v3.26.1
Segment Information - Schedule of Segment Reporting Information by Segment (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Segment Reporting [Line Items]        
Revenues [1] $ 313,639 $ 282,677 $ 700,051 $ 563,251
Operating expenses:        
Event-related expenses 84,180 68,349 178,606 130,846
Rights fee expense 48,541 39,303 99,187 106,449
Network programming and production costs 14,792 15,664 34,567 36,305
Other direct operating expenses 3,550 8,002 8,350 16,041
Overhead expenses 139,207 113,023 260,910 227,292
Other segment expenses 84,631 88,495 172,491 175,086
Operating loss (61,262) (50,159) (54,060) (128,768)
Other income (expense):        
Gain (loss) on extinguishment of debt 0 346,092 (2,071) 346,092
Interest income 4,786 4,084 8,737 7,962
Interest expense (8,273) (25,862) (16,312) (52,068)
Other expense, net (504) (400) (1,928) (1,740)
(Loss) income from continuing operations before income taxes (65,253) 273,755 (65,634) 171,478
Share-based compensation expense 17,722 18,850 31,632 40,445
Depreciation and amortization 84,308 83,907 168,675 168,136
Restructuring charges 323 947 3,737 2,788
Impairment and other losses, net 0 3,641 79 4,162
Merger, debt work-out, and acquisition-related costs, including merger-related litigation expenses, net of insurance recoveries 8,206 2,482 8,293 7,273
Amortization for capitalized cloud computing arrangement costs 1,399 1,579 2,316 3,158
Remeasurement of deferred compensation plan liabilities 228 219 228 240
Adjusted operating income 50,924 61,466 160,900 97,434
Sphere | Operating segments        
Segment Reporting [Line Items]        
Revenues 226,353 175,587 492,318 333,132
Operating expenses:        
Event-related expenses 84,180 68,349 178,606 130,846
Rights fee expense 0 0 0 0
Network programming and production costs 0 0 0 0
Other direct operating expenses 3,550 8,002 8,350 16,041
Overhead expenses 125,590 96,389 232,186 192,793
Other segment expenses 82,609 86,295 167,635 170,662
Operating loss (69,576) (83,448) (94,459) (177,210)
Other income (expense):        
Share-based compensation expense 17,043 17,953 30,186 37,907
Depreciation and amortization 82,286 81,707 164,560 163,712
Restructuring charges 323 947 2,996 2,788
Impairment and other losses, net   3,641 79 4,162
Merger, debt work-out, and acquisition-related costs, including merger-related litigation expenses, net of insurance recoveries 8,206 2,351 8,293 3,339
Amortization for capitalized cloud computing arrangement costs 1,399 1,579 2,316 3,158
Remeasurement of deferred compensation plan liabilities 228 219 228 240
Adjusted operating income 39,909 24,949 114,199 38,096
MSG Networks | Operating segments        
Segment Reporting [Line Items]        
Revenues 87,286 107,090 207,733 230,119
Operating expenses:        
Event-related expenses 0 0 0 0
Rights fee expense 48,541 39,303 99,187 106,449
Network programming and production costs 14,792 15,664 34,567 36,305
Other direct operating expenses 0 0 0 0
Overhead expenses 13,617 16,634 28,724 34,499
Other segment expenses 2,022 2,200 4,856 4,424
Operating loss 8,314 33,289 40,399 48,442
Other income (expense):        
Share-based compensation expense 679 897 1,446 2,538
Depreciation and amortization 2,022 2,200 4,115 4,424
Restructuring charges 0 0 741 0
Impairment and other losses, net   0 0 0
Merger, debt work-out, and acquisition-related costs, including merger-related litigation expenses, net of insurance recoveries 0 131 0 3,934
Amortization for capitalized cloud computing arrangement costs 0 0 0 0
Remeasurement of deferred compensation plan liabilities 0 0 0 0
Adjusted operating income $ 11,015 $ 36,517 $ 46,701 $ 59,338
[1] See Note 14. Related Party Transactions, for further information on related party revenues and expenses.