Consolidated Statements of Shareholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Adoption of Accounting Standards Codification 842	Adoption of Accounting Standards Codification 606	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Retained Earnings [Member] Adoption of Accounting Standards Codification 842	Retained Earnings [Member] Adoption of Accounting Standards Codification 606
Balance at Feb. 03, 2018	$ 307,302		$ 620	$ 205	$ (85,099)	$ 65,458	$ 326,738		$ 620
Balance, shares at Feb. 03, 2018				20,529	(3,582)
Dividends	(5,050)						(5,050)
Employee stock purchase plan purchases	177				$ 169	8
Employee stock purchase plan purchases, shares					7
Restricted stock awards	0				$ (543)	543
Restricted stock awards, shares					(39)
Shares surrendered by employees to pay taxes on restricted stock	(327)				$ (327)
Shares surrendered by employees to pay taxes on restricted stock, shares					(13)
Purchase of common stock for Treasury	(46,046)				$ (46,046)
Purchase of common stock for treasury, shares					(1,527)
Stock-based compensation expense	9,622					9,622
Net income	38,135						38,135
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	(4,947)						(4,947)
Employee stock purchase plan purchases	182				$ 175	7
Employee stock purchase plan purchases, shares					6
Restricted stock awards	0				$ 1,982	(1,982)
Restricted stock awards, shares				(4)	72
Shares surrendered by employees to pay taxes on restricted stock	(11,060)				$ (11,060)
Shares surrendered by employees to pay taxes on restricted stock, shares					(324)
Purchase of common stock for Treasury	(37,768)				$ (37,768)
Purchase of common stock for treasury, shares					(1,117)
Stock-based compensation expense	6,258					6,258
Net income	42,914						42,914
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	(5,097)						(5,097)
Employee stock purchase plan purchases	195				$ 224	(29)
Employee stock purchase plan purchases, shares					8
Restricted stock awards	0				$ 4,467	(4,467)
Restricted stock awards, shares					161
Shares surrendered by employees to pay taxes on restricted stock	(1,736)				$ (1,736)
Shares surrendered by employees to pay taxes on restricted stock, shares					(72)
Stock-based compensation expense	3,460					3,460
Net income	15,991						15,991
Balance at Jan. 30, 2021	$ 310,176			$ 205	$ (175,562)	$ 78,878	$ 406,655
Balance, shares at Jan. 30, 2021				20,525	(6,420)