{"cik":2065708,"taxonomy":"us-gaap","tag":"Depreciation","label":"Depreciation","description":"The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.","entityName":"Andersen Group Inc.","units":{"USD":[{"start":"2023-01-01","end":"2023-12-31","val":7100000,"accn":"0001193125-26-128949","fy":2025,"fp":"FY","form":"10-K","filed":"2026-03-27","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":7600000,"accn":"0001193125-26-128949","fy":2025,"fp":"FY","form":"10-K","filed":"2026-03-27","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":1900000,"accn":"0001193125-26-219544","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-12","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-12-31","val":8500000,"accn":"0001193125-26-128949","fy":2025,"fp":"FY","form":"10-K","filed":"2026-03-27","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":2200000,"accn":"0001193125-26-219544","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-12","frame":"CY2026Q1"}]}}