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11 - Employee Benefit Plans (Details) - Schedule of Net Benefit Costs - Pension Plan [Member] - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Nov. 03, 2019
Oct. 28, 2018
Nov. 03, 2019
Oct. 28, 2018
Net periodic benefit costs        
Service cost $ 26 $ 81 $ 78 $ 243
Interest cost 204 206 613 618
Actuarial loss 37 43 111 129
Expected return on pension plan assets (101) (144) (304) (431)
Expected administrative expenses 98 70 293 210
Consolidated net periodic benefit costs $ 264 $ 256 $ 791 $ 769