XML 52 R41.htm IDEA: XBRL DOCUMENT v3.24.3
Stock-Based Compensation - Narrative (Details)
$ in Millions
3 Months Ended 9 Months Ended 45 Months Ended
Sep. 30, 2024
USD ($)
shares
Sep. 30, 2023
USD ($)
Sep. 30, 2024
USD ($)
plan
shares
Sep. 30, 2023
USD ($)
shares
Jun. 30, 2024
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of plans | plan     2    
Stock-based compensation expense | $ $ 1.5 $ 1.4 $ 4.4 $ 5.7  
Restricted shares          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
RSU compensation cost not yet recognized | $ $ 5.8   $ 5.8    
Compensation cost not yet recognized, period of recognition     1 year 7 months 6 days    
Fair value of vested RSUs | $     $ 2.3    
2014 Plan          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock options granted (in shares)     0    
Shares exercised, intrinsic value | $     $ 0.3    
Stock options exercised (in shares)     44,473 0  
2014 Plan | Stock options          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock options granted (in shares)         0
2014 Plan | Minimum | Stock options          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting period     1 year    
2014 Plan | Maximum | Stock options          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting period     4 years    
2021 Plan          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock options granted (in shares)     0    
Stock options exercised (in shares)     0    
2021 Plan | Stock options          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Common stock authorized for issuance (in shares) 639,467   639,467    
2021 Plan | Minimum | Stock options          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting period     1 year    
2021 Plan | Maximum | Stock options          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting period     4 years