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Business Combination - Additional Information (Details)
12 Months Ended
Aug. 11, 2021
USD ($)
$ / shares
shares
Aug. 10, 2021
USD ($)
shares
Dec. 31, 2021
shares
Dec. 31, 2020
Business Acquisition [Line Items]        
Shares issued in exchange for Unvested restricted stock awards and unexercised stock options | shares   6,406,197    
Merger Exchange Ratio   0.34 0.34 0.34
PIPE Financing [Member]        
Business Acquisition [Line Items]        
Number of units issued in transaction (in Shares) | shares 18,610,000   533,500  
Price per share (in Dollars per share) | $ / shares $ 10.00      
Gross proceeds | $ $ 186,100,000      
Merger Agreement [Member]        
Business Acquisition [Line Items]        
Acquisition date   Aug. 10, 2021    
Number of units issued in transaction (in Shares) | shares   55,000,000    
Tango Therapeutics, Inc [Member]        
Business Acquisition [Line Items]        
Outstanding common shares | shares   48,593,803    
BCTG Acquisition Corp [Member]        
Business Acquisition [Line Items]        
Gross proceeds | $ $ 326,300,000      
Goodwill | $   $ 0    
Intangible assets | $   $ 0