v3.26.1
Net Income (Loss) per Share (Reconciliation Between Basic and Diluted Weighted Average Shares Outstanding) (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Earnings Per Share [Abstract]    
Net income (loss) attributable to AMC Global Media's stockholders used for basic net income (loss) per share $ (18,870) $ 18,049
Add: Convertible Notes interest expense, net of tax 0 1,146
Net income (loss) attributable to AMC Global Media's stockholders used for diluted net income (loss) per share $ (18,870) $ 19,195
Basic weighted average common shares outstanding (in shares) 43,627 44,821
Effect of dilution:    
Restricted stock units (in shares) 0 509
Convertible Notes (in shares) 0 11,286
Diluted weighted average common shares outstanding (in shares) 43,627 56,616
Net income (loss) per share attributable to AMC Global Media's stockholders:    
Basic (in dollars per share) $ (0.43) $ 0.40
Diluted (in dollars per share) $ (0.43) $ 0.34