Summary of Significant Accounting Policies Summary of Significant Accounting Policies - Inventory Disclosures (Details) - USD ($) $ in Thousands	Feb. 01, 2019	Feb. 02, 2018	Jan. 27, 2017	Jan. 29, 2016
Inventory Trade Credits [Line Items]
Allowance for Doubtful Accounts Receivable	$ 542	$ 637	$ 579	$ 626
FIFO Method Effect	1,100	1,000
Accounts Receivable [Member]
Inventory Trade Credits [Line Items]
Trade Credits Receivable	300	$ 900
Other Current Assets [Member]
Inventory Trade Credits [Line Items]
Trade Credits Receivable	$ 3,500
UNITED STATES
Inventory Trade Credits [Line Items]
Percentage of LIFO Inventory		88.00%