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Subsequent Event (Details)
$ / shares in Units, $ in Thousands
 1 Months Ended
Aug. 09, 2021
USD ($)
$ / shares
shares
Two Thousand Seventeen Equity Incentive Plan | Management and Employees  
Subsequent Event [Line Items]  
Options granted contractual term 5 years
Subsequent Event | MacroGenics  
Subsequent Event [Line Items]  
Issue price per share | $ / shares $ 31.30
Equity Method Investments | $ $ 30,000
Stock Issued During Period, Shares, Acquisitions 958,467
Subsequent Event | Management and Employees  
Subsequent Event [Line Items]  
Number of shares authorized for grant 32,341
Subsequent Event | Management and Employees | Restricted Shares  
Subsequent Event [Line Items]  
Shares vested 0.2
Subsequent Event | Two Thousand Seventeen Equity Incentive Plan | Management and Employees  
Subsequent Event [Line Items]  
Options granted 11,701
Options granted contractual term 10 years
Subsequent Event | Two Thousand Seventeen Equity Incentive Plan | Management and Employees | Minimum  
Subsequent Event [Line Items]  
Exercise price of options | $ / shares $ 144.61
Subsequent Event | Two Thousand Seventeen Equity Incentive Plan | Management and Employees | Maximum  
Subsequent Event [Line Items]  
Exercise price of options | $ / shares $ 178.37
Subsequent Event | Two Thousand Seventeen Equity Incentive Plan | Management and Employees | Vesting anniversary year after the grant date  
Subsequent Event [Line Items]  
Vesting percentage 20.00%