Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation Plans - Narrative (Details)

v3.24.0.1
Stock-Based Compensation Plans - Narrative (Details)
$ / shares in Units, $ in Thousands
1 Months Ended 12 Months Ended
Mar. 31, 2021
$ / shares
shares
Dec. 31, 2023
USD ($)
tranche
$ / shares
shares
Dec. 31, 2022
USD ($)
$ / shares
Dec. 31, 2021
USD ($)
$ / shares
Employee        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Restricted stock awarded (in shares) | shares 27,252      
Granted (in dollars per share) | $ / shares $ 42.23      
Employee Stock        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares authorized (in shares) | shares   500,000    
Employee discount (as a percent)       15.00%
Employee purchase price (as a percent)   12.00%    
Stock-based compensation expense   $ 100    
Stock-settled bonus awards        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting period (in years)   3 years    
Number of tranches | tranche   3    
Vested paid in full (as a percent)   100.00%    
Cost not yet recognized, amount   $ 1,600    
Fair value of awards   $ 1,200 $ 900 $ 900
Weighted average amortization period of compensation not yet recognized (in years)   2 years    
Stock-settled bonus awards | Share-based Payment Arrangement, Tranche One        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting period (in years)   1 year    
Vesting percentage (as a percent)   33.33%    
Stock-settled bonus awards | Share-based Payment Arrangement, Tranche Two        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting percentage (as a percent)   33.33%    
Stock-settled bonus awards | Share-based Payment Arrangement, Tranche Three        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting percentage (as a percent)   33.33%    
Employee Vesting Stock Awards        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting period (in years)   3 years    
Performance share awards        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting period (in years)   3 years    
Vested paid in full (as a percent)   200.00%    
Granted (in dollars per share) | $ / shares   $ 42.23    
Compensation expense not yet recognized   $ 2,600    
Weighted average amortization period of compensation not yet recognized (in years)   1 year 4 months 24 days    
Weighted average fair value of vesting stock awards that vested   $ 1,100    
Performance share awards | Share-based Payment Arrangement, Tranche One        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting percentage (as a percent)   33.33%    
Performance share awards | Share-based Payment Arrangement, Tranche Two        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting percentage (as a percent)   33.33%    
Performance share awards | Share-based Payment Arrangement, Tranche Three        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting percentage (as a percent)   33.33%    
Performance share awards | Minimum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting percentage (as a percent)   0.00%    
Performance share awards | Maximum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting percentage (as a percent)   200.00%    
Time-vested stock awards        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting period (in years)   2 years    
Stock-based compensation expense   $ 3,000    
Granted (in dollars per share) | $ / shares   $ 45.78 $ 43.01 $ 41.90
Fair value of shares vested   $ 1,200 $ 1,700 $ 1,700
Restricted Stock Plan 2006        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares authorized (in shares) | shares   1,875,000    
Shares available for issuance (in shares) | shares   591,337