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Stockholders' Equity - Preferred Stock (Details) - $ / shares
Mar. 31, 2021
Dec. 31, 2020
Equity [Abstract]    
Preferred stock, par value (in USD per share) $ 0.001  
Undesignated preferred stock authorized (in shares) 50,000,000  
Preferred stock liquidation preference per share (in USD per share) $ 0.001  
Preferred stock issued (in shares) 0 0
Preferred stock outstanding (in shares) 0 0