Revolving Credit Facility (Details) (USD $)	12 Months Ended
	Mar. 31, 2014
Summary of maximum credit available to the company on a periodic basis
Commitment Low level period	5 months
Commitment Medium level period	4 months
Commitment High level period	3 months
Low [Member]
Summary of maximum credit available to the company on a periodic basis
Commitment Period Time Frame	February 1 to June 30 (5 months)
Commitment Level	$ 50,000,000
Medium [Member]
Summary of maximum credit available to the company on a periodic basis
Commitment Period Time Frame	July 1 to October 31 (4 months)
Commitment Level	100,000,000
High [Member]
Summary of maximum credit available to the company on a periodic basis
Commitment Period Time Frame	November 1 to January 31 (3 months)
Commitment Level	$ 150,000,000