Goodwill and Intangible Assets - Additional Information (Details) - USD ($) |
3 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Mar. 31, 2026 |
Sep. 30, 2025 |
Mar. 31, 2025 |
Dec. 31, 2025 |
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| Goodwill [Line Items] | ||||
| Impairments | $ 0 | $ 126,600,000 | ||
| Amortization of intangible assets | 1,656,000 | $ 1,600,000 | ||
| Sphere | ||||
| Goodwill [Line Items] | ||||
| Impairments | 0 | $ 0 | 0 | |
| MSG Networks | ||||
| Goodwill [Line Items] | ||||
| Impairments | $ 0 | $ 65,400,000 | $ 126,600,000 | |
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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. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of impairment loss from asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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