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Goodwill and Intangible Assets (Tables) | 3 Months Ended
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Mar. 31, 2026
Goodwill and Intangible Assets Disclosure [Abstract] |
Carrying Amount of Goodwill by Reportable Segment | The carrying amounts of goodwill as of March 31, 2026 were as follows:
|  | Sphere |  | MSG Networks |  | Consolidated
Goodwill |  | $ | 46,864 |  |  | $ | 424,508 |  |  | $ | 471,372 |
Accumulated impairment losses |  | — |  |  | (126,600) |  |  | (126,600) |
Balance at December 31, 2025 |  | $ | 46,864 |  |  | $ | 297,908 |  |  | $ | 344,772 |
Acquisitions |  | — |  |  | — |  |  | — |
Impairments |  | — |  |  | — |  |  | — |
Balance at March 31, 2026 |  | $ | 46,864 |  |  | $ | 297,908 |  |  | $ | 344,772 |
Schedule of Intangible Assets Subject to Amortization | The Company’s intangible assets subject to amortization as of March 31, 2026 and December 31, 2025 were as follows:
|  | As of
|  | March 31, 2026 |  | December 31, 2025
|  | Gross carrying amount |  | Accumulated amortization |  | Intangible assets, net |  | Gross carrying amount |  | Accumulated amortization |  | Intangible assets, net
Affiliate relationships |  | $ | 83,044 |  |  | $ | (73,700) |  |  | $ | 9,344 |  |  | $ | 83,044 |  |  | $ | (72,921) |  |  | $ | 10,123 |
Technology |  | 15,508 |  |  | (5,945) |  |  | 9,563 |  |  | 15,508 |  |  | (5,169) |  |  | 10,339 |
Trade name |  | 2,032 |  |  | (778) |  |  | 1,254 |  |  | 2,032 |  |  | (677) |  |  | 1,355 |
Total |  | $ | 100,584 |  |  | $ | (80,423) |  |  | $ | 20,161 |  |  | $ | 100,584 |  |  | $ | (78,767) |  |  | $ | 21,817 |

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