v3.22.2.2
Business Combinations - SpotX Purchase Consideration (Details) - SpotX, Inc - USD ($)
$ in Thousands
Apr. 30, 2021
Feb. 04, 2021
Business Acquisition [Line Items]    
Cash Consideration $ 640,000 $ 560,000
Stock Consideration (Fair Value of Shares of Magnite common stock) 495,591  
Working capital adjustment 65,152  
Total purchase consideration $ 1,200,743 $ 1,200,000