v3.26.1
Pension Plans and Other Postretirement Benefit Plan - Narrative (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2026
USD ($)
plan
Mar. 31, 2025
USD ($)
Apr. 20, 2023
Apr. 19, 2023
plan
Defined Contribution Plan Disclosure [Line Items]        
Defined benefit plan, number of contributory welfare plans | plan       2
Defined benefit plan, number of sponsored plans | plan 1      
Defined benefit plan, plan assets, period increase (decrease) $ 34 $ 21    
Savings Plan        
Defined Contribution Plan Disclosure [Line Items]        
Defined contribution plan, cost 1,614 1,596    
Other Pension, Postretirement and Supplemental Plans        
Defined Contribution Plan Disclosure [Line Items]        
Employer contributions $ 0 $ 0    
MSG Entertainment | Spinoff | MSG Stockholders        
Defined Contribution Plan Disclosure [Line Items]        
Noncontrolling interest, ownership percentage by parent     67.00%