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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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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.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481544/470-10-50-6

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 470
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-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481544/470-10-50-6

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(f))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1

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The cash inflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
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-Section 45
-Paragraph 14
-Subparagraph (b)
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