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Organization and Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Jan. 31, 2020
Accounting Policies [Abstract]  
Schedule of Cash, Cash Equivalents and Restricted Cash The following table presents cash, cash equivalents and restricted cash reported on the consolidated balance sheets, and the sums are presented on the consolidated statements of cash flows:

 

 

As of January 31,

 

 

 

2020

 

 

2019

 

 

2018

 

 

 

(in thousands)

 

Cash and cash equivalents

 

$

231,403

 

 

$

194,047

 

 

$

346,672

 

Restricted cash

 

 

9

 

 

 

11

 

 

 

9

 

Total as presented in the consolidated statements of cash flows

 

$

231,412

 

 

$

194,058

 

 

$

346,681