Credit Facilities and Convertible Notes - Schedule of Interest, Carrying Value, and Fair Value (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024	Dec. 08, 2023
Line of Credit Facility [Line Items]
Unamortized deferred financing costs	$ 3,826		$ 4,145
MSG Networks, LV Sphere, 3.5% Senior Notes
Line of Credit Facility [Line Items]
Interest Payments	24,816	$ 23,508
Loan Principal Repayments	25,000	20,625
Total long-term debt, carrying value	1,332,632		1,357,280
Total long-term debt, fair value	803,311		962,667
MSG Networks Term Loan | Debt
Line of Credit Facility [Line Items]
Carrying Value	804,125		829,125
Fair Value	221,134		335,796
MSG Networks Term Loan | MSG Networks
Line of Credit Facility [Line Items]
Interest Payments	18,559	16,762
Loan Principal Repayments	$ 25,000	20,625
LV Sphere Term Loan Facility
Line of Credit Facility [Line Items]
Interest rate	8.80%
LV Sphere Term Loan Facility | Debt
Line of Credit Facility [Line Items]
Carrying Value	$ 275,000		275,000
Fair Value	270,875		273,625
LV Sphere Term Loan Facility | LV Sphere Term Loan Facility
Line of Credit Facility [Line Items]
Interest Payments	6,257	6,746
Loan Principal Repayments	$ 0	$ 0
3.50% Convertible Senior Notes | Convertible Debt
Line of Credit Facility [Line Items]
Interest rate	3.50%			3.50%
3.50% Convertible Senior Notes | Debt
Line of Credit Facility [Line Items]
Carrying Value	$ 253,507		253,155
Fair Value	$ 311,302		$ 353,246