v3.26.1
Pension Plans and Other Postretirement Benefit Plan - Narrative (Details)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2026
USD ($)
plan
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
plan
Jun. 30, 2025
USD ($)
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   1      
Defined benefit plan, plan assets, period increase (decrease) $ 262 $ 220 $ 228 $ 240    
Savings Plan            
Defined Contribution Plan Disclosure [Line Items]            
Defined contribution plan, cost 2,676 2,417 4,289 4,012    
Other Pension, Postretirement and Supplemental Plans            
Defined Contribution Plan Disclosure [Line Items]            
Employer contributions $ 130 $ 0 $ 130 $ 0    
MSG Entertainment | Spinoff | MSG Stockholders            
Defined Contribution Plan Disclosure [Line Items]            
Noncontrolling interest, ownership percentage by parent         67.00%