Fair Value Measurements - Details of Impairment of Long-Lived Assets (Details) $ in Thousands	12 Months Ended
	Feb. 03, 2018 USD ($) store	Jan. 28, 2017 USD ($) store	Jan. 30, 2016 USD ($) store
Fair Value Disclosures [Abstract]
Carrying value of assets with impairment | $	$ 848	$ 2,584	$ 3,589
Fair value of assets impaired | $	$ 0	$ 232	$ 996
Number of stores tested for impairment | store	10	15	20
Number of stores with impairment | store	4	9	9