XML 102 R68.htm IDEA: XBRL DOCUMENT v3.20.4
Equity Incentive Plans - Summary of Restricted Stock Unit Activity (Details) - $ / shares
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Weighted-Average Grant Date Fair Value per Share      
Weighted-average grant date fair value $ 21.11 $ 6.87 $ 4.15
Restricted Stock Units | 2019 Equity Incentive Plan      
Restricted Stock Units Outstanding      
Restricted Stock Units Outstanding, Nonvested Outstanding, Beginning Balance 4,500    
Restricted Stock Units Outstanding, Granted 50,000    
Restricted Stock Units Outstanding, Vested (4,500)    
Restricted Stock Units Outstanding, Nonvested Outstanding, Ending Balance 50,000 4,500  
Weighted-Average Grant Date Fair Value per Share      
Weighted-Average Grant Date Fair Value per Share, Nonvested Outstanding, Beginning Balance $ 41.63    
Weighted-average grant date fair value 28.10 $ 41.63  
Weighted-Average Grant Date Fair Value per Share, Nonvested Outstanding, Vested 41.63    
Weighted-Average Grant Date Fair Value per Share, Nonvested Outstanding, Ending Balance $ 28.10 $ 41.63