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v3.23.2

Redeemable Non-controlling Interest Additional Information (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2023
Redeemable Noncontrolling Interest, Equity, Carrying Amount [Abstract] |  |
Annual dividend recognized to redeemable non-controlling shareholders | $ 2.9 | $ 5.7

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- Definition Annual Dividend to Redeemable Non-controlling Shareholders + References No definition available. + Details
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Namespace Prefix: | adtn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmountAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration