Quarterly report pursuant to Section 13 or 15(d)

Stock Incentive Plans - Narrative (Details)

v3.21.2
Stock Incentive Plans - Narrative (Details)
shares in Thousands, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
USD ($)
contribution
shares
Sep. 30, 2020
USD ($)
Sep. 30, 2021
USD ($)
contribution
shares
Sep. 30, 2020
USD ($)
May 31, 2016
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of shares authorized (in shares) | shares         2,000
Shares available for grant (in shares) | shares 799   799    
Share-based compensation expense     $ 8,179 $ 7,852  
Stock Options | Continuing Operations          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Unrecognized share-based compensation, net of estimated forfeitures $ 800   $ 800    
Weighted average period over which unrecognized compensation will be recognized (years)     2 years    
Restricted Stock          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting period (in years)     3 years    
Restricted Stock | Continuing Operations          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Unrecognized share-based compensation, net of estimated forfeitures 9,495   $ 9,495    
Weighted average period over which unrecognized compensation will be recognized (years)     2 years    
Restricted Stock | Year One          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting period (in years)     1 year    
Vesting percentage     33.33%    
Restricted Stock | Year Two          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting percentage     33.33%    
Restricted Stock | Year Three          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting percentage     33.33%    
Performance Awards          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Measurement period     3 years    
Performance Awards | Continuing Operations          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Unrecognized share-based compensation, net of estimated forfeitures $ 4,120   $ 4,120    
Weighted average period over which unrecognized compensation will be recognized (years)     2 years    
ESPP          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of shares authorized (in shares) | shares 330   330    
Percentage of shares at market value     90.00%    
Purchase period     6 months    
Number of lump sum contributions | contribution 2   2    
ESPP | Continuing Operations          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based compensation expense     $ 118 30  
Director Restricted Shares          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of shares authorized (in shares) | shares 360   360    
Shares available for grant (in shares) | shares 75   75    
Director Restricted Shares | Continuing Operations          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Unrecognized share-based compensation, net of estimated forfeitures $ 875   $ 875    
Weighted average period over which unrecognized compensation will be recognized (years)     1 year    
Share-based compensation expense $ 318 $ 260 $ 1,046 $ 766