Income Taxes - Carryforwards (Details) $ in Thousands	Feb. 02, 2019 USD ($)
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards and Tax Credit Carryforward	$ 4,896
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	15
California Enterprise Zone [Member] | State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Tax Credit Carryforward, Amount	4,566
Other State Credits [Member] | State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Tax Credit Carryforward, Amount	$ 315