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Income Taxes (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Nov. 02, 2019
Nov. 03, 2018
Nov. 02, 2019
Nov. 03, 2018
Income Taxes        
Income tax expense $ 3,287 $ 2,480 $ 3,195 $ 3,406
Effective tax rate 23.90% 16.70% 23.30% 20.60%
Federal statutory rate     21.00%