Condensed Consolidated Statements of Cash Flows - USD ($)	9 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Cash flows from operating activities:
Net loss	$ (16,934,691)	$ (3,397,085)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	49,224,187	48,944,183
Amortization of financing costs	4,585,593	2,820,407
Unrealized gain on derivatives	(2,053,129)	(26,539,650)
Stock-based compensation expense	3,977,219	3,238,940
Gain on early extinguishment of debt	(4,117,364)
Unrealized foreign currency (gain)/loss, net	(141,903)	346,165
Other non-cash items	77,342	256,630
Changes in operating assets and liabilities
Trade receivables, net and accrued revenue	(228,360)	(1,274,994)
Prepaid expenses and other receivables	(769,410)	168,632
Due from related parties	10,620,942	27,610,954
Inventories	561,614	(598,164)
Other non-current assets	(7,089)	1,854
Trade accounts payable	(1,070,331)	(1,460,727)
Accrued expenses and other liabilities	(2,361,552)	(227,353)
Due to related parties	44,660	(151,846)
Payments for drydocking costs	(461,478)	(533,096)
Net cash provided by operating activities	40,946,250	49,204,850
Cash flows from investing activities:
Capital expenditures	(297,534)	(1,755,832)
Restricted cash deposits	(11,008,812)
Restricted cash released	32,800,000
Payments to acquire other fixed assets	(5,305)	(7,029)
Net cash provided by/(used in) investing activities	21,488,349	(1,762,861)
Cash flows from financing activities:
Proceeds from long-term debt borrowings	149,000,000
Repayment of long-term debt borrowings	(168,814,690)	(48,646,448)
Purchase of treasury stock	(1,084,902)	(12,953,453)
Financing costs paid	(3,002,235)	(99,785)
Net cash used in financing activities	(23,901,827)	(61,699,686)
Effects of exchange rates on cash and cash equivalents	81,967	(314,626)
Net increase/(decrease) in cash and cash equivalents	38,614,739	(14,572,323)
Cash and cash equivalents at the beginning of the period	17,018,552	46,411,962
Cash and cash equivalents at the end of the period	$ 55,633,291	$ 31,839,639