{"cik":33533,"taxonomy":"us-gaap","tag":"DeferredIncomeTaxAssetsNet","label":"Deferred Income Tax Assets, Net","description":"Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, with jurisdictional netting.","entityName":"ESPEY MFG. & ELECTRONICS CORP.","units":{"USD":[{"end":"2025-06-30","val":1202019,"accn":"0001174947-26-000891","fy":2026,"fp":"FY","form":"10-K","filed":"2026-09-23","frame":"CY2025Q2I"},{"end":"2026-06-30","val":1338858,"accn":"0001174947-26-000891","fy":2026,"fp":"FY","form":"10-K","filed":"2026-09-23","frame":"CY2026Q2I"}]}}