Income Taxes - Loss Carryforwards Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Feb. 01, 2020	Feb. 02, 2019
Operating Loss Carryforwards [Line Items]
Increase in valuation allowance	$ 3.0	$ 5.5
Federal operating loss carryforwards	1.1
Tax credit carryforward	0.7
Domestic Tax Authority
Operating Loss Carryforwards [Line Items]
Federal loss carryforward	162.2
State and Local Jurisdiction
Operating Loss Carryforwards [Line Items]
Federal loss carryforward	$ 83.2
Minimum
Operating Loss Carryforwards [Line Items]
State operating loss carryforwards periods	5 years
Maximum
Operating Loss Carryforwards [Line Items]
State operating loss carryforwards periods	20 years