XML 33 R24.htm IDEA: XBRL DOCUMENT v3.21.2
Stockholders' Equity - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Millions
6 Months Ended
Jul. 12, 2021
Jun. 30, 2021
Jun. 30, 2020
Share-based Compensation [Abstract]      
Options vesting and exercisable period, maximum   8 years  
Options termination period   10 years  
Total stock-based compensation expense   $ 2.9 $ 2.9
Total unrecognized stock-based compensation expense   $ 15.3  
Weighted average period over which total unrecognized stock-based compensation expense will be recognized   4 years 3 months 7 days  
Subsequent Event      
Subsequent Event [Line Items]      
Cash dividends declared per share of common stock (in dollars per share) $ 0.28