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Revenue Recognition - Additional information (Details)
3 Months Ended
Mar. 31, 2020
USD ($)
item
Mar. 31, 2019
USD ($)
Dec. 31, 2019
USD ($)
Disaggregation of Revenue [Line Items]      
Impairment losses from CSSE contracts with customers $ 0 $ 0  
Number of television series and feature films own the copyrights or long-term distribution rights | item 1,000    
Contract Liabilities $ 0   $ 0
Maximum [Member]      
Disaggregation of Revenue [Line Items]      
Payment term 60 days    
Minimum [Member]      
Disaggregation of Revenue [Line Items]      
Payment term 30 days