Quarterly report pursuant to Section 13 or 15(d)

Acquisitions - Additional Information (Detail)

v3.22.2
Acquisitions - Additional Information (Detail)
$ in Thousands
 2 Months Ended 3 Months Ended 4 Months Ended 12 Months Ended
May 19, 2022
shares
Jan. 15, 2022
USD ($)
Oct. 26, 2021
USD ($)
Sep. 30, 2021
USD ($)
shares
Jul. 16, 2021
USD ($)
shares
Jun. 17, 2021
USD ($)
shares
May 25, 2021
USD ($)
shares
Apr. 29, 2021
USD ($)
Sep. 30, 2021
USD ($)
shares
Jun. 30, 2022
USD ($)
Sep. 30, 2021
USD ($)
Jun. 30, 2021
USD ($)
Sep. 30, 2021
USD ($)
shares
May 25, 2022
USD ($)
Apr. 29, 2022
USD ($)
Mar. 31, 2022
USD ($)
Jul. 31, 2021
€ / shares
Business Acquisition [Line Items]                                  
Reduction in estimate of remaining contingent consideration [1]                   $ 0   $ 0          
Payment for contingent consideration liability [1]                   0   0          
Revolving credit facility | Credit Agreement, BoA | Line of credit                                  
Business Acquisition [Line Items]                                  
Proceeds from line of credit   $ 179,000                              
Fyber                                  
Business Acquisition [Line Items]                                  
Percentage of voting interests acquired             95.10%                    
Total consideration             $ 600,000                    
Payment to acquire business             $ 124,336           $ 150,000        
Business acquisition, stock issued (in shares) | shares       18,000 1,040,364 1,500,000 3,216,935   59,289       5,775,299        
Business acquisition, value of stock issued         $ 64,253 $ 92,640 $ 198,678   $ 3,662       $ 359,233        
Contingent consideration, revenue threshold, minimum             100,000                    
Estimated contingent consideration, maximum             $ 50,000                    
Business acquisition, stock reduction (in shares) | shares       41,289                          
Reduction in estimate of remaining contingent consideration                               $ (50,000)  
Settlement of contingent consideration liability (in shares) | shares 1,205,982                                
Additional equity interest purchased                   $ 18,341              
Cumulative voting interest acquired                   99.50%              
Goodwill adjustment                           $ (2,572)      
Acquisition costs                   $ 560   3,599          
Fyber | Plan                                  
Business Acquisition [Line Items]                                  
Business acquisition, stock issued (in shares) | shares                         5,816,588        
Fyber | Minority Fyber Shareholders                                  
Business Acquisition [Line Items]                                  
Business acquisition, per share price (in EUR per share) | € / shares                                 € 0.84
Fyber | Publisher relationships                                  
Business Acquisition [Line Items]                                  
Intangible assets acquired, useful life             20 years                    
Fyber | Developed technology                                  
Business Acquisition [Line Items]                                  
Intangible assets acquired, useful life             7 years                    
Fyber | Trade names                                  
Business Acquisition [Line Items]                                  
Intangible assets acquired, useful life             7 years                    
Fyber | Customer relationships                                  
Business Acquisition [Line Items]                                  
Intangible assets acquired, useful life             3 years                    
AdColony                                  
Business Acquisition [Line Items]                                  
Payment to acquire business     $ 98,175         $ 100,000                  
Estimated contingent consideration, maximum               225,000                  
Reduction in estimate of remaining contingent consideration                     $ 8,913            
Goodwill adjustment                             $ (3,502)    
Acquisition costs                   $ 150   $ 2,871          
Acquisition purchase price liabilities, unpaid cash consideration               $ 100,000                  
Acquisition purchase price liabilities, unpaid cash consideration, payment term               6 months                  
Estimated contingent consideration, minimum               $ 200,000                  
Contingent consideration       $ 204,500         $ 204,500   $ 204,500   $ 204,500        
Payment for contingent consideration liability   $ 204,500                              
AdColony | Publisher relationships                                  
Business Acquisition [Line Items]                                  
Intangible assets acquired, useful life               10 years                  
AdColony | Developed technology                                  
Business Acquisition [Line Items]                                  
Intangible assets acquired, useful life               7 years                  
AdColony | Trade names                                  
Business Acquisition [Line Items]                                  
Intangible assets acquired, useful life               7 years                  
AdColony | Minimum                                  
Business Acquisition [Line Items]                                  
Total consideration               $ 400,000                  
AdColony | Minimum | Customer relationships                                  
Business Acquisition [Line Items]                                  
Intangible assets acquired, useful life               8 years                  
AdColony | Maximum                                  
Business Acquisition [Line Items]                                  
Total consideration               $ 425,000                  
AdColony | Maximum | Customer relationships                                  
Business Acquisition [Line Items]                                  
Intangible assets acquired, useful life               15 years                  
[1] In the fiscal quarter ended June 30, 2021, the Company initiated two significant acquisitions. Please refer to Note 3 in the accompanying condensed consolidated financial statements.