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Goodwill and Intangible Assets - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2020 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Business Acquisition [Line Items] |  |  |  |  |
Amortization expense |  |  | $ 700 | $ 800 | $ 700
Refund received (cash disbursed) for deposit on FCC spectrum leases |  |  | $ 3,996 | 0 | $ (16,118)
Spectrum Purchase Agreements | Disposal Group, Held-for-sale, Not Discontinued Operations |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Indefinite-lived license |  |  |  | 13,800 |
Finite-lived license |  |  |  | 5,900 |
Operating lease liabilities |  |  |  | $ 3,800 |
FCC spectrum licenses |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Indefinite-lived intangible assets acquired | $ 12,100 | $ 16,100 |  |  |

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- Definition Disposal Group, Including Discontinued Operation, Indefinite Lived Intangible Assets + References No definition available. + Details
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- Definition Disposal Group, Including Discontinued Operation, Operating Lease Liabilities + References No definition available. + Details
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- Definition Payments For (Proceeds) For Deposits On Spectrum Leases + References No definition available. + Details
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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 + Details
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- 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
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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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