Derivative Financial Instruments (Details Textual) $ in Millions	12 Months Ended
Mar. 31, 2018 USD ($)
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivative liability on interest rate swap contacts	$ 29.0
Hedging Program number of years	2 years

Fair value as of the balance sheet date of all derivative liabilities designated as interest rate fair value hedging instruments.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624163-113959

Name:	us-gaap_InterestRateFairValueHedgeLiabilityAtFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant