
  "r596": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6-04(16)(a))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1"
  },
  "r597": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6-04(17))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1"
  },
  "r598": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6-04(19))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1"
  },
  "r599": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6-04(2)(a))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1"
  },
  "r600": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6-04(2)(b))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1"
  },
  "r601": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6-04(3)(a))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1"
  },
  "r602": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6-04(3)(b))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1"
  },
  "r603": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6-04(3)(c))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1"
  },
  "r604": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6-04(6)(b))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1"
  },
  "r605": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6-04(6)(c))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1"
  },
  "r606": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6-04(6)(d))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1"
  },
  "r607": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6-04(6)(e))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1"
  },
  "r608": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6-04(8))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1"
  },
  "r609": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6-04(9)(b))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1"
  },
  "r610": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6-04(9)(c))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1"
  },
  "r611": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6-04(9)(d))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1"
  },
  "r612": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6-04(9)(e))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1"
  },
  "r613": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "2",
   "Subparagraph": "(SX 210.6-05(2))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-2"
  },
  "r614": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "2",
   "Subparagraph": "(SX 210.6-05(4))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-2"
  },
  "r615": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "220",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "3",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483581/946-220-45-3"
  },
  "r616": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "220",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "7",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483581/946-220-45-7"
  },
  "r617": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "220",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6-07(1))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-1"
  },
  "r618": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "220",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6-07(2)(a))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-1"
  },
  "r619": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "220",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6-07(2)(g)(3))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-1"
  },
  "r620": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "220",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6-07(3))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-1"
  },
  "r621": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "220",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6-07(7)(a)(1))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-1"
  },
  "r622": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "220",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6-07(7)(a)(2))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-1"
  },
  "r623": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "220",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6-07(7)(a)(3))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-1"
  },
  "r624": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "220",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6-07(7)(a)(5))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-1"
  },
  "r625": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "220",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6-07(7)(a)(6))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-1"
  },
  "r626": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "220",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6-07(7)(a)(7))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-1"
  },
  "r627": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "220",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6-07(7)(c)(1))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-1"
  },
  "r628": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "220",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6-07(7)(c)(2))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-1"
  },
  "r629": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "220",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6-07(7)(c)(3))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-1"
  },
  "r630": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "220",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6-07(7)(c)(5))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-1"
  },
  "r631": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "220",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6-07(7)(c)(6))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-1"
  },
  "r632": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "220",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6-07(7)(c)(7))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-1"
  },
  "r633": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "220",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6-07(9))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-1"
  },
  "r634": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "220",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "3",
   "Subparagraph": "(SX 210.6-09(1)(d))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-3"
  },
  "r635": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "220",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "3",
   "Subparagraph": "(SX 210.6-09(4)(b))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-3"
  },
  "r636": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "220",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "3",
   "Subparagraph": "(SX 210.6-09(6))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-3"
  },
  "r637": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "220",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "3",
   "Subparagraph": "(SX 210.6-09(7))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-3"
  },
  "r638": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "320",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.12-12(Column A)(Footnote 1))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480032/946-320-S99-1"
  },
  "r639": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "320",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.12-12(Column A)(Footnote 2))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480032/946-320-S99-1"
  },
  "r640": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "320",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.12-12(Column C)(Footnote 5))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480032/946-320-S99-1"
  },
  "r641": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "320",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "12",
   "Subparagraph": "(i)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480032/946-320-S99-12"
  },
  "r642": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "320",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "19",
   "Subparagraph": "(2)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480032/946-320-S99-19"
  },
  "r643": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "320",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "2",
   "Subparagraph": "(SX 210.12-12A(Column A)(Footnote 2))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480032/946-320-S99-2"
  },
  "r644": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "320",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "2",
   "Subparagraph": "(SX 210.12-12A(Column C)(Footnote 4))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480032/946-320-S99-2"
  },
  "r645": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "320",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "3",
   "Subparagraph": "(SX 210.12-12B(Column A)(Footnote 4)(a))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480032/946-320-S99-3"
  },
  "r646": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "320",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "3",
   "Subparagraph": "(SX 210.12-12B(Column A)(Footnote 4)(b))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480032/946-320-S99-3"
  },
  "r647": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "320",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "3",
   "Subparagraph": "(SX 210.12-12B(Column A)(Footnote 7))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480032/946-320-S99-3"
  },
  "r648": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "320",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "3",
   "Subparagraph": "(SX 210.12-12B(Column C)(Footnote 2))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480032/946-320-S99-3"
  },
  "r649": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "320",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "5D",
   "Subparagraph": "(SX 210.12-13D(Column B)(Footnote 2))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480032/946-320-S99-5D"
  },
  "r650": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "320",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "5D",
   "Subparagraph": "(SX 210.12-13D(Column C)(Footnote 2))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480032/946-320-S99-5D"
  },
  "r651": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "320",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "6",
   "Subparagraph": "(SX 210.12-14(Column A)(Footnote 2))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480032/946-320-S99-6"
  },
  "r652": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "320",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "6",
   "Subparagraph": "(SX 210.12-14(Column F)(Footnote 7))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480032/946-320-S99-6"
  },
  "r653": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "320",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "7",
   "Subparagraph": "(SX 210.12-15(Column A))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480032/946-320-S99-7"
  },
  "r654": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "320",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "7",
   "Subparagraph": "(SX 210.12-15(Column B))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480032/946-320-S99-7"
  },
  "r655": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "320",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "7",
   "Subparagraph": "(SX 210.12-15(Column C))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480032/946-320-S99-7"
  },
  "r656": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "320",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "7",
   "Subparagraph": "(SX 210.12-15(Column D))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480032/946-320-S99-7"
  },
  "r657": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "946",
   "SubTopic": "505",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "3",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481004/946-505-50-3"
  },
  "r658": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "954",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "4",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480632/954-210-45-4"
  },
  "r659": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "954",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "2",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480602/954-210-50-2"
  },
  "r660": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "954",
   "SubTopic": "310",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "2",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481027/954-310-50-2"
  },
  "r661": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "954",
   "SubTopic": "440",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480327/954-440-50-1"
  },
  "r662": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "970",
   "SubTopic": "360",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.12-28(Footnote 4))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479438/970-360-S99-1"
  },
  "r663": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "970",
   "SubTopic": "360",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.12-28(Footnote 5))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479438/970-360-S99-1"
  },
  "r664": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "976",
   "SubTopic": "310",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482856/976-310-50-1"
  },
  "r665": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "978",
   "SubTopic": "310",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482707/978-310-50-1"
  },
  "r666": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4",
   "Subparagraph": "(e)",
   "SubTopic": "10",
   "Topic": "235",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483426/235-10-50-4"
  },
  "r667": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "Accounting Standards Codification",
   "Section": "55",
   "Paragraph": "13H",
   "Subparagraph": "(a)",
   "SubTopic": "40",
   "Topic": "944",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480046/944-40-55-13H"
  },
  "r668": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "210",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "1",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483467/210-10-45-1"
  },
  "r669": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "210",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "8",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483467/210-10-45-8"
  },
  "r670": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "210",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "55",
   "Paragraph": "16",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483444/210-20-55-16"
  },
  "r671": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "210",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "55",
   "Paragraph": "21",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483444/210-20-55-21"
  },
  "r672": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "210",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "55",
   "Paragraph": "22",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483444/210-20-55-22"
  },
  "r673": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "235",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483426/235-10-50-4"
  },
  "r674": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "235",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4",
   "Subparagraph": "(d)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483426/235-10-50-4"
  },
  "r675": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "235",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4",
   "Subparagraph": "(f)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483426/235-10-50-4"
  },
  "r676": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "280",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "31",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482810/280-10-50-31"
  },
  "r677": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "280",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "55",
   "Paragraph": "47",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482785/280-10-55-47"
  },
  "r678": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "310",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "55",
   "Paragraph": "12A",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481933/310-10-55-12A"
  },
  "r679": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "410",
   "SubTopic": "30",
   "Name": "Accounting Standards Codification",
   "Section": "55",
   "Paragraph": "16",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481899/410-30-55-16"
  },
  "r680": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "470",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1B",
   "Subparagraph": "(d)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481139/470-20-50-1B"
  },
  "r681": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "470",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "55",
   "Paragraph": "69B",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481568/470-20-55-69B"
  },
  "r682": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "470",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "55",
   "Paragraph": "69C",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481568/470-20-55-69C"
  },
  "r683": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "470",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "55",
   "Paragraph": "69E",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481568/470-20-55-69E"
  },
  "r684": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "470",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "55",
   "Paragraph": "69F",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481568/470-20-55-69F"
  },
  "r685": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "505",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "13",
   "Subparagraph": "(d)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481112/505-10-50-13"
  },
  "r686": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "606",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "55",
   "Paragraph": "91",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479777/606-10-55-91"
  },
  "r687": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "606",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "55",
   "Paragraph": "91",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479777/606-10-55-91"
  },
  "r688": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "606",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "55",
   "Paragraph": "91",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479777/606-10-55-91"
  },
  "r689": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "606",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "55",
   "Paragraph": "91",
   "Subparagraph": "(d)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479777/606-10-55-91"
  },
  "r690": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "606",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "55",
   "Paragraph": "91",
   "Subparagraph": "(e)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479777/606-10-55-91"
  },
  "r691": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "606",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "55",
   "Paragraph": "91",
   "Subparagraph": "(f)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479777/606-10-55-91"
  },
  "r692": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "606",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "55",
   "Paragraph": "91",
   "Subparagraph": "(g)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479777/606-10-55-91"
  },
  "r693": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(d)(ii)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r694": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(d)(iv)(01)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r695": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "55",
   "Paragraph": "17",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480482/715-20-55-17"
  },
  "r696": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "55",
   "Paragraph": "18",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480482/715-20-55-18"
  },
  "r697": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "715",
   "SubTopic": "80",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "11",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480576/715-80-50-11"
  },
  "r698": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "715",
   "SubTopic": "80",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "11",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480576/715-80-50-11"
  },
  "r699": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "715",
   "SubTopic": "80",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "11",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480576/715-80-50-11"
  },
  "r700": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "715",
   "SubTopic": "80",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480576/715-80-50-6"
  },
  "r701": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "715",
   "SubTopic": "80",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480576/715-80-50-6"
  },
  "r702": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "715",
   "SubTopic": "80",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480576/715-80-50-6"
  },
  "r703": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "715",
   "SubTopic": "80",
   "Name": "Accounting Standards Codification",
   "Section": "55",
   "Paragraph": "8",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480547/715-80-55-8"
  },
  "r704": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "810",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "55",
   "Paragraph": "4J",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481175/810-10-55-4J"
  },
  "r705": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "810",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "55",
   "Paragraph": "4K",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481175/810-10-55-4K"
  },
  "r706": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "842",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "55",
   "Paragraph": "53",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479589/842-20-55-53"
  },
  "r707": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "845",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "05",
   "Paragraph": "4",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482819/845-10-05-4"
  },
  "r708": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "845",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "05",
   "Paragraph": "4",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482819/845-10-05-4"
  },
  "r709": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "845",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "05",
   "Paragraph": "4",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482819/845-10-05-4"
  },
  "r710": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "845",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "05",
   "Paragraph": "4",
   "Subparagraph": "(d)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482819/845-10-05-4"
  },
  "r711": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "845",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "05",
   "Paragraph": "5",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482819/845-10-05-5"
  },
  "r712": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "845",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "05",
   "Paragraph": "6",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482819/845-10-05-6"
  },
  "r713": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "845",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "05",
   "Paragraph": "6",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482819/845-10-05-6"
  },
  "r714": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "845",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "05",
   "Paragraph": "6",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482819/845-10-05-6"
  },
  "r715": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "852",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "55",
   "Paragraph": "10",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481372/852-10-55-10"
  },
  "r716": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "944",
   "SubTopic": "30",
   "Name": "Accounting Standards Codification",
   "Section": "55",
   "Paragraph": "2",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479401/944-30-55-2"
  },
  "r717": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "944",
   "SubTopic": "40",
   "Name": "Accounting Standards Codification",
   "Section": "55",
   "Paragraph": "29F",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480046/944-40-55-29F"
  },
  "r718": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "946",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "55",
   "Paragraph": "1",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480493/946-210-55-1"
  },
  "r719": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "946",
   "SubTopic": "310",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "1",
   "Subparagraph": "(d)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480833/946-310-45-1"
  },
  "r720": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "946",
   "SubTopic": "320",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.12-12(Column A)(Footnote 2)(i))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480032/946-320-S99-1"
  },
  "r721": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "946",
   "SubTopic": "320",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "2",
   "Subparagraph": "(SX 210.12-12A(Column A)(Footnote 2))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480032/946-320-S99-2"
  },
  "r722": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "946",
   "SubTopic": "320",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "3",
   "Subparagraph": "(SX 210.12-12B(Column A)(Footnote 1)(a))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480032/946-320-S99-3"
  },
  "r723": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "946",
   "SubTopic": "320",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "6",
   "Subparagraph": "(SX 210.12-14(Column A)(Footnote 2))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480032/946-320-S99-6"
  },
  "r724": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "946",
   "SubTopic": "830",
   "Name": "Accounting Standards Codification",
   "Section": "55",
   "Paragraph": "10",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480167/946-830-55-10"
  },
  "r725": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "946",
   "SubTopic": "830",
   "Name": "Accounting Standards Codification",
   "Section": "55",
   "Paragraph": "11",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480167/946-830-55-11"
  },
  "r726": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "946",
   "SubTopic": "830",
   "Name": "Accounting Standards Codification",
   "Section": "55",
   "Paragraph": "12",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480167/946-830-55-12"
  },
  "r727": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "12",
   "Subsection": "b-2"
  },
  "r728": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "12",
   "Subsection": "b-23"
  },
  "r729": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 10-K",
   "Number": "249",
   "Section": "310"
  },
  "r730": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Number": "249",
   "Section": "220",
   "Subsection": "f"
  },
  "r731": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 40-F",
   "Number": "249",
   "Section": "240",
   "Subsection": "f"
  },
  "r732": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Forms 10-K, 10-Q, 20-F",
   "Number": "240",
   "Section": "13",
   "Subsection": "a-1"
  },
  "r733": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "w"
  },
  "r734": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-T",
   "Number": "232",
   "Section": "405"
  },
  "r735": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Securities Act",
   "Number": "230",
   "Section": "405"
  },
  "r736": {
   "role": "http://www.xbrl.org/2003/role/recommendedDisclosureRef",
   "Topic": "410",
   "SubTopic": "30",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "10",
   "Subparagraph": "(d)(1)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481931/410-30-50-10"
  },
  "r737": {
   "role": "http://www.xbrl.org/2003/role/recommendedDisclosureRef",
   "Topic": "410",
   "SubTopic": "30",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "10",
   "Subparagraph": "(d)(3)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481931/410-30-50-10"
  },
  "r738": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "15",
   "SubTopic": "10",
   "Topic": "230",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-15"
  },
  "r739": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(d)(iv)(02)(B)",
   "SubTopic": "20",
   "Topic": "715",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r740": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "18",
   "SubTopic": "10",
   "Topic": "275",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482861/275-10-50-18"
  },
  "r741": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1B",
   "SubTopic": "825",
   "Topic": "944",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479383/944-825-50-1B"
  },
  "r742": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4H",
   "SubTopic": "40",
   "Topic": "944",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480081/944-40-50-4H"
  },
  "r743": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Regulation S-X (SX)",
   "Number": "210",
   "Section": "12",
   "Subsection": "28",
   "Paragraph": "Column B",
   "Publisher": "SEC"
  },
  "r744": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Regulation S-X (SX)",
   "Number": "210",
   "Section": "12",
   "Subsection": "28",
   "Paragraph": "Column C",
   "Publisher": "SEC"
  },
  "r745": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Regulation S-X (SX)",
   "Number": "210",
   "Section": "12",
   "Subsection": "28",
   "Paragraph": "Column D",
   "Publisher": "SEC"
  },
  "r746": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Regulation S-X (SX)",
   "Number": "210",
   "Section": "12",
   "Subsection": "28",
   "Paragraph": "Column E",
   "Publisher": "SEC"
  },
  "r747": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Regulation S-X (SX)",
   "Number": "210",
   "Section": "12",
   "Subsection": "28",
   "Paragraph": "Column F",
   "Publisher": "SEC"
  },
  "r748": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Regulation S-X (SX)",
   "Number": "210",
   "Section": "12",
   "Subsection": "28",
   "Paragraph": "Column G",
   "Publisher": "SEC"
  },
  "r749": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Regulation S-X (SX)",
   "Number": "210",
   "Section": "12",
   "Subsection": "28",
   "Paragraph": "Column H",
   "Publisher": "SEC"
  },
  "r750": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Regulation S-X (SX)",
   "Number": "210",
   "Section": "12",
   "Subsection": "28",
   "Paragraph": "Column I",
   "Publisher": "SEC"
  },
  "r751": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Regulation S-X (SX)",
   "Number": "210",
   "Section": "13",
   "Subsection": "01",
   "Paragraph": "(a)",
   "Subparagraph": "(4)(i)",
   "Publisher": "SEC"
  },
  "r752": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Regulation S-X (SX)",
   "Number": "210",
   "Section": "13",
   "Subsection": "01",
   "Paragraph": "(a)",
   "Subparagraph": "(4)(ii)",
   "Publisher": "SEC"
  },
  "r753": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Regulation S-X (SX)",
   "Number": "210",
   "Section": "13",
   "Subsection": "01",
   "Paragraph": "(a)",
   "Subparagraph": "(4)(iii)",
   "Publisher": "SEC"
  },
  "r754": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Regulation S-X (SX)",
   "Number": "210",
   "Section": "13",
   "Subsection": "01",
   "Paragraph": "(a)",
   "Subparagraph": "(4)(iv)",
   "Publisher": "SEC"
  },
  "r755": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Regulation S-X (SX)",
   "Number": "210",
   "Section": "13",
   "Subsection": "02",
   "Paragraph": "(a)",
   "Subparagraph": "(4)(iv)",
   "Publisher": "SEC"
  },
  "r756": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "210",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.5-02(17))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1"
  },
  "r757": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "210",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.5-02(2))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1"
  },
  "r758": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "210",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.5-02(6)(a))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1"
  },
  "r759": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "210",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.5-02(6))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1"
  },
  "r760": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "210",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.5-02(9))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1"
  },
  "r761": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "220",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482765/220-10-50-4"
  },
  "r762": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "220",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "5",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482765/220-10-50-5"
  },
  "r763": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "220",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482765/220-10-50-6"
  },
  "r764": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "230",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "14",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-14"
  },
  "r765": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "230",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "28",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-28"
  },
  "r766": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "230",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "28",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-28"
  },
  "r767": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "235",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.4-08(f))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480678/235-10-S99-1"
  },
  "r768": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "235",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.4-08(g)(1)(ii))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480678/235-10-S99-1"
  },
  "r769": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "235",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.4-08(h)(1)(Note 1))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480678/235-10-S99-1"
  },
  "r770": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "235",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "3",
   "Subparagraph": "(S-X 210.12-04)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480678/235-10-S99-3"
  },
  "r771": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "235",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "3",
   "Subparagraph": "(SX 210.12-04(a))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480678/235-10-S99-3"
  },
  "r772": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "250",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "23",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483421/250-10-45-23"
  },
  "r773": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "250",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "24",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483421/250-10-45-24"
  },
  "r774": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "250",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "5",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483421/250-10-45-5"
  },
  "r775": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "280",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "18",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482810/280-10-50-18"
  },
  "r776": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "321",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "3",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479536/321-10-50-3"
  },
  "r777": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "321",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "3",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479536/321-10-50-3"
  },
  "r778": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "321",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "3",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479536/321-10-50-3"
  },
  "r779": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "323",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "3",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481687/323-10-50-3"
  },
  "r780": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "410",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//410/tableOfContent"
  },
  "r781": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "410",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481850/410-20-50-1"
  },
  "r782": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "410",
   "SubTopic": "30",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "10",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481931/410-30-50-10"
  },
  "r783": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "410",
   "SubTopic": "30",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "10",
   "Subparagraph": "(d)(1)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481931/410-30-50-10"
  },
  "r784": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "410",
   "SubTopic": "30",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "7",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481931/410-30-50-7"
  },
  "r785": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "450",
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//450/tableOfContent"
  },
  "r786": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "450",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483076/450-20-50-1"
  },
  "r787": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "450",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "9",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483076/450-20-50-9"
  },
  "r788": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "450",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SAB Topic 5.Y.Q1)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480102/450-20-S99-1"
  },
  "r789": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "450",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SAB Topic 5.Y.Q2)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480102/450-20-S99-1"
  },
  "r790": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "470",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1A",
   "Subparagraph": "(SX 210.13-01(a)(4)(i))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480097/470-10-S99-1A"
  },
  "r791": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "470",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1A",
   "Subparagraph": "(SX 210.13-01(a)(4)(ii))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480097/470-10-S99-1A"
  },
  "r792": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "470",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1A",
   "Subparagraph": "(SX 210.13-01(a)(4)(iii))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480097/470-10-S99-1A"
  },
  "r793": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "470",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1A",
   "Subparagraph": "(SX 210.13-01(a)(4)(iv))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480097/470-10-S99-1A"
  },
  "r794": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "470",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1B",
   "Subparagraph": "(SX 210.13-02(a)(4)(iv))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480097/470-10-S99-1B"
  },
  "r795": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "470",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1B",
   "Subparagraph": "(d)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481139/470-20-50-1B"
  },
  "r796": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "470",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1D",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481139/470-20-50-1D"
  },
  "r797": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "470",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1E",
   "Subparagraph": "(d)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481139/470-20-50-1E"
  },
  "r798": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "606",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "10",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479806/606-10-50-10"
  },
  "r799": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "606",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "5",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479806/606-10-50-5"
  },
  "r800": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "606",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "55",
   "Paragraph": "91",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479777/606-10-55-91"
  },
  "r801": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r802": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(a)(1)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r803": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(a)(10)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r804": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(a)(2)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r805": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(a)(3)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r806": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(a)(4)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r807": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(a)(5)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r808": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(a)(6)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r809": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(a)(7)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r810": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(a)(8)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r811": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(a)(9)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r812": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r813": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(b)(1)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r814": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(b)(2)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r815": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(b)(3)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r816": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(b)(4)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r817": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(b)(5)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r818": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(b)(6)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r819": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(b)(7)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r820": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(b)(8)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r821": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r822": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(d)(i)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r823": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(d)(ii)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r824": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(d)(iv)(01)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r825": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(d)(iv)(02)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r826": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(d)(iv)(02)(A)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r827": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(d)(iv)(02)(C)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r828": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(d)(iv)(03)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r829": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(e)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r830": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(f)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r831": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(g)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r832": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(h)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r833": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(h)(1)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r834": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(h)(2)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r835": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(h)(3)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r836": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(h)(4)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r837": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(h)(5)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r838": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(h)(6)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r839": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(h)(7)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r840": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(i)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r841": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(j)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r842": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(k)(1)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r843": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(k)(2)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r844": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(k)(3)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r845": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(k)(4)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r846": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(n)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r847": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(q)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1"
  },
  "r848": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "2",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-2"
  },
  "r849": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "3",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-3"
  },
  "r850": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "3",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-3"
  },
  "r851": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-6"
  },
  "r852": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6",
   "Subparagraph": "(a)(1)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-6"
  },
  "r853": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6",
   "Subparagraph": "(a)(2)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-6"
  },
  "r854": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6",
   "Subparagraph": "(a)(3)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-6"
  },
  "r855": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6",
   "Subparagraph": "(a)(4)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-6"
  },
  "r856": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6",
   "Subparagraph": "(a)(5)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-6"
  },
  "r857": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6",
   "Subparagraph": "(a)(6)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-6"
  },
  "r858": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6",
   "Subparagraph": "(a)(7)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-6"
  },
  "r859": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-6"
  },
  "r860": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "8",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-8"
  },
  "r861": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "60",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480266/715-60-50-4"
  },
  "r862": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "715",
   "SubTopic": "80",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "5",
   "Subparagraph": "(d)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480576/715-80-50-5"
  },
  "r863": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "740",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "12",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482685/740-10-50-12"
  },
  "r864": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "740",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "2",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482685/740-10-50-2"
  },
  "r865": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "740",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482685/740-10-50-6"
  },
  "r866": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "825",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "28",
   "Subparagraph": "(f)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482907/825-10-50-28"
  },
  "r867": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "842",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "4",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479041/842-20-45-4"
  },
  "r868": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "842",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147478964/842-20-50-4"
  },
  "r869": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "842",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147478964/842-20-50-6"
  },
  "r870": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "845",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147482864/845-10-50-1"
  },
  "r871": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "852",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "7",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481404/852-10-50-7"
  },
  "r872": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "852",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "7",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481404/852-10-50-7"
  },
  "r873": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "860",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "3",
   "Subparagraph": "(c)(1)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481326/860-20-50-3"
  },
  "r874": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "860",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "3",
   "Subparagraph": "(c)(2)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481326/860-20-50-3"
  },
  "r875": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "860",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "3",
   "Subparagraph": "(c)(3)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481326/860-20-50-3"
  },
  "r876": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "860",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4",
   "Subparagraph": "(b)(1)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481326/860-20-50-4"
  },
  "r877": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "860",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4",
   "Subparagraph": "(b)(2)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481326/860-20-50-4"
  },
  "r878": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "860",
   "SubTopic": "20",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4",
   "Subparagraph": "(b)(3)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147481326/860-20-50-4"
  },
  "r879": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "944",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.7-03(a)(16)(a)(1))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479440/944-210-S99-1"
  },
  "r880": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "944",
   "SubTopic": "210",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.7-03(a)(16)(a)(2))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479440/944-210-S99-1"
  },
  "r881": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "944",
   "SubTopic": "30",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "2B",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479432/944-30-50-2B"
  },
  "r882": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "944",
   "SubTopic": "40",
   "Name": "Accounting Standards Codification",
   "Section": "55",
   "Paragraph": "13H",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147480046/944-40-55-13H"
  },
  "r883": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "946",
   "SubTopic": "220",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "3",
   "Subparagraph": "(i)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483581/946-220-45-3"
  },
  "r884": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "946",
   "SubTopic": "220",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "3",
   "Subparagraph": "(SX 210.6-09(4)(b))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-3"
  },
  "r885": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "970",
   "SubTopic": "360",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.12-28(Column B))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479438/970-360-S99-1"
  },
  "r886": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "970",
   "SubTopic": "360",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.12-28(Column C))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479438/970-360-S99-1"
  },
  "r887": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "970",
   "SubTopic": "360",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.12-28(Column D))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479438/970-360-S99-1"
  },
  "r888": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "970",
   "SubTopic": "360",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.12-28(Column E))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479438/970-360-S99-1"
  },
  "r889": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "970",
   "SubTopic": "360",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.12-28(Column F))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479438/970-360-S99-1"
  },
  "r890": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "970",
   "SubTopic": "360",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.12-28(Column G))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479438/970-360-S99-1"
  },
  "r891": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "970",
   "SubTopic": "360",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.12-28(Column H))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479438/970-360-S99-1"
  },
  "r892": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "970",
   "SubTopic": "360",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.12-28(Column I))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org//1943274/2147479438/970-360-S99-1"
  }
 }
}
