XML 97 R77.htm IDEA: XBRL DOCUMENT v3.21.1
Income Taxes - Components of Pre-Tax Loss (Details) - USD ($)
$ in Thousands
12 Months Ended
Jan. 31, 2021
Jan. 31, 2020
Jan. 31, 2019
Income Tax Disclosure [Abstract]      
U.S. $ (240,175) $ (228,476) $ (460,627)
International 10,683 24,920 32,419
Loss before provision for (benefit from) income taxes $ (229,492) $ (203,556) $ (428,208)