XML 98 R84.htm IDEA: XBRL DOCUMENT v3.24.0.1
Stock-Based Compensation - Narrative (Details) - USD ($)
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares authorized (in shares) 1,000,000    
Stock-based compensation expense $ 4,139,000 $ 6,732,000 $ 2,859,000
Restricted Stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period 3 years    
Granted (in shares) 57,837 64,151 53,906
Granted in period, weighted average fair value (in dollars per share) $ 44.61 $ 39.30 $ 41.55
Amortization of restricted stock bonus $ 2,200,000 $ 2,400,000 $ 1,800,000
Unrecognized compensation expense $ 1,500,000    
Unrecognized compensation expense, period for recognition 11 months 26 days    
Fair value of shares vested $ 1,300,000 $ 1,100,000 $ 1,200,000
Performance-based Restricted Stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period 3 years    
Granted (in shares) 51,453    
Granted in period, weighted average fair value (in dollars per share) $ 48.19    
Percentage of shares vested 86.70% 52.90%  
Shares issued (in shares) 26,499 18,021  
Performance-based Restricted Stock | Minimum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Percentage of target opportunity for awards to vest 0.00%    
Performance-based Restricted Stock | Maximum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Percentage of target opportunity for awards to vest 150.00%    
Stock Appreciation Rights (SARs)      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unrecognized compensation expense $ 0    
Non-option equity instruments, granted (in shares) 0    
Stock-based compensation expense $ 0    
Shares exercised, intrinsic value $ 508,000 $ 2,200,000  
Average remaining contractual terms 29 days 8 months 23 days  
Aggregate intrinsic value $ 0 $ 192,000