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. 01, 2020	Nov. 02, 2019	Aug. 03, 2019	May 04, 2019	Feb. 02, 2019	Nov. 03, 2018	Aug. 04, 2018	May 05, 2018	Feb. 01, 2020	Feb. 02, 2019	Feb. 03, 2018
Schedule of Earnings Per Share, Basic and Diluted, by Common Class [Line Items]
Net income	$ 6,273	$ 6,388	$ 9,284	$ 677	$ 8,677	$ 5,355	$ 9,689	$ 1,223	$ 22,622	$ 24,943	$ 14,700
Weighted average basic shares outstanding (in shares)									29,533	29,278	28,804
Dilutive effect of stock options and restricted stock (in shares)									255	490	270
Weighted average shares for diluted earnings per share (in shares)									29,788	29,768	29,074
Basic earnings per share of Class A and Class B common stock (in dollars per share)	$ 0.21	$ 0.22	$ 0.31	$ 0.02	$ 0.29	$ 0.18	$ 0.33	$ 0.04
Diluted earnings per share of Class A and Class B common stock (in dollars per share)	$ 0.21	$ 0.21	$ 0.31	$ 0.02	$ 0.29	$ 0.18	$ 0.33	$ 0.04
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)									$ 0.77	$ 0.85	$ 0.51
Diluted earnings per share of Class A and Class B common stock (in dollars per share)									$ 0.76	$ 0.84	$ 0.51