{"cik":1943421,"taxonomy":"us-gaap","tag":"PreferredStockParOrStatedValuePerShare","label":"Preferred Stock, Par or Stated Value Per Share","description":"Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.","entityName":"Rubico Inc.","units":{"USD/shares":[{"end":"2025-12-31","val":0.01,"accn":"0001140361-26-010621","fy":2025,"fp":"FY","form":"20-F","filed":"2026-03-23","frame":"CY2025Q4I"}]}}