XML 53 R28.htm IDEA: XBRL DOCUMENT v3.25.0.1

Nature of Operations and Basis of Presentation (Details) circuitMile in Thousands, people in Millions, home in Millions, $ in Millions		1 Months Ended	9 Months Ended
	Oct. 08, 2024 USD ($)	Jun. 30, 2024 USD ($) home people circuitMile county	Dec. 31, 2024 county	Dec. 31, 2023 county
Conversion of Stock [Line Items]
Broadband licenses granted, number of counties | county			20	24
Licensing Agreements | Oncor Electric Delivery Company LLC
Conversion of Stock [Line Items]
Broadband licenses granted estimated consideration		$ 102.5
Broadband licenses granted, number of counties | county		95
Initial consideration received		$ 10.0
Number of transmission and distribution lines | circuitMile		143
Number of homes served | home		4
Population served | people		13
President and Chief Executive Officer
Conversion of Stock [Line Items]
Severance and other related charges	$ 2.2
Pro-rata target bonus	$ 0.2
Subsidized COBRA continuation coverage (in months)	18 months

X

- Definition

Broadband Licenses Granted, Estimated Consideration

+ References

No definition available.

+ Details

Name:	atex_BroadbandLicensesGrantedEstimatedConsideration
Namespace Prefix:	atex_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Broadband Licenses Granted, Initial Consideration Received

+ References

No definition available.

+ Details

Name:	atex_BroadbandLicensesGrantedInitialConsiderationReceived
Namespace Prefix:	atex_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Broadband Licenses Granted, Number of Counties

+ References

No definition available.

+ Details

Name:	atex_BroadbandLicensesGrantedNumberOfCounties
Namespace Prefix:	atex_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Broadband Licenses Granted, Number Of Homes Served

+ References

No definition available.

+ Details

Name:	atex_BroadbandLicensesGrantedNumberOfHomesServed
Namespace Prefix:	atex_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Broadband Licenses Granted, Number Of Transmission And Distribution Lines

+ References

No definition available.

+ Details

Name:	atex_BroadbandLicensesGrantedNumberOfTransmissionAndDistributionLines
Namespace Prefix:	atex_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Broadband Licenses Granted, Population Served

+ References

No definition available.

+ Details

Name:	atex_BroadbandLicensesGrantedPopulationServed
Namespace Prefix:	atex_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Severance Costs, Continued Health Care Coverage

+ References

No definition available.

+ Details

Name:	atex_SeveranceCostsContinuedHealthCareCoverage
Namespace Prefix:	atex_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

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

X

- Definition

The compensation expense recognized during the period pertaining to the deferred compensation arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 710
-SubTopic 10
-Name Accounting Standards Codification
-Section 30
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483043/710-10-30-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-1

+ Details

Name:	us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

+ Details

Name:	us-gaap_SeveranceCosts1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_LicensingAgreementsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CounterpartyNameAxis=atex_OncorElectricDeliveryCompanyLLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_TitleOfIndividualAxis=atex_PresidentAndChiefExecutiveOfficerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: