{"cik":1818383,"taxonomy":"us-gaap","tag":"CommonStockSharesOutstanding","label":"Common Stock, Shares, Outstanding","description":"Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.","entityName":"MediaAlpha, Inc.","units":{"shares":[{"end":"2020-09-30","val":0,"accn":"0001564590-20-056876","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-12-11","frame":"CY2020Q3I"}]}}