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Intangible Assets - Schedule of Indefinite-Lived Intangible Assets (Details) - USD ($) $ in Thousands | 12 Months Ended
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Mar. 31, 2022 | Mar. 31, 2021
Indefinite-lived Intangible Assets [Roll Forward] |  |
Balance | $ 122,117 |
Acquisitions | 17,800 | $ 15,600
Balance | 151,169 | 122,117
Wireless Licenses |  |
Indefinite-lived Intangible Assets [Roll Forward] |  |
Balance | 122,117 | 111,526
Acquisitions | 17,843 | 15,640
Exchanges - licenses received | 15,341 | 196
Exchanges - licenses surrendered | (4,132) | (262)
Cancellations |  | (4,983)
Balance | $ 151,169 | $ 122,117

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- Definition Indefinitelived Intangible Assets, Exchanged Licenses Received + References No definition available. + Details
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Balance Type: | debit
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- Definition Indefinitelived Intangible Assets, Exchanged Licenses Surrendered + References No definition available. + Details
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- 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 http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- 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
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- Definition Amount of divestiture of an asset lacking physical substance and having a projected indefinite period of benefit to fair value. Excludes financial assets and goodwill. + References No definition available. + Details
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- 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
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Namespace Prefix: | us-gaap_
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Balance Type: | debit
Period Type: | duration

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- Details
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