SCHEDULE II (Details) - Total Allowance for Doubtful Accounts - USD ($) $ in Thousands		12 Months Ended
		Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2017
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Year		$ 904	$ 954	$ 586
Additions Charged to Expenses		1,115	250	941
Deductions	[1]	(1,155)	(300)	(573)
Balance at End of Year		$ 864	$ 904	$ 954

[1] The deductions related to allowance for doubtful accounts represent accounts receivable which are written off.