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Stockholders’ Equity (Details)
3 Months Ended 6 Months Ended
Sep. 01, 2020
shares
Mar. 31, 2021
vote
$ / shares
shares
Dec. 31, 2020
$ / shares
shares
Dec. 31, 2019
$ / shares
shares
Aug. 02, 2019
$ / shares
shares
Dec. 31, 2018
shares
Mar. 01, 2018
$ / shares
shares
Stockholders’ Equity (Details) [Line Items]              
Common stock, authorized (in shares)     15,000,000 15,000,000      
Common stock, par value (in dollars per share) | $ / shares     $ 0.00001        
Common stock, share outstanding     105,429 0      
Common stock, issued (in shares)     105,429 0      
CM Life Sciences, Inc.              
Stockholders’ Equity (Details) [Line Items]              
Preferred stock, shares authorized   1,000,000 1,000,000        
Preferred stock, par value (in Dollars per share) | $ / shares   $ 0.0001 $ 0.0001        
Preferred stock, shares issued   0 0        
Preferred stock, shares outstanding   0 0        
Class A common stock subject to possible redemption     35,321,987        
Class A common stock              
Stockholders’ Equity (Details) [Line Items]              
Common stock, authorized (in shares)   2,500,000 2,500,000 2,500,000 2,500,000   1,942,500
Common stock, par value (in dollars per share) | $ / shares   $ 0.00001 $ 0.00001 $ 0.00001 $ 0.00001   $ 0.00001
Common stock, share outstanding   1 1 1   1  
Common stock, issued (in shares)   1 1 1   1  
Class A common stock | CM Life Sciences, Inc.              
Stockholders’ Equity (Details) [Line Items]              
Common stock, authorized (in shares)   380,000,000 380,000,000        
Common stock, par value (in dollars per share) | $ / shares   $ 0.0001 $ 0.0001        
Common stock, share outstanding   14,800,205 8,953,013        
Common stock, issued (in shares)   14,800,205 8,953,013        
Common stock subject to possible redemption   29,474,795 35,321,987        
Percentage of converted share   20.00% 20.00%        
Vote per share | vote   1          
Conversion ratio   1          
Class B common stock              
Stockholders’ Equity (Details) [Line Items]              
Common stock, authorized (in shares)   15,000,000 15,000,000   15,000,000   5,750,000
Common stock, par value (in dollars per share) | $ / shares   $ 0.00001 $ 0.00001   $ 0.00001   $ 0.00001
Common stock, share outstanding   604,649 105,429 0   0  
Common stock, issued (in shares)   604,649 105,429 0   0  
Class B common stock | CM Life Sciences, Inc.              
Stockholders’ Equity (Details) [Line Items]              
Common stock, authorized (in shares)   20,000,000 20,000,000        
Common stock, par value (in dollars per share) | $ / shares   $ 0.0001 $ 0.0001        
Common stock, share outstanding   11,068,750 11,068,750        
Common stock, issued (in shares)   11,068,750 11,068,750        
Vote per share | vote   1          
Conversion ratio 1.1            
Founders Shares | Minimum              
Stockholders’ Equity (Details) [Line Items]              
Conversion ratio   1          
Founders Shares | CM Life Sciences, Inc.              
Stockholders’ Equity (Details) [Line Items]              
Common stock, share outstanding 11,068,750