Preferred stock (Tables)
 12 Months Ended
Dec. 31, 2020
Temporary Equity Disclosure [Abstract]  
Schedule of Preferred Stock As of each balance sheet date, preferred stock consisted of the following ($ in millions, except for share amounts):
As of December 31, 2020 and 2019, after recapitalization
Preferred
Stock
Authorized (1)
Preferred
Stock Issued
and
Outstanding (1)
Carrying ValueLiquidation
Preference
Common Stock Issuable
Upon Conversion (1)
Series A Preferred stock
10,907,993 10,907,993 $5.5 $5.5 10,907,993 
Series A-1 Preferred stock
14,888,608 14,888,608 7.4 30.0 14,888,608 
Series B Preferred stock
21,381,446 21,381,446 35.0 35.0 21,381,446 
Series C Preferred stock
39,431,582 39,431,582 160.2 160.2 39,431,582 
Series D Preferred stock
68,777,396 52,834,717 239.6 239.6 52,834,717 
155,387,025 139,444,346 447.7 470.3 139,444,346 
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(1)Amounts in the above table have been adjusted to reflect the exchange of Legacy Clover’s common stock at an exchange ratio of approximately 2.0681 in January 2021 as a result of the application of reverse capitalization. See Note 3 (Reverse Capitalization) for details.