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BALANCE SHEET (Parenthetical) - $ / shares
Sep. 30, 2021
Jan. 14, 2021
Dec. 31, 2020
Oct. 31, 2020
Dec. 31, 2019
Class B Common Stock          
Common stock, par value $ 0.0001   $ 0.0001   $ 0.0001
Common shares, shares authorized 500,000,000   500,000,000   500,000,000
Common shares, shares issued 27,391,338   34,362,554   34,152,328
Common shares, shares outstanding 27,143,111   34,114,327   33,904,101
Class F Common Stock | 890 5TH AVENUE PARTNERS, INC.          
Common stock, par value $ 0.0001   $ 0.0001    
Common shares, shares authorized 25,000,000   25,000,000    
Common shares, shares issued 7,187,500   7,187,500 7,187,500  
Common shares, shares outstanding 7,187,500   7,187,500    
Maximum shares subject to forfeiture   937,500   937,500  
Class F Common Stock | Over-allotment option | 890 5TH AVENUE PARTNERS, INC.          
Maximum shares subject to forfeiture     937,500    
Common stock subject to redemption | Over-allotment option | 890 5TH AVENUE PARTNERS, INC.          
Maximum shares subject to forfeiture     937,500