v3.26.1
Revenue - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Disaggregation of Revenue [Line Items]          
Revenue [1] $ 338,465 $ 348,271 $ 659,337 $ 673,978  
Customer liability revenue recognized during the period 81,000 65,000 83,700 72,200  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-01-01          
Disaggregation of Revenue [Line Items]          
Revenue remaining performance obligation         $ 90,000
Revenue remaining performance obligation expected (in years)         1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-07-01          
Disaggregation of Revenue [Line Items]          
Revenue remaining performance obligation $ 103,800   $ 103,800    
Revenue remaining performance obligation expected (in years) 1 year   1 year    
Paid Content          
Disaggregation of Revenue [Line Items]          
Revenue $ 263,941 274,913 $ 525,379 535,139  
Paid Content | Physical Book Sales Through Platform          
Disaggregation of Revenue [Line Items]          
Revenue 2,600 2,900 5,000 5,500  
IP Adaptations          
Disaggregation of Revenue [Line Items]          
Revenue 27,400 28,138 47,152 53,721  
IP Adaptations | Licensing Agreements          
Disaggregation of Revenue [Line Items]          
Revenue 8,000 2,900 11,000 6,000  
IP Adaptations | Merchandise Sales          
Disaggregation of Revenue [Line Items]          
Revenue $ 1,900 $ 900 $ 3,300 $ 2,000  
[1] Includes amounts earned from related parties of $24,551 and $18,278 for the three months ended June 30, 2026, and June 30, 2025, respectively, and $42,794 and $35,991 for the six months ended June 30, 2026, and June 30, 2025, respectively. (See Note 15. Related Party Transactions)