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Financial Instruments and Fair Value Disclosures (FV) (Details) - USD ($)	3 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Mar. 31, 2017
Derivative Instruments
Change in fair value	$ (2,370,191)	$ (4,369,859)
Realized loss on derivatives	(612,863)	(2,256,788)
Interest rate swaps | Derivatives not designated as hedging instruments
Derivative Instruments
Gain/(loss) on derivatives, net	(2,983,054)	(6,626,647)
Interest rate swaps | Derivatives not designated as hedging instruments | Unrealized loss on derivatives
Derivative Instruments
Change in fair value	(2,370,191)	(4,369,859)
Interest rate swaps | Derivatives not designated as hedging instruments | Realized loss on derivatives
Derivative Instruments
Realized loss on derivatives	(612,863)	$ (2,256,788)
Interest rate swaps | Derivatives not designated as hedging instruments | Other non-current assets-Derivative instruments
Derivative Instruments
Derivative Asset	3,883,944		$ 5,843,368
Interest rate swaps | Derivatives not designated as hedging instruments | Long-term liabilities-Derivatives instruments
Derivative Instruments
Liability derivatives	$ 410,767

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- Definition

Amount of gain (loss) included in earnings for the period interest on the interest rate derivatives.

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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.

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