XML 47 R36.htm IDEA: XBRL DOCUMENT v3.21.1
Stock-Based Compensation (Narrative) (Details) - Restricted Stock [Member] - USD ($)
$ in Thousands
3 Months Ended
May 01, 2021
May 02, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares available for grant (shares) 350,643  
Unrecognized compensation expense $ 16,933  
Expected weighted average period of unrecognized compensation expense recognition (years) 2 years 3 months 18 days  
Total fair value of shares vested $ 3,091 $ 739
Director Restricted Stock Plan 2008 [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares vested description Shares granted under the 2008 Director Plan vest 25% on the date of grant and then in equal portions on each of the first three anniversaries of the date of grant.  
Vesting period (years) 3 years  
Percentage of shares vesting annually (percent) 25.00%  
Executive Officers [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares available for grant (shares) 269,082  
Performance Based Grant [Member] | Restricted Stock Plan 2005 [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares vested description Shares granted under the 2005 Plan are typically "performance based" and vest over a period of four years, only upon certification by the Compensation Committee of the Board of Directors that the Company has achieved its pre-established performance targets for the fiscal year.  
Vesting period (years) 4 years  
Non-Performance Based Grant [Member] | Restricted Stock Plan 2005 [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares vested description Certain shares granted under the 2005 Plan, however, are "non-performance based" and vest over a period of four years without being subject to the achievement of performance targets.  
Vesting period (years) 4 years