XML 33 R22.htm IDEA: XBRL DOCUMENT v3.8.0.1
Basis of Presentation - Recently Issued Accounting Pronouncements (Details) - USD ($)
$ in Thousands
May 05, 2018
Feb. 04, 2018
Feb. 03, 2018
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]      
Restricted cash $ 1,700    
Cumulative impact to retained earnings 31,658 $ 36,976 $ 34,993
ASU 2014-09 | Difference between Revenue Guidance in Effect before and after Topic 606      
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]      
Cumulative impact to retained earnings $ 80 $ 1,983