{"cik":1542574,"taxonomy":"us-gaap","tag":"EarningsPerShareBasic","label":"Earnings Per Share, Basic","description":"The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.","entityName":"PROSPER MARKETPLACE, INC.","units":{"USD/shares":[{"start":"2025-01-01","end":"2025-06-30","val":-0.09,"accn":"0001416265-26-000035","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-08-13"},{"start":"2025-04-01","end":"2025-06-30","val":-0.74,"accn":"0001416265-26-000035","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-08-13","frame":"CY2025Q2"},{"start":"2026-01-01","end":"2026-06-30","val":0.21,"accn":"0001416265-26-000035","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-08-13"},{"start":"2026-04-01","end":"2026-06-30","val":0.02,"accn":"0001416265-26-000035","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-08-13","frame":"CY2026Q2"}]}}