CONDENSED CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]
Balance at Feb. 03, 2018	$ 307,302	$ 205	$ (85,099)	$ 65,458	$ 326,738
Balance, shares at Feb. 03, 2018		20,529	(3,582)
Cumulative Effect on Retained Earnings, Net of Tax | Adoption of Accounting Standards Codification 606	623				623
Dividends declared	(2,542)				(2,542)
Employee stock purchase plan purchases	107		$ 112	(5)
Employee stock purchase plan purchases, shares			5
Restricted stock awards	0		$ (577)	577
Restricted stock awards, shares			(41)
Shares surrendered by employees to pay taxes on restricted stock	(275)		$ (275)
Shares surrendered by employees to pay taxes on restricted stock, shares			(11)
Purchase of common stock for treasury	(19,043)		$ (19,043)
Purchase of common stock for treasury, shares			(811)
Stock-based compensation expense	2,862			2,862
Net income	24,730				24,730
Balance at Aug. 04, 2018	313,764	$ 205	$ (104,882)	68,892	349,549
Balance, shares at Aug. 04, 2018		20,529	(4,440)
Balance at May. 05, 2018	301,510	$ 205	$ (105,178)	67,410	339,073
Balance, shares at May. 05, 2018		20,529	(4,453)
Dividends declared	(1,302)				(1,302)
Employee stock purchase plan purchases	42		$ 36	6
Employee stock purchase plan purchases, shares			2
Restricted stock awards	0		$ 260	(260)
Restricted stock awards, shares			11
Stock-based compensation expense	1,736			1,736
Other	3				3
Net income	11,775				11,775
Balance at Aug. 04, 2018	313,764	$ 205	$ (104,882)	68,892	349,549
Balance, shares at Aug. 04, 2018		20,529	(4,440)
Balance at Feb. 02, 2019	304,433	$ 205	$ (131,846)	75,631	360,443
Balance, shares at Feb. 02, 2019		20,529	(5,154)
Cumulative Effect on Retained Earnings, Net of Tax | Adoption of Accounting Standards Codification 842	(2,649)				(2,649)
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	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	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)