Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Oct. 28, 2017	Jan. 28, 2017	Oct. 29, 2016
Statement of Financial Position [Abstract]
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	$ 123,248	$ 100,200	$ 93,312
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01	$ 0.01
Common stock, shares authorized	120,000,000	120,000,000	120,000,000
Common stock, shares issued	55,235,031	54,904,954	54,879,306
Common stock, shares outstanding	55,235,031	54,904,954	54,879,306