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Other Assets and Accrued Liabilities - Narrative (Details) - USD ($) $ in Thousands |  | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Sep. 30, 2022 | Jun. 30, 2022 | Jun. 30, 2021 | Sep. 30, 2020 | Jun. 30, 2022 | Jun. 30, 2021 | Dec. 31, 2021
Business Acquisition [Line Items] |  |  |  |  |  |  |
Restructuring expense |  | $ 454 | $ 43 |  | $ 390 | $ 661 |
Workforce Reduction Program |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Payments for restructuring |  | $ 500 | 600 |  | 1,300 |  |
Workforce Reduction Program | Continuing Operations |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Restructuring expense |  |  | 40 |  |  | 700 |
Workforce Reduction Program | Discontinued Operations |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Restructuring expense |  |  | $ 300 |  |  | $ 500 |
FCC Spectrum Licenses |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Indefinite-lived intangible assets acquired |  |  |  | $ 16,100 | $ 16,100 |  | $ 16,100
FCC Spectrum Licenses | Forecast |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Indefinite-lived intangible assets acquired | $ 12,100 |  |  |  |  |  |
Assets refund | $ 4,000 |  |  |  |  |  |

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