Earnings Per Share - Components of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Feb. 03, 2018	Oct. 28, 2017	Jul. 29, 2017	Apr. 29, 2017	Jan. 28, 2017	Oct. 29, 2016	Jul. 30, 2016	Apr. 30, 2016	Feb. 03, 2018	Jan. 28, 2017	Jan. 30, 2016
Schedule of Earnings Per Share, Basic and Diluted, by Common Class [Line Items]
Net income	$ 6,699	$ 8,757	$ (596)	$ (161)	$ 6,305	$ 6,417	$ 1,433	$ (2,745)	$ 14,700	$ 11,410	$ 7,541
Weighted average basic shares outstanding (in shares)									28,804	28,496	28,332
Dilutive effect of stock options and restricted stock (in shares)									270	33	70
Weighted average shares for diluted earnings per share (in shares)									29,074	28,529	28,402
Basic earnings per share of Class A and Class B common stock (in dollars per share)	$ 0.23	$ 0.30	$ (0.02)	$ (0.01)	$ 0.22	$ 0.23	$ 0.05	$ (0.10)
Diluted earnings per share of Class A and Class B common stock (in dollars per share)	$ 0.23	$ 0.30	$ (0.02)	$ (0.01)	$ 0.22	$ 0.22	$ 0.05	$ (0.10)
Class A and Class B common stock
Schedule of Earnings Per Share, Basic and Diluted, by Common Class [Line Items]
Basic earnings per share of Class A and Class B common stock (in dollars per share)									$ 0.51	$ 0.40	$ 0.27
Diluted earnings per share of Class A and Class B common stock (in dollars per share)									$ 0.51	$ 0.40	$ 0.27