XML 58 R42.htm IDEA: XBRL DOCUMENT v3.22.4
Stock Based Compensation (Narrative) (Details) - USD ($)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Deferred Compensation Arrangement with Individual, Share-Based Payments [Line Items]        
Deferred stock units outstanding 244,976 177,448    
Stock options exercised intrinsic value $ 0 $ 35,300 $ 500,000  
Unrecognized compensation cost related to unvested option $ 1,600,000      
Weighted average period of recognition 2 years 9 months 18 days      
Weighted average fair value of option granted $ 7.13 $ 13.30 $ 6.20  
Two Thousand And Eleven Plan [Member]        
Deferred Compensation Arrangement with Individual, Share-Based Payments [Line Items]        
Common stock shares authorized for issuance 7,800,000      
Common stock available for future grant 1,500,000      
Two Thousand And Eleven Plan [Member] | Maximum [Member]        
Deferred Compensation Arrangement with Individual, Share-Based Payments [Line Items]        
Share based compensation stock options expiration period 10 years      
Non Employee Director [Member]        
Deferred Compensation Arrangement with Individual, Share-Based Payments [Line Items]        
Deferred percentage of director fees invested in deferred stock units 100.00%      
Shares outstanding 43,139 18,306 34,431  
Weighted average grant date fair values $ 11.01 $ 22.94 $ 11.04  
Vesting period of grants 1 year      
Restricted Shares [Member]        
Deferred Compensation Arrangement with Individual, Share-Based Payments [Line Items]        
Shares outstanding 637,107 630,461 702,135 757,338
Weighted average grant date fair values $ 15.68 $ 15.29 $ 11.36 $ 13.19
Weighted average period of recognition 2 years 3 months 18 days      
Fair value of restricted stock awards released $ 2,900,000 $ 6,800,000 $ 2,000,000.0  
Unrecognized compensation cost related to unvested restricted stock awards $ 4,600,000      
Awards granted 455,598 251,647 416,181  
Forfeited 266,742 95,771 283,877  
Performance-Base Restricted Stock Awards [Member]        
Deferred Compensation Arrangement with Individual, Share-Based Payments [Line Items]        
Awards granted 94,621 47,768    
Grant date fair value of awards $ 1,500,000 $ 1,100,000    
Forfeited 119,884 14,450