XML 6 R1.htm IDEA: XBRL DOCUMENT v3.24.3
Document and Entity Information - shares
 9 Months Ended
Sep. 30, 2024
Nov. 01, 2024
Cover [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Sep. 30, 2024  
Document Fiscal Year Focus 2024  
Document Fiscal Period Focus Q3  
Entity Registrant Name ADTRAN Holdings, Inc.  
Trading Symbol ADTN  
Entity Central Index Key 0000926282  
Current Fiscal Year End Date --12-31  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Common Stock, Shares Outstanding   79,248,942
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Shell Company false  
Entity File Number 001-41446  
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 Quarterly Report true  
Document Transition Report false  
Title of 12(b) Security Common Stock, Par Value $0.01 per share  
Security Exchange Name NASDAQ