CONSOLIDATED BALANCE SHEETS (unaudited) (Parenthetical) - USD ($) $ in Thousands	Aug. 03, 2019	Feb. 02, 2019
Statement Of Financial Position [Abstract]
Property and equipment, accumulated depreciation and amortization	$ 111,181	$ 106,479
Preferred stock, shares authorized	1,656,381	1,656,381
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	20,000,000	20,000,000
Common stock, shares issued	14,227,184	14,416,500
Common stock, shares outstanding	14,227,184	14,416,500