Earnings/(Loss) Per Share (Details) - USD ($)	3 Months Ended						9 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Dec. 31, 2019	Dec. 31, 2018
Numerator:
Net income/(loss)	$ 35,628,912	$ 40,711,896	$ 6,075,059	$ (6,218,652)	$ (8,177,120)	$ (20,596,558)	$ 82,415,867	$ (34,992,330)
Denominator:
Basic weighted average number of common shares outstanding (in shares)	53,944,991			54,441,203			54,380,855	54,356,060
Effect of dilutive restricted stock and restricted stock units (in shares)	231,757						234,988
Diluted weighted average number of common shares outstanding (in shares)	54,176,748			54,441,203			54,615,843	54,356,060
EPS:
Earnings/(loss) per common share – basic (in dollars per share)	$ 0.66			$ (0.11)			$ 1.52	$ (0.64)
Earnings/(loss) per common share – diluted (in dollars per share)	$ 0.66			$ (0.11)			$ 1.51	$ (0.64)
Restricted stock awards
EPS:
Number of shares excluded from the calculation of diluted EPS	0			725,685			0	725,685