{"cik":1526243,"taxonomy":"us-gaap","tag":"LesseeOperatingLeaseLiabilityPaymentsDue","label":"Lessee, Operating Lease, Liability, to be Paid","description":"Amount of lessee's undiscounted obligation for lease payment for operating lease.","entityName":"Perpetua Resources Corp.","units":{"USD":[{"end":"2026-03-31","val":3766000,"accn":"0001104659-26-058253","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-11","frame":"CY2026Q1I"},{"end":"2026-06-30","val":3523000,"accn":"0001104659-26-097134","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-08-14","frame":"CY2026Q2I"}]}}