v3.26.3
Description of Business and Basis of Presentation (Details)
$ / shares in Units, $ in Thousands
3 Months Ended
Oct. 26, 2026
USD ($)
$ / shares
shares
Sep. 30, 2026
segment
$ / shares
Jun. 30, 2026
$ / shares
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]      
Number of operating segments | segment   1  
Number of reportable segments | segment   1  
Class A Common Stock      
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]      
Common stock, par value (in USD per share)   $ 0.01 $ 0.01
Class B Common Stock      
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]      
Common stock, par value (in USD per share)   $ 0.01 $ 0.01
Spinoff | Subsequent Event | MSG Rangers      
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]      
Cash contribution | $ $ 19,095    
Spinoff | Subsequent Event | MSG Rangers | Class A Common Stock      
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]      
Number of shares received for every one common stock shares held on record date (in shares) | shares 1    
Common stock, par value (in USD per share) $ 0.01    
Spinoff | Subsequent Event | MSG Rangers | Class B Common Stock      
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]      
Number of shares received for every one common stock shares held on record date (in shares) | shares 1    
Common stock, par value (in USD per share) $ 0.01    
MSG Rangers | Spinoff | Subsequent Event | MSG Stockholders      
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]      
Noncontrolling interest, ownership percentage by parent 100.00%