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Redeemable Non-controlling Interest Additional Information (Details) $ in Millions	3 Months Ended
	Mar. 31, 2023 USD ($)
Redeemable Noncontrolling Interest, Equity, Carrying Amount [Abstract]
Annual dividend recognized to redeemable non-controlling shareholders	$ 2.8

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- Definition

Annual Dividend to Redeemable Non-controlling Shareholders

+ References

No definition available.

+ Details

Name:	adtn_AnnualDividendToRedeemableNonControllingShareholders
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