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Stockholders' Equity - Summary of Anti-Dilutive Options Excluded (Details) - $ / shares
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Stockholders' Equity Note [Abstract]    
Options to purchase shares of common stock (in shares) 891,290 2,908,710
Weighted average exercise prices of options (in dollars per share) $ 38.00 $ 26.94