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Business Combination - Additional Information (Details)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended
Jul. 15, 2022
USD ($)
$ / shares
shares
Aug. 30, 2021
$ / shares
shares
Jun. 30, 2023
USD ($)
$ / shares
shares
Jun. 30, 2022
USD ($)
Jun. 30, 2023
USD ($)
$ / shares
shares
Jun. 30, 2022
USD ($)
Dec. 31, 2022
USD ($)
$ / shares
shares
Aug. 30, 2021
€ / shares
shares
Business Acquisition [Line Items]                
Common stock, par value | $ / shares   $ 0.01 $ 0.01   $ 0.01   $ 0.01  
Common stock, shares outstanding | shares     78,364,000   78,364,000   77,889,000  
Common stock, reserved for future issuance | shares 27,994,595              
Goodwill     $ 388,163   $ 388,163   $ 381,724  
Total Revenue     327,378 $ 172,038 651,290 $ 326,556    
Net Income (Loss)     (33,334) 2,143 (67,798) 1,016    
Net loss attributable to non-controlling interest [1]     (2,881)   (8,870)      
Decrease in goodwill $ 8,700              
Network Solutions [Member]                
Business Acquisition [Line Items]                
Goodwill     303,293   303,293   298,280  
Total Revenue     283,002 155,992 565,420 294,366    
Services & Support [Member]                
Business Acquisition [Line Items]                
Goodwill     84,870   84,870   $ 83,444  
Total Revenue     44,376 16,046 85,870 32,190    
Common Stock [Member]                
Business Acquisition [Line Items]                
Percentage of common stock exchanged   64.00%            
Adtran Networks SE [Member]                
Business Acquisition [Line Items]                
Business combination date of agreement   Aug. 30, 2021            
Common stock, shares outstanding | shares 33,957,538              
Percentage of outstanding bearer shares 65.43% 65.43%            
Fair value of stock options assumed $ 12,800              
Goodwill 350,458   350,500   350,500      
Accounts receivable 114,659              
Other receivables 1,457              
Unpaid principal balance of account receivable 118,500              
Unpaid principal balance of other receivable 1,500              
Fair value of noncontrolling interest $ 316,415              
Total Revenue     186,700   379,000      
Net Income (Loss)     31,700   67,500      
Net loss attributable to non-controlling interest     0   6,000      
Shares held by noncontrolling interest | shares   17,941,496           17,941,496
Closing share price | (per share) $ 20.2 $ 17.64           € 17.58
Currency conversion rate 1.00318              
Adtran Networks SE [Member] | Selling, General and Administrative Expense [Member]                
Business Acquisition [Line Items]                
Transaction costs incurred         26,200      
Transaction costs related to the business combination     $ 100 $ 1,200 $ 100 $ 2,700    
Adtran Networks SE [Member] | Network Solutions [Member]                
Business Acquisition [Line Items]                
Goodwill $ 272,800              
Adtran Networks SE [Member] | Services & Support [Member]                
Business Acquisition [Line Items]                
Goodwill $ 77,700              
Adtran Networks SE [Member] | Common Stock [Member]                
Business Acquisition [Line Items]                
Number of shares issuable for each share of acquired entity | shares   0.8244            
Percentage of common stock exchanged   36.00%            
[1]

(1)For the three and six months ended June 30, 2023, we have recognized $2.9 million and $5.7 million, respectively, representing the recurring cash compensation earned by non-controlling interest shareholders post-DPLTA and an incremental $3.2 million net loss attributable to non-controlling interests pre-DPLTA for the six months ended June 30, 2023.