XML 73 R60.htm IDEA: XBRL DOCUMENT v3.24.0.1
Stock Compensation - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Stock compensation    
Weighted-average grant-date fair value (in dollars per share) $ 2.51 $ 3.38
Unrecognized stock-based compensation expense, options $ 6.7  
Stock Options    
Stock compensation    
Stock-based compensation expense 3.8 $ 5.6
Stock based, amount capitalized $ 0.2 0.6
Weighted-average period over which remaining unrecognized compensation cost will be recognized 2 years 3 months 18 days  
RSUs    
Stock compensation    
Stock-based compensation expense $ 6.6 6.6
Stock based, amount capitalized $ 0.4 $ 0.7
Weighted-average period over which remaining unrecognized compensation cost will be recognized 2 years 6 months  
Unrecognized stock-based compensation expense $ 13.2  
PBSOs    
Stock compensation    
Weighted-average grant-date fair value (in dollars per share) $ 1.14 $ 4.36
Stock-based compensation expense $ 0.9 $ 0.8
Unrecognized stock-based compensation expense, options $ 0.5  
Weighted-average period over which remaining unrecognized compensation cost will be recognized 2 months 12 days