Summary of Significant Accounting Policies (Schedule of Net Income per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Jan. 30, 2021	Feb. 01, 2020	Feb. 02, 2019
Basic Net Income per Share:
Net income	$ 15,991	$ 42,914	$ 38,135
Conversion of share-based compensation arrangements	0	(63)	(152)
Net income available for basic common shares and basic net income per share	$ 15,991	$ 42,851	$ 37,983
Basic	14,066	14,427	15,111
Basic	$ 1.14	$ 2.97	$ 2.51
Diluted Net Income per Share:
Net income	$ 15,991	$ 42,914	$ 38,135
Conversion of share-based compensation arrangements	0	(62)	(148)
Net income available for diluted common shares and diluted net income per share	$ 15,991	$ 42,852	$ 37,987
Conversion of share-based compensation arrangements	182	259	388
Net income available for diluted common shares and diluted net income per share	14,248	14,686	15,499
Diluted	$ 1.12	$ 2.92	$ 2.45