Change in Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Feb. 02, 2019	Feb. 03, 2018	Jan. 28, 2017
us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems
Income tax expense	$ 2,590	$ 7,433	$ 1,902
gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember
us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems
Interest and Other Income	45	(36)
Income tax expense	$ 11	$ (9)