XML 38 R29.htm IDEA: XBRL DOCUMENT v3.21.2
Stockholders' Equity - Summary of Anti-Dilutive Options Excluded (Details) - $ / shares
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Stockholders' Equity Note [Abstract]        
Options to purchase shares of common stock (in shares) 688,410 0 680,227 852,728
Weighted average exercise prices of options (in dollars per share) $ 48.00 $ 0 $ 48.00 $ 38.00