{"cik":2033535,"taxonomy":"us-gaap","tag":"CommonStockSharesOutstanding","label":"Common Stock, Shares, Outstanding","description":"Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.","entityName":"COSTAMARE BULKERS HOLDINGS LIMITED","units":{"shares":[{"end":"2024-12-31","val":10000,"accn":"0001140361-26-011994","fy":2025,"fp":"FY","form":"20-F","filed":"2026-03-30","frame":"CY2024Q4I"},{"end":"2025-12-31","val":24180472,"accn":"0001140361-26-011994","fy":2025,"fp":"FY","form":"20-F","filed":"2026-03-30","frame":"CY2025Q4I"}]}}