{"cik":720515,"taxonomy":"us-gaap","tag":"OperatingLeasePayments","label":"Operating Lease, Payments","description":"Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.","entityName":"BASIN ELECTRIC POWER COOPERATIVE","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":22306000,"accn":"0001628280-26-044203","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-06-18","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":27688000,"accn":"0000720515-26-000015","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-08-11"},{"start":"2026-01-01","end":"2026-03-31","val":9986000,"accn":"0001628280-26-044203","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-06-18","frame":"CY2026Q1"},{"start":"2026-01-01","end":"2026-06-30","val":8301000,"accn":"0000720515-26-000015","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-08-11"}]}}