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Credit Facilities and Convertible Notes - Delayed Draw Term Loan Facility - Narrative (Details) - USD ($) shares in Thousands, $ in Thousands |  |  |  | 12 Months Ended
--- | --- | --- | --- | ---
Aug. 09, 2023 | Jul. 14, 2023 | Apr. 20, 2023 | Jun. 30, 2024
Line of Credit Facility [Line Items] |  |  |  |
Equity securities, FV-NI, shares disposed (in shares) |  |  |  | 1,923
Madison Square Garden Entertainment |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Equity securities, FV-NI, shares disposed (in shares) | 1,923 |  |  |
DDTL Facility | Line of Credit | Secured Debt |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Loans receivable, maximum borrowing amount |  |  | $ 65,000 |
Proceeds from long-term lines of credit |  | $ 65 |  |
DDTL Facility | Line of Credit | Sphere | Secured Debt | MSG Entertainment Holdings |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Loans receivable, maximum borrowing amount |  |  | $ 65 |
DDTL Facility | Unsecured Debt |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Debt instrument, term |  |  | 18 months |

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