v3.25.4
Stockholders' Equity - Schedule of Stock Option Activity (Detail) - 2017 Plan - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Funko, Inc. Stock Options    
Outstanding beginning (in shares) 2,971  
Granted (in shares) 524  
Exercised (in shares) (41)  
Forfeited (in shares) (776)  
Outstanding ending (in shares) 2,678 2,971
Options exercisable (in shares) 1,743  
Weighted Average Exercise Price    
Outstanding beginning (in dollars per share) $ 11.82  
Granted (in dollars per share) 6.83  
Exercised (in dollars per share) 5.51  
Forfeited (in dollars per share) 11.26  
Outstanding ending (in dollars per share) 11.10 $ 11.82
Weighted Average Exercise Price, Options exercisable (in dollars per share) $ 13.41  
Aggregate Intrinsic Value, Outstanding $ 10,094  
Aggregate Intrinsic Value, Granted 0  
Aggregate Intrinsic Value, Exercised 69  
Aggregate Intrinsic Value, Forfeited 31  
Aggregate Intrinsic Value, Outstanding 0 $ 10,094
Aggregate Intrinsic Value, Options exercisable $ 0  
Remaining Contractual Life, Outstanding 6 years 8 months 23 days 7 years 3 months 7 days
Remaining Contractual Life, Options exercisable 5 years 8 months 12 days