{
 "version": "2.2",
 "instance": {
  "ef20074693_11k.htm": {
   "nsprefix": "gcbc",
   "nsuri": "http://thebankofgreenecounty.com/20251231",
   "dts": {
    "inline": {
     "local": [
      "ef20074693_11k.htm"
     ]
    },
    "schema": {
     "local": [
      "gcbc-20251231.xsd"
     ],
     "remote": [
      "http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xl-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xlink-2003-12-31.xsd",
      "http://www.xbrl.org/2005/xbrldt-2005.xsd",
      "http://www.xbrl.org/2006/ref-2006-02-27.xsd",
      "http://www.xbrl.org/lrr/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/2024-01-31/types.xsd",
      "https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd",
      "https://xbrl.fasb.org/srt/2025/elts/srt-roles-2025.xsd",
      "https://xbrl.fasb.org/srt/2025/elts/srt-types-2025.xsd",
      "https://xbrl.fasb.org/us-gaap/2025/ebp/elts/us-gaap-ebp-2025.xsd",
      "https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd",
      "https://xbrl.fasb.org/us-gaap/2025/elts/us-roles-2025.xsd",
      "https://xbrl.fasb.org/us-gaap/2025/elts/us-types-2025.xsd",
      "https://xbrl.sec.gov/country/2025/country-2025.xsd",
      "https://xbrl.sec.gov/dei/2025/dei-2025.xsd",
      "https://xbrl.sec.gov/sic/2025/sic-2025.xsd",
      "https://xbrl.sec.gov/stpr/2025/stpr-2025.xsd"
     ]
    },
    "calculationLink": {
     "local": [
      "gcbc-20251231_cal.xml"
     ]
    },
    "definitionLink": {
     "local": [
      "gcbc-20251231_def.xml"
     ]
    },
    "labelLink": {
     "local": [
      "gcbc-20251231_lab.xml"
     ]
    },
    "presentationLink": {
     "local": [
      "gcbc-20251231_pre.xml"
     ]
    }
   },
   "keyStandard": 66,
   "keyCustom": 15,
   "axisStandard": 6,
   "axisCustom": 0,
   "memberStandard": 12,
   "memberCustom": 7,
   "hidden": {
    "total": 84,
    "http://fasb.org/us-gaap-ebp/2025": 81,
    "http://xbrl.sec.gov/dei/2025": 3
   },
   "contextCount": 113,
   "entityCount": 1,
   "segmentCount": 19,
   "elementCount": 145,
   "unitCount": 6,
   "baseTaxonomies": {
    "http://fasb.org/us-gaap-ebp/2025": 254,
    "http://xbrl.sec.gov/dei/2025": 11
   },
   "report": {
    "R1": {
     "role": "http://thebankofgreenecounty.com/role/DocumentAndEntityInformation",
     "longName": "000 - Document - Document And Entity Information",
     "shortName": "Document And Entity Information",
     "isDefault": "true",
     "groupType": "document",
     "subGroupType": "",
     "menuCat": "Cover",
     "order": "1",
     "firstAnchor": {
      "contextRef": "c0",
      "name": "dei:DocumentType",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "dei:DocumentType",
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ef20074693_11k.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c0",
      "name": "dei:DocumentType",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "dei:DocumentType",
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ef20074693_11k.htm",
      "first": true,
      "unique": true
     }
    },
    "R2": {
     "role": "http://thebankofgreenecounty.com/role/EBPStatementNetAssetAvailableBenefit",
     "longName": "001 - Statement - STATEMENTS OF NET ASSETS AVAILABLE FOR PLAN BENEFITS",
     "shortName": "STATEMENTS OF NET ASSETS AVAILABLE FOR PLAN BENEFITS",
     "isDefault": "false",
     "groupType": "statement",
     "subGroupType": "",
     "menuCat": "Statements",
     "order": "2",
     "firstAnchor": {
      "contextRef": "c2",
      "name": "us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ef20074693_11k.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c2",
      "name": "us-gaap-ebp:EmployeeBenefitPlanAsset",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ef20074693_11k.htm",
      "unique": true
     }
    },
    "R3": {
     "role": "http://thebankofgreenecounty.com/role/EBPStatementChangeNetAssetAvailableBenefit",
     "longName": "002 - Statement - STATEMENTS OF CHANGES IN NET ASSETS AVAILABLE FOR PLAN BENEFITS",
     "shortName": "STATEMENTS OF CHANGES IN NET ASSETS AVAILABLE FOR PLAN BENEFITS",
     "isDefault": "false",
     "groupType": "statement",
     "subGroupType": "",
     "menuCat": "Statements",
     "order": "3",
     "firstAnchor": {
      "contextRef": "c1",
      "name": "us-gaap-ebp:EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestAndDividendIncomeOnInvestment",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ef20074693_11k.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c1",
      "name": "us-gaap-ebp:EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestAndDividendIncomeOnInvestment",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ef20074693_11k.htm",
      "first": true,
      "unique": true
     }
    },
    "R4": {
     "role": "http://thebankofgreenecounty.com/role/DESCRIPTIONOFPLAN",
     "longName": "003 - Disclosure - DESCRIPTION OF PLAN",
     "shortName": "DESCRIPTION OF PLAN",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "4",
     "firstAnchor": {
      "contextRef": "c1",
      "name": "us-gaap-ebp:EmployeeBenefitPlanDescriptionOfPlanTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ef20074693_11k.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c1",
      "name": "us-gaap-ebp:EmployeeBenefitPlanDescriptionOfPlanTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ef20074693_11k.htm",
      "first": true,
      "unique": true
     }
    },
    "R5": {
     "role": "http://thebankofgreenecounty.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIES",
     "longName": "004 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES",
     "shortName": "SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "5",
     "firstAnchor": {
      "contextRef": "c1",
      "name": "us-gaap-ebp:EmployeeBenefitPlanSummaryOfAccountingPolicyTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ef20074693_11k.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c1",
      "name": "us-gaap-ebp:EmployeeBenefitPlanSummaryOfAccountingPolicyTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ef20074693_11k.htm",
      "first": true,
      "unique": true
     }
    },
    "R6": {
     "role": "http://thebankofgreenecounty.com/role/PLANTERMINATION",
     "longName": "005 - Disclosure - PLAN TERMINATION",
     "shortName": "PLAN TERMINATION",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "6",
     "firstAnchor": {
      "contextRef": "c1",
      "name": "us-gaap-ebp:EmployeeBenefitPlanPlanTerminationTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ef20074693_11k.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c1",
      "name": "us-gaap-ebp:EmployeeBenefitPlanPlanTerminationTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ef20074693_11k.htm",
      "first": true,
      "unique": true
     }
    },
    "R7": {
     "role": "http://thebankofgreenecounty.com/role/PARTYININTERESTTRANSACTIONS",
     "longName": "006 - Disclosure - PARTY-IN-INTEREST TRANSACTIONS",
     "shortName": "PARTY-IN-INTEREST TRANSACTIONS",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "7",
     "firstAnchor": {
      "contextRef": "c1",
      "name": "us-gaap-ebp:EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ef20074693_11k.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c1",
      "name": "us-gaap-ebp:EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ef20074693_11k.htm",
      "first": true,
      "unique": true
     }
    },
    "R8": {
     "role": "http://thebankofgreenecounty.com/role/FAIRVALUEMEASUREMENTS",
     "longName": "007 - Disclosure - FAIR VALUE MEASUREMENTS",
     "shortName": "FAIR VALUE MEASUREMENTS",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "8",
     "firstAnchor": {
      "contextRef": "c1",
      "name": "us-gaap-ebp:EmployeeBenefitPlanInvestmentFairValueAndNavTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ef20074693_11k.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c1",
      "name": "us-gaap-ebp:EmployeeBenefitPlanInvestmentFairValueAndNavTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ef20074693_11k.htm",
      "first": true,
      "unique": true
     }
    },
    "R9": {
     "role": "http://thebankofgreenecounty.com/role/TAXSTATUS",
     "longName": "008 - Disclosure - TAX STATUS",
     "shortName": "TAX STATUS",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "9",
     "firstAnchor": {
      "contextRef": "c1",
      "name": "us-gaap-ebp:EmployeeBenefitPlanTaxStatusTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ef20074693_11k.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c1",
      "name": "us-gaap-ebp:EmployeeBenefitPlanTaxStatusTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ef20074693_11k.htm",
      "first": true,
      "unique": true
     }
    },
    "R10": {
     "role": "http://thebankofgreenecounty.com/role/ScheduleofAssetsHeldatEndofYear",
     "longName": "009 - Disclosure - Schedule of Assets (Held at End of Year)",
     "shortName": "Schedule of Assets (Held at End of Year)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "10",
     "firstAnchor": {
      "contextRef": "c1",
      "name": "us-gaap-ebp:EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ef20074693_11k.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c1",
      "name": "us-gaap-ebp:EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ef20074693_11k.htm",
      "first": true,
      "unique": true
     }
    },
    "R11": {
     "role": "http://thebankofgreenecounty.com/role/AccountingPoliciesByPolicy",
     "longName": "996000 - Disclosure - Accounting Policies, by Policy (Policies)",
     "shortName": "Accounting Policies, by Policy (Policies)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "policies",
     "menuCat": "Policies",
     "order": "11",
     "firstAnchor": {
      "contextRef": "c1",
      "name": "us-gaap-ebp:EmployeeBenefitPlanBasisOfAccountingPolicyTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "us-gaap-ebp:EmployeeBenefitPlanSummaryOfAccountingPolicyTextBlock",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ef20074693_11k.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c1",
      "name": "us-gaap-ebp:EmployeeBenefitPlanBasisOfAccountingPolicyTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "us-gaap-ebp:EmployeeBenefitPlanSummaryOfAccountingPolicyTextBlock",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ef20074693_11k.htm",
      "first": true,
      "unique": true
     }
    },
    "R12": {
     "role": "http://thebankofgreenecounty.com/role/DESCRIPTIONOFPLANTables",
     "longName": "996001 - Disclosure - DESCRIPTION OF PLAN (Tables)",
     "shortName": "DESCRIPTION OF PLAN (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "12",
     "firstAnchor": {
      "contextRef": "c1",
      "name": "us-gaap-ebp:EmployeeBenefitPlanContributionTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "us-gaap-ebp:EmployeeBenefitPlanDescriptionOfPlanTextBlock",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ef20074693_11k.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c1",
      "name": "us-gaap-ebp:EmployeeBenefitPlanContributionTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "us-gaap-ebp:EmployeeBenefitPlanDescriptionOfPlanTextBlock",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ef20074693_11k.htm",
      "first": true,
      "unique": true
     }
    },
    "R13": {
     "role": "http://thebankofgreenecounty.com/role/FAIRVALUEMEASUREMENTSTables",
     "longName": "996002 - Disclosure - FAIR VALUE MEASUREMENTS (Tables)",
     "shortName": "FAIR VALUE MEASUREMENTS (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "13",
     "firstAnchor": {
      "contextRef": "c1",
      "name": "us-gaap-ebp:EmployeeBenefitPlanInvestmentFairValueAndNavTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ef20074693_11k.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c1",
      "name": "us-gaap-ebp:EmployeeBenefitPlanInvestmentFairValueAndNavTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ef20074693_11k.htm",
      "first": true,
      "unique": true
     }
    },
    "R14": {
     "role": "http://thebankofgreenecounty.com/role/DESCRIPTIONOFPLANDetails",
     "longName": "996003 - Disclosure - DESCRIPTION OF PLAN (Details)",
     "shortName": "DESCRIPTION OF PLAN (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "14",
     "firstAnchor": {
      "contextRef": "c1",
      "name": "us-gaap-ebp:EmployeeBenefitPlanDescriptionAvailable",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "us-gaap-ebp:EmployeeBenefitPlanDescriptionOfPlanTextBlock",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ef20074693_11k.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c1",
      "name": "us-gaap-ebp:EmployeeBenefitPlanDescriptionAvailable",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "us-gaap-ebp:EmployeeBenefitPlanDescriptionOfPlanTextBlock",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ef20074693_11k.htm",
      "first": true,
      "unique": true
     }
    },
    "R15": {
     "role": "http://thebankofgreenecounty.com/role/PercentageofCompensationBasedonPlanYearTable",
     "longName": "996004 - Disclosure -  DESCRIPTION OF PLAN - Percentage of Compensation Based on Plan Year (Details)",
     "shortName": " DESCRIPTION OF PLAN - Percentage of Compensation Based on Plan Year (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "15",
     "firstAnchor": {
      "contextRef": "c1",
      "name": "gcbc:EmployeeBenefitPlanParticipantContributionAutomaticDeferralRateYearOne",
      "unitRef": "pure",
      "xsiNil": "false",
      "lang": null,
      "decimals": "INF",
      "ancestors": [
       "td",
       "tr",
       "table",
       "us-gaap-ebp:EmployeeBenefitPlanContributionTableTextBlock",
       "us-gaap-ebp:EmployeeBenefitPlanDescriptionOfPlanTextBlock",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ef20074693_11k.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c1",
      "name": "gcbc:EmployeeBenefitPlanParticipantContributionAutomaticDeferralRateYearOne",
      "unitRef": "pure",
      "xsiNil": "false",
      "lang": null,
      "decimals": "INF",
      "ancestors": [
       "td",
       "tr",
       "table",
       "us-gaap-ebp:EmployeeBenefitPlanContributionTableTextBlock",
       "us-gaap-ebp:EmployeeBenefitPlanDescriptionOfPlanTextBlock",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ef20074693_11k.htm",
      "first": true,
      "unique": true
     }
    },
    "R16": {
     "role": "http://thebankofgreenecounty.com/role/PARTYININTERESTTRANSACTIONSDetails",
     "longName": "996005 - Disclosure - PARTY-IN-INTEREST TRANSACTIONS (Details)",
     "shortName": "PARTY-IN-INTEREST TRANSACTIONS (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "16",
     "firstAnchor": {
      "contextRef": "c2",
      "name": "us-gaap-ebp:EmployeeBenefitPlanNoteReceivableFromParticipant",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ef20074693_11k.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c14",
      "name": "us-gaap-ebp:EmployeeBenefitPlanInvestmentNumberOfShares",
      "unitRef": "shares",
      "xsiNil": "false",
      "lang": null,
      "decimals": "INF",
      "ancestors": [
       "span",
       "div",
       "us-gaap-ebp:EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTextBlock",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ef20074693_11k.htm",
      "unique": true
     }
    },
    "R17": {
     "role": "http://thebankofgreenecounty.com/role/FAIRVALUEMEASUREMENTSDetails",
     "longName": "996006 - Disclosure - FAIR VALUE MEASUREMENTS (Details)",
     "shortName": "FAIR VALUE MEASUREMENTS (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "17",
     "firstAnchor": {
      "contextRef": "c2",
      "name": "us-gaap-ebp:EbpFairValueInvestmentNavUnfundedCommitment",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "span",
       "div",
       "us-gaap-ebp:EmployeeBenefitPlanInvestmentFairValueAndNavTextBlock",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ef20074693_11k.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c2",
      "name": "us-gaap-ebp:EbpFairValueInvestmentNavUnfundedCommitment",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "span",
       "div",
       "us-gaap-ebp:EmployeeBenefitPlanInvestmentFairValueAndNavTextBlock",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ef20074693_11k.htm",
      "first": true,
      "unique": true
     }
    },
    "R18": {
     "role": "http://thebankofgreenecounty.com/role/PlansInvestmentsatFairValueTable",
     "longName": "996007 - Disclosure - FAIR VALUE MEASUREMENTS - Plan\u2019s Investments at Fair Value (Details)",
     "shortName": "FAIR VALUE MEASUREMENTS - Plan\u2019s Investments at Fair Value (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "18",
     "firstAnchor": {
      "contextRef": "c2",
      "name": "us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ef20074693_11k.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c26",
      "name": "us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "td",
       "tr",
       "table",
       "us-gaap-ebp:EmployeeBenefitPlanInvestmentFairValueAndNavTableTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ef20074693_11k.htm",
      "unique": true
     }
    },
    "R19": {
     "role": "http://thebankofgreenecounty.com/role/TAXSTATUSDetails",
     "longName": "996008 - Disclosure - TAX STATUS (Details)",
     "shortName": "TAX STATUS (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "19",
     "firstAnchor": {
      "contextRef": "c1",
      "name": "us-gaap-ebp:EmployeeBenefitPlanTaxDeterminationLetterObtained",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "us-gaap-ebp:EmployeeBenefitPlanTaxStatusTextBlock",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ef20074693_11k.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c1",
      "name": "us-gaap-ebp:EmployeeBenefitPlanTaxDeterminationLetterObtained",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "us-gaap-ebp:EmployeeBenefitPlanTaxStatusTextBlock",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ef20074693_11k.htm",
      "first": true,
      "unique": true
     }
    },
    "R20": {
     "role": "http://thebankofgreenecounty.com/role/ScheduleofAssetsHeldatEndofYearDetails",
     "longName": "996009 - Disclosure - Schedule of Assets (Held at End of Year) (Details)",
     "shortName": "Schedule of Assets (Held at End of Year) (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "20",
     "firstAnchor": {
      "contextRef": "c1",
      "name": "dei:EntityTaxIdentificationNumber",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "us-gaap-ebp:EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTableTextBlock",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ef20074693_11k.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c1",
      "name": "dei:EntityTaxIdentificationNumber",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "us-gaap-ebp:EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTableTextBlock",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ef20074693_11k.htm",
      "first": true,
      "unique": true
     }
    },
    "R21": {
     "role": "http://thebankofgreenecounty.com/role/ScheduleofAssetsHeldatEndofYearTable",
     "longName": "996010 - Disclosure - Schedule of Assets (Held at End of Year) - Schedule of Assets (Held at End of Year) (Details)",
     "shortName": "Schedule of Assets (Held at End of Year) - Schedule of Assets (Held at End of Year) (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "21",
     "firstAnchor": {
      "contextRef": "c2",
      "name": "us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentParticipantLoanAfterDeemedDistribution",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "td",
       "tr",
       "table",
       "us-gaap-ebp:EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTableTextBlock",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ef20074693_11k.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c2",
      "name": "us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentParticipantLoanAfterDeemedDistribution",
      "unitRef": "usd",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "td",
       "tr",
       "table",
       "us-gaap-ebp:EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTableTextBlock",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ef20074693_11k.htm",
      "first": true,
      "unique": true
     }
    }
   },
   "tag": {
    "dei_AmendmentFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "AmendmentFlag",
     "presentation": [
      "http://thebankofgreenecounty.com/role/DocumentAndEntityInformation"
     ],
     "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_DefinedBenefitPlanCommonCollectiveTrustMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "DefinedBenefitPlanCommonCollectiveTrustMember",
     "presentation": [
      "http://thebankofgreenecounty.com/role/PlansInvestmentsatFairValueTable"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Common Collective Trust Fund [member]",
        "label": "Common Collective Trust [Member]"
       }
      }
     },
     "auth_ref": [
      "r107",
      "r116",
      "r119",
      "r126"
     ]
    },
    "gcbc_DocumentAndEntityInformationAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://thebankofgreenecounty.com/20251231",
     "localname": "DocumentAndEntityInformationAbstract",
     "auth_ref": []
    },
    "dei_DocumentFiscalYearFocus": {
     "xbrltype": "gYearItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "DocumentFiscalYearFocus",
     "presentation": [
      "http://thebankofgreenecounty.com/role/DocumentAndEntityInformation"
     ],
     "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_DocumentInformationLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "DocumentInformationLineItems",
     "presentation": [
      "http://thebankofgreenecounty.com/role/DocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table."
       }
      }
     },
     "auth_ref": []
    },
    "dei_DocumentInformationTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "DocumentInformationTable",
     "presentation": [
      "http://thebankofgreenecounty.com/role/DocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Container to support the formal attachment of each official or unofficial, public or private document as part of a submission package."
       }
      }
     },
     "auth_ref": []
    },
    "dei_DocumentPeriodEndDate": {
     "xbrltype": "dateItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "DocumentPeriodEndDate",
     "presentation": [
      "http://thebankofgreenecounty.com/role/DocumentAndEntityInformation"
     ],
     "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_DocumentType": {
     "xbrltype": "submissionTypeItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "DocumentType",
     "presentation": [
      "http://thebankofgreenecounty.com/role/DocumentAndEntityInformation"
     ],
     "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": []
    },
    "gcbc_EBP002Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://thebankofgreenecounty.com/20251231",
     "localname": "EBP002Member",
     "presentation": [
      "http://thebankofgreenecounty.com/role/AccountingPoliciesByPolicy",
      "http://thebankofgreenecounty.com/role/DESCRIPTIONOFPLAN",
      "http://thebankofgreenecounty.com/role/DESCRIPTIONOFPLANDetails",
      "http://thebankofgreenecounty.com/role/DESCRIPTIONOFPLANTables",
      "http://thebankofgreenecounty.com/role/DocumentAndEntityInformation",
      "http://thebankofgreenecounty.com/role/EBPStatementChangeNetAssetAvailableBenefit",
      "http://thebankofgreenecounty.com/role/EBPStatementNetAssetAvailableBenefit",
      "http://thebankofgreenecounty.com/role/FAIRVALUEMEASUREMENTS",
      "http://thebankofgreenecounty.com/role/FAIRVALUEMEASUREMENTSDetails",
      "http://thebankofgreenecounty.com/role/FAIRVALUEMEASUREMENTSTables",
      "http://thebankofgreenecounty.com/role/PARTYININTERESTTRANSACTIONS",
      "http://thebankofgreenecounty.com/role/PARTYININTERESTTRANSACTIONSDetails",
      "http://thebankofgreenecounty.com/role/PLANTERMINATION",
      "http://thebankofgreenecounty.com/role/PercentageofCompensationBasedonPlanYearTable",
      "http://thebankofgreenecounty.com/role/PlansInvestmentsatFairValueTable",
      "http://thebankofgreenecounty.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIES",
      "http://thebankofgreenecounty.com/role/ScheduleofAssetsHeldatEndofYear",
      "http://thebankofgreenecounty.com/role/ScheduleofAssetsHeldatEndofYearDetails",
      "http://thebankofgreenecounty.com/role/ScheduleofAssetsHeldatEndofYearTable",
      "http://thebankofgreenecounty.com/role/TAXSTATUS",
      "http://thebankofgreenecounty.com/role/TAXSTATUSDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "The Bank of Greene County Employees\u2019 Savings and Profit Sharing Plan and Trust [Member]",
        "documentation": "Plan number of employee stock purchase, saving, or similar plan (employee benefit plan (EBP).",
        "label": "EBP002 Member"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap-ebp_EbpFairValueInvestmentNavUnfundedCommitment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EbpFairValueInvestmentNavUnfundedCommitment",
     "crdr": "credit",
     "presentation": [
      "http://thebankofgreenecounty.com/role/FAIRVALUEMEASUREMENTSDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Unfunded commitments",
        "label": "EBP, Fair Value, Investment, NAV, Unfunded Commitment",
        "documentation": "Amount of unfunded commitment for investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), that is fair value measured at net asset value (NAV) per share as practical expedient."
       }
      }
     },
     "auth_ref": [
      "r37",
      "r94"
     ]
    },
    "us-gaap-ebp_EbpPlanName": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EbpPlanName",
     "presentation": [
      "http://thebankofgreenecounty.com/role/ScheduleofAssetsHeldatEndofYearDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Plan Name",
        "label": "EBP, Plan Name",
        "documentation": "Name of employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r166"
     ]
    },
    "us-gaap-ebp_EbpRiskAndUncertaintyPolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EbpRiskAndUncertaintyPolicyTextBlock",
     "presentation": [
      "http://thebankofgreenecounty.com/role/AccountingPoliciesByPolicy"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Risks and Uncertainties",
        "label": "EBP, Risk and Uncertainty [Policy Text Block]",
        "documentation": "Disclosure of accounting policy for risk and uncertainty of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, concentration risk."
       }
      }
     },
     "auth_ref": [
      "r43",
      "r44"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanAccountingPolicyAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanAccountingPolicyLineItems",
     "presentation": [
      "http://thebankofgreenecounty.com/role/AccountingPoliciesByPolicy",
      "http://thebankofgreenecounty.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIES"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]",
        "label": "EBP, Accounting Policy [Line Items]",
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table."
       }
      }
     },
     "auth_ref": [
      "r167",
      "r174"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanAccountingPolicyTable",
     "presentation": [
      "http://thebankofgreenecounty.com/role/AccountingPoliciesByPolicy",
      "http://thebankofgreenecounty.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIES"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "EBP, Accounting Policy [Table]",
        "documentation": "Disclosure of information about accounting policy for employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r167",
      "r174"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanAsset": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanAsset",
     "crdr": "debit",
     "calculation": {
      "http://thebankofgreenecounty.com/role/EBPStatementNetAssetAvailableBenefit": {
       "parentTag": "us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://thebankofgreenecounty.com/role/EBPStatementNetAssetAvailableBenefit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "TOTAL ASSETS",
        "label": "EBP, Asset",
        "documentation": "Amount of asset held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r49",
      "r57",
      "r87",
      "r127",
      "r183"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanAssetAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanAssetAbstract",
     "presentation": [
      "http://thebankofgreenecounty.com/role/EBPStatementNetAssetAvailableBenefit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "ASSETS",
        "label": "EBP, Asset [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanAssetHeldForInvestment",
     "crdr": "debit",
     "presentation": [
      "http://thebankofgreenecounty.com/role/ScheduleofAssetsHeldatEndofYearTable"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Total Investments",
        "label": "EBP, Asset Held for Investment",
        "documentation": "Amount of total assets in schedule of asset held for investment of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, current value of investment, participant loan, and plan interest in master trust."
       }
      }
     },
     "auth_ref": [
      "r135",
      "r137"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue",
     "crdr": "debit",
     "presentation": [
      "http://thebankofgreenecounty.com/role/ScheduleofAssetsHeldatEndofYearTable"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Current value",
        "label": "EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value",
        "documentation": "Current value of investment, excluding plan interest in master trust, in schedule of asset held for investment of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, derivative, investment measured at net asset value per share as practical expedient, and insurance contract."
       }
      }
     },
     "auth_ref": [
      "r86",
      "r142"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustParticipationStatusExtensibleEnumeration": {
     "xbrltype": "enumerationSetItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustParticipationStatusExtensibleEnumeration",
     "presentation": [
      "http://thebankofgreenecounty.com/role/ScheduleofAssetsHeldatEndofYearTable"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Participant-directed status",
        "label": "EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration]",
        "documentation": "Indicates status of participation by participant for investment, excluding plan interest in master trust, in schedule of asset held for investment of employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r86",
      "r142"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentParticipantLoanAfterDeemedDistribution": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanAssetHeldForInvestmentParticipantLoanAfterDeemedDistribution",
     "crdr": "debit",
     "presentation": [
      "http://thebankofgreenecounty.com/role/ScheduleofAssetsHeldatEndofYearTable"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Notes receivable from participants",
        "label": "EBP, Asset Held for Investment, Participant Loan, after Deemed Distribution",
        "documentation": "Amount, after deemed distribution, of participant loan in schedule of asset held for investment of employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r86",
      "r142"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentPartyInInterest": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanAssetHeldForInvestmentPartyInInterest",
     "presentation": [
      "http://thebankofgreenecounty.com/role/ScheduleofAssetsHeldatEndofYearTable"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Party-in-interest",
        "label": "EBP, Asset Held for Investment, Party-in-Interest [true false]",
        "documentation": "Indicates (true false) whether asset held for investment of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) was transacted with party-in-interest."
       }
      }
     },
     "auth_ref": [
      "r86",
      "r139"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanBasisOfAccountingPolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanBasisOfAccountingPolicyTextBlock",
     "presentation": [
      "http://thebankofgreenecounty.com/role/AccountingPoliciesByPolicy"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Basis of Presentation",
        "label": "EBP, Basis of Accounting [Policy Text Block]",
        "documentation": "Disclosure of accounting policy for basis of accounting used to prepare financial statements of employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r167",
      "r174"
     ]
    },
    "gcbc_EmployeeBenefitPlanCashPolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://thebankofgreenecounty.com/20251231",
     "localname": "EmployeeBenefitPlanCashPolicyTextBlock",
     "presentation": [
      "http://thebankofgreenecounty.com/role/AccountingPoliciesByPolicy"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Cash",
        "documentation": "Disclosure of accounting policy for cash held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).",
        "label": "Employee Benefit Plan Cash Policy Text Block"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecrease": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecrease",
     "crdr": "credit",
     "calculation": {
      "http://thebankofgreenecounty.com/role/EBPStatementChangeNetAssetAvailableBenefit": {
       "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecrease",
       "weight": -1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://thebankofgreenecounty.com/role/EBPStatementChangeNetAssetAvailableBenefit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "TOTAL DEDUCTIONS",
        "label": "EBP, Change in Net Asset Available for Benefit, Decrease",
        "documentation": "Amount of decrease in net asset available for benefit to participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r127",
      "r136"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseAbstract",
     "presentation": [
      "http://thebankofgreenecounty.com/role/EBPStatementChangeNetAssetAvailableBenefit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "DEDUCTIONS FROM NET ASSETS",
        "label": "EBP, Change in Net Asset Available for Benefit, Decrease [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForAdministrativeExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForAdministrativeExpense",
     "crdr": "credit",
     "calculation": {
      "http://thebankofgreenecounty.com/role/EBPStatementChangeNetAssetAvailableBenefit": {
       "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecrease",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://thebankofgreenecounty.com/role/EBPStatementChangeNetAssetAvailableBenefit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Administrative expenses",
        "label": "EBP, Change in Net Asset Available for Benefit, Decrease from Administrative Expense",
        "documentation": "Amount of decrease in net asset available for benefit from administrative expense incurred by employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r55",
      "r88",
      "r127"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForPaymentToParticipant": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForPaymentToParticipant",
     "crdr": "credit",
     "calculation": {
      "http://thebankofgreenecounty.com/role/EBPStatementChangeNetAssetAvailableBenefit": {
       "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecrease",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://thebankofgreenecounty.com/role/EBPStatementChangeNetAssetAvailableBenefit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Benefits paid to participants",
        "label": "EBP, Change in Net Asset Available for Benefit, Decrease from Payment to Participant",
        "documentation": "Amount of decrease in net asset available for benefit from payment of benefit to participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), including, but not limited to, withdrawal."
       }
      }
     },
     "auth_ref": [
      "r54",
      "r82",
      "r88",
      "r96",
      "r127"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncrease": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncrease",
     "crdr": "debit",
     "calculation": {
      "http://thebankofgreenecounty.com/role/EBPStatementChangeNetAssetAvailableBenefit": {
       "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecrease",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://thebankofgreenecounty.com/role/EBPStatementChangeNetAssetAvailableBenefit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "TOTAL ADDITIONS",
        "label": "EBP, Change in Net Asset Available for Benefit, Increase",
        "documentation": "Amount of increase in net asset available for benefit to participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r127",
      "r136"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecrease": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecrease",
     "crdr": "debit",
     "calculation": {
      "http://thebankofgreenecounty.com/role/EBPStatementChangeNetAssetAvailableBenefit": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://thebankofgreenecounty.com/role/EBPStatementChangeNetAssetAvailableBenefit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Net (decrease) increase in net assets",
        "label": "EBP, Change in Net Asset Available for Benefit, Increase (Decrease)",
        "documentation": "Amount of increase (decrease) in net asset available for benefit to participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r0",
      "r88",
      "r127",
      "r177"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForGainLossOnInvestment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForGainLossOnInvestment",
     "crdr": "debit",
     "calculation": {
      "http://thebankofgreenecounty.com/role/EBPStatementChangeNetAssetAvailableBenefit": {
       "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://thebankofgreenecounty.com/role/EBPStatementChangeNetAssetAvailableBenefit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Net appreciation in fair value of investments",
        "label": "EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Gain (Loss) on Investment",
        "documentation": "Amount of increase (decrease) in net asset available for benefit from realized and unrealized gain (loss) on investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r12",
      "r52",
      "r98",
      "r127"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment",
     "crdr": "debit",
     "calculation": {
      "http://thebankofgreenecounty.com/role/EBPStatementChangeNetAssetAvailableBenefit": {
       "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncrease",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://thebankofgreenecounty.com/role/EBPStatementChangeNetAssetAvailableBenefit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Net investment income",
        "label": "EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment",
        "documentation": "Amount of increase (decrease) in net asset available for benefit from income (loss) on investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, realized and unrealized gain (loss) on investment."
       }
      }
     },
     "auth_ref": [
      "r127"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestmentAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestmentAbstract",
     "presentation": [
      "http://thebankofgreenecounty.com/role/EBPStatementChangeNetAssetAvailableBenefit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Investment income:",
        "label": "EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContribution": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContribution",
     "crdr": "debit",
     "calculation": {
      "http://thebankofgreenecounty.com/role/EBPStatementChangeNetAssetAvailableBenefit": {
       "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncrease",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://thebankofgreenecounty.com/role/EBPStatementChangeNetAssetAvailableBenefit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Total contributions",
        "label": "EBP, Change in Net Asset Available for Benefit, Increase from Contribution",
        "documentation": "Amount of increase in net asset available for benefit from contribution to employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r127",
      "r136"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContributionAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContributionAbstract",
     "presentation": [
      "http://thebankofgreenecounty.com/role/EBPStatementChangeNetAssetAvailableBenefit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Contributions:",
        "label": "EBP, Change in Net Asset Available for Benefit, Increase from Contribution [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForEmployerContributionCash": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForEmployerContributionCash",
     "crdr": "debit",
     "calculation": {
      "http://thebankofgreenecounty.com/role/EBPStatementChangeNetAssetAvailableBenefit": {
       "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContribution",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://thebankofgreenecounty.com/role/EBPStatementChangeNetAssetAvailableBenefit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Employer",
        "label": "EBP, Change in Net Asset Available for Benefit, Increase from Employer Contribution, Cash",
        "documentation": "Amount of increase in net asset available for benefit from cash contribution from employer of participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r53",
      "r127"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestAndDividendIncomeOnInvestment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestAndDividendIncomeOnInvestment",
     "crdr": "debit",
     "calculation": {
      "http://thebankofgreenecounty.com/role/EBPStatementChangeNetAssetAvailableBenefit": {
       "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://thebankofgreenecounty.com/role/EBPStatementChangeNetAssetAvailableBenefit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Interest and dividend income",
        "label": "EBP, Change in Net Asset Available for Benefit, Increase from Interest and Dividend Income on Investment",
        "documentation": "Amount of increase in net asset available for benefit from interest and dividend income on investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r99"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionExcludingRollover": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionExcludingRollover",
     "crdr": "debit",
     "calculation": {
      "http://thebankofgreenecounty.com/role/EBPStatementChangeNetAssetAvailableBenefit": {
       "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContribution",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://thebankofgreenecounty.com/role/EBPStatementChangeNetAssetAvailableBenefit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Participant",
        "label": "EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Excluding Rollover",
        "documentation": "Amount, excluding rollover, of increase in net asset available for benefit from contribution by participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r127",
      "r131",
      "r132",
      "r133",
      "r171",
      "r172"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionRollover": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionRollover",
     "crdr": "debit",
     "calculation": {
      "http://thebankofgreenecounty.com/role/EBPStatementChangeNetAssetAvailableBenefit": {
       "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContribution",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://thebankofgreenecounty.com/role/EBPStatementChangeNetAssetAvailableBenefit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Rollover",
        "label": "EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Rollover",
        "documentation": "Amount of increase in net asset available for benefit from contribution transferred from another qualified plan or from individual retirement account of participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Excludes contribution for participant transmitted by employer of participant in EBP."
       }
      }
     },
     "auth_ref": [
      "r127",
      "r131",
      "r132",
      "r133",
      "r171",
      "r172"
     ]
    },
    "gcbc_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitInterestIncomeOnNotesReceivableFromParticipants": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://thebankofgreenecounty.com/20251231",
     "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitInterestIncomeOnNotesReceivableFromParticipants",
     "crdr": "debit",
     "calculation": {
      "http://thebankofgreenecounty.com/role/EBPStatementChangeNetAssetAvailableBenefit": {
       "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://thebankofgreenecounty.com/role/EBPStatementChangeNetAssetAvailableBenefit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Interest income, notes receivable from participants",
        "documentation": "Amount of increase in net asset available for benefit from interest income on note receivable from participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).",
        "label": "Employee Benefit Plan Change In Net Asset Available For Benefit Interest Income On Notes Receivable From Participants"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap-ebp_EmployeeBenefitPlanContributionParticipatingEmployerAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanContributionParticipatingEmployerAxis",
     "presentation": [
      "http://thebankofgreenecounty.com/role/DESCRIPTIONOFPLANDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "EBP, Contribution, Participating Employer [Axis]",
        "documentation": "Information by participating employer contributing to employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r81"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanContributionParticipatingEmployerDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanContributionParticipatingEmployerDomain",
     "presentation": [
      "http://thebankofgreenecounty.com/role/DESCRIPTIONOFPLANDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "EBP, Contribution, Participating Employer [Domain]",
        "documentation": "Participating employer contributing to employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r81"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanContributionTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanContributionTableTextBlock",
     "presentation": [
      "http://thebankofgreenecounty.com/role/DESCRIPTIONOFPLANTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Percentage of Compensation Based on Plan Year",
        "label": "EBP, Contribution [Table Text Block]",
        "documentation": "Tabular disclosure for contribution to employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r81"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanDescriptionAvailable": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanDescriptionAvailable",
     "presentation": [
      "http://thebankofgreenecounty.com/role/DESCRIPTIONOFPLANDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Plan agreement description",
        "label": "EBP, Description, Available [true false]",
        "documentation": "Indicates (true false) whether description of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) is published and made available."
       }
      }
     },
     "auth_ref": [
      "r56"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanDescriptionOfPlanAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "DESCRIPTION OF PLAN [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanDescriptionOfPlanLineItems",
     "presentation": [
      "http://thebankofgreenecounty.com/role/DESCRIPTIONOFPLAN",
      "http://thebankofgreenecounty.com/role/DESCRIPTIONOFPLANDetails",
      "http://thebankofgreenecounty.com/role/DESCRIPTIONOFPLANTables",
      "http://thebankofgreenecounty.com/role/PercentageofCompensationBasedonPlanYearTable"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "DESCRIPTION OF PLAN [Abstract]",
        "label": "EBP, Description of Plan [Line Items]",
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table."
       }
      }
     },
     "auth_ref": [
      "r134"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanDescriptionOfPlanTable",
     "presentation": [
      "http://thebankofgreenecounty.com/role/DESCRIPTIONOFPLAN",
      "http://thebankofgreenecounty.com/role/DESCRIPTIONOFPLANDetails",
      "http://thebankofgreenecounty.com/role/DESCRIPTIONOFPLANTables",
      "http://thebankofgreenecounty.com/role/PercentageofCompensationBasedonPlanYearTable"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "EBP, Description of Plan [Table]",
        "documentation": "Disclosure of information about description of employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r134"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanDescriptionOfPlanTextBlock",
     "presentation": [
      "http://thebankofgreenecounty.com/role/DESCRIPTIONOFPLAN"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "DESCRIPTION OF PLAN",
        "label": "EBP, Description of Plan [Text Block]",
        "documentation": "The entire disclosure for description of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, vesting and allocation provisions and disposition of forfeiture."
       }
      }
     },
     "auth_ref": [
      "r2",
      "r3",
      "r4",
      "r56",
      "r127"
     ]
    },
    "gcbc_EmployeeBenefitPlanEmployeeEligibilityServicePeriodRequiredToParticipateInPlan": {
     "xbrltype": "durationItemType",
     "nsuri": "http://thebankofgreenecounty.com/20251231",
     "localname": "EmployeeBenefitPlanEmployeeEligibilityServicePeriodRequiredToParticipateInPlan",
     "presentation": [
      "http://thebankofgreenecounty.com/role/DESCRIPTIONOFPLANDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Employees service period for plan eligibility",
        "documentation": "Employee service period required to be eligible to participate in the employee benefit plan under the terms of the employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).",
        "label": "Employee Benefit Plan Employee Eligibility Service Period Required To Participate In Plan"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap-ebp_EmployeeBenefitPlanEmployerCommonStockFundMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanEmployerCommonStockFundMember",
     "presentation": [
      "http://thebankofgreenecounty.com/role/PARTYININTERESTTRANSACTIONSDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Common Stock Fund [Member]",
        "label": "EBP, Employer, Common Stock Fund [Member]",
        "documentation": "Fund with common stock issued by employer of participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r111",
      "r164",
      "r168",
      "r170",
      "r178",
      "r181",
      "r182"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanEmployerCommonStockMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanEmployerCommonStockMember",
     "presentation": [
      "http://thebankofgreenecounty.com/role/PARTYININTERESTTRANSACTIONSDetails",
      "http://thebankofgreenecounty.com/role/PlansInvestmentsatFairValueTable"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Common Stock Fund - Employer Stock [Member]",
        "label": "EBP, Employer, Common Stock [Member]",
        "documentation": "Common stock issued by employer of participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r111",
      "r164",
      "r168",
      "r169",
      "r170",
      "r178",
      "r181",
      "r182"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanEmployerContributionMatchingPercentage": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanEmployerContributionMatchingPercentage",
     "presentation": [
      "http://thebankofgreenecounty.com/role/DESCRIPTIONOFPLANDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Company's matching contribution percentage",
        "label": "EBP, Employer Contribution, Matching Percentage",
        "documentation": "Percentage of employer matching contribution on eligible participant contribution to employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r127"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanEmployerContributionParticipantCompensationMatchedPercentage": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanEmployerContributionParticipantCompensationMatchedPercentage",
     "presentation": [
      "http://thebankofgreenecounty.com/role/DESCRIPTIONOFPLANDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Participant\u2019s compensation percentage eligible for matching",
        "label": "EBP, Employer Contribution, Participant Compensation Matched, Percentage",
        "documentation": "Percentage of participant compensation eligible for employer matching contribution for participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r127"
     ]
    },
    "gcbc_EmployeeBenefitPlanEmployerContributionVestingPercentage": {
     "xbrltype": "percentItemType",
     "nsuri": "http://thebankofgreenecounty.com/20251231",
     "localname": "EmployeeBenefitPlanEmployerContributionVestingPercentage",
     "presentation": [
      "http://thebankofgreenecounty.com/role/DESCRIPTIONOFPLANDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Employer contribution vesting percentage",
        "documentation": "Employee Benefit Plan, Sponsor's matching contribution vesting percentage upon certain number of years of employment conditions as defined by the employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).",
        "label": "Employee Benefit Plan Employer Contribution Vesting Percentage"
       }
      }
     },
     "auth_ref": []
    },
    "gcbc_EmployeeBenefitPlanEmployerContributionVestingPeriod": {
     "xbrltype": "durationItemType",
     "nsuri": "http://thebankofgreenecounty.com/20251231",
     "localname": "EmployeeBenefitPlanEmployerContributionVestingPeriod",
     "presentation": [
      "http://thebankofgreenecounty.com/role/DESCRIPTIONOFPLANDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Employer contribution vesting period",
        "documentation": "Employer contribution vesting period, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.",
        "label": "Employee Benefit Plan Employer Contribution Vesting Period"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap-ebp_EmployeeBenefitPlanExpensePolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanExpensePolicyTextBlock",
     "presentation": [
      "http://thebankofgreenecounty.com/role/AccountingPoliciesByPolicy"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Investment Fees",
        "label": "EBP, Expense [Policy Text Block]",
        "documentation": "Disclosure of accounting policy for expense incurred by employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r127"
     ]
    },
    "gcbc_EmployeeBenefitPlanFairValueInvestmentNAVWithdrawalRestrictions": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://thebankofgreenecounty.com/20251231",
     "localname": "EmployeeBenefitPlanFairValueInvestmentNAVWithdrawalRestrictions",
     "crdr": "credit",
     "presentation": [
      "http://thebankofgreenecounty.com/role/FAIRVALUEMEASUREMENTSDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Withdrawal restrictions",
        "documentation": "Amount of withdrawal restrictions for investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), that is fair value measured at net asset value (NAV) per share as practical expedient.",
        "label": "Employee Benefit Plan Fair Value Investment NAVWithdrawal Restrictions"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap-ebp_EmployeeBenefitPlanForfeitedNonvestedAccount": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanForfeitedNonvestedAccount",
     "crdr": "debit",
     "presentation": [
      "http://thebankofgreenecounty.com/role/DESCRIPTIONOFPLANDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Non-vested participants, forfeited balance (in Dollars)",
        "label": "EBP, Forfeited Nonvested Account",
        "documentation": "Amount of plan asset, in forfeited nonvested account, no longer allocated to participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r59",
      "r127"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanForfeitedNonvestedAccountDecreaseForEmployerContribution": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanForfeitedNonvestedAccountDecreaseForEmployerContribution",
     "crdr": "credit",
     "presentation": [
      "http://thebankofgreenecounty.com/role/DESCRIPTIONOFPLANDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Forfeitures amount used to reduce employer matching contributions (in Dollars)",
        "label": "EBP, Forfeited Nonvested Account, Decrease from Employer Contribution",
        "documentation": "Amount of decrease in forfeited nonvested account of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) from employer contribution."
       }
      }
     },
     "auth_ref": [
      "r59",
      "r83",
      "r127"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue",
     "crdr": "debit",
     "calculation": {
      "http://thebankofgreenecounty.com/role/EBPStatementNetAssetAvailableBenefit": {
       "parentTag": "us-gaap-ebp_EmployeeBenefitPlanAsset",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://thebankofgreenecounty.com/role/EBPStatementNetAssetAvailableBenefit",
      "http://thebankofgreenecounty.com/role/PARTYININTERESTTRANSACTIONSDetails",
      "http://thebankofgreenecounty.com/role/PlansInvestmentsatFairValueTable"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Investments, at fair value",
        "verboseLabel": "Investments at fair value",
        "netLabel": "Investment at market value",
        "label": "EBP, Investment, Excluding Plan Interest in Master Trust, Fair Value",
        "documentation": "Fair value of investment, excluding plan interest in master trust, held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, derivative, investment measured at net asset value per share as practical expedient, and insurance contract not meeting fully-benefit responsive investment criteria."
       }
      }
     },
     "auth_ref": [
      "r11",
      "r13",
      "r14",
      "r21",
      "r22",
      "r24",
      "r25",
      "r32",
      "r33",
      "r35",
      "r91",
      "r105",
      "r106",
      "r107",
      "r108",
      "r109",
      "r110",
      "r111",
      "r112",
      "r113",
      "r114",
      "r127"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanInvestmentFairValueAndNavAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "FAIR VALUE MEASUREMENTS [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanInvestmentFairValueAndNavLineItems",
     "presentation": [
      "http://thebankofgreenecounty.com/role/FAIRVALUEMEASUREMENTS",
      "http://thebankofgreenecounty.com/role/FAIRVALUEMEASUREMENTSDetails",
      "http://thebankofgreenecounty.com/role/FAIRVALUEMEASUREMENTSTables",
      "http://thebankofgreenecounty.com/role/PlansInvestmentsatFairValueTable"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "FAIR VALUE MEASUREMENTS [Abstract]",
        "label": "EBP, Investment, Fair Value and NAV [Line Items]",
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table."
       }
      }
     },
     "auth_ref": [
      "r26",
      "r27",
      "r28",
      "r32",
      "r33",
      "r35",
      "r36",
      "r37",
      "r38",
      "r39",
      "r40",
      "r41",
      "r60",
      "r79",
      "r105",
      "r106",
      "r107",
      "r108",
      "r109",
      "r110",
      "r111",
      "r112",
      "r113",
      "r114"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanInvestmentFairValueAndNavTable",
     "presentation": [
      "http://thebankofgreenecounty.com/role/FAIRVALUEMEASUREMENTS",
      "http://thebankofgreenecounty.com/role/FAIRVALUEMEASUREMENTSDetails",
      "http://thebankofgreenecounty.com/role/FAIRVALUEMEASUREMENTSTables",
      "http://thebankofgreenecounty.com/role/PlansInvestmentsatFairValueTable"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "EBP, Investment, Fair Value and NAV [Table]",
        "documentation": "Disclosure of information about fair value of investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), including, but not limited to, fair value measured at net asset value per share as practical expedient (NAV)."
       }
      }
     },
     "auth_ref": [
      "r25",
      "r26",
      "r27",
      "r28",
      "r32",
      "r33",
      "r35",
      "r36",
      "r37",
      "r38",
      "r39",
      "r40",
      "r41",
      "r60",
      "r79",
      "r94",
      "r105",
      "r106",
      "r107",
      "r108",
      "r109",
      "r110",
      "r111",
      "r112",
      "r113",
      "r114"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanInvestmentFairValueAndNavTableTextBlock",
     "presentation": [
      "http://thebankofgreenecounty.com/role/FAIRVALUEMEASUREMENTSTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Plan\u2019s Investments at Fair Value",
        "label": "EBP, Investment, Fair Value and NAV [Table Text Block]",
        "documentation": "Tabular disclosure of fair value of investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), including, but not limited to, fair value measured at net asset value per share as practical expedient (NAV)."
       }
      }
     },
     "auth_ref": [
      "r23",
      "r31",
      "r33",
      "r34",
      "r42",
      "r127",
      "r175",
      "r176",
      "r179"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanInvestmentFairValueAndNavTextBlock",
     "presentation": [
      "http://thebankofgreenecounty.com/role/FAIRVALUEMEASUREMENTS"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "FAIR VALUE MEASUREMENTS",
        "label": "EBP, Investment, Fair Value and NAV [Text Block]",
        "documentation": "The entire disclosure for fair value of investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), including, but not limited to, fair value measured at net asset value per share as practical expedient (NAV)."
       }
      }
     },
     "auth_ref": [
      "r26",
      "r28",
      "r30",
      "r32",
      "r33",
      "r35",
      "r38",
      "r39",
      "r40",
      "r41",
      "r60",
      "r79",
      "r80",
      "r91",
      "r92",
      "r127",
      "r130"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanInvestmentIssuerNameExtensibleEnumeration": {
     "xbrltype": "enumerationSetItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanInvestmentIssuerNameExtensibleEnumeration",
     "presentation": [
      "http://thebankofgreenecounty.com/role/ScheduleofAssetsHeldatEndofYearTable"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Identity of issuer, borrower, lessor, or similar party",
        "label": "EBP, Investment, Issuer Name [Extensible Enumeration]",
        "documentation": "Indicates name of issuer of investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r86",
      "r139",
      "r144",
      "r151"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanInvestmentLevel3ReconciliationDecreaseForTransferFromLevel3": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanInvestmentLevel3ReconciliationDecreaseForTransferFromLevel3",
     "crdr": "credit",
     "presentation": [
      "http://thebankofgreenecounty.com/role/FAIRVALUEMEASUREMENTSDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Decrease from transfer out of Level 3",
        "label": "EBP, Investment, Level 3 Reconciliation, Decrease from Transfer out of Level 3",
        "documentation": "Amount of decrease from transfer out of Level 3 of fair value hierarchy of investment, measured using unobservable input, held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r29",
      "r33"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanInvestmentLevel3ReconciliationIncreaseForTransferToLevel3": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanInvestmentLevel3ReconciliationIncreaseForTransferToLevel3",
     "crdr": "debit",
     "presentation": [
      "http://thebankofgreenecounty.com/role/FAIRVALUEMEASUREMENTSDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Increase from transfer into Level 3",
        "label": "EBP, Investment, Level 3 Reconciliation, Increase from Transfer into Level 3",
        "documentation": "Amount of increase from transfer into Level 3 of fair value hierarchy of investment, measured using unobservable input, held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r29",
      "r33",
      "r127"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanInvestmentNumberOfShares": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanInvestmentNumberOfShares",
     "presentation": [
      "http://thebankofgreenecounty.com/role/PARTYININTERESTTRANSACTIONSDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Number of shares or units held by the Plan (in Shares)",
        "label": "EBP, Investment, Number of Shares",
        "documentation": "Number of shares or units of investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r61",
      "r86",
      "r140",
      "r145",
      "r148",
      "r149",
      "r152"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanInvestmentPolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanInvestmentPolicyTextBlock",
     "presentation": [
      "http://thebankofgreenecounty.com/role/AccountingPoliciesByPolicy"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Investment Valuation and Income Recognition",
        "label": "EBP, Investment [Policy Text Block]",
        "documentation": "Disclosure of accounting policy for investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r90",
      "r94",
      "r95",
      "r127"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanInvestmentTypeExtensibleEnumeration": {
     "xbrltype": "enumerationSetItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanInvestmentTypeExtensibleEnumeration",
     "presentation": [
      "http://thebankofgreenecounty.com/role/ScheduleofAssetsHeldatEndofYearTable"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Description of investment including maturity date, rate of interest, collateral, par, or maturity value",
        "label": "EBP, Investment, Current Value, Type [Extensible Enumeration]",
        "documentation": "Indicates type of investment at current value held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r86",
      "r139",
      "r144"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanLiability": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanLiability",
     "crdr": "credit",
     "calculation": {
      "http://thebankofgreenecounty.com/role/EBPStatementNetAssetAvailableBenefit": {
       "parentTag": "us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit",
       "weight": -1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://thebankofgreenecounty.com/role/EBPStatementNetAssetAvailableBenefit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "TOTAL LIABILITIES",
        "label": "EBP, Liability",
        "documentation": "Amount of liability of employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r50",
      "r73",
      "r87",
      "r127",
      "r183"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanLiabilityAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanLiabilityAbstract",
     "presentation": [
      "http://thebankofgreenecounty.com/role/EBPStatementNetAssetAvailableBenefit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "LIABILITIES",
        "label": "EBP, Liability [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "gcbc_EmployeeBenefitPlanMinimumServiceHoursRequiredToBeEligibleToParticipateInPlan": {
     "xbrltype": "integerItemType",
     "nsuri": "http://thebankofgreenecounty.com/20251231",
     "localname": "EmployeeBenefitPlanMinimumServiceHoursRequiredToBeEligibleToParticipateInPlan",
     "presentation": [
      "http://thebankofgreenecounty.com/role/DESCRIPTIONOFPLANDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Minimum service hours for plan eligibility (in Hour)",
        "documentation": "Minimum number of hours an employee is required to work in order to become eligible to participate in the employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).",
        "label": "Employee Benefit Plan Minimum Service Hours Required To Be Eligible To Participate In Plan"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanNetAssetAvailableForBenefit",
     "crdr": "debit",
     "calculation": {
      "http://thebankofgreenecounty.com/role/EBPStatementNetAssetAvailableBenefit": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://thebankofgreenecounty.com/role/EBPStatementChangeNetAssetAvailableBenefit",
      "http://thebankofgreenecounty.com/role/EBPStatementNetAssetAvailableBenefit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "NET ASSETS AVAILABLE FOR PLAN BENEFITS",
        "periodStartLabel": "Net assets available for benefits, beginning",
        "periodEndLabel": "NET ASSETS AVAILABLE FOR PLAN BENEFITS, ENDING",
        "label": "EBP, Net Asset Available for Benefit",
        "documentation": "Amount of asset less liability available to pay benefit of participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), including, but not limited to, aggregation of participants' individual account balances."
       }
      }
     },
     "auth_ref": [
      "r1",
      "r51",
      "r74",
      "r84",
      "r85",
      "r93",
      "r102",
      "r127",
      "r128",
      "r173"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanNetAssetValuePerShareOrUnit": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanNetAssetValuePerShareOrUnit",
     "presentation": [
      "http://thebankofgreenecounty.com/role/PARTYININTERESTTRANSACTIONSDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Shares or units held by the Plan, price per share or unit (in Dollars per share)",
        "label": "EBP, Net Asset Value per Share or Unit",
        "documentation": "Net asset value per share or per unit of investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r61"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipant": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanNoteReceivableFromParticipant",
     "crdr": "debit",
     "calculation": {
      "http://thebankofgreenecounty.com/role/EBPStatementNetAssetAvailableBenefit": {
       "parentTag": "us-gaap-ebp_EmployeeBenefitPlanAsset",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://thebankofgreenecounty.com/role/EBPStatementNetAssetAvailableBenefit",
      "http://thebankofgreenecounty.com/role/PARTYININTERESTTRANSACTIONSDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Notes receivable from participants",
        "label": "EBP, Note Receivable from Participant",
        "documentation": "Amount of unpaid principal plus accrued but unpaid interest for loan from participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r89",
      "r127",
      "r173"
     ]
    },
    "gcbc_EmployeeBenefitPlanNoteReceivableFromParticipantAccountBasisSpreadVariableRate": {
     "xbrltype": "percentItemType",
     "nsuri": "http://thebankofgreenecounty.com/20251231",
     "localname": "EmployeeBenefitPlanNoteReceivableFromParticipantAccountBasisSpreadVariableRate",
     "presentation": [
      "http://thebankofgreenecounty.com/role/DESCRIPTIONOFPLANDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Notes receivable from participant, basis spread variable rate",
        "documentation": "Percentage added to reference rate used to compute variable rate on loans receivable from participants in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).",
        "label": "Employee Benefit Plan Note Receivable From Participant Account Basis Spread Variable Rate"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingAmount": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingAmount",
     "crdr": "debit",
     "presentation": [
      "http://thebankofgreenecounty.com/role/DESCRIPTIONOFPLANDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Maximum amount participants may borrow from their accounts (in Dollars)",
        "label": "EBP, Note Receivable from Participant, Account, Maximum Borrowing, Amount",
        "documentation": "Amount of maximum account balance that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) can borrow."
       }
      }
     },
     "auth_ref": [
      "r127"
     ]
    },
    "gcbc_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingTerm": {
     "xbrltype": "durationItemType",
     "nsuri": "http://thebankofgreenecounty.com/20251231",
     "localname": "EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingTerm",
     "presentation": [
      "http://thebankofgreenecounty.com/role/DESCRIPTIONOFPLANDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Notes receivable from participants, maximum term",
        "documentation": "Period of repayment of loan, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.",
        "label": "Employee Benefit Plan Note Receivable From Participant Account Maximum Borrowing Term"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingToTotalAccountPercentage": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingToTotalAccountPercentage",
     "presentation": [
      "http://thebankofgreenecounty.com/role/DESCRIPTIONOFPLANDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Maximum percentage participants may borrow from their accounts",
        "label": "EBP, Note Receivable from Participant, Account, Maximum Borrowing, to Total Account, Percentage",
        "documentation": "Percentage of maximum account balance that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) can borrow to total participant account balance."
       }
      }
     },
     "auth_ref": [
      "r127"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMinimumBorrowingAmount": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanNoteReceivableFromParticipantAccountMinimumBorrowingAmount",
     "crdr": "debit",
     "presentation": [
      "http://thebankofgreenecounty.com/role/DESCRIPTIONOFPLANDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Minimum amount participants may borrow from their accounts (in Dollars)",
        "label": "EBP, Note Receivable from Participant, Account, Minimum Borrowing, Amount",
        "documentation": "Amount of minimum account balance that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) can borrow."
       }
      }
     },
     "auth_ref": [
      "r127"
     ]
    },
    "gcbc_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMinimumBorrowingTerm": {
     "xbrltype": "durationItemType",
     "nsuri": "http://thebankofgreenecounty.com/20251231",
     "localname": "EmployeeBenefitPlanNoteReceivableFromParticipantAccountMinimumBorrowingTerm",
     "presentation": [
      "http://thebankofgreenecounty.com/role/DESCRIPTIONOFPLANDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Notes receivable from participants, minimum term",
        "documentation": "Period of repayment of loan, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.",
        "label": "Employee Benefit Plan Note Receivable From Participant Account Minimum Borrowing Term"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantPolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanNoteReceivableFromParticipantPolicyTextBlock",
     "presentation": [
      "http://thebankofgreenecounty.com/role/AccountingPoliciesByPolicy"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Notes Receivable from Participants",
        "label": "EBP, Note Receivable from Participant [Policy Text Block]",
        "documentation": "Disclosure of accounting policy for note receivable from participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r127"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanOtherLiability": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanOtherLiability",
     "crdr": "credit",
     "calculation": {
      "http://thebankofgreenecounty.com/role/EBPStatementNetAssetAvailableBenefit": {
       "parentTag": "us-gaap-ebp_EmployeeBenefitPlanLiability",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://thebankofgreenecounty.com/role/EBPStatementNetAssetAvailableBenefit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other liabilities",
        "label": "EBP, Other Liability",
        "documentation": "Amount of liability of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), classified as other."
       }
      }
     },
     "auth_ref": [
      "r73",
      "r183"
     ]
    },
    "gcbc_EmployeeBenefitPlanParticipantContributionAutomaticDeferralRateYearFourAndThereafter": {
     "xbrltype": "percentItemType",
     "nsuri": "http://thebankofgreenecounty.com/20251231",
     "localname": "EmployeeBenefitPlanParticipantContributionAutomaticDeferralRateYearFourAndThereafter",
     "presentation": [
      "http://thebankofgreenecounty.com/role/PercentageofCompensationBasedonPlanYearTable"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Automatic deferral percentage, year 4 and thereafter",
        "documentation": "Percentage of eligible compensation contributed for participant automatically enrolled in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) during year four and thereafter.",
        "label": "Employee Benefit Plan Participant Contribution Automatic Deferral Rate Year Four And Thereafter"
       }
      }
     },
     "auth_ref": []
    },
    "gcbc_EmployeeBenefitPlanParticipantContributionAutomaticDeferralRateYearOne": {
     "xbrltype": "percentItemType",
     "nsuri": "http://thebankofgreenecounty.com/20251231",
     "localname": "EmployeeBenefitPlanParticipantContributionAutomaticDeferralRateYearOne",
     "presentation": [
      "http://thebankofgreenecounty.com/role/PercentageofCompensationBasedonPlanYearTable"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Automatic deferral percentage, year 1",
        "documentation": "Percentage of eligible compensation contributed for participant automatically enrolled in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) during year one.",
        "label": "Employee Benefit Plan Participant Contribution Automatic Deferral Rate Year One"
       }
      }
     },
     "auth_ref": []
    },
    "gcbc_EmployeeBenefitPlanParticipantContributionAutomaticDeferralRateYearThree": {
     "xbrltype": "percentItemType",
     "nsuri": "http://thebankofgreenecounty.com/20251231",
     "localname": "EmployeeBenefitPlanParticipantContributionAutomaticDeferralRateYearThree",
     "presentation": [
      "http://thebankofgreenecounty.com/role/PercentageofCompensationBasedonPlanYearTable"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Automatic deferral percentage, year 3",
        "documentation": "Percentage of eligible compensation contributed for participant automatically enrolled in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) during year three.",
        "label": "Employee Benefit Plan Participant Contribution Automatic Deferral Rate Year Three"
       }
      }
     },
     "auth_ref": []
    },
    "gcbc_EmployeeBenefitPlanParticipantContributionAutomaticDeferralRateYearTwo": {
     "xbrltype": "percentItemType",
     "nsuri": "http://thebankofgreenecounty.com/20251231",
     "localname": "EmployeeBenefitPlanParticipantContributionAutomaticDeferralRateYearTwo",
     "presentation": [
      "http://thebankofgreenecounty.com/role/PercentageofCompensationBasedonPlanYearTable"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Automatic deferral percentage, year 2",
        "documentation": "Percentage of eligible compensation contributed for participant automatically enrolled in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) during year two.",
        "label": "Employee Benefit Plan Participant Contribution Automatic Deferral Rate Year Two"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap-ebp_EmployeeBenefitPlanParticipantLoanInterestRate": {
     "xbrltype": "percentItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanParticipantLoanInterestRate",
     "presentation": [
      "http://thebankofgreenecounty.com/role/DESCRIPTIONOFPLANDetails",
      "http://thebankofgreenecounty.com/role/ScheduleofAssetsHeldatEndofYearTable"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Notes receivable from participants, interest rate",
        "label": "EBP, Asset Held for Investment, Participant Loan, Interest Rate",
        "documentation": "Interest rate on participant loan in schedule of asset held for investment of employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r86",
      "r142"
     ]
    },
    "gcbc_EmployeeBenefitPlanParticipantMinimumAgeEligibleToMakeCatchUpContributions": {
     "xbrltype": "integerItemType",
     "nsuri": "http://thebankofgreenecounty.com/20251231",
     "localname": "EmployeeBenefitPlanParticipantMinimumAgeEligibleToMakeCatchUpContributions",
     "presentation": [
      "http://thebankofgreenecounty.com/role/DESCRIPTIONOFPLANDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Minimum age participants will be eligible to make catch-up contributions (in Age)",
        "documentation": "The age at which participants become eligible for contributions under employee benefit plan.",
        "label": "Employee Benefit Plan Participant Minimum Age Eligible To Make Catch Up Contributions"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap-ebp_EmployeeBenefitPlanPlanNumber": {
     "xbrltype": "threeDigitItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanPlanNumber",
     "presentation": [
      "http://thebankofgreenecounty.com/role/ScheduleofAssetsHeldatEndofYearDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Plan No.",
        "label": "EBP, Plan Number",
        "documentation": "Plan number of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), in three-digit numeric format."
       }
      }
     },
     "auth_ref": [
      "r135",
      "r136",
      "r137",
      "r143",
      "r148",
      "r149",
      "r150",
      "r158",
      "r173"
     ]
    },
    "gcbc_EmployeeBenefitPlanPlanTerminationAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://thebankofgreenecounty.com/20251231",
     "localname": "EmployeeBenefitPlanPlanTerminationAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "PLAN TERMINATION [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "gcbc_EmployeeBenefitPlanPlanTerminationLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://thebankofgreenecounty.com/20251231",
     "localname": "EmployeeBenefitPlanPlanTerminationLineItems",
     "presentation": [
      "http://thebankofgreenecounty.com/role/PLANTERMINATION"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "PLAN TERMINATION [Abstract]",
        "label": "Employee Benefit Plan Plan Termination Line Items"
       }
      }
     },
     "auth_ref": []
    },
    "gcbc_EmployeeBenefitPlanPlanTerminationTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://thebankofgreenecounty.com/20251231",
     "localname": "EmployeeBenefitPlanPlanTerminationTable",
     "presentation": [
      "http://thebankofgreenecounty.com/role/PLANTERMINATION"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "EBP, Plan Termination [Table]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap-ebp_EmployeeBenefitPlanPlanTerminationTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanPlanTerminationTextBlock",
     "presentation": [
      "http://thebankofgreenecounty.com/role/PLANTERMINATION"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "PLAN TERMINATION",
        "label": "EBP, Plan Termination [Text Block]",
        "documentation": "The entire disclosure for terminating employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), including, but not limited to, plan under which participant no longer accrues benefit but remains in existence to pay already accrued benefit."
       }
      }
     },
     "auth_ref": [
      "r103",
      "r127"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "PARTY-IN-INTEREST TRANSACTIONS [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems",
     "presentation": [
      "http://thebankofgreenecounty.com/role/PARTYININTERESTTRANSACTIONS",
      "http://thebankofgreenecounty.com/role/PARTYININTERESTTRANSACTIONSDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "PARTY-IN-INTEREST TRANSACTIONS [Abstract]",
        "label": "EBP, Related Party and Party-in-Interest Transactions [Line Items]",
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table."
       }
      }
     },
     "auth_ref": [
      "r48",
      "r167",
      "r174"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTable",
     "presentation": [
      "http://thebankofgreenecounty.com/role/PARTYININTERESTTRANSACTIONS",
      "http://thebankofgreenecounty.com/role/PARTYININTERESTTRANSACTIONSDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "EBP, Related Party and Party-in-Interest Transactions [Table]",
        "documentation": "Disclosure of information about related party and party-in-interest transactions with employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r48",
      "r167",
      "r174"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTextBlock",
     "presentation": [
      "http://thebankofgreenecounty.com/role/PARTYININTERESTTRANSACTIONS"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "PARTY-IN-INTEREST TRANSACTIONS",
        "label": "EBP, Related Party and Party-in-Interest Transactions [Text Block]",
        "documentation": "The entire disclosure for related party and party-in-interest transactions with employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r45",
      "r46",
      "r47",
      "r48",
      "r127"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Schedule of Assets (Held at End of Year) [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems",
     "presentation": [
      "http://thebankofgreenecounty.com/role/ScheduleofAssetsHeldatEndofYear",
      "http://thebankofgreenecounty.com/role/ScheduleofAssetsHeldatEndofYearDetails",
      "http://thebankofgreenecounty.com/role/ScheduleofAssetsHeldatEndofYearTable"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Schedule of Assets (Held at End of Year) [Abstract]",
        "label": "EBP, Schedule of Asset Held for Investment [Line Items]",
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table."
       }
      }
     },
     "auth_ref": [
      "r86",
      "r139",
      "r140",
      "r141",
      "r142"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTable",
     "presentation": [
      "http://thebankofgreenecounty.com/role/ScheduleofAssetsHeldatEndofYear",
      "http://thebankofgreenecounty.com/role/ScheduleofAssetsHeldatEndofYearDetails",
      "http://thebankofgreenecounty.com/role/ScheduleofAssetsHeldatEndofYearTable"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "EBP, Schedule of Asset Held for Investment [Table]",
        "documentation": "Disclosure of information about schedule of asset held for investment of employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r86",
      "r139",
      "r140",
      "r141",
      "r142"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTableTextBlock",
     "presentation": [
      "http://thebankofgreenecounty.com/role/ScheduleofAssetsHeldatEndofYear"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Schedule of Assets (Held at End of Year)",
        "label": "EBP, Schedule of Asset Held for Investment [Table Text Block]",
        "documentation": "Tabular disclosure of schedule of asset held for investment of employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r135",
      "r138"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanSelfDirectedBrokerageAccountMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanSelfDirectedBrokerageAccountMember",
     "presentation": [
      "http://thebankofgreenecounty.com/role/PlansInvestmentsatFairValueTable"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Self-Directed Brokerage Accounts [Member]",
        "label": "EBP, Self-Directed Brokerage Account [Member]",
        "documentation": "Investment fund option allowing participant to select investment outside core option offered by employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r114",
      "r116",
      "r125",
      "r126",
      "r127"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "STATEMENTS OF CHANGES IN NET ASSETS AVAILABLE FOR PLAN BENEFITS [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitLineItems",
     "presentation": [
      "http://thebankofgreenecounty.com/role/EBPStatementChangeNetAssetAvailableBenefit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "STATEMENTS OF CHANGES IN NET ASSETS AVAILABLE FOR PLAN BENEFITS [Abstract]",
        "label": "EBP, Statement of Change in Net Asset Available for Benefit [Line Items]",
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table."
       }
      }
     },
     "auth_ref": [
      "r76",
      "r77",
      "r78",
      "r93"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitTable",
     "presentation": [
      "http://thebankofgreenecounty.com/role/EBPStatementChangeNetAssetAvailableBenefit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "EBP, Statement of Change in Net Asset Available for Benefit [Table]",
        "documentation": "Presentation of information about change in net asset available for benefit for employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r76",
      "r77",
      "r78",
      "r93"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "STATEMENTS OF NET ASSETS AVAILABLE FOR PLAN BENEFITS [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitLineItems",
     "presentation": [
      "http://thebankofgreenecounty.com/role/EBPStatementNetAssetAvailableBenefit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "STATEMENTS OF NET ASSETS AVAILABLE FOR PLAN BENEFITS [Abstract]",
        "label": "EBP, Statement of Net Asset Available for Benefit [Line Items]",
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table."
       }
      }
     },
     "auth_ref": [
      "r63",
      "r64",
      "r65",
      "r66",
      "r67",
      "r68",
      "r69",
      "r70",
      "r71",
      "r72",
      "r91",
      "r93",
      "r105",
      "r106",
      "r107",
      "r108",
      "r109",
      "r110",
      "r111",
      "r112",
      "r113",
      "r114"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitTable",
     "presentation": [
      "http://thebankofgreenecounty.com/role/EBPStatementNetAssetAvailableBenefit"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "EBP, Statement of Net Asset Available for Benefit [Table]",
        "documentation": "Presentation of information about net asset available for benefit for employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r63",
      "r64",
      "r65",
      "r66",
      "r67",
      "r68",
      "r69",
      "r70",
      "r71",
      "r72",
      "r91",
      "r93",
      "r105",
      "r106",
      "r107",
      "r108",
      "r109",
      "r110",
      "r111",
      "r112",
      "r113"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanSummaryOfAccountingPolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanSummaryOfAccountingPolicyTextBlock",
     "presentation": [
      "http://thebankofgreenecounty.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIES"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES",
        "label": "EBP, Summary of Accounting Policy [Text Block]",
        "documentation": "The entire disclosure for summary of accounting policy used to prepare financial statement of employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r2",
      "r3",
      "r127"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanTaxDeterminationLetterDate": {
     "xbrltype": "dateItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanTaxDeterminationLetterDate",
     "presentation": [
      "http://thebankofgreenecounty.com/role/TAXSTATUSDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Tax determination letter received from IRS date",
        "label": "EBP, Tax Determination Letter, Date",
        "documentation": "Date of tax determination letter for employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), in YYYY-MM-DD format."
       }
      }
     },
     "auth_ref": [
      "r127"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanTaxDeterminationLetterObtained": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanTaxDeterminationLetterObtained",
     "presentation": [
      "http://thebankofgreenecounty.com/role/TAXSTATUSDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Tax determination opinion letter received from IRS",
        "label": "EBP, Tax Determination Letter, Obtained [true false]",
        "documentation": "Indicates (true false) whether tax determination letter was obtained by employer of participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r58",
      "r127"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanTaxQualificationStatusExtensibleEnumeration": {
     "xbrltype": "enumerationSetItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanTaxQualificationStatusExtensibleEnumeration",
     "presentation": [
      "http://thebankofgreenecounty.com/role/TAXSTATUSDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Tax-exempt qualified status",
        "label": "EBP, Tax Qualification Status [Extensible Enumeration]",
        "documentation": "Indicates tax qualification status of employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r62",
      "r127",
      "r165"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanTaxStatusAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanTaxStatusAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "TAX STATUS [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap-ebp_EmployeeBenefitPlanTaxStatusLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanTaxStatusLineItems",
     "presentation": [
      "http://thebankofgreenecounty.com/role/TAXSTATUS",
      "http://thebankofgreenecounty.com/role/TAXSTATUSDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "TAX STATUS [Abstract]",
        "label": "EBP, Tax Status [Line Items]",
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table."
       }
      }
     },
     "auth_ref": [
      "r165"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanTaxStatusTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanTaxStatusTable",
     "presentation": [
      "http://thebankofgreenecounty.com/role/TAXSTATUS",
      "http://thebankofgreenecounty.com/role/TAXSTATUSDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "EBP, Tax Status [Table]",
        "documentation": "Disclosure of information about tax status of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, information concerning whether tax ruling or determination letter was obtained and principal assumption on which plan relied in not making provision for federal income tax."
       }
      }
     },
     "auth_ref": [
      "r165"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanTaxStatusTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanTaxStatusTextBlock",
     "presentation": [
      "http://thebankofgreenecounty.com/role/TAXSTATUS"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "TAX STATUS",
        "label": "EBP, Tax Status [Text Block]",
        "documentation": "The entire disclosure for tax status of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, information concerning whether tax ruling or determination letter was obtained and principal assumption on which plan relied in not making provision for federal income tax."
       }
      }
     },
     "auth_ref": [
      "r58",
      "r62",
      "r127"
     ]
    },
    "us-gaap-ebp_EmployeeBenefitPlanUseOfEstimatePolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://fasb.org/us-gaap-ebp/2025",
     "localname": "EmployeeBenefitPlanUseOfEstimatePolicyTextBlock",
     "presentation": [
      "http://thebankofgreenecounty.com/role/AccountingPoliciesByPolicy"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Use of Estimates",
        "label": "EBP, Use of Estimate [Policy Text Block]",
        "documentation": "Disclosure of accounting policy for use of estimate in preparation of financial statement of employee stock purchase, saving, or similar plan (employee benefit plan (EBP))."
       }
      }
     },
     "auth_ref": [
      "r5",
      "r6",
      "r7",
      "r8",
      "r9",
      "r10",
      "r127"
     ]
    },
    "dei_EntityCentralIndexKey": {
     "xbrltype": "centralIndexKeyItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityCentralIndexKey",
     "presentation": [
      "http://thebankofgreenecounty.com/role/DocumentAndEntityInformation"
     ],
     "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": [
      "r129"
     ]
    },
    "dei_EntityDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityDomain",
     "presentation": [
      "http://thebankofgreenecounty.com/role/DocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity [Domain]",
        "documentation": "All the names of the entities being reported upon in a document. Any legal structure used to conduct activities or to hold assets. Some examples of such structures are corporations, partnerships, limited liability companies, grantor trusts, and other trusts. This item does not include business and geographical segments which are included in the geographical or business segments domains."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityRegistrantName": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityRegistrantName",
     "presentation": [
      "http://thebankofgreenecounty.com/role/DocumentAndEntityInformation"
     ],
     "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": [
      "r129"
     ]
    },
    "dei_EntityTaxIdentificationNumber": {
     "xbrltype": "employerIdItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityTaxIdentificationNumber",
     "presentation": [
      "http://thebankofgreenecounty.com/role/ScheduleofAssetsHeldatEndofYearDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "EIN:",
        "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": [
      "r129"
     ]
    },
    "us-gaap_FairValueByFairValueHierarchyLevelAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "FairValueByFairValueHierarchyLevelAxis",
     "presentation": [
      "http://thebankofgreenecounty.com/role/PlansInvestmentsatFairValueTable"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair Value Hierarchy and NAV [Axis]"
       }
      }
     },
     "auth_ref": [
      "r25",
      "r26",
      "r27",
      "r28",
      "r32",
      "r33",
      "r35",
      "r92",
      "r127"
     ]
    },
    "us-gaap_FairValueInputsLevel1Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "FairValueInputsLevel1Member",
     "presentation": [
      "http://thebankofgreenecounty.com/role/PlansInvestmentsatFairValueTable"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]",
        "label": "Fair Value, Inputs, Level 1 [Member]"
       }
      }
     },
     "auth_ref": [
      "r25",
      "r32",
      "r115",
      "r127"
     ]
    },
    "us-gaap_FairValueInputsLevel2Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "FairValueInputsLevel2Member",
     "presentation": [
      "http://thebankofgreenecounty.com/role/PlansInvestmentsatFairValueTable"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Significant Other Observable Inputs (Level 2) [Member]",
        "label": "Fair Value, Inputs, Level 2 [Member]"
       }
      }
     },
     "auth_ref": [
      "r25",
      "r26",
      "r32",
      "r115",
      "r127"
     ]
    },
    "us-gaap_FairValueInputsLevel3Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "FairValueInputsLevel3Member",
     "presentation": [
      "http://thebankofgreenecounty.com/role/PlansInvestmentsatFairValueTable"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Significant Unobservable Inputs (Level 3) [Member]",
        "label": "Fair Value, Inputs, Level 3 [Member]"
       }
      }
     },
     "auth_ref": [
      "r25",
      "r26",
      "r27",
      "r28",
      "r32",
      "r33",
      "r115",
      "r127"
     ]
    },
    "us-gaap_FairValueMeasurementsFairValueHierarchyDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "FairValueMeasurementsFairValueHierarchyDomain",
     "presentation": [
      "http://thebankofgreenecounty.com/role/PlansInvestmentsatFairValueTable"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair Value Hierarchy and NAV [Domain]"
       }
      }
     },
     "auth_ref": [
      "r25",
      "r26",
      "r27",
      "r28",
      "r32",
      "r33",
      "r35",
      "r92",
      "r127"
     ]
    },
    "us-gaap_InvestmentIdentifierAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "InvestmentIdentifierAxis",
     "presentation": [
      "http://thebankofgreenecounty.com/role/ScheduleofAssetsHeldatEndofYearTable"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Investment, Identifier [Axis]",
        "label": "Investment, Identifier [Axis]"
       }
      }
     },
     "auth_ref": [
      "r86",
      "r139",
      "r140",
      "r141",
      "r142",
      "r144",
      "r145",
      "r146",
      "r147",
      "r148",
      "r149",
      "r151",
      "r152",
      "r153",
      "r154",
      "r155",
      "r156",
      "r157",
      "r159",
      "r160",
      "r161",
      "r162",
      "r163"
     ]
    },
    "us-gaap_InvestmentTypeAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "InvestmentTypeAxis",
     "presentation": [
      "http://thebankofgreenecounty.com/role/PARTYININTERESTTRANSACTIONSDetails",
      "http://thebankofgreenecounty.com/role/PlansInvestmentsatFairValueTable",
      "http://thebankofgreenecounty.com/role/ScheduleofAssetsHeldatEndofYearTable"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Investment Type [Axis]"
       }
      }
     },
     "auth_ref": [
      "r11",
      "r12",
      "r13",
      "r14",
      "r15",
      "r16",
      "r17",
      "r18",
      "r19",
      "r20",
      "r21",
      "r24",
      "r25",
      "r26",
      "r27",
      "r28",
      "r32",
      "r33",
      "r35",
      "r36",
      "r37",
      "r38",
      "r39",
      "r40",
      "r41",
      "r60",
      "r63",
      "r64",
      "r65",
      "r66",
      "r67",
      "r68",
      "r75",
      "r76",
      "r77",
      "r78",
      "r79",
      "r86",
      "r91",
      "r97",
      "r100",
      "r101",
      "r104",
      "r105",
      "r106",
      "r107",
      "r108",
      "r109",
      "r110",
      "r111",
      "r112",
      "r113",
      "r114",
      "r117",
      "r118",
      "r119",
      "r120",
      "r121",
      "r122",
      "r123",
      "r124",
      "r125",
      "r127",
      "r128",
      "r142",
      "r164",
      "r173"
     ]
    },
    "us-gaap_InvestmentTypeCategorizationMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "InvestmentTypeCategorizationMember",
     "presentation": [
      "http://thebankofgreenecounty.com/role/PARTYININTERESTTRANSACTIONSDetails",
      "http://thebankofgreenecounty.com/role/PlansInvestmentsatFairValueTable",
      "http://thebankofgreenecounty.com/role/ScheduleofAssetsHeldatEndofYearTable"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Investments [Domain]"
       }
      }
     },
     "auth_ref": [
      "r11",
      "r12",
      "r13",
      "r14",
      "r15",
      "r16",
      "r17",
      "r18",
      "r19",
      "r20",
      "r21",
      "r24",
      "r25",
      "r26",
      "r27",
      "r28",
      "r32",
      "r33",
      "r35",
      "r36",
      "r37",
      "r38",
      "r39",
      "r40",
      "r41",
      "r60",
      "r63",
      "r64",
      "r65",
      "r66",
      "r67",
      "r68",
      "r75",
      "r76",
      "r77",
      "r78",
      "r79",
      "r86",
      "r91",
      "r97",
      "r100",
      "r101",
      "r104",
      "r105",
      "r106",
      "r107",
      "r108",
      "r109",
      "r110",
      "r111",
      "r112",
      "r113",
      "r114",
      "r117",
      "r118",
      "r119",
      "r120",
      "r121",
      "r122",
      "r123",
      "r124",
      "r125",
      "r127",
      "r128",
      "r142",
      "r164",
      "r173"
     ]
    },
    "gcbc_InvestmentsInFairValueHierarchyMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://thebankofgreenecounty.com/20251231",
     "localname": "InvestmentsInFairValueHierarchyMember",
     "presentation": [
      "http://thebankofgreenecounty.com/role/PlansInvestmentsatFairValueTable"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Investments in Fair Value Hierarchy [Member]",
        "label": "Investments In Fair Value Hierarchy Member"
       }
      }
     },
     "auth_ref": []
    },
    "dei_LegalEntityAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "LegalEntityAxis",
     "presentation": [
      "http://thebankofgreenecounty.com/role/AccountingPoliciesByPolicy",
      "http://thebankofgreenecounty.com/role/DESCRIPTIONOFPLAN",
      "http://thebankofgreenecounty.com/role/DESCRIPTIONOFPLANDetails",
      "http://thebankofgreenecounty.com/role/DESCRIPTIONOFPLANTables",
      "http://thebankofgreenecounty.com/role/DocumentAndEntityInformation",
      "http://thebankofgreenecounty.com/role/EBPStatementChangeNetAssetAvailableBenefit",
      "http://thebankofgreenecounty.com/role/EBPStatementNetAssetAvailableBenefit",
      "http://thebankofgreenecounty.com/role/FAIRVALUEMEASUREMENTS",
      "http://thebankofgreenecounty.com/role/FAIRVALUEMEASUREMENTSDetails",
      "http://thebankofgreenecounty.com/role/FAIRVALUEMEASUREMENTSTables",
      "http://thebankofgreenecounty.com/role/PARTYININTERESTTRANSACTIONS",
      "http://thebankofgreenecounty.com/role/PARTYININTERESTTRANSACTIONSDetails",
      "http://thebankofgreenecounty.com/role/PLANTERMINATION",
      "http://thebankofgreenecounty.com/role/PercentageofCompensationBasedonPlanYearTable",
      "http://thebankofgreenecounty.com/role/PlansInvestmentsatFairValueTable",
      "http://thebankofgreenecounty.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIES",
      "http://thebankofgreenecounty.com/role/ScheduleofAssetsHeldatEndofYear",
      "http://thebankofgreenecounty.com/role/ScheduleofAssetsHeldatEndofYearDetails",
      "http://thebankofgreenecounty.com/role/ScheduleofAssetsHeldatEndofYearTable",
      "http://thebankofgreenecounty.com/role/TAXSTATUS",
      "http://thebankofgreenecounty.com/role/TAXSTATUSDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Legal Entity [Axis]",
        "documentation": "The set of legal entities associated with a report."
       }
      }
     },
     "auth_ref": []
    },
    "srt_MaximumMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "MaximumMember",
     "presentation": [
      "http://thebankofgreenecounty.com/role/DESCRIPTIONOFPLANDetails",
      "http://thebankofgreenecounty.com/role/ScheduleofAssetsHeldatEndofYearTable"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Maximum [Member]",
        "label": "Maximum [Member]"
       }
      }
     },
     "auth_ref": [
      "r28",
      "r127",
      "r135",
      "r142"
     ]
    },
    "srt_MinimumMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "MinimumMember",
     "presentation": [
      "http://thebankofgreenecounty.com/role/DESCRIPTIONOFPLANDetails",
      "http://thebankofgreenecounty.com/role/ScheduleofAssetsHeldatEndofYearTable"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Minimum [Member]",
        "label": "Minimum [Member]"
       }
      }
     },
     "auth_ref": [
      "r28",
      "r127",
      "r135",
      "r142"
     ]
    },
    "us-gaap_MoneyMarketFundsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "MoneyMarketFundsMember",
     "presentation": [
      "http://thebankofgreenecounty.com/role/PARTYININTERESTTRANSACTIONSDetails",
      "http://thebankofgreenecounty.com/role/PlansInvestmentsatFairValueTable"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Common Stock Fund - Money Market [Member]",
        "verboseLabel": "Common Stock Fund \u2013 Money Market [Member]",
        "label": "Money Market Funds [Member]"
       }
      }
     },
     "auth_ref": [
      "r135",
      "r175",
      "r178",
      "r180"
     ]
    },
    "us-gaap_MutualFundMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "MutualFundMember",
     "presentation": [
      "http://thebankofgreenecounty.com/role/PlansInvestmentsatFairValueTable"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Mutual Funds [Member]",
        "label": "Mutual Fund [Member]"
       }
      }
     },
     "auth_ref": [
      "r105",
      "r116",
      "r117",
      "r126",
      "r127",
      "r128"
     ]
    },
    "gcbc_NonSafeHarborMatchingContributionMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://thebankofgreenecounty.com/20251231",
     "localname": "NonSafeHarborMatchingContributionMember",
     "presentation": [
      "http://thebankofgreenecounty.com/role/DESCRIPTIONOFPLANDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Non-Safe Harbor Matching Contributions [Member]",
        "documentation": "Non-safe harbor is an employer matching contribution to employee benefit plan that does not meet the IRS safe harbor requirements.",
        "label": "Non Safe Harbor Matching Contribution Member"
       }
      }
     },
     "auth_ref": []
    },
    "gcbc_NotesReceivableFromParticipantsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://thebankofgreenecounty.com/20251231",
     "localname": "NotesReceivableFromParticipantsMember",
     "presentation": [
      "http://thebankofgreenecounty.com/role/ScheduleofAssetsHeldatEndofYearTable"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Notes Receivable from Participants [Member]",
        "label": "Notes Receivable From Participants Member"
       }
      }
     },
     "auth_ref": []
    },
    "gcbc_ParticipantsContributionEligibleFor100MatchingMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://thebankofgreenecounty.com/20251231",
     "localname": "ParticipantsContributionEligibleFor100MatchingMember",
     "presentation": [
      "http://thebankofgreenecounty.com/role/DESCRIPTIONOFPLANDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Participant's Contribution Eligible for 100% Matching [Member]",
        "label": "Participants Contribution Eligible For100 Matching Member"
       }
      }
     },
     "auth_ref": []
    },
    "gcbc_ParticipantsContributionFrom3To6EligibleFor50MatchingMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://thebankofgreenecounty.com/20251231",
     "localname": "ParticipantsContributionFrom3To6EligibleFor50MatchingMember",
     "presentation": [
      "http://thebankofgreenecounty.com/role/DESCRIPTIONOFPLANDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Participant\u2019s Contribution From 3% to 6% Eligible for 50% Matching [Member]",
        "label": "Participants Contribution From3 To6 Eligible For50 Matching Member"
       }
      }
     },
     "auth_ref": []
    },
    "srt_RangeAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "RangeAxis",
     "presentation": [
      "http://thebankofgreenecounty.com/role/DESCRIPTIONOFPLANDetails",
      "http://thebankofgreenecounty.com/role/ScheduleofAssetsHeldatEndofYearTable"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Statistical Measurement [Axis]"
       }
      }
     },
     "auth_ref": [
      "r28",
      "r127",
      "r135",
      "r142"
     ]
    },
    "srt_RangeMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "RangeMember",
     "presentation": [
      "http://thebankofgreenecounty.com/role/DESCRIPTIONOFPLANDetails",
      "http://thebankofgreenecounty.com/role/ScheduleofAssetsHeldatEndofYearTable"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Statistical Measurement [Domain]"
       }
      }
     },
     "auth_ref": [
      "r28",
      "r127",
      "r135",
      "r142"
     ]
    },
    "gcbc_SafeHarborMatchingContributionMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://thebankofgreenecounty.com/20251231",
     "localname": "SafeHarborMatchingContributionMember",
     "presentation": [
      "http://thebankofgreenecounty.com/role/DESCRIPTIONOFPLANDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Safe Harbor Matching Contributions [Member]",
        "documentation": "Safe harbor is an employer matching contribution to employee benefit plan that meets IRS safe harbor rules.",
        "label": "Safe Harbor Matching Contribution Member"
       }
      }
     },
     "auth_ref": []
    }
   }
  }
 },
 "std_ref": {
  "r0": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "250",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(b)(2)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147483443/250-10-50-1"
  },
  "r1": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "250",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(b)(3)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147483443/250-10-50-1"
  },
  "r2": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "250",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "5",
   "Subparagraph": "(SAB Topic 11.M.Q2)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147480530/250-10-S99-5"
  },
  "r3": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "250",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "6",
   "Subparagraph": "(SAB Topic 11.M)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147480530/250-10-S99-6"
  },
  "r4": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "275",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482861/275-10-50-1"
  },
  "r5": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "275",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482861/275-10-50-1"
  },
  "r6": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "275",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482861/275-10-50-1"
  },
  "r7": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "275",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "11",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482861/275-10-50-11"
  },
  "r8": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "275",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "11",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482861/275-10-50-11"
  },
  "r9": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "275",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "12",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482861/275-10-50-12"
  },
  "r10": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "275",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482861/275-10-50-4"
  },
  "r11": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "815",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4A",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4A"
  },
  "r12": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "815",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4A",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4A"
  },
  "r13": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "815",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4B",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4B"
  },
  "r14": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "815",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4B",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4B"
  },
  "r15": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "815",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4K",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4K"
  },
  "r16": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "815",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4K",
   "Subparagraph": "(a)(1)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4K"
  },
  "r17": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "815",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4K",
   "Subparagraph": "(a)(2)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4K"
  },
  "r18": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "815",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4K",
   "Subparagraph": "(a)(3)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4K"
  },
  "r19": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "815",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4K",
   "Subparagraph": "(a)(4)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4K"
  },
  "r20": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "815",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4K",
   "Subparagraph": "(a)(5)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4K"
  },
  "r21": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "815",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4K",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4K"
  },
  "r22": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "815",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "7A",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-7A"
  },
  "r23": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "820",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "2",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2"
  },
  "r24": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "820",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "2",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2"
  },
  "r25": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "820",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "2",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2"
  },
  "r26": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "820",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "2",
   "Subparagraph": "(bbb)(1)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2"
  },
  "r27": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "820",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "2",
   "Subparagraph": "(bbb)(2)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2"
  },
  "r28": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "820",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "2",
   "Subparagraph": "(bbb)(2)(i)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2"
  },
  "r29": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "820",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "2",
   "Subparagraph": "(c)(3)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2"
  },
  "r30": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "820",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "2",
   "Subparagraph": "(g)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2"
  },
  "r31": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "820",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "3",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-3"
  },
  "r32": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "820",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "3",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-3"
  },
  "r33": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "820",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "3",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-3"
  },
  "r34": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "820",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6A",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-6A"
  },
  "r35": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "820",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6A",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-6A"
  },
  "r36": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "820",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6A",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-6A"
  },
  "r37": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "820",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6A",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-6A"
  },
  "r38": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "820",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6A",
   "Subparagraph": "(d)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-6A"
  },
  "r39": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "820",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6A",
   "Subparagraph": "(e)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-6A"
  },
  "r40": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "820",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6A",
   "Subparagraph": "(f)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-6A"
  },
  "r41": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "820",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "6A",
   "Subparagraph": "(h)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-6A"
  },
  "r42": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "820",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "8",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-8"
  },
  "r43": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "825",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "21",
   "Subparagraph": "(c)(1)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482907/825-10-50-21"
  },
  "r44": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "825",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "21",
   "Subparagraph": "(d)(1)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482907/825-10-50-21"
  },
  "r45": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "850",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147483326/850-10-50-1"
  },
  "r46": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "850",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147483326/850-10-50-1"
  },
  "r47": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "850",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147483326/850-10-50-1"
  },
  "r48": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "850",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(d)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147483326/850-10-50-1"
  },
  "r49": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "2",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477063/962-205-45-2"
  },
  "r50": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "2",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477063/962-205-45-2"
  },
  "r51": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "2",
   "Subparagraph": "(d)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477063/962-205-45-2"
  },
  "r52": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "7",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477063/962-205-45-7"
  },
  "r53": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "7",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477063/962-205-45-7"
  },
  "r54": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "7",
   "Subparagraph": "(f)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477063/962-205-45-7"
  },
  "r55": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "7",
   "Subparagraph": "(h)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477063/962-205-45-7"
  },
  "r56": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147478416/962-205-50-1"
  },
  "r57": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147478416/962-205-50-1"
  },
  "r58": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(g)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147478416/962-205-50-1"
  },
  "r59": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(j)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147478416/962-205-50-1"
  },
  "r60": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-02(a))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r61": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-02(b))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r62": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-02(c))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r63": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-03(1))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r64": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-03(2)(a))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r65": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-03(2)(b)(1))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r66": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-03(2)(b)(2))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r67": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-03(2))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r68": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-03(3))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r69": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-03(6)(a))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r70": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-03(6)(b))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r71": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-03(7)(a))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r72": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-03(7)(b))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r73": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-03(7))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r74": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-03(9))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r75": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-04(1)(a)(1))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r76": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-04(2)(a)(1))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r77": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-04(2)(a)(2))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r78": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-04(2)(a)(3))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r79": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-04(2)(b))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r80": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-04(3)(b))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r81": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-04(4)(b))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r82": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-04(5)(b))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r83": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-04(5)(c))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r84": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-04(6))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r85": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-04(7))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r86": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-05(a)(Schedule I))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r87": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-05(a)(Schedule II))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r88": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-05(a)(Schedule III))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r89": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "310",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "2",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147478642/962-310-45-2"
  },
  "r90": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "35",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147478844/962-325-35-1B"
  },
  "r91": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "5",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-5"
  },
  "r92": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "6",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-6"
  },
  "r93": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "8",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-8"
  },
  "r94": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-1"
  },
  "r95": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "2A",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-2A"
  },
  "r96": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "2B",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-2B"
  },
  "r97": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "3",
   "Subparagraph": "(f)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-3"
  },
  "r98": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "7",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-7"
  },
  "r99": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "7",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-7"
  },
  "r100": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "8A",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8A"
  },
  "r101": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "8B",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8B"
  },
  "r102": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "40",
   "Name": "Accounting Standards Codification",
   "Section": "25",
   "Paragraph": "1",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147479750/962-40-25-1"
  },
  "r103": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Topic": "962",
   "SubTopic": "40",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147479684/962-40-50-1"
  },
  "r104": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "815",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "4L",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4L"
  },
  "r105": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "5",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-5"
  },
  "r106": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "5",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-5"
  },
  "r107": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "5",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-5"
  },
  "r108": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "5",
   "Subparagraph": "(d)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-5"
  },
  "r109": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "5",
   "Subparagraph": "(e)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-5"
  },
  "r110": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "5",
   "Subparagraph": "(f)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-5"
  },
  "r111": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "5",
   "Subparagraph": "(g)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-5"
  },
  "r112": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "5",
   "Subparagraph": "(h)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-5"
  },
  "r113": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "5",
   "Subparagraph": "(j)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-5"
  },
  "r114": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "5",
   "Subparagraph": "(k)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-5"
  },
  "r115": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "6",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-6"
  },
  "r116": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-1"
  },
  "r117": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "8A",
   "Subparagraph": "(a)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8A"
  },
  "r118": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "8A",
   "Subparagraph": "(b)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8A"
  },
  "r119": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "8A",
   "Subparagraph": "(c)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8A"
  },
  "r120": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "8A",
   "Subparagraph": "(d)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8A"
  },
  "r121": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "8A",
   "Subparagraph": "(e)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8A"
  },
  "r122": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "8A",
   "Subparagraph": "(f)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8A"
  },
  "r123": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "8A",
   "Subparagraph": "(g)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8A"
  },
  "r124": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "8A",
   "Subparagraph": "(h)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8A"
  },
  "r125": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "8A",
   "Subparagraph": "(j)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8A"
  },
  "r126": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "8B",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8B"
  },
  "r127": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "55",
   "Paragraph": "17",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147478873/962-325-55-17"
  },
  "r128": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "55",
   "Paragraph": "18",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147478873/962-325-55-18"
  },
  "r129": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "12",
   "Subsection": "b-2"
  },
  "r130": {
   "role": "http://www.xbrl.org/2003/role/recommendedDisclosureRef",
   "Topic": "825",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "23",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482907/825-10-50-23"
  },
  "r131": {
   "role": "http://www.xbrl.org/2003/role/recommendedDisclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "7",
   "Subparagraph": "(d)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477063/962-205-45-7"
  },
  "r132": {
   "role": "http://www.xbrl.org/2003/role/recommendedDisclosureRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-05(a)(Schedule III))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r133": {
   "role": "http://www.xbrl.org/2003/role/recommendedDisclosureRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "2B",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-2B"
  },
  "r134": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(a)",
   "SubTopic": "205",
   "Topic": "962",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147478416/962-205-50-1"
  },
  "r135": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-05(a)(Schedule I))",
   "SubTopic": "205",
   "Topic": "962",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r136": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-05(a)(Schedule III))",
   "SubTopic": "205",
   "Topic": "962",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r137": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Employee Retirement Income Security Act of 1974",
   "Number": "2520",
   "Section": "103",
   "Subsection": "10",
   "Paragraph": "b",
   "Subparagraph": "(1)",
   "Publisher": "DOL-EBSA"
  },
  "r138": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Employee Retirement Income Security Act of 1974",
   "Number": "2520",
   "Section": "103",
   "Subsection": "10",
   "Paragraph": "b",
   "Subparagraph": "(1)(i)",
   "Publisher": "DOL-EBSA"
  },
  "r139": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Employee Retirement Income Security Act of 1974",
   "Number": "2520",
   "Section": "103",
   "Subsection": "10",
   "Paragraph": "b",
   "Subparagraph": "(1)(i)(A)",
   "Publisher": "DOL-EBSA"
  },
  "r140": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Employee Retirement Income Security Act of 1974",
   "Number": "2520",
   "Section": "103",
   "Subsection": "10",
   "Paragraph": "b",
   "Subparagraph": "(1)(i)(B)",
   "Publisher": "DOL-EBSA"
  },
  "r141": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Employee Retirement Income Security Act of 1974",
   "Number": "2520",
   "Section": "103",
   "Subsection": "10",
   "Paragraph": "b",
   "Subparagraph": "(1)(i)(C)",
   "Publisher": "DOL-EBSA"
  },
  "r142": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Employee Retirement Income Security Act of 1974",
   "Number": "2520",
   "Section": "103",
   "Subsection": "10",
   "Paragraph": "b",
   "Subparagraph": "(1)(i)(D)",
   "Publisher": "DOL-EBSA"
  },
  "r143": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Employee Retirement Income Security Act of 1974",
   "Number": "2520",
   "Section": "103",
   "Subsection": "10",
   "Paragraph": "b",
   "Subparagraph": "(2)",
   "Publisher": "DOL-EBSA"
  },
  "r144": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Employee Retirement Income Security Act of 1974",
   "Number": "2520",
   "Section": "103",
   "Subsection": "10",
   "Paragraph": "b",
   "Subparagraph": "(2)(i)(A)",
   "Publisher": "DOL-EBSA"
  },
  "r145": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Employee Retirement Income Security Act of 1974",
   "Number": "2520",
   "Section": "103",
   "Subsection": "10",
   "Paragraph": "b",
   "Subparagraph": "(2)(i)(B)",
   "Publisher": "DOL-EBSA"
  },
  "r146": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Employee Retirement Income Security Act of 1974",
   "Number": "2520",
   "Section": "103",
   "Subsection": "10",
   "Paragraph": "b",
   "Subparagraph": "(2)(i)(C)",
   "Publisher": "DOL-EBSA"
  },
  "r147": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Employee Retirement Income Security Act of 1974",
   "Number": "2520",
   "Section": "103",
   "Subsection": "10",
   "Paragraph": "b",
   "Subparagraph": "(2)(i)(D)",
   "Publisher": "DOL-EBSA"
  },
  "r148": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Employee Retirement Income Security Act of 1974",
   "Number": "2520",
   "Section": "103",
   "Subsection": "10",
   "Paragraph": "b",
   "Subparagraph": "(3)",
   "Publisher": "DOL-EBSA"
  },
  "r149": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Employee Retirement Income Security Act of 1974",
   "Number": "2520",
   "Section": "103",
   "Subsection": "10",
   "Paragraph": "b",
   "Subparagraph": "(4)",
   "Publisher": "DOL-EBSA"
  },
  "r150": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Employee Retirement Income Security Act of 1974",
   "Number": "2520",
   "Section": "103",
   "Subsection": "6",
   "Paragraph": "d",
   "Subparagraph": "(1)",
   "Publisher": "DOL-EBSA"
  },
  "r151": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Employee Retirement Income Security Act of 1974",
   "Number": "2520",
   "Section": "103",
   "Subsection": "6",
   "Paragraph": "d",
   "Subparagraph": "(1)(i)",
   "Publisher": "DOL-EBSA"
  },
  "r152": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Employee Retirement Income Security Act of 1974",
   "Number": "2520",
   "Section": "103",
   "Subsection": "6",
   "Paragraph": "d",
   "Subparagraph": "(1)(ii)",
   "Publisher": "DOL-EBSA"
  },
  "r153": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Employee Retirement Income Security Act of 1974",
   "Number": "2520",
   "Section": "103",
   "Subsection": "6",
   "Paragraph": "d",
   "Subparagraph": "(1)(iii)",
   "Publisher": "DOL-EBSA"
  },
  "r154": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Employee Retirement Income Security Act of 1974",
   "Number": "2520",
   "Section": "103",
   "Subsection": "6",
   "Paragraph": "d",
   "Subparagraph": "(1)(iv)",
   "Publisher": "DOL-EBSA"
  },
  "r155": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Employee Retirement Income Security Act of 1974",
   "Number": "2520",
   "Section": "103",
   "Subsection": "6",
   "Paragraph": "d",
   "Subparagraph": "(1)(v)",
   "Publisher": "DOL-EBSA"
  },
  "r156": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Employee Retirement Income Security Act of 1974",
   "Number": "2520",
   "Section": "103",
   "Subsection": "6",
   "Paragraph": "d",
   "Subparagraph": "(1)(vi)",
   "Publisher": "DOL-EBSA"
  },
  "r157": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Employee Retirement Income Security Act of 1974",
   "Number": "2520",
   "Section": "103",
   "Subsection": "6",
   "Paragraph": "d",
   "Subparagraph": "(1)(vii)",
   "Publisher": "DOL-EBSA"
  },
  "r158": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Employee Retirement Income Security Act of 1974",
   "Number": "2520",
   "Section": "103",
   "Subsection": "6",
   "Paragraph": "d",
   "Subparagraph": "(2)",
   "Publisher": "DOL-EBSA"
  },
  "r159": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Employee Retirement Income Security Act of 1974",
   "Number": "2520",
   "Section": "103",
   "Subsection": "6",
   "Paragraph": "d",
   "Subparagraph": "(2)(i)",
   "Publisher": "DOL-EBSA"
  },
  "r160": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Employee Retirement Income Security Act of 1974",
   "Number": "2520",
   "Section": "103",
   "Subsection": "6",
   "Paragraph": "d",
   "Subparagraph": "(2)(ii)",
   "Publisher": "DOL-EBSA"
  },
  "r161": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Employee Retirement Income Security Act of 1974",
   "Number": "2520",
   "Section": "103",
   "Subsection": "6",
   "Paragraph": "d",
   "Subparagraph": "(2)(iii)",
   "Publisher": "DOL-EBSA"
  },
  "r162": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Employee Retirement Income Security Act of 1974",
   "Number": "2520",
   "Section": "103",
   "Subsection": "6",
   "Paragraph": "d",
   "Subparagraph": "(2)(iv)",
   "Publisher": "DOL-EBSA"
  },
  "r163": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "Employee Retirement Income Security Act of 1974",
   "Number": "2520",
   "Section": "103",
   "Subsection": "6",
   "Paragraph": "d",
   "Subparagraph": "(2)(v)",
   "Publisher": "DOL-EBSA"
  },
  "r164": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "275",
   "SubTopic": "10",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "18",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147482861/275-10-50-18"
  },
  "r165": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Subparagraph": "(g)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147478416/962-205-50-1"
  },
  "r166": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-01)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r167": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-02)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r168": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-03(1))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r169": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-04(1)(a)(1))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r170": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-04(2)(a)(1))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r171": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-04(4)(a)(1))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r172": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-04(4)(b))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r173": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "962",
   "SubTopic": "205",
   "Name": "Accounting Standards Codification",
   "Section": "S99",
   "Paragraph": "1",
   "Subparagraph": "(SX 210.6A-05(a)(Schedule II))",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1"
  },
  "r174": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "962",
   "SubTopic": "235",
   "Name": "Accounting Standards Codification",
   "Section": "S50",
   "Paragraph": "1",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147479143/962-235-S50-1"
  },
  "r175": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "5",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-5"
  },
  "r176": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "6",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-6"
  },
  "r177": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "45",
   "Paragraph": "8",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-8"
  },
  "r178": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "1",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-1"
  },
  "r179": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "3",
   "Subparagraph": "(f)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-3"
  },
  "r180": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "8A",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8A"
  },
  "r181": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "8A",
   "Subparagraph": "(g)",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8A"
  },
  "r182": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "8B",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8B"
  },
  "r183": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Topic": "962",
   "SubTopic": "325",
   "Name": "Accounting Standards Codification",
   "Section": "50",
   "Paragraph": "8C",
   "Publisher": "FASB",
   "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8C"
  }
 }
}
