CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Cumulative Effect Period Of Adoption Adjustment [Member]	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Retained Earnings [Member] Cumulative Effect Period Of Adoption Adjustment [Member]
Balance at Feb. 02, 2019	$ 304,433	$ (2,649)	$ 205	$ (131,846)	$ 75,631	$ 360,443	$ (2,649)
Balance, shares at Feb. 02, 2019			20,529	(5,154)
Dividends declared	(2,487)					(2,487)
Employee stock purchase plan purchases	104			$ 103	1
Employee stock purchase plan purchases, shares				4
Restricted stock awards	0			$ 1,664	(1,664)
Restricted stock awards, shares			(1)	60
Shares surrendered by employees to pay taxes on restricted stock	(10,940)			$ (10,940)
Shares surrendered by employees to pay taxes on restricted stock, shares				(321)
Purchase of common stock for treasury	(14,012)			$ (14,012)
Purchase of common stock for treasury, shares				(411)
Stock-based compensation expense	3,406				3,406
Net income/(loss)	25,705					25,705
Balance at Aug. 03, 2019	303,560		$ 205	$ (155,031)	77,374	381,012
Balance, shares at Aug. 03, 2019			20,528	(5,822)
Balance at May. 04, 2019	291,503		$ 205	$ (155,437)	76,282	370,453
Balance, shares at May. 04, 2019			20,528	(5,837)
Dividends declared	(1,273)					(1,273)
Employee stock purchase plan purchases	41			$ 46	(5)
Employee stock purchase plan purchases, shares				2
Restricted stock awards	0			$ 360	(360)
Restricted stock awards, shares				13
Stock-based compensation expense	1,457				1,457
Net income/(loss)	11,832					11,832
Balance at Aug. 03, 2019	303,560		$ 205	$ (155,031)	77,374	381,012
Balance, shares at Aug. 03, 2019			20,528	(5,822)
Balance at Feb. 01, 2020	297,363		$ 205	$ (178,517)	79,914	395,761
Balance, shares at Feb. 01, 2020			20,525	(6,517)
Dividends declared	(2,512)					(2,512)
Employee stock purchase plan purchases	105			$ 143	(38)
Employee stock purchase plan purchases, shares				5
Restricted stock awards	0			$ 4,440	(4,440)
Restricted stock awards, shares				161
Shares surrendered by employees to pay taxes on restricted stock	(1,727)			$ (1,727)
Shares surrendered by employees to pay taxes on restricted stock, shares				(72)
Stock-based compensation expense	1,888				1,888
Net income/(loss)	(6,130)					(6,130)
Balance at Aug. 01, 2020	288,987		$ 205	$ (175,661)	77,324	387,119
Balance, shares at Aug. 01, 2020			20,525	(6,423)
Balance at May. 02, 2020	279,458		$ 205	$ (176,009)	76,910	378,352
Balance, shares at May. 02, 2020			20,525	(6,436)
Dividends declared	(1,293)					(1,293)
Employee stock purchase plan purchases	42			$ 46	(4)
Employee stock purchase plan purchases, shares				1
Restricted stock awards	0			$ 329	(329)
Restricted stock awards, shares				13
Shares surrendered by employees to pay taxes on restricted stock	(27)			$ (27)
Shares surrendered by employees to pay taxes on restricted stock, shares				(1)
Stock-based compensation expense	747				747
Net income/(loss)	10,060					10,060
Balance at Aug. 01, 2020	$ 288,987		$ 205	$ (175,661)	$ 77,324	$ 387,119
Balance, shares at Aug. 01, 2020			20,525	(6,423)