{"cik":1943421,"taxonomy":"us-gaap","tag":"InventoryNet","label":"Inventory, Net","description":"Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.","entityName":"Rubico Inc.","units":{"USD":[{"end":"2024-12-31","val":176000,"accn":"0001140361-26-010621","fy":2025,"fp":"FY","form":"20-F","filed":"2026-03-23","frame":"CY2024Q4I"},{"end":"2025-12-31","val":194000,"accn":"0001140361-26-010621","fy":2025,"fp":"FY","form":"20-F","filed":"2026-03-23","frame":"CY2025Q4I"}]}}