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Stockholders' Equity - Summary of Anti-Dilutive Options Excluded (Details) - $ / shares
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Stockholders' Equity Note [Abstract]        
Options to purchase shares of common stock (in shares) 696,951 895,566 688,058 893,428
Weighted average exercise prices of options (in dollars per share) $ 48.00 $ 38.00 $ 48.00 $ 38.00