XML 60 R43.htm IDEA: XBRL DOCUMENT
v3.23.1

Intangible Assets - Schedule of Indefinite-Lived Intangible Assets (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Indefinite-lived Intangible Assets [Roll Forward] |  |
Beginning balance | $ 151,169 |
Ending balance | 202,044 | $ 151,169
Wireless Licenses |  |
Indefinite-lived Intangible Assets [Roll Forward] |  |
Beginning balance | 151,169 | 122,117
Acquisitions | 12,476 | 17,843
Exchanges - licenses received | 46,174 | 15,341
Exchanges - licenses surrendered | (7,775) | (4,132)
Ending balance | $ 202,044 | $ 151,169

X
- Definition Indefinitelived Intangible Assets, Exchanged Licenses Received + References No definition available. + Details
Name: | atex_IndefinitelivedIntangibleAssetsExchangedLicensesReceived
Namespace Prefix: | atex_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Indefinitelived Intangible Assets, Exchanged Licenses Surrendered + References No definition available. + Details
Name: | atex_IndefinitelivedIntangibleAssetsExchangedLicensesSurrendered
Namespace Prefix: | atex_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
Name: | us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_IndefiniteLivedIntangibleAssetsRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of increase in assets, excluding financial assets and goodwill, lacking physical substance with an indefinite life, from an acquisition. + References No definition available. + Details
Name: | us-gaap_IndefinitelivedIntangibleAssetsAcquired
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: |