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Summary of Significant Accounting Policies (Details) - USD ($)
3 Months Ended 6 Months Ended 12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Summary of Significant Accounting Policies (Details) [Line Items]            
Valuation allowance     $ 58,264,000 $ 58,264,000 $ 20,082,000  
Effective tax rate 0.00% 0.00%   0.00% 0.00% 0.00%
CM Life Sciences, Inc.            
Summary of Significant Accounting Policies (Details) [Line Items]            
Offering costs     23,690,693      
Deferred income tax asset $ 426,000   40,400 $ 40,400    
Valuation allowance $ 426,000   $ 40,371 $ 40,371    
Effective tax rate 0.00%   (0.00%)      
Private placement to purchase ordinary shares (in Shares) 21,995,000          
Federal depository insurance coverage $ 250,000   $ 250,000      
Operating bank account 627,415          
Working capital deficit 570,566          
Defined contribution plan, cost 25,000          
Certain loans amount 300,000          
Working capital loans 1,500,000          
CM Life Sciences, Inc. | Class A common stock            
Summary of Significant Accounting Policies (Details) [Line Items]            
Private placement to purchase ordinary shares (in Shares)     21,995,000      
Warrant Liability | CM Life Sciences, Inc.            
Summary of Significant Accounting Policies (Details) [Line Items]            
Offering costs 1,204,771          
IPO | CM Life Sciences, Inc.            
Summary of Significant Accounting Policies (Details) [Line Items]            
Offering costs $ 23,690,692          
Offering costs     $ 1,204,771