Fair Value Measurements (Details 1) - Cash Surrender Value [Member] - USD ($) $ in Thousands	9 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at beginning of period	$ 853	$ 809
Unrealized (loss) relating to instruments held at reporting date	(12)	(11)
Purchases, sales, issuances and settlements, net	27	27
Balance at end of period	$ 868	$ 825