XML 81 R43.htm IDEA: XBRL DOCUMENT v3.20.1
Revenue Recognition - Additional Information (Details1)
Feb. 01, 2020
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2020-02-02  
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items]  
Cycle of earning and redeeming loyalty points period 1 year