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Stock-Based Compensation (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation $ (156) $ (415) $ 94 $ 274
Unearned compensation 1,569   $ 1,569  
Restricted Stock [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Remaining requisite service period     22 months  
Time-Vested Stock Options [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Unearned compensation related to options 330   $ 330  
Remaining service period     18 months  
Stock Appreciation Rights (SARs) [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award Vesting Period     3 years  
Award contractual term     10 years  
Estimated fair value $ 470   $ 470  
Options Outstanding (shares) 869,033   869,033  
Certain Employees [Member] | Stock Appreciation Rights (SARs) [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Options granted     1,129,464  
Options forfeited     260,431