Annual report pursuant to Section 13 and 15(d)

Debt Debt - Customer Advances (Details)

v3.20.1
Debt Debt - Customer Advances (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Mar. 31, 2018
Debt Instrument [Line Items]      
Capital expenditures $ (146,331) $ (146,056) $ (65,004)
Restricted Cash $ 8,064 $ 0 $ 0