Credit Facilities - Narrative (Details) - USD ($) $ in Thousands		1 Months Ended
	Jun. 27, 2025	Oct. 31, 2025	Dec. 31, 2025	Jun. 30, 2025
Debt Instrument [Line Items]
Principal			$ 563,672	$ 578,906
Secured Debt
Debt Instrument [Line Items]
Prepayment premium, debt instrument, interest rate, stated percentage			5.00%
Prepayment premium, debt instrument, interest rate per quarter, stated percentage			1.25%
National Properties Facilities \| MSG Entertainment Group, LLC. and MSG National Properties And Subsidiaries \| Debt Instrument, Redemption, Period One \| Measurement Input, Leverage Ratio
Debt Instrument [Line Items]
Debt instrument, measurement input			2.50
National Properties Facilities \| MSG Entertainment Group, LLC. and MSG National Properties And Subsidiaries \| Debt Instrument, Redemption, Period Three \| Measurement Input, Leverage Ratio
Debt Instrument [Line Items]
Debt instrument, measurement input			3.50
National Properties Facilities \| MSG Entertainment Group, LLC. and MSG National Properties And Subsidiaries \| Minimum \| Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Basis spread on variable rate	1.75%
National Properties Facilities \| MSG Entertainment Group, LLC. and MSG National Properties And Subsidiaries \| Minimum \| Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate	0.75%
National Properties Facilities \| MSG Entertainment Group, LLC. and MSG National Properties And Subsidiaries \| Maximum \| Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Basis spread on variable rate	2.50%
National Properties Facilities \| MSG Entertainment Group, LLC. and MSG National Properties And Subsidiaries \| Maximum \| Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate	1.50%
National Properties Revolving Credit Facility \| MSG Entertainment Group, LLC. and MSG National Properties And Subsidiaries
Debt Instrument [Line Items]
Long-term debt, percentage bearing variable interest rate, percentage rate			5.97%
Secured Debt \| National Properties Facilities \| Line of Credit \| MSG Entertainment Group, LLC. and MSG National Properties And Subsidiaries
Debt Instrument [Line Items]
Debt instrument term	5 years
Face amount	$ 609,375
Revolving Credit Facility \| National Properties Facilities \| MSG Entertainment Group, LLC. and MSG National Properties And Subsidiaries \| Minimum
Debt Instrument [Line Items]
Commitment fee percentage	0.20%
Revolving Credit Facility \| National Properties Facilities \| MSG Entertainment Group, LLC. and MSG National Properties And Subsidiaries \| Maximum
Debt Instrument [Line Items]
Commitment fee percentage	0.30%
Revolving Credit Facility \| National Properties Facilities \| Line of Credit \| MSG Entertainment Group, LLC. and MSG National Properties And Subsidiaries
Debt Instrument [Line Items]
Debt instrument term	5 years
Face amount	$ 150,000
Line of credit facility, remaining borrowing capacity			$ 132,573
Revolving Credit Facility \| National Properties Revolving Credit Facility \| Line of Credit \| MSG Entertainment Group, LLC. and MSG National Properties And Subsidiaries
Debt Instrument [Line Items]
Repayments of lines of credit		$ 20,000
Letter of Credit \| National Properties Facilities \| Line of Credit \| MSG Entertainment Group, LLC. and MSG National Properties And Subsidiaries
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	$ 25,000
Principal			$ 17,427

Madison Square Garden Entertainment Corp. 10-Q