Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Feb. 01, 2020	Feb. 02, 2019	Feb. 03, 2018
Income Statement [Abstract]
Net sales	$ 1,184,234	$ 1,008,682	$ 968,219
Cost of goods sold	800,783	679,947	655,502
Gross margin	383,451	328,735	312,717
Store operating, selling and administrative expenses	318,011	264,142	231,832
Depreciation and amortization	29,323	27,052	24,207
Operating income	36,117	37,541	56,678
Interest income	1,225	731	39
Interest expense	(1,014)	(714)	(270)
Interest income (expense), net	211	17	(231)
Income before provision for income taxes	36,328	37,558	56,447
Provision for income taxes	8,984	9,137	21,417
Net income	$ 27,344	$ 28,421	$ 35,030
Basic earnings per share (in dollars per share)	$ 1.54	$ 1.52	$ 1.72
Diluted earnings per share (in dollars per share)	$ 1.52	$ 1.51	$ 1.71
Weighted average shares outstanding:
Basic (in shares)	17,746	18,644	20,347
Diluted (in shares)	17,957	18,826	20,450