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Share-Based Compensation (Narrative) (Details) - USD ($)
$ in Thousands
 12 Months Ended
May 11, 2017
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
May 05, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based compensation expense   $ 6,316 $ 4,288 $ 5,188  
Number of stock options exercised   0      
Total unrecognized compensation cost related to non-vested RSUs   $ 6,661      
Amount related to shares used for tax withholding obligations   $ 560 $ 2,185    
Annual retainer per non-employee director, percentage paid in cash   50.00%      
Annual retainer per non-employee director, percentage paid in common stock   50.00%      
Shares of common stock received by employee directors   56,000 106,000 50,000  
Restricted Stock Units (RSUs) [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting rights   RSUs primarily vest in equal portions over the three year vesting period.      
Vesting period   3 years      
Total unrecognized compensation cost, weighted-average period of recognition   1 year 10 months 24 days      
Non Qualified Stock Options (NQSO) [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting rights   The option awards generally vest in three equal annual installments commencing on the first anniversary of the grant date      
Exercise period   10 years      
Awards granted in period   0 0 0  
Aggregate intrinsic value of stock options exercised     $ 212 $ 1,351  
Employees and Directors [Member] | 2017 Long-Term Incentive Plan [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based compensation arrangement by share-based payment award, number of shares available for grant 3,300,000       1,500,000
Employees and Directors [Member] | 2007 Long-Term Incentive Plan [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Underlying equity awards issued 1,700,000        
Non-Employee Directors [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Annual retainer per non-employee director   $ 160      
Chairman of the Board [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Additional annual retainer paid to non-employee director   $ 100      
Additional percentage of annual retainer paid to non-employee director in common stock   100.00%