v3.25.4
Loss per Share - Schedule of Reconciliations of Numerators and Denominators Used to Compute Basic and Diluted Earnings Per Share (Detail) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Numerator:      
Net loss $ (68,295) $ (15,070) $ (164,438)
Less: net loss attributable to non-controlling interests (935) (352) (10,359)
Net loss attributable to Funko, Inc. (67,360) (14,718) (154,079)
Net loss attributable to Funko, Inc. — diluted $ (67,360) $ (14,718) $ (154,079)
Denominator:      
Weighted-average shares of Class A common stock outstanding — basic (in shares) 54,386,924 52,043,490 48,332,401
Weighted-average shares of Class A common stock outstanding — diluted (in shares) 54,386,924 52,043,490 48,332,401
Loss per share of Class A common stock — basic (in dollars per share) $ (1.24) $ (0.28) $ (3.19)
Loss per share of Class A common stock — diluted (in dollars per share) $ (1.24) $ (0.28) $ (3.19)