XML 141 R131.htm IDEA: XBRL DOCUMENT v3.24.0.1

Redeemable Non-controlling Interest - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Redeemable Noncontrolling Interest [Line Items]
Annual dividend recognized to redeemable non-controlling shareholders	$ 11.5
Adtran Networks [Member]
Redeemable Noncontrolling Interest [Line Items]
Equity ownership percentage	34.70%	34.70%

X

- 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

X

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481687/323-10-50-3

+ Details

Name:	us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_RedeemableNoncontrollingInterestLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=adtn_AdtranNetworksSeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: