XML 85 R28.htm IDEA: XBRL DOCUMENT v3.24.3

Nature of Operations and Basis of Presentation (Details) circuitMile in Thousands, people in Millions, home in Millions, $ in Millions	1 Months Ended	6 Months Ended
	Jun. 30, 2024 USD ($) circuitMile people county home	Sep. 30, 2024 county	Sep. 30, 2023 county
Conversion of Stock [Line Items]
Broadband licenses granted, number of counties | county		1	14
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

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

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

- 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: