Equity Award Plans - Summary of Cumulative Minimum, Target and Maximum Restricted Stock Units Award Activity (Details) - 2016 Awards - Performance Period January 31, 2016 to February 2, 2019 - Executive Officer - Restricted Stock Units (RSUs)	Aug. 04, 2018 shares
Deferred Compensation Arrangement With Individual Share Based Payments [Line Items]
Minimum cumulative restricted stock units available for future declaration	13,698
Target cumulative restricted stock units available for future declaration	54,789
Maximum cumulative restricted stock units available for future declaration	82,815