Redeemable Non-controlling Interest Additional Information (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2023	Sep. 30, 2023
Redeemable Noncontrolling Interest, Equity, Carrying Amount [Abstract]
Annual dividend recognized to redeemable non-controlling shareholders	$ 2.9	$ 8.6

Annual Dividend to Redeemable Non-controlling Shareholders

No definition available.

Name:	adtn_AnnualDividendToRedeemableNonControllingShareholders
Namespace Prefix:	adtn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration