Annual report pursuant to Section 13 and 15(d)

Revenue from Contracts with Customers - Contract Assets and Contract Liabilities (Details)

v3.19.2
Revenue from Contracts with Customers - Contract Assets and Contract Liabilities (Details)
$ in Thousands
12 Months Ended
Mar. 31, 2019
USD ($)
Increase (Decrease) In Contract With Customer, Asset [Roll Forward]  
Balance as of April 1, 2018 $ 16,114
Revenue recognized under contracts 157,357
Billed amounts to customers (147,017)
Total activity 10,340
Balance as of March 31, 2019 26,454
Increase (Decrease) In Contract With Customer, Liability [Roll Forward]  
Balance as of April 1, 2018 (8,143)
Revenue recognized under contracts 7,679
Billed amounts to customers (6,350)
Total activity 1,329
Balance as of March 31, 2019 $ (6,814)