Employee Benefit Plans - Endorsement Split-Dollar Life Insurance (Details Textual)	12 Months Ended
	Mar. 31, 2018 USD ($) policy	Mar. 31, 2017 USD ($)	Mar. 31, 2016 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Proceeds from corporate-owned life insurance policies	$ 2,200,000
Number of corporate owned life insurance policies redeemed	2	2
Present value of future proceeds to be received under corporate life insurance policies, liability	$ 100,000
Cash Surrender Value of Life Insurance, Increase in Face Amount		$ 500,000
Aggregate cash surrender value of underlying life insurance, net of policy loans	900,000
Corporate-owned life insurance policies, gain (loss) recognized and classified within Other (income) expenses, net on Consolidated Statements of Operations	$ 17,000	0	$ 600,000
Other Current Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Aggregate cash surrender value of underlying life insurance, net of policy loans		$ 800,000