Annual report pursuant to Section 13 and 15(d)

Organization and Summary of Significant Accounting Policies - Cash Reconciliation (Details)

v3.20.1
Organization and Summary of Significant Accounting Policies - Cash Reconciliation (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Mar. 31, 2019
Mar. 31, 2018
Mar. 31, 2017
Cash and Cash Equivalents [Line Items]        
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents $ 46,006 $ 33,841 $ 36,327 $ 44,292
Cash and cash equivalents        
Cash and Cash Equivalents [Line Items]        
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents 43,237 31,402 33,879  
Restricted cash included in prepaid expenses and other current assets        
Cash and Cash Equivalents [Line Items]        
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents 2,421 1,624 1,703  
Restricted cash included in other long term assets        
Cash and Cash Equivalents [Line Items]        
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents $ 348 $ 815 $ 745