Summary of Significant Accounting Policies - Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Aug. 03, 2019	Feb. 02, 2019
Term Loans | UK Term Loans
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Carrying Amount	$ 7,595	$ 8,970
Fair Value	7,624	9,063
Borrowings | U.S. Credit Facility Borrowings
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Carrying Amount	60,249	56,773
Fair Value	60,538	56,861
Borrowings | UK Revolver Borrowings
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Carrying Amount	7,296	0
Fair Value	$ 7,343	$ 0