Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation Plan (Narrative) (Details)

v3.22.1
Stock-Based Compensation Plan (Narrative) (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended
Mar. 04, 2022
Mar. 31, 2022
Mar. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Maximum number of shares of common stock that may be granted through awards to any employee in any calendar year   500  
Stock options granted fair value   $ 2,967  
Fair value of the restricted stock awards granted $ 10,761    
Unrecognized compensation cost related to unvested stock options   $ 7,904  
Unvested restricted stock awards   1,546  
Unvested stock options   1,701  
Unrecognized compensation cost related to unvested restricted stock awards   $ 13,083  
Total non-cash stock compensation expense   $ 3,367 $ 1,524
Stock Options [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period   3 years  
Stock options, term of expiration   10 years  
Restricted Stock [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period 4 years 1 month 24 days    
2015 Plan [Member] | Stock Options [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of stock options issued under a plan   353 10
2015 Plan [Member] | Restricted Stock [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period per share price qualification $ 50.00    
Number issued 700    
Minimum [Member] | 2015 Plan [Member] | Stock Options [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period   3 years  
Vest over a period of three years [Member] | 2015 Plan [Member] | Stock Options [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of stock options issued under a plan   343  
Vesting Immediately [Member] | 2015 Plan [Member] | Stock Options [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of stock options issued under a plan   10