Quarterly report pursuant to Section 13 or 15(d)

Stock Compensation (Narrative) (Details)

v3.21.1
Stock Compensation (Narrative) (Details)
$ in Thousands
1 Months Ended 3 Months Ended
Mar. 31, 2020
Mar. 31, 2021
USD ($)
item
shares
Mar. 31, 2020
USD ($)
shares
Dec. 31, 2020
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Cash paid for taxes in lieu of shares upon vesting of RSU's | $   $ 3,197 $ 3,655  
Stock Options [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Expiration period   10 years    
Compensation expense | $   $ 200 100  
Options granted   0    
Options exercised   0    
Options forfeited   0    
Options outstanding   171,694   171,694
Restricted Stock Units (RSUs) Granted Prior To 2016 [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting period   6 years    
Restricted Stock Units (RSUs) Granted Prior To 2016 [Member] | Year Two [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting percentage   20.00%    
Restricted Stock Units (RSUs) Granted Prior To 2016 [Member] | Year Three [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting percentage   20.00%    
Restricted Stock Units (RSUs) Granted Prior To 2016 [Member] | Year Four [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting percentage   20.00%    
Restricted Stock Units (RSUs) Granted Prior To 2016 [Member] | Year Five [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting percentage   20.00%    
Restricted Stock Units (RSUs) Granted Prior To 2016 [Member] | Year Six [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting percentage   20.00%    
Restricted Stock Units (RSUs) [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Compensation expense | $   $ 1,400 $ 700  
Vesting period   5 years    
Stock units granted   6,901    
Stock units vested   49,183    
Stock units forfeited   80    
Common shares withheld upon vesting   20,791 25,326  
Issuance of common stock in connection with stock-based compensation, shares   28,392 36,350  
Awards outstanding   79,146   121,508
Restricted Stock Units (RSUs) [Member] | Year One [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting percentage   20.00%    
Restricted Stock Units (RSUs) [Member] | Year Two [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting percentage   20.00%    
Restricted Stock Units (RSUs) [Member] | Year Three [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting percentage   20.00%    
Restricted Stock Units (RSUs) [Member] | Year Four [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting percentage   20.00%    
Restricted Stock Units (RSUs) [Member] | Year Five [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting percentage   20.00%    
Incentive Program [Member] | Restricted Stock Units (RSUs) [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of annual vesting installments | item   5    
Retirement Plan for Non-Employee Directors [Member] | Restricted Stock Units (RSUs) [Member] | Director [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Compensation expense | $   $ 200 $ 200  
Issuance of common stock in connection with stock-based compensation, shares   1,000    
Minimum [Member] | Incentive Program [Member] | Restricted Stock Units (RSUs) [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Possible target award adjustment based on strategic and operational accomplishments 75.00%      
Maximum [Member] | Incentive Program [Member] | Restricted Stock Units (RSUs) [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Possible target award adjustment based on strategic and operational accomplishments 125.00%      
Maximum [Member] | Retirement Plan for Non-Employee Directors [Member] | Restricted Stock Units (RSUs) [Member] | Director [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Issuance of common stock in connection with stock-based compensation, shares   10,000