Income Taxes - Carryforwards (Details) $ in Thousands	Feb. 03, 2018 USD ($)
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards and Tax Credit Carryforward	$ 5,392
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	17
California Enterprise Zone [Member] | State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Tax Credit Carryforward, Amount	4,976
Other State Credits [Member] | State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Tax Credit Carryforward, Amount	$ 399