Earnings Per Share ("EPS") (Details) - USD ($)	3 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Numerator:
Net income	$ 12,168,005	$ 6,075,059
Denominator:
Basic weighted average number of common shares outstanding (in shares)	50,554,233	54,552,994
Effect of dilutive restricted stock and restricted stock units (in shares)	125,216	328,332
Diluted weighted average number of common shares outstanding (in shares)	50,679,449	54,881,326
EPS:
Basic (in dollars per share)	$ 0.24	$ 0.11
Diluted (in dollars per share)	$ 0.24	$ 0.11
Restricted stock awards
EPS:
Number of shares excluded from the calculation of diluted EPS	0	0