{"cik":2052568,"taxonomy":"us-gaap","tag":"UnrecognizedTaxBenefits","label":"Unrecognized Tax Benefits","description":"Amount of unrecognized tax benefits.","entityName":"Legence Corp.","units":{"USD":[{"end":"2022-12-31","val":2677000,"accn":"0002052568-26-000008","fy":2025,"fp":"FY","form":"10-K","filed":"2026-03-30","frame":"CY2022Q4I"},{"end":"2023-12-31","val":2677000,"accn":"0002052568-26-000008","fy":2025,"fp":"FY","form":"10-K","filed":"2026-03-30","frame":"CY2023Q4I"},{"end":"2024-12-31","val":10358000,"accn":"0002052568-26-000008","fy":2025,"fp":"FY","form":"10-K","filed":"2026-03-30","frame":"CY2024Q4I"},{"end":"2025-12-31","val":7905000,"accn":"0002052568-26-000008","fy":2025,"fp":"FY","form":"10-K","filed":"2026-03-30","frame":"CY2025Q4I"}]}}