{"cik":1528356,"taxonomy":"us-gaap","tag":"LongTermDebt","label":"Long-term Debt","description":"Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.","entityName":"Genie Energy Ltd.","units":{"USD":[{"end":"2019-12-31","val":863000,"accn":"0001213900-20-006416","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2019Q4I"}]}}