Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Accounts Receivable (Details)

v3.20.1
Summary of Significant Accounting Policies - Accounts Receivable (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Changes in the accounts receivable allowances    
Accounts receivable allowance, beginning balance $ 5,298 $ 5,744
(Reduction in) accounts receivable allowances   (345)
Additions charged to costs and expenses 431  
Bad debt write-off (5,026) (101)
Accounts receivable allowance, ending balance $ 703 $ 5,298