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Document and Entity Information - USD ($)
 12 Months Ended
Dec. 31, 2023
Mar. 11, 2024
Jun. 30, 2023
Cover [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Dec. 31, 2023    
Document Fiscal Year Focus 2023    
Document Fiscal Period Focus FY    
Trading Symbol ADTN    
Entity Registrant Name ADTRAN Holdings, Inc.    
Entity Central Index Key 0000926282    
Current Fiscal Year End Date --12-31    
Entity Well-known Seasoned Issuer No    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Filer Category Large Accelerated Filer    
Entity Shell Company false    
Entity Emerging Growth Company false    
Entity Small Business false    
Document Financial Statement Error Correction [Flag] true    
Document Financial Statement Restatement Recovery Analysis [Flag] true    
ICFR Auditor Attestation Flag true    
Entity Common Stock, Shares Outstanding   79,115,792  
Entity Public Float     $ 816,865,648
Entity Interactive Data Current Yes    
Entity File Number 000-41446    
Entity Tax Identification Number 87-2164282    
Entity Address, Address Line One 901 Explorer Boulevard    
Entity Address, City or Town Huntsville    
Entity Address, State or Province AL    
Entity Address, Postal Zip Code 35806-2807    
City Area Code 256    
Local Phone Number 963-8000    
Entity Incorporation, State or Country Code DE    
Document Annual Report true    
Document Transition Report false    
Title of 12(b) Security Common Stock, Par Value $0.01    
Security Exchange Name NASDAQ    
Documents Incorporated by Reference

DOCUMENTS INCORPORATED BY REFERENCE

Portions of the Proxy Statement for the registrant's 2024 Annual Meeting of Stockholders are incorporated herein by reference into Part III of this report to the extent described in Part III.

    
Auditor Name PricewaterhouseCoopers LLP;    
Auditor Firm ID 238    
Auditor Location Birmingham, Alabama