v3.26.3
Debt - Knicks and Rangers Revolving Credit Facilities (Narrative) (Details)
 3 Months Ended
Oct. 22, 2026
USD ($)
Jan. 25, 2017
USD ($)
Sep. 30, 2016
USD ($)
Sep. 30, 2026
USD ($)
fiscal_quarter
Sep. 30, 2025
USD ($)
Nov. 06, 2025
USD ($)
Line of Credit Facility [Line Items]            
Additional borrowings       $ 40,000,000 $ 0  
Secured Debt | 2016 Knicks Revolving Credit Facility | Knicks            
Line of Credit Facility [Line Items]            
Maximum borrowing capacity     $ 200,000,000      
Debt instrument, term     5 years      
Secured Debt | Knicks Revolving Credit Facility            
Line of Credit Facility [Line Items]            
Additional borrowings       40,000,000    
Line of credit facility amount outstanding       $ 282,000,000    
Effective interest rate       5.25%    
Interest payments       $ 3,293,000 3,883,000  
Secured Debt | Knicks Revolving Credit Facility | Subsequent Event            
Line of Credit Facility [Line Items]            
Additional borrowings $ 30,000          
Secured Debt | Knicks Revolving Credit Facility | Knicks            
Line of Credit Facility [Line Items]            
Maximum borrowing capacity           $ 425,000,000
Debt instrument collateral       All obligations under the Knicks Revolving Credit Facility are secured by a first lien security interest in certain of Knicks LLC’s assets, including, but not limited to, (i) the Knicks LLC’s membership rights in the NBA, (ii) revenues to be paid to Knicks LLC by the NBA pursuant to certain U.S. national broadcast agreements, and (iii) revenues to be paid to Knicks LLC pursuant to local media contracts.    
Subjective acceleration clause       Knicks LLC is required to make mandatory prepayments in certain circumstances, including without limitation if the maximum available amount under the Knicks Revolving Credit Facility is greater than 350% of qualified revenues.    
Mandatory prepayment clause - qualified revenues reference threshold (as a percent)       350.00%    
Restrictive covenants       The Knicks Revolving Credit Facility contains certain restrictions on the ability of Knicks LLC to take certain actions as provided in (and subject to various exceptions and baskets set forth in) the Knicks Revolving Credit Facility, including the following: (i) incurring additional indebtedness and contingent liabilities; (ii) creating liens on certain assets; (iii) making restricted payments during the continuance of an event of default under the Knicks Revolving Credit Facility; (iv) engaging in sale and leaseback transactions; (v) merging or consolidating; and (vi) taking certain actions that would invalidate the secured lenders’ liens on any Knicks LLC’s collateral.    
Debt service ratio       1.5    
Debt service ratio, terms, number of trailing quarters | fiscal_quarter       4    
Covenant compliance       Knicks LLC was in compliance with this financial covenant.    
Secured Debt | Knicks Revolving Credit Facility | Knicks | Secured Overnight Financing Rate (SOFR)            
Line of Credit Facility [Line Items]            
Credit spread adjustment (as a percent)       0.10%    
Secured Debt | Knicks Revolving Credit Facility | Knicks | Minimum            
Line of Credit Facility [Line Items]            
Commitment fee percentage       0.25%    
Secured Debt | Knicks Revolving Credit Facility | Knicks | Minimum | Base Rate            
Line of Credit Facility [Line Items]            
Basis spread on variable rate (as a percent)       0.25%    
Secured Debt | Knicks Revolving Credit Facility | Knicks | Minimum | Secured Overnight Financing Rate (SOFR)            
Line of Credit Facility [Line Items]            
Basis spread on variable rate (as a percent)       1.25%    
Secured Debt | Knicks Revolving Credit Facility | Knicks | Maximum            
Line of Credit Facility [Line Items]            
Commitment fee percentage       0.30%    
Secured Debt | Knicks Revolving Credit Facility | Knicks | Maximum | Base Rate            
Line of Credit Facility [Line Items]            
Basis spread on variable rate (as a percent)       0.375%    
Secured Debt | Knicks Revolving Credit Facility | Knicks | Maximum | Secured Overnight Financing Rate (SOFR)            
Line of Credit Facility [Line Items]            
Basis spread on variable rate (as a percent)       1.375%    
Secured Debt | 2017 Rangers Revolving Credit Facility | Rangers            
Line of Credit Facility [Line Items]            
Maximum borrowing capacity   $ 150,000,000        
Debt instrument, term   5 years        
Secured Debt | Rangers Revolving Credit Facility | Rangers            
Line of Credit Facility [Line Items]            
Maximum borrowing capacity           $ 250,000,000
Line of credit facility amount outstanding       $ 0    
Interest payments       $ 0 $ 0  
Debt instrument collateral       All obligations under the Rangers Revolving Credit Facility are, subject to the Rangers NHL Advance Agreement (as defined below), secured by a first lien security interest in certain of Rangers LLC’s assets, including, but not limited to, (i) Rangers LLC’s membership rights in the NHL, (ii) revenues to be paid to Rangers LLC by the NHL pursuant to certain U.S. and Canadian national broadcast agreements, and (iii) revenues to be paid to Rangers LLC pursuant to local media contracts.    
Subjective acceleration clause       Rangers LLC is required to make mandatory prepayments in certain circumstances, including without limitation if qualified revenues are less than 17% of the maximum available amount under the 2025 Rangers Credit Agreement.    
Restrictive covenants       The Rangers Revolving Credit Facility contains certain restrictions on the ability of Rangers LLC to take certain actions as provided in (and subject to various exceptions and baskets set forth in) the Rangers Revolving Credit Facility, including the following: (i) incurring additional indebtedness and contingent liabilities; (ii) creating liens on certain assets; (iii) making restricted payments during the continuance of an event of default under the Rangers Revolving Credit Facility; (iv) engaging in sale and leaseback transactions; (v) merging or consolidating; and (vi) taking certain actions that would invalidate the secured lenders’ liens on any of Rangers LLC’s assets securing the obligations under the Rangers Revolving Credit Facility.    
Debt service ratio       1.5    
Debt service ratio, terms, number of trailing quarters | fiscal_quarter       4    
Covenant compliance       Rangers LLC was in compliance with this financial covenant    
Secured Debt | Rangers Revolving Credit Facility | Rangers | Secured Overnight Financing Rate (SOFR)            
Line of Credit Facility [Line Items]            
Credit spread adjustment (as a percent)       0.10%    
Secured Debt | Rangers Revolving Credit Facility | Rangers | Minimum            
Line of Credit Facility [Line Items]            
Commitment fee percentage       0.35%    
Secured Debt | Rangers Revolving Credit Facility | Rangers | Minimum | Base Rate            
Line of Credit Facility [Line Items]            
Basis spread on variable rate (as a percent)       0.375%    
Secured Debt | Rangers Revolving Credit Facility | Rangers | Minimum | Secured Overnight Financing Rate (SOFR)            
Line of Credit Facility [Line Items]            
Basis spread on variable rate (as a percent)       1.375%    
Secured Debt | Rangers Revolving Credit Facility | Rangers | Maximum            
Line of Credit Facility [Line Items]            
Commitment fee percentage       0.40%    
Qualified revenues threshold, percentage of available credit facility       17.00%    
Secured Debt | Rangers Revolving Credit Facility | Rangers | Maximum | Base Rate            
Line of Credit Facility [Line Items]            
Basis spread on variable rate (as a percent)       0.625%    
Secured Debt | Rangers Revolving Credit Facility | Rangers | Maximum | Secured Overnight Financing Rate (SOFR)            
Line of Credit Facility [Line Items]            
Basis spread on variable rate (as a percent)       1.625%