Quarterly report pursuant to Section 13 or 15(d)

Acquisitions - Additional Information (Detail)

v3.22.2.2
Acquisitions - Additional Information (Detail)
$ in Thousands
2 Months Ended 3 Months Ended 4 Months Ended 6 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
Sep. 30, 2022
USD ($)
Sep. 30, 2021
USD ($)
Sep. 30, 2021
USD ($)
shares
Sep. 30, 2022
USD ($)
Sep. 30, 2021
USD ($)
May 25, 2022
USD ($)
Apr. 29, 2022
USD ($)
Mar. 31, 2022
USD ($)
Jul. 31, 2021
€ / shares
Business Acquisition [Line Items]                                    
Change in fair value of contingent consideration                   $ 0 [1] $ (22,087) [1]   $ 0 [2] $ (22,087) [2]        
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                            
Change in fair value of 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%     99.50%          
Goodwill adjustment                             $ (2,572)      
Acquisition costs                   $ 443 8,116   $ 1,003 11,715        
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                    
Change in fair value of contingent consideration                           8,913        
Goodwill adjustment                               $ (3,502)    
Acquisition costs                   $ 64 620   $ 214 3,491        
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   $ 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.
[2] 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.