{"cik":1891856,"taxonomy":"us-gaap","tag":"OtherAssetsCurrent","label":"Other Assets, Current","description":"Amount of current assets classified as other.","entityName":"GEN Restaurant Group, Inc.","units":{"USD":[{"end":"2024-12-31","val":1545000,"accn":"0001193125-26-134555","fy":2025,"fp":"FY","form":"10-K","filed":"2026-03-31","frame":"CY2024Q4I"},{"end":"2025-12-31","val":1594000,"accn":"0001193125-26-134555","fy":2025,"fp":"FY","form":"10-K","filed":"2026-03-31"},{"end":"2025-12-31","val":1594000,"accn":"0001193125-26-342538","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-08-10","frame":"CY2025Q4I"},{"end":"2026-06-30","val":1966000,"accn":"0001193125-26-342538","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-08-10","frame":"CY2026Q2I"}]}}