Quarterly report pursuant to Section 13 or 15(d)

Stock Compensation (Narrative) (Details)

v3.21.2
Stock Compensation (Narrative) (Details)
$ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended
Apr. 05, 2021
USD ($)
Apr. 30, 2021
USD ($)
shares
Sep. 30, 2021
USD ($)
shares
Sep. 30, 2020
USD ($)
Sep. 30, 2021
USD ($)
item
shares
Sep. 30, 2020
USD ($)
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 | $     $ 478 $ 442 $ 3,680 $ 4,102  
Stock Options and Restricted Stock Units [Member] | President and CEO [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Compensation expense | $       1,700   1,700  
Stock Options [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Compensation expense | $     $ 100 100 $ 500 300  
Expiration period         10 years    
Options exercised         14,478    
Options forfeited         0    
Options outstanding     185,216   185,216   171,694
Stock units granted         28,000    
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]              
Vesting period         5 years    
Compensation expense | $     $ 1,900 2,200 $ 5,100 $ 3,500  
Stock units granted         74,435    
Stock units vested         57,063    
Stock units forfeited         17,110    
Common shares withheld upon vesting         23,935 28,877  
Issuance of common stock in connection with share-based compensation, shares         33,128 41,699  
Awards outstanding     121,770   121,770   121,508
Restricted Stock Units (RSUs) [Member] | President and CEO [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Stock units granted         41,186    
Restricted Stock Units (RSUs) [Member] | Chief Financial Officer [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Stock units granted         10,955    
Restricted Stock Units (RSUs) [Member] | Divisional Vice Presidents [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Stock units granted         16,970    
Restricted Stock Units (RSUs) Grant 1 [Member] | Year One [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Vesting percentage         20.00%    
Restricted Stock Units (RSUs) Grant 1 [Member] | Year Two [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Vesting percentage         20.00%    
Restricted Stock Units (RSUs) Grant 1 [Member] | Year Three [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Vesting percentage         20.00%    
Restricted Stock Units (RSUs) Grant 1 [Member] | Year Four [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Vesting percentage         20.00%    
Restricted Stock Units (RSUs) Grant 1 [Member] | Year Five [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Vesting percentage         20.00%    
Restricted Stock Units (RSUs) Grant 2 [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Vesting period         3 years    
Restricted Stock Units (RSUs) Grant 2 [Member] | Year One [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Vesting percentage         33.00%    
Restricted Stock Units (RSUs) Grant 2 [Member] | Year Two [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Vesting percentage         33.00%    
Restricted Stock Units (RSUs) Grant 2 [Member] | Year Three [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Vesting percentage         33.00%    
CEO Sign-On Award [Member] | Restricted Stock Units (RSUs) [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Grant date fair value | $ $ 3,700            
Vesting period 5 years            
Retention Award [Member] | Restricted Stock Units (RSUs) [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Grant date fair value | $ $ 2,900            
Vesting period 5 years            
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 | $     $ 300 $ 200 $ 800 $ 600  
Issuance of common stock in connection with share-based compensation, shares   10,000     1,000 0  
Aggregate fair value of the shares issued | $   $ 1,600          
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 share-based compensation, shares         10,000