Annual report pursuant to Section 13 and 15(d)

RELATED PARTY TRANSACTIONS - Founder Shares and Private Placement Warrants (Details)

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RELATED PARTY TRANSACTIONS - Founder Shares and Private Placement Warrants (Details)
 1 Months Ended 12 Months Ended
Apr. 08, 2019
USD ($)
$ / shares
shares
Mar. 31, 2019
USD ($)
shares
Dec. 31, 2018
USD ($)
$ / shares
shares
Dec. 31, 2020
item
$ / shares
Dec. 31, 2019
$ / shares
Apr. 05, 2019
shares
Related Party Transactions            
Common stock, par value (in dollars per share) | $ / shares $ 0.0001     $ 0.0001 $ 0.0001  
Founder Shares were no longer subject to forfeiture | shares           937,500
Minimum price per share of ordinary shares as condition to sell founder shares | $ / shares       $ 12.00    
Number of trading days within 30-trading day | item       20    
Period within which the 20 trading days at minimum price of ordinary shares       30 days    
Period after business combination when founder shares can be sold       150 days    
Exercise price of warrant (in dollars per share) | $ / shares       $ 1.00    
Percentage of Founder Shares held by the Sponsor that will be vested and wholly owned by the Sponsor as of the closing of the Proposed Business Combination       40.00%    
Percentage of Founder Shares held by the Sponsor subject to vesting and forfeiture       60.00%    
Replay Sponsor, LLC            
Related Party Transactions            
Issuance of ordinary shares to Sponsor (in shares) | shares     7,187,500      
Common stock, par value (in dollars per share) | $ / shares     $ 0.0001      
Aggregate gross proceeds | $     $ 25,000      
Maximum Shares Subject to Forfeiture | shares     937,500      
Forfeiture adjusted percentage to issued and outstanding shares     20.00%      
Independent director            
Related Party Transactions            
Shares transferred (in shares) | shares   90,000        
Aggregate gross proceeds | $   $ 313.00        
Private Placement Warrants            
Related Party Transactions            
Period after business combination when warrants shares can be sold       30 days    
Private Placement Warrants | Replay Sponsor, LLC | Private Placement            
Related Party Transactions            
Warrants sold (in shares) | shares 7,750,000          
Price per share | $ / shares $ 1.00          
Proceeds from Issuance of Warrants | $ $ 7,750,000          
Number of ordinary shares a warrant is exercisable for | shares 1          
Exercise price of warrant (in dollars per share) | $ / shares $ 11.50