{ "version": "2.2", "instance": { "ea0284690-s1a1_jatt2acq.htm": { "nsprefix": "jatt", "nsuri": "http://www.jattacquisition.com/20260402", "dts": { "inline": { "local": [ "ea0284690-s1a1_jatt2acq.htm" ] }, "schema": { "local": [ "jatt-20260402.xsd" ], "remote": [ "http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd", "http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd", "http://www.xbrl.org/2003/xl-2003-12-31.xsd", "http://www.xbrl.org/2003/xlink-2003-12-31.xsd", "http://www.xbrl.org/2005/xbrldt-2005.xsd", "http://www.xbrl.org/2006/ref-2006-02-27.xsd", "http://www.xbrl.org/lrr/arcrole/deprecated-2009-12-16.xsd", "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/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/spac/2025q3/spac-2025q3.xsd" ] }, "definitionLink": { "local": [ "jatt-20260402_def.xml" ] }, "labelLink": { "local": [ "jatt-20260402_lab.xml" ] }, "presentationLink": { "local": [ "jatt-20260402_pre.xml" ] } }, "keyStandard": 48, "keyCustom": 0, "axisStandard": 6, "axisCustom": 0, "memberStandard": 10, "memberCustom": 19, "hidden": { "total": 18, "http://xbrl.sec.gov/spac/2025q3": 15, "http://xbrl.sec.gov/dei/2025": 3 }, "contextCount": 107, "entityCount": 1, "segmentCount": 30, "elementCount": 115, "unitCount": 4, "baseTaxonomies": { "http://xbrl.sec.gov/spac/2025q3": 236, "http://xbrl.sec.gov/dei/2025": 10 }, "report": { "R1": { "role": "http://www.jattacquisition.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:AmendmentDescription", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "p", "div", "body", "html" ], "reportCount": 1, "baseRef": "ea0284690-s1a1_jatt2acq.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c0", "name": "dei:AmendmentDescription", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "p", "div", "body", "html" ], "reportCount": 1, "baseRef": "ea0284690-s1a1_jatt2acq.htm", "first": true, "unique": true } }, "R2": { "role": "http://xbrl.sec.gov/spac/role/sk1602", "longName": "99554.2 - Disclosure - S-K 1602, SPAC Registered Offerings", "shortName": "S-K 1602, SPAC Registered Offerings", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "2", "firstAnchor": { "contextRef": "c0", "name": "spac:SpacOfferingForepartSecurityHoldersHaveTheOpportunityToRedeemSecuritiesFlag", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "p", "div", "body", "html" ], "reportCount": 1, "baseRef": "ea0284690-s1a1_jatt2acq.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c0", "name": "spac:SpacOfferingForepartSecurityHoldersHaveTheOpportunityToRedeemSecuritiesFlag", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "p", "div", "body", "html" ], "reportCount": 1, "baseRef": "ea0284690-s1a1_jatt2acq.htm", "first": true, "unique": true } }, "R3": { "role": "http://xbrl.sec.gov/spac/role/sk1602a3", "longName": "99554.2.1.3 - Disclosure - S-K 1602(a)(3) Forepart, Sponsor Compensation", "shortName": "S-K 1602(a)(3) Forepart, Sponsor Compensation", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "3", "firstAnchor": { "contextRef": "c0", "name": "spac:PricePaidOrToBePaidForSecuritiesPerShare", "unitRef": "usdPershares", "xsiNil": "false", "lang": null, "decimals": "2", "ancestors": [ "p", "div", "body", "html" ], "reportCount": 1, "baseRef": "ea0284690-s1a1_jatt2acq.htm", "first": true }, "uniqueAnchor": { "contextRef": "c4", "name": "spac:SecuritiesIssuedOrToBeIssuedShares", "unitRef": "shares", "xsiNil": "false", "lang": null, "decimals": "0", "ancestors": [ "p", "div", "body", "html" ], "reportCount": 1, "baseRef": "ea0284690-s1a1_jatt2acq.htm", "unique": true } }, "R4": { "role": "http://xbrl.sec.gov/spac/role/sk1602b6", "longName": "99554.2.2.6 - Disclosure - S-K 1602(b)(6) Prospectus Summary, Sponsor Compensation", "shortName": "S-K 1602(b)(6) Prospectus Summary, Sponsor Compensation", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "4", "firstAnchor": { "contextRef": "c0", "name": "spac:PricePaidOrToBePaidForSecuritiesPerShare", "unitRef": "usdPershares", "xsiNil": "false", "lang": null, "decimals": "2", "ancestors": [ "p", "div", "body", "html" ], "reportCount": 1, "baseRef": "ea0284690-s1a1_jatt2acq.htm", "first": true }, "uniqueAnchor": { "contextRef": "c6", "name": "spac:SecuritiesIssuedOrToBeIssuedShares", "unitRef": "shares", "xsiNil": "false", "lang": null, "decimals": "0", "ancestors": [ "span", "td", "tr", "table", "ix:continuation", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "ea0284690-s1a1_jatt2acq.htm", "unique": true } }, "R5": { "role": "http://xbrl.sec.gov/spac/role/sk1602c", "longName": "99554.2.3 - Disclosure - S-K 1602(c) Dilution", "shortName": "S-K 1602(c) Dilution", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "5", "firstAnchor": { "contextRef": "c17", "name": "spac:RegisteredOfferingPrice1PerShare", "unitRef": "usdPershares", "xsiNil": "false", "lang": null, "decimals": "2", "ancestors": [ "td", "tr", "table", "ix:continuation", "div", "body", "html" ], "reportCount": 1, "baseRef": "ea0284690-s1a1_jatt2acq.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c17", "name": "spac:RegisteredOfferingPrice1PerShare", "unitRef": "usdPershares", "xsiNil": "false", "lang": null, "decimals": "2", "ancestors": [ "td", "tr", "table", "ix:continuation", "div", "body", "html" ], "reportCount": 1, "baseRef": "ea0284690-s1a1_jatt2acq.htm", "first": true, "unique": true } }, "R6": { "role": "http://xbrl.sec.gov/spac/role/sk1603", "longName": "99554.3 - Disclosure - S-K 1603, SPAC Sponsor; Conflicts of Interest", "shortName": "S-K 1603, SPAC Sponsor; Conflicts of Interest", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "6", "firstAnchor": { "contextRef": "c0", "name": "spac:SpacSponsorAndAffiliatesInformationRestrictionsOnSaleOfSpacSecuritiesTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "ea0284690-s1a1_jatt2acq.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c0", "name": "spac:SpacSponsorAndAffiliatesInformationRestrictionsOnSaleOfSpacSecuritiesTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "ea0284690-s1a1_jatt2acq.htm", "first": true, "unique": true } }, "R7": { "role": "http://xbrl.sec.gov/spac/role/sk1603a", "longName": "99554.3.1 - Disclosure - S-K 1603(a) SPAC Sponsor", "shortName": "S-K 1603(a) SPAC Sponsor", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "7", "firstAnchor": { "contextRef": "c0", "name": "spac:SpacSponsorName", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "i", "td", "tr", "table", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "ea0284690-s1a1_jatt2acq.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c0", "name": "spac:SpacSponsorName", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "i", "td", "tr", "table", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "ea0284690-s1a1_jatt2acq.htm", "first": true, "unique": true } }, "R8": { "role": "http://xbrl.sec.gov/spac/role/sk1603a71", "longName": "99554.3.1.7.1 - Disclosure - S-K 1603(a)(7) Sponsor Controlling Persons", "shortName": "S-K 1603(a)(7) Sponsor Controlling Persons", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "8", "firstAnchor": { "contextRef": "c0", "name": "spac:SpacSponsorControllingPersonName", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "p", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "ea0284690-s1a1_jatt2acq.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c0", "name": "spac:SpacSponsorControllingPersonName", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "p", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "ea0284690-s1a1_jatt2acq.htm", "first": true, "unique": true } }, "R9": { "role": "http://xbrl.sec.gov/spac/role/sk1603a9", "longName": "99554.3.1.9 - Disclosure - S-K 1603(a)(9) Restrictions on Selling Securities", "shortName": "S-K 1603(a)(9) Restrictions on Selling Securities", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "9", "firstAnchor": { "contextRef": "c15", "name": "spac:SpacSponsorDescriptionOfExpirationDatesOfRestrictionsTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "td", "tr", "table", "ix:continuation", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "ea0284690-s1a1_jatt2acq.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c15", "name": "spac:SpacSponsorDescriptionOfExpirationDatesOfRestrictionsTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "td", "tr", "table", "ix:continuation", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "ea0284690-s1a1_jatt2acq.htm", "first": true, "unique": true } }, "R10": { "role": "http://xbrl.sec.gov/spac/role/sk1603b", "longName": "99554.3.2 - Disclosure - S-K 1603(b) Conflicts of Interest", "shortName": "S-K 1603(b) Conflicts of Interest", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "10", "firstAnchor": { "contextRef": "c1", "name": "spac:ConflictOfInterestDescriptionTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "td", "tr", "table", "ix:continuation", "div", "body", "html" ], "reportCount": 1, "baseRef": "ea0284690-s1a1_jatt2acq.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c1", "name": "spac:ConflictOfInterestDescriptionTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "td", "tr", "table", "ix:continuation", "div", "body", "html" ], "reportCount": 1, "baseRef": "ea0284690-s1a1_jatt2acq.htm", "first": true, "unique": true } }, "R11": { "role": "http://xbrl.sec.gov/spac/role/sk1603c", "longName": "99554.3.3 - Disclosure - S-K 1603(c) Fiduciary Duties to Other Companies", "shortName": "S-K 1603(c) Fiduciary Duties to Other Companies", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "11", "firstAnchor": { "contextRef": "c0", "name": "spac:SpacActualOrPotentialMaterialConflictOfInterestProspectusSummaryTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "body", "html" ], "reportCount": 1, "baseRef": "ea0284690-s1a1_jatt2acq.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c0", "name": "spac:SpacActualOrPotentialMaterialConflictOfInterestProspectusSummaryTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "body", "html" ], "reportCount": 1, "baseRef": "ea0284690-s1a1_jatt2acq.htm", "first": true, "unique": true } } }, "tag": { "spac_AllCompensationNaturesMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "AllCompensationNaturesMember", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602a3", "http://xbrl.sec.gov/spac/role/sk1602b6" ], "lang": { "en-us": { "role": { "label": "All Compensation Natures [Member]" } } }, "auth_ref": [ "r4", "r10", "r18", "r23" ] }, "spac_AllSecurityClassesMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "AllSecurityClassesMember", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602c" ], "lang": { "en-us": { "role": { "label": "All Security Classes [Member]" } } }, "auth_ref": [ "r5", "r12", "r20", "r24" ] }, "spac_AllSpacSponsorsAffiliatesOrPromotersMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "AllSpacSponsorsAffiliatesOrPromotersMember", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602a3", "http://xbrl.sec.gov/spac/role/sk1602b6" ], "lang": { "en-us": { "role": { "label": "All SPAC Sponsors, Affiliates, or Promoters [Member]" } } }, "auth_ref": [ "r4", "r10", "r17", "r20", "r23" ] }, "dei_AmendmentDescription": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "AmendmentDescription", "presentation": [ "http://www.jattacquisition.com/role/DocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Amendment Description", "label": "Amendment Description", "documentation": "Description of changes contained within amended document." } } }, "auth_ref": [] }, "dei_AmendmentFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "AmendmentFlag", "presentation": [ "http://www.jattacquisition.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": [] }, "jatt_AmountPaidForRedemptionMember": { "xbrltype": "domainItemType", "nsuri": "http://www.jattacquisition.com/20260402", "localname": "AmountPaidForRedemptionMember", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602c" ], "lang": { "en-us": { "role": { "terseLabel": "Amount paid For Redemption [Member]", "label": "Amount Paid For Redemption Member" } } }, "auth_ref": [] }, "spac_CommonSharesMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "CommonSharesMember", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602b6" ], "lang": { "en-us": { "role": { "terseLabel": "Ordinary Shares [Member]", "label": "Common Shares [Member]" } } }, "auth_ref": [ "r4", "r5", "r10", "r12", "r18", "r20", "r23", "r24" ] }, "spac_CompensationNatureAxis": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "CompensationNatureAxis", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602a3", "http://xbrl.sec.gov/spac/role/sk1602b6" ], "lang": { "en-us": { "role": { "label": "Compensation Nature [Axis]" } } }, "auth_ref": [ "r4", "r10", "r18", "r23" ] }, "spac_ConflictOfInterestDescriptionTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "ConflictOfInterestDescriptionTextBlock", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1603b" ], "lang": { "en-us": { "role": { "terseLabel": "Conflict of Interest, Description [Text Block]", "label": "Conflict of Interest, Description [Text Block]" } } }, "auth_ref": [ "r21" ] }, "spac_ConflictOfInterestPartyAxis": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "ConflictOfInterestPartyAxis", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1603b" ], "lang": { "en-us": { "role": { "label": "Conflict of Interest, Party [Axis]" } } }, "auth_ref": [ "r21" ] }, "spac_DeSpacConsummationTimeframeHowExtendedTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "DeSpacConsummationTimeframeHowExtendedTextBlock", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602" ], "lang": { "en-us": { "role": { "terseLabel": "De-SPAC Consummation Timeframe, How Extended [Text Block]", "label": "De-SPAC Consummation Timeframe, How Extended [Text Block]" } } }, "auth_ref": [ "r9" ] }, "spac_DeSpacConsummationTimeframePlansIfItFailsTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "DeSpacConsummationTimeframePlansIfItFailsTextBlock", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602" ], "lang": { "en-us": { "role": { "terseLabel": "De-SPAC Consummation Timeframe, Plans if it Fails [Text Block]", "label": "De-SPAC Consummation Timeframe, Plans if it Fails [Text Block]" } } }, "auth_ref": [ "r9" ] }, "spac_DeferredUnderwritingCommissionsMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "DeferredUnderwritingCommissionsMember", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602c" ], "lang": { "en-us": { "role": { "terseLabel": "Deferred Underwriting Commissions [Member]", "label": "Deferred Underwriting Commissions [Member]" } } }, "auth_ref": [ "r12", "r24" ] }, "spac_DilutionSourceAxis": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "DilutionSourceAxis", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602c" ], "lang": { "en-us": { "role": { "label": "Dilution Source [Axis]" } } }, "auth_ref": [ "r12", "r24" ] }, "jatt_DocumentAndEntityInformationAbstract": { "xbrltype": "stringItemType", "nsuri": "http://www.jattacquisition.com/20260402", "localname": "DocumentAndEntityInformationAbstract", "auth_ref": [] }, "dei_DocumentInformationLineItems": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "DocumentInformationLineItems", "presentation": [ "http://www.jattacquisition.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://www.jattacquisition.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_DocumentType": { "xbrltype": "submissionTypeItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "DocumentType", "presentation": [ "http://www.jattacquisition.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": [] }, "jatt_DrSomeitSidhuMember": { "xbrltype": "domainItemType", "nsuri": "http://www.jattacquisition.com/20260402", "localname": "DrSomeitSidhuMember", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602b6" ], "lang": { "en-us": { "role": { "terseLabel": "Dr. Someit Sidhu [Member]", "label": "Dr Someit Sidhu Member" } } }, "auth_ref": [] }, "dei_EntityCentralIndexKey": { "xbrltype": "centralIndexKeyItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "EntityCentralIndexKey", "presentation": [ "http://www.jattacquisition.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": [ "r0" ] }, "dei_EntityEmergingGrowthCompany": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "EntityEmergingGrowthCompany", "presentation": [ "http://www.jattacquisition.com/role/DocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Emerging Growth Company", "label": "Entity Emerging Growth Company", "documentation": "Indicate if registrant meets the emerging growth company criteria." } } }, "auth_ref": [ "r0" ] }, "dei_EntityExTransitionPeriod": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "EntityExTransitionPeriod", "presentation": [ "http://www.jattacquisition.com/role/DocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Ex Transition Period", "label": "Entity Ex Transition Period", "documentation": "Indicate if an emerging growth company has elected not to use the extended transition period for complying with any new or revised financial accounting standards." } } }, "auth_ref": [ "r25" ] }, "dei_EntityFilerCategory": { "xbrltype": "filerCategoryItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "EntityFilerCategory", "presentation": [ "http://www.jattacquisition.com/role/DocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Filer Category", "label": "Entity Filer Category", "documentation": "Indicate whether the registrant is one of the following: Large Accelerated Filer, Accelerated Filer, Non-accelerated Filer. Definitions of these categories are stated in Rule 12b-2 of the Exchange Act. This information should be based on the registrant's current or most recent filing containing the related disclosure." } } }, "auth_ref": [ "r0" ] }, "dei_EntityIncorporationStateCountryCode": { "xbrltype": "edgarStateCountryItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "EntityIncorporationStateCountryCode", "presentation": [ "http://www.jattacquisition.com/role/DocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Incorporation, State or Country Code", "label": "Entity Incorporation, State or Country Code", "documentation": "Two-character EDGAR code representing the state or country of incorporation." } } }, "auth_ref": [] }, "dei_EntityRegistrantName": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "EntityRegistrantName", "presentation": [ "http://www.jattacquisition.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": [ "r0" ] }, "dei_EntitySmallBusiness": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "EntitySmallBusiness", "presentation": [ "http://www.jattacquisition.com/role/DocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Small Business", "label": "Entity Small Business", "documentation": "Indicates that the company is a Smaller Reporting Company (SRC)." } } }, "auth_ref": [ "r0" ] }, "jatt_ExecutiveOfficersAndDirectorsMember": { "xbrltype": "domainItemType", "nsuri": "http://www.jattacquisition.com/20260402", "localname": "ExecutiveOfficersAndDirectorsMember", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1603b" ], "lang": { "en-us": { "role": { "terseLabel": "Executive Officers and Directors [Member]", "label": "Executive Officers And Directors Member" } } }, "auth_ref": [] }, "spac_FiduciaryDutiesToOtherCompaniesSpacOfficersAndDirectorsAbstract": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "FiduciaryDutiesToOtherCompaniesSpacOfficersAndDirectorsAbstract", "auth_ref": [ "r22" ] }, "spac_FiduciaryDutiesToOtherCompaniesSpacOfficersAndDirectorsLineItems": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "FiduciaryDutiesToOtherCompaniesSpacOfficersAndDirectorsLineItems", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1603c" ], "lang": { "en-us": { "role": { "label": "Fiduciary Duties to Other Companies, SPAC Officers and Directors [Line Items]" } } }, "auth_ref": [ "r22" ] }, "spac_FiduciaryDutiesToOtherCompaniesSpacOfficersAndDirectorsTable": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "FiduciaryDutiesToOtherCompaniesSpacOfficersAndDirectorsTable", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1603c" ], "lang": { "en-us": { "role": { "label": "Fiduciary Duties to Other Companies, SPAC Officers and Directors [Table]" } } }, "auth_ref": [ "r22" ] }, "spac_FiduciaryDutiesToOtherCompaniesSpacOfficersAndDirectorsTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "FiduciaryDutiesToOtherCompaniesSpacOfficersAndDirectorsTableTextBlock", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1603c" ], "lang": { "en-us": { "role": { "terseLabel": "Fiduciary Duties to Other Companies, SPAC Officers and Directors [Table Text Block]", "label": "Fiduciary Duties to Other Companies, SPAC Officers and Directors [Table Text Block]" } } }, "auth_ref": [ "r22" ] }, "spac_FounderSharesMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "FounderSharesMember", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1603a9" ], "lang": { "en-us": { "role": { "terseLabel": "Founder Shares [Member]", "label": "Founder Shares [Member]" } } }, "auth_ref": [ "r4", "r5", "r10", "r12", "r18", "r20", "r23", "r24" ] }, "jatt_FullOverAllotmentMember": { "xbrltype": "domainItemType", "nsuri": "http://www.jattacquisition.com/20260402", "localname": "FullOverAllotmentMember", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602c" ], "lang": { "en-us": { "role": { "terseLabel": "Full Over-Allotment [Member]", "label": "Full Over Allotment Member" } } }, "auth_ref": [] }, "jatt_IndependentConsultantMember": { "xbrltype": "domainItemType", "nsuri": "http://www.jattacquisition.com/20260402", "localname": "IndependentConsultantMember", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602b6" ], "lang": { "en-us": { "role": { "terseLabel": "Independent Consultant [Member]", "label": "Independent Consultant Member" } } }, "auth_ref": [] }, "jatt_IndependentDirectorsMember": { "xbrltype": "domainItemType", "nsuri": "http://www.jattacquisition.com/20260402", "localname": "IndependentDirectorsMember", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602b6" ], "lang": { "en-us": { "role": { "terseLabel": "Independent Directors [Member]", "label": "Independent Directors Member" } } }, "auth_ref": [] }, "jatt_InitialShareholdersMember": { "xbrltype": "domainItemType", "nsuri": "http://www.jattacquisition.com/20260402", "localname": "InitialShareholdersMember", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1603b" ], "lang": { "en-us": { "role": { "terseLabel": "Initial Shareholders [Member]", "label": "Initial Shareholders Member" } } }, "auth_ref": [] }, "jatt_JATTIIAcquisitionSponsorAndAffliatesMember": { "xbrltype": "domainItemType", "nsuri": "http://www.jattacquisition.com/20260402", "localname": "JATTIIAcquisitionSponsorAndAffliatesMember", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602b6" ], "lang": { "en-us": { "role": { "terseLabel": "JATT II Acquisition Sponsor and Affliates [Member]", "label": "JATTIIAcquisition Sponsor And Affliates Member" } } }, "auth_ref": [] }, "jatt_JATTIIAcquisitionSponsorMember": { "xbrltype": "domainItemType", "nsuri": "http://www.jattacquisition.com/20260402", "localname": "JATTIIAcquisitionSponsorMember", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602b6" ], "lang": { "en-us": { "role": { "terseLabel": "JATT II Acquisition Sponsor [Member]", "label": "JATTIIAcquisition Sponsor Member" } } }, "auth_ref": [] }, "jatt_MrNicholasFernandezMember": { "xbrltype": "domainItemType", "nsuri": "http://www.jattacquisition.com/20260402", "localname": "MrNicholasFernandezMember", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602b6" ], "lang": { "en-us": { "role": { "terseLabel": "Mr. Nicholas Fernandez [Member]", "label": "Mr Nicholas Fernandez Member" } } }, "auth_ref": [] }, "spac_NetTangibleBookValue": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "NetTangibleBookValue", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602c" ], "lang": { "en-us": { "role": { "terseLabel": "Net Tangible Book Value", "label": "Net Tangible Book Value" } } }, "auth_ref": [ "r12" ] }, "spac_NetTangibleBookValueAdjusted": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "NetTangibleBookValueAdjusted", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602c" ], "lang": { "en-us": { "role": { "terseLabel": "Net Tangible Book Value, Adjusted", "label": "Net Tangible Book Value, Adjusted" } } }, "auth_ref": [ "r12" ] }, "spac_NetTangibleBookValueAdjustedPerShare": { "xbrltype": "perShareItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "NetTangibleBookValueAdjustedPerShare", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602c" ], "lang": { "en-us": { "role": { "terseLabel": "Net Tangible Book Value, Adjusted, per Share (in Dollars per share)", "label": "Net Tangible Book Value, Adjusted, per Share" } } }, "auth_ref": [ "r5", "r12" ] }, "spac_NetTangibleBookValueAmountOfDilutionPerShare": { "xbrltype": "perShareItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "NetTangibleBookValueAmountOfDilutionPerShare", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602c" ], "lang": { "en-us": { "role": { "terseLabel": "Net Tangible Book Value, Amount of Dilution, per Share (in Dollars per share)", "label": "Net Tangible Book Value, Amount of Dilution, per Share" } } }, "auth_ref": [ "r12" ] }, "spac_NetTangibleBookValueIncreaseFromPublicShareholdersPerShare": { "xbrltype": "perShareItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "NetTangibleBookValueIncreaseFromPublicShareholdersPerShare", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602c" ], "lang": { "en-us": { "role": { "terseLabel": "Net Tangible Book Value, Increase from Public Shareholders, Per Share (in Dollars per share)", "label": "Net Tangible Book Value, Increase from Public Shareholders, Per Share" } } }, "auth_ref": [ "r5", "r12" ] }, "spac_NetTangibleBookValueLineItems": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "NetTangibleBookValueLineItems", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602c" ], "lang": { "en-us": { "role": { "label": "Net Tangible Book Value [Line Items]" } } }, "auth_ref": [ "r12" ] }, "spac_NetTangibleBookValuePreTransactionPerShare": { "xbrltype": "perShareItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "NetTangibleBookValuePreTransactionPerShare", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602c" ], "lang": { "en-us": { "role": { "terseLabel": "Net Tangible Book Value, Pre-transaction, Per Share (in Dollars per share)", "label": "Net Tangible Book Value, Pre-transaction, Per Share" } } }, "auth_ref": [ "r5", "r12" ] }, "spac_NetTangibleBookValueProceedsFromOffering": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "NetTangibleBookValueProceedsFromOffering", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602c" ], "lang": { "en-us": { "role": { "terseLabel": "Net Tangible Book Value, Proceeds from Offering", "label": "Net Tangible Book Value, Proceeds from Offering" } } }, "auth_ref": [ "r12" ] }, "jatt_NoOverAllotmentMember": { "xbrltype": "domainItemType", "nsuri": "http://www.jattacquisition.com/20260402", "localname": "NoOverAllotmentMember", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602c" ], "lang": { "en-us": { "role": { "terseLabel": "No Over-Allotment [Member]", "label": "No Over Allotment Member" } } }, "auth_ref": [] }, "spac_NoRedemptionMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "NoRedemptionMember", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602c" ], "lang": { "en-us": { "role": { "terseLabel": "No Redemption [Member]", "label": "No Redemption [Member]" } } }, "auth_ref": [ "r5", "r12", "r24" ] }, "spac_NumberOfSharesUsedAdjustment": { "xbrltype": "sharesItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "NumberOfSharesUsedAdjustment", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602c" ], "lang": { "en-us": { "role": { "terseLabel": "Number of Shares Used, Adjustment (in Shares)", "label": "Number of Shares Used, Adjustment" } } }, "auth_ref": [ "r12" ] }, "spac_NumberOfSharesUsedToDetermineNetTangibleBookValuePerShareAdjusted": { "xbrltype": "sharesItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "NumberOfSharesUsedToDetermineNetTangibleBookValuePerShareAdjusted", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602c" ], "lang": { "en-us": { "role": { "terseLabel": "Number of Shares Used to Determine Net Tangible Book Value per Share, Adjusted (in Shares)", "label": "Number of Shares Used to Determine Net Tangible Book Value per Share, Adjusted" } } }, "auth_ref": [ "r12" ] }, "spac_NumberOfSharesUsedToDetermineNetTangibleBookValuePerSharePreTransaction": { "xbrltype": "sharesItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "NumberOfSharesUsedToDetermineNetTangibleBookValuePerSharePreTransaction", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602c" ], "lang": { "en-us": { "role": { "terseLabel": "Number of Shares Used to Determine Net Tangible Book Value per Share, Pre-transaction (in Shares)", "label": "Number of Shares Used to Determine Net Tangible Book Value per Share, Pre-transaction" } } }, "auth_ref": [ "r12" ] }, "jatt_OfferingCostPaidInAdvanceExcludedFromTangibleBookValueMember": { "xbrltype": "domainItemType", "nsuri": "http://www.jattacquisition.com/20260402", "localname": "OfferingCostPaidInAdvanceExcludedFromTangibleBookValueMember", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602c" ], "lang": { "en-us": { "role": { "terseLabel": "Offering Cost Paid In Advance, Excluded From Tangible Book Value [Member]", "label": "Offering Cost Paid In Advance Excluded From Tangible Book Value Member" } } }, "auth_ref": [] }, "jatt_OfficersDirectorsAndAdvisorsMember": { "xbrltype": "domainItemType", "nsuri": "http://www.jattacquisition.com/20260402", "localname": "OfficersDirectorsAndAdvisorsMember", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1603b" ], "lang": { "en-us": { "role": { "terseLabel": "Officers, Directors And Advisors [Member]", "label": "Officers Directors And Advisors Member" } } }, "auth_ref": [] }, "jatt_OrdinarySharesForfeitedIfOverAllotmentIsNotExercisedMember": { "xbrltype": "domainItemType", "nsuri": "http://www.jattacquisition.com/20260402", "localname": "OrdinarySharesForfeitedIfOverAllotmentIsNotExercisedMember", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602c" ], "lang": { "en-us": { "role": { "terseLabel": "Ordinary Shares Forfeited If Over-Allotment Is Not Exercised [Member]", "label": "Ordinary Shares Forfeited If Over Allotment Is Not Exercised Member" } } }, "auth_ref": [] }, "jatt_OrdinarySharesOfferedMember": { "xbrltype": "domainItemType", "nsuri": "http://www.jattacquisition.com/20260402", "localname": "OrdinarySharesOfferedMember", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602c" ], "lang": { "en-us": { "role": { "terseLabel": "Ordinary Shares Offered [Member]", "label": "Ordinary Shares Offered Member" } } }, "auth_ref": [] }, "jatt_OrdinarySharesRedeemedMember": { "xbrltype": "domainItemType", "nsuri": "http://www.jattacquisition.com/20260402", "localname": "OrdinarySharesRedeemedMember", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602c" ], "lang": { "en-us": { "role": { "terseLabel": "Ordinary Shares Redeemed [Member]", "label": "Ordinary Shares Redeemed Member" } } }, "auth_ref": [] }, "spac_OverallotmentLiabilityMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "OverallotmentLiabilityMember", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602c" ], "lang": { "en-us": { "role": { "terseLabel": "Overallotment Liability [Member]", "label": "Overallotment Liability [Member]" } } }, "auth_ref": [ "r12", "r24" ] }, "spac_PricePaidOrToBePaidForSecuritiesPerShare": { "xbrltype": "perShareItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "PricePaidOrToBePaidForSecuritiesPerShare", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602a3", "http://xbrl.sec.gov/spac/role/sk1602b6" ], "lang": { "en-us": { "role": { "terseLabel": "Price Paid or to be Paid for Securities, Per Share", "verboseLabel": "Price Paid or to be Paid for Securities, Per Share (in Dollars per share)", "label": "Price Paid or to be Paid for Securities, Per Share" } } }, "auth_ref": [ "r4", "r10", "r18" ] }, "spac_PricePaidOrToBePaidForSecuritiesTotalAmount": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "PricePaidOrToBePaidForSecuritiesTotalAmount", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602a3", "http://xbrl.sec.gov/spac/role/sk1602b6" ], "lang": { "en-us": { "role": { "terseLabel": "Price Paid or to be Paid for Securities, Total Amount", "verboseLabel": "Price Paid or to be Paid for Securities, Total Amount (in Dollars)", "label": "Price Paid or to be Paid for Securities, Total Amount" } } }, "auth_ref": [ "r4", "r10", "r18" ] }, "jatt_PrivatePlacementSharesMember": { "xbrltype": "domainItemType", "nsuri": "http://www.jattacquisition.com/20260402", "localname": "PrivatePlacementSharesMember", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602b6", "http://xbrl.sec.gov/spac/role/sk1602c" ], "lang": { "en-us": { "role": { "terseLabel": "Private Placement Shares[Member]", "label": "Private Placement Shares Member" } } }, "auth_ref": [] }, "jatt_PrivatePlacementWarrantsMember": { "xbrltype": "domainItemType", "nsuri": "http://www.jattacquisition.com/20260402", "localname": "PrivatePlacementWarrantsMember", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1603a9" ], "lang": { "en-us": { "role": { "terseLabel": "Private Placement Warrants [Member]", "label": "Private Placement Warrants Member" } } }, "auth_ref": [] }, "spac_RedemptionAt100PercentOfMaximumMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "RedemptionAt100PercentOfMaximumMember", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602c" ], "lang": { "en-us": { "role": { "terseLabel": "Redemption at 100 Percent of Maximum [Member]", "label": "Redemption at 100 Percent of Maximum [Member]" } } }, "auth_ref": [ "r5", "r12", "r24" ] }, "spac_RedemptionAt25PercentOfMaximumMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "RedemptionAt25PercentOfMaximumMember", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602c" ], "lang": { "en-us": { "role": { "terseLabel": "Redemption at 25 Percent of Maximum [Member]", "label": "Redemption at 25 Percent of Maximum [Member]" } } }, "auth_ref": [ "r5" ] }, "spac_RedemptionAt50PercentOfMaximumMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "RedemptionAt50PercentOfMaximumMember", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602c" ], "lang": { "en-us": { "role": { "terseLabel": "Redemption at 50 Percent of Maximum [Member]", "label": "Redemption at 50 Percent of Maximum [Member]" } } }, "auth_ref": [ "r5" ] }, "spac_RedemptionAt75PercentOfMaximumMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "RedemptionAt75PercentOfMaximumMember", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602c" ], "lang": { "en-us": { "role": { "terseLabel": "Redemption at 75 Percent of Maximum [Member]", "label": "Redemption at 75 Percent of Maximum [Member]" } } }, "auth_ref": [ "r5" ] }, "spac_RedemptionLevelAxis": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "RedemptionLevelAxis", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602c" ], "lang": { "en-us": { "role": { "label": "Redemption Level [Axis]" } } }, "auth_ref": [ "r5", "r12", "r24" ] }, "spac_RegisteredOfferingPrice1PerShare": { "xbrltype": "perShareItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "RegisteredOfferingPrice1PerShare", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602c" ], "lang": { "en-us": { "role": { "terseLabel": "Registered Offering Price per Share (in Dollars per share)", "label": "Registered Offering Price per Share" } } }, "auth_ref": [ "r5", "r12" ] }, "spac_SecuritiesIssuedOrToBeIssuedShares": { "xbrltype": "sharesItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "SecuritiesIssuedOrToBeIssuedShares", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602a3", "http://xbrl.sec.gov/spac/role/sk1602b6" ], "lang": { "en-us": { "role": { "terseLabel": "Securities Issued or to be Issued, Shares", "label": "Securities Issued or to be Issued, Shares" } } }, "auth_ref": [ "r4", "r10", "r18" ] }, "spac_SecurityClassAxis": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "SecurityClassAxis", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602c", "http://xbrl.sec.gov/spac/role/sk1603a9" ], "lang": { "en-us": { "role": { "label": "Security Class [Axis]" } } }, "auth_ref": [ "r5", "r12", "r20", "r24" ] }, "spac_SpacActualOrPotentialMaterialConflictOfInterestProspectusSummaryTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "SpacActualOrPotentialMaterialConflictOfInterestProspectusSummaryTextBlock", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1603c" ], "lang": { "en-us": { "role": { "terseLabel": "SPAC, Actual or Potential Material Conflict of Interest, Prospectus Summary [Text Block]", "label": "SPAC, Actual or Potential Material Conflict of Interest, Prospectus Summary [Text Block]" } } }, "auth_ref": [ "r11" ] }, "spac_SpacAdjustedNetTangibleBookValuePerShareWithSourcesOfDilutionAbstract": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "SpacAdjustedNetTangibleBookValuePerShareWithSourcesOfDilutionAbstract", "lang": { "en-us": { "role": { "label": "SPAC, Adjusted Net Tangible Book Value Per Share with Sources of Dilution [Abstract]" } } }, "auth_ref": [ "r12" ] }, "spac_SpacAdjustedNetTangibleBookValuePerShareWithSourcesOfDilutionTable": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "SpacAdjustedNetTangibleBookValuePerShareWithSourcesOfDilutionTable", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602c" ], "lang": { "en-us": { "role": { "label": "SPAC, Adjusted Net Tangible Book Value Per Share with Sources of Dilution [Table]" } } }, "auth_ref": [ "r12" ] }, "spac_SpacAdjustedNetTangibleBookValuePerShareWithSourcesOfDilutionTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "SpacAdjustedNetTangibleBookValuePerShareWithSourcesOfDilutionTableTextBlock", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602" ], "lang": { "en-us": { "role": { "terseLabel": "SPAC, Adjusted Net Tangible Book Value Per Share with Sources of Dilution [Table Text Block]", "label": "SPAC, Adjusted Net Tangible Book Value Per Share with Sources of Dilution [Table Text Block]" } } }, "auth_ref": [ "r12" ] }, "spac_SpacCompensationAndSecuritiesIssuanceMaterialDilutionLikelihoodTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "SpacCompensationAndSecuritiesIssuanceMaterialDilutionLikelihoodTextBlock", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602" ], "lang": { "en-us": { "role": { "terseLabel": "SPAC, Compensation and Securities Issuance, Material Dilution, Likelihood [Text Block]", "label": "SPAC, Compensation and Securities Issuance, Material Dilution, Likelihood [Text Block]" } } }, "auth_ref": [ "r10" ] }, "spac_SpacOfferingForepartAdjustedNetTangibleBookValuePerShareTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "SpacOfferingForepartAdjustedNetTangibleBookValuePerShareTableTextBlock", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602" ], "lang": { "en-us": { "role": { "terseLabel": "SPAC Offering Forepart, Adjusted Net Tangible Book Value Per Share [Table Text Block]", "label": "SPAC Offering Forepart, Adjusted Net Tangible Book Value Per Share [Table Text Block]" } } }, "auth_ref": [ "r5" ] }, "spac_SpacOfferingForepartDeSpacConsummationTimeframe": { "xbrltype": "durationItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "SpacOfferingForepartDeSpacConsummationTimeframe", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602" ], "lang": { "en-us": { "role": { "terseLabel": "SPAC Offering Forepart, De-SPAC Consummation Timeframe", "label": "SPAC Offering Forepart, De-SPAC Consummation Timeframe" } } }, "auth_ref": [ "r2" ] }, "spac_SpacOfferingForepartLineItems": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "SpacOfferingForepartLineItems", "lang": { "en-us": { "role": { "label": "SPAC Offering Forepart [Line Items]" } } }, "auth_ref": [ "r1" ] }, "spac_SpacOfferingForepartSecurityHolderRedemptionsSubjectToLimitationsFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "SpacOfferingForepartSecurityHolderRedemptionsSubjectToLimitationsFlag", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602" ], "lang": { "en-us": { "role": { "terseLabel": "SPAC Offering Forepart, Security Holder Redemptions Subject to Limitations [Flag]", "label": "SPAC Offering Forepart, Security Holder Redemptions Subject to Limitations [Flag]" } } }, "auth_ref": [ "r3" ] }, "spac_SpacOfferingForepartSecurityHoldersHaveTheOpportunityToRedeemSecuritiesFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "SpacOfferingForepartSecurityHoldersHaveTheOpportunityToRedeemSecuritiesFlag", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602" ], "lang": { "en-us": { "role": { "terseLabel": "SPAC Offering Forepart, Security Holders Have the Opportunity to Redeem Securities [Flag]", "label": "SPAC Offering Forepart, Security Holders Have the Opportunity to Redeem Securities [Flag]" } } }, "auth_ref": [ "r3" ] }, "spac_SpacOfferingForepartSponsorCompensationAbstract": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "SpacOfferingForepartSponsorCompensationAbstract", "lang": { "en-us": { "role": { "label": "SPAC Offering Forepart, Sponsor Compensation [Abstract]" } } }, "auth_ref": [ "r4" ] }, "spac_SpacOfferingForepartSponsorCompensationLineItems": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "SpacOfferingForepartSponsorCompensationLineItems", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602a3" ], "lang": { "en-us": { "role": { "label": "SPAC Offering Forepart, Sponsor Compensation [Line Items]" } } }, "auth_ref": [ "r4" ] }, "spac_SpacOfferingForepartSponsorCompensationTable": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "SpacOfferingForepartSponsorCompensationTable", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602a3" ], "lang": { "en-us": { "role": { "label": "SPAC Offering Forepart, Sponsor Compensation [Table]" } } }, "auth_ref": [ "r4" ] }, "spac_SpacProspectusSummarySponsorCompensationAbstract": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "SpacProspectusSummarySponsorCompensationAbstract", "lang": { "en-us": { "role": { "label": "SPAC Prospectus Summary, Sponsor Compensation [Abstract]" } } }, "auth_ref": [ "r10" ] }, "spac_SpacProspectusSummarySponsorCompensationLineItems": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "SpacProspectusSummarySponsorCompensationLineItems", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602b6" ], "lang": { "en-us": { "role": { "label": "SPAC Prospectus Summary, Sponsor Compensation [Line Items]" } } }, "auth_ref": [ "r10" ] }, "spac_SpacProspectusSummarySponsorCompensationTable": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "SpacProspectusSummarySponsorCompensationTable", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602b6" ], "lang": { "en-us": { "role": { "label": "SPAC Prospectus Summary, Sponsor Compensation [Table]" } } }, "auth_ref": [ "r10" ] }, "spac_SpacProspectusSummarySponsorCompensationTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "SpacProspectusSummarySponsorCompensationTableTextBlock", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602" ], "lang": { "en-us": { "role": { "terseLabel": "SPAC Prospectus Summary, Sponsor Compensation [Table Text Block]", "label": "SPAC Prospectus Summary, Sponsor Compensation [Table Text Block]" } } }, "auth_ref": [ "r10" ] }, "spac_SpacSecuritiesOfferedRedemptionRightsTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "SpacSecuritiesOfferedRedemptionRightsTextBlock", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602" ], "lang": { "en-us": { "role": { "terseLabel": "SPAC, Securities Offered, Redemption Rights [Text Block]", "label": "SPAC, Securities Offered, Redemption Rights [Text Block]" } } }, "auth_ref": [ "r8" ] }, "spac_SpacSponsorAbstract": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "SpacSponsorAbstract", "lang": { "en-us": { "role": { "label": "SPAC Sponsor [Abstract]" } } }, "auth_ref": [ "r14" ] }, "spac_SpacSponsorAffiliateOrPromoterAxis": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "SpacSponsorAffiliateOrPromoterAxis", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602a3", "http://xbrl.sec.gov/spac/role/sk1602b6" ], "lang": { "en-us": { "role": { "label": "SPAC Sponsor, Affiliate, or Promoter [Axis]" } } }, "auth_ref": [ "r4", "r10", "r17", "r20", "r23" ] }, "spac_SpacSponsorAndAffiliatesInformationRestrictionsOnSaleOfSpacSecuritiesAbstract": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "SpacSponsorAndAffiliatesInformationRestrictionsOnSaleOfSpacSecuritiesAbstract", "lang": { "en-us": { "role": { "label": "SPAC Sponsor and Affiliates Information, Restrictions on Sale of SPAC Securities [Abstract]" } } }, "auth_ref": [ "r20" ] }, "spac_SpacSponsorAndAffiliatesInformationRestrictionsOnSaleOfSpacSecuritiesLineItems": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "SpacSponsorAndAffiliatesInformationRestrictionsOnSaleOfSpacSecuritiesLineItems", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1603a9" ], "lang": { "en-us": { "role": { "label": "SPAC Sponsor and Affiliates Information, Restrictions on Sale of SPAC Securities [Line Items]" } } }, "auth_ref": [ "r20" ] }, "spac_SpacSponsorAndAffiliatesInformationRestrictionsOnSaleOfSpacSecuritiesTable": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "SpacSponsorAndAffiliatesInformationRestrictionsOnSaleOfSpacSecuritiesTable", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1603a9" ], "lang": { "en-us": { "role": { "label": "SPAC Sponsor and Affiliates Information, Restrictions on Sale of SPAC Securities [Table]" } } }, "auth_ref": [ "r20" ] }, "spac_SpacSponsorAndAffiliatesInformationRestrictionsOnSaleOfSpacSecuritiesTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "SpacSponsorAndAffiliatesInformationRestrictionsOnSaleOfSpacSecuritiesTableTextBlock", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1603" ], "lang": { "en-us": { "role": { "terseLabel": "SPAC Sponsor and Affiliates Information, Restrictions on Sale of SPAC Securities [Table Text Block]", "label": "SPAC Sponsor and Affiliates Information, Restrictions on Sale of SPAC Securities [Table Text Block]" } } }, "auth_ref": [ "r20" ] }, "spac_SpacSponsorAndConflictsOfInterestLineItems": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "SpacSponsorAndConflictsOfInterestLineItems", "auth_ref": [ "r13" ] }, "spac_SpacSponsorBusinessGeneralCharacterTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "SpacSponsorBusinessGeneralCharacterTextBlock", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1603a" ], "lang": { "en-us": { "role": { "terseLabel": "SPAC Sponsor Business, General Character [Text Block]", "label": "SPAC Sponsor Business, General Character [Text Block]" } } }, "auth_ref": [ "r16" ] }, "spac_SpacSponsorCompensationLineItems": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "SpacSponsorCompensationLineItems", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1603a" ], "lang": { "en-us": { "role": { "label": "SPAC Sponsor, Compensation [Line Items]" } } }, "auth_ref": [ "r18" ] }, "spac_SpacSponsorCompensationMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "SpacSponsorCompensationMember", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602a3" ], "lang": { "en-us": { "role": { "terseLabel": "Sponsor [Member]", "label": "SPAC Sponsor Compensation [Member]" } } }, "auth_ref": [ "r12", "r24" ] }, "spac_SpacSponsorConflictOfInterestLineItems": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "SpacSponsorConflictOfInterestLineItems", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1603b" ], "lang": { "en-us": { "role": { "label": "SPAC Sponsor, Conflict of Interest [Line Items]" } } }, "auth_ref": [ "r21" ] }, "spac_SpacSponsorConflictsOfInterestAbstract": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "SpacSponsorConflictsOfInterestAbstract", "auth_ref": [ "r21" ] }, "spac_SpacSponsorConflictsOfInterestTable": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "SpacSponsorConflictsOfInterestTable", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1603b" ], "lang": { "en-us": { "role": { "label": "SPAC Sponsor, Conflicts of Interest [Table]" } } }, "auth_ref": [ "r21" ] }, "spac_SpacSponsorControllingPersonLineItems": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "SpacSponsorControllingPersonLineItems", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1603a71" ], "lang": { "en-us": { "role": { "label": "SPAC Sponsor Controlling Person [Line Items]" } } }, "auth_ref": [ "r19" ] }, "spac_SpacSponsorControllingPersonName": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "SpacSponsorControllingPersonName", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1603a71" ], "lang": { "en-us": { "role": { "terseLabel": "SPAC Sponsor Controlling Person Name", "label": "SPAC Sponsor Controlling Person Name" } } }, "auth_ref": [ "r19" ] }, "spac_SpacSponsorControllingPersonsAbstract": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "SpacSponsorControllingPersonsAbstract", "auth_ref": [ "r19" ] }, "spac_SpacSponsorControllingPersonsTable": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "SpacSponsorControllingPersonsTable", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1603a71" ], "lang": { "en-us": { "role": { "label": "SPAC Sponsor Controlling Persons [Table]" } } }, "auth_ref": [ "r19" ] }, "spac_SpacSponsorDescriptionOfExceptionsToRestrictionsTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "SpacSponsorDescriptionOfExceptionsToRestrictionsTextBlock", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1603a9" ], "lang": { "en-us": { "role": { "terseLabel": "SPAC Sponsor, Description of Exceptions to Restrictions [Text Block]", "label": "SPAC Sponsor, Description of Exceptions to Restrictions [Text Block]" } } }, "auth_ref": [ "r20" ] }, "spac_SpacSponsorDescriptionOfExpirationDatesOfRestrictionsTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "SpacSponsorDescriptionOfExpirationDatesOfRestrictionsTextBlock", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1603a9" ], "lang": { "en-us": { "role": { "terseLabel": "SPAC Sponsor, Description of Expiration Dates of Restrictions [Text Block]", "label": "SPAC Sponsor, Description of Expiration Dates of Restrictions [Text Block]" } } }, "auth_ref": [ "r20" ] }, "spac_SpacSponsorFormOfOrganization": { "xbrltype": "formOfOrganizationItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "SpacSponsorFormOfOrganization", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1603a" ], "lang": { "en-us": { "role": { "terseLabel": "SPAC Sponsor Form of Organization", "label": "SPAC Sponsor Form of Organization" } } }, "auth_ref": [ "r15" ] }, "spac_SpacSponsorName": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "SpacSponsorName", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1603a" ], "lang": { "en-us": { "role": { "terseLabel": "SPAC Sponsor Name", "label": "SPAC Sponsor Name" } } }, "auth_ref": [ "r14" ] }, "spac_SpacSponsorPersonsAndEntitiesSubjectToRestrictions": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "SpacSponsorPersonsAndEntitiesSubjectToRestrictions", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1603a9" ], "lang": { "en-us": { "role": { "terseLabel": "SPAC Sponsor, Persons and Entities Subject to Restrictions", "label": "SPAC Sponsor, Persons and Entities Subject to Restrictions" } } }, "auth_ref": [ "r20" ] }, "spac_SpacSponsorTable": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "SpacSponsorTable", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1603a" ], "lang": { "en-us": { "role": { "label": "SPAC Sponsor [Table]" } } }, "auth_ref": [ "r14" ] }, "spac_SpacTrustOrEscrowAccountGrossOfferingProceedsPlacedPercent": { "xbrltype": "percentItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "SpacTrustOrEscrowAccountGrossOfferingProceedsPlacedPercent", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602" ], "lang": { "en-us": { "role": { "terseLabel": "SPAC, Trust or Escrow Account, Gross Offering Proceeds Placed, Percent", "label": "SPAC, Trust or Escrow Account, Gross Offering Proceeds Placed, Percent" } } }, "auth_ref": [ "r7" ] }, "spac_SpacTrustOrEscrowAccountMaterialTermsTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "SpacTrustOrEscrowAccountMaterialTermsTextBlock", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602" ], "lang": { "en-us": { "role": { "terseLabel": "SPAC, Trust or Escrow Account, Material Terms [Text Block]", "label": "SPAC, Trust or Escrow Account, Material Terms [Text Block]" } } }, "auth_ref": [ "r7" ] }, "spac_SpacWillSolicitShareholderApprovalForDeSpacTransactionFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/spac/2025q3", "localname": "SpacWillSolicitShareholderApprovalForDeSpacTransactionFlag", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602" ], "lang": { "en-us": { "role": { "terseLabel": "SPAC Will Solicit Shareholder Approval for De-SPAC Transaction [Flag]", "label": "SPAC Will Solicit Shareholder Approval for De-SPAC Transaction [Flag]" } } }, "auth_ref": [ "r6" ] }, "jatt_UnderwritersOverAllotmentOptionMember": { "xbrltype": "domainItemType", "nsuri": "http://www.jattacquisition.com/20260402", "localname": "UnderwritersOverAllotmentOptionMember", "presentation": [ "http://xbrl.sec.gov/spac/role/sk1602a3" ], "lang": { "en-us": { "role": { "terseLabel": "Underwriters\u2019 Over-Allotment Option [Member]", "label": "Underwriters Over Allotment Option Member" } } }, "auth_ref": [] } } } }, "std_ref": { "r0": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Exchange Act", "Number": "240", "Section": "12", "Subsection": "b-2" }, "r1": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "1602", "Subsection": "a" }, "r2": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "1602", "Subsection": "a", "Paragraph": "1" }, "r3": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "1602", "Subsection": "a", "Paragraph": "2" }, "r4": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "1602", "Subsection": "a", "Paragraph": "3" }, "r5": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "1602", "Subsection": "a", "Paragraph": "4" }, "r6": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "1602", "Subsection": "b", "Paragraph": "1" }, "r7": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "1602", "Subsection": "b", "Paragraph": "2" }, "r8": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "1602", "Subsection": "b", "Paragraph": "3" }, "r9": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "1602", "Subsection": "b", "Paragraph": "4" }, "r10": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "1602", "Subsection": "b", "Paragraph": "6" }, "r11": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "1602", "Subsection": "b", "Paragraph": "7" }, "r12": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "1602", "Subsection": "c" }, "r13": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "1603" }, "r14": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "1603", "Subsection": "a" }, "r15": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "1603", "Subsection": "a", "Paragraph": "1" }, "r16": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "1603", "Subsection": "a", "Paragraph": "2" }, "r17": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "1603", "Subsection": "a", "Paragraph": "3" }, "r18": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "1603", "Subsection": "a", "Paragraph": "6" }, "r19": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "1603", "Subsection": "a", "Paragraph": "7" }, "r20": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "1603", "Subsection": "a", "Paragraph": "9" }, "r21": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "1603", "Subsection": "b" }, "r22": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "1603", "Subsection": "c" }, "r23": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "1604", "Subsection": "a", "Paragraph": "3" }, "r24": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "1604", "Subsection": "c" }, "r25": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Securities Act", "Number": "7A", "Section": "B", "Subsection": "2" } } }