{"cik":2094256,"taxonomy":"us-gaap","tag":"EarningsPerShareBasic","label":"Earnings Per Share, Basic","description":"The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.","entityName":"Beacon Topco, Inc.","units":{"USD/shares":[{"start":"2026-01-01","end":"2026-06-30","val":0,"accn":"0001104659-26-083545","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-07-14"},{"start":"2026-04-01","end":"2026-06-30","val":0,"accn":"0001104659-26-083545","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-07-14","frame":"CY2026Q2"}]}}