Closing of $150.0 Million Financing Transaction Non-Exclusive Sourcing Agreement (Details) (USD $)	0 Months Ended
	May 23, 2014
Long-term Purchase Commitment [Line Items]
Term of Purchase Obligation	10 years
Period of Sourcing Agreement Termination, Notice	9 months
Sourcing Agreement, Minimum Period Before Sourcing Agreement Can Be Terminated	3 years
Maximum [Member]
Long-term Purchase Commitment [Line Items]
Long-term Purchase Commitment, Amount	$ 280,000,000
Minimum [Member]
Long-term Purchase Commitment [Line Items]
Long-term Purchase Commitment, Amount	$ 240,000,000