XML 36 R34.htm IDEA: XBRL DOCUMENT v3.20.1
Summary of Significant Accounting Policies - Allowance for Doubtful Accounts (Details) - USD ($)
$ in Thousands
12 Months Ended
Jan. 31, 2020
Feb. 01, 2019
Accounting Policies [Abstract]    
Beginning balance $ 542 $ 637
Provision 151 192
Write-offs (182) (287)
Ending balance $ 511 $ 542