Fair Value Measurements (Details 1) - USD ($) $ in Thousands	6 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Proceeds from corporate-owned life insurance policy	$ 0	$ (119)
Cash Surrender Value [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at beginning of period	2,493	4,360
Unrealized (loss) gain relating to instruments held at reporting date	28	28
Purchases, sales, issuances and settlements, net	21	20
Proceeds from corporate-owned life insurance policy	0	(1,989)
Balance at end of period	$ 2,542	$ 2,419