Significant Accounting Policies (AcctPro) (Details) - USD ($)	Dec. 31, 2016	Mar. 31, 2016
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Deferred charges, net	$ (1,886,686)	$ (294,935)
Long-term debt—net of current portion and deferred financing fees	(700,715,644)	(746,354,613)
Presentation of debt issuance costs
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Deferred charges, net	21,000,000	23,700,000
Long-term debt—net of current portion and deferred financing fees	$ 21,000,000	$ 23,700,000