Derivatives (Details Textuals) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013
Derivative [Line Items]
Mandatory Redemption Date 2	Dec. 31, 2013
Maximum counterparty loss	$ 0.7
Maximum counterparty loss with netting feature	0.2
Cash Flow Liquid Swap [Member]
Derivative [Line Items]
Price Risk Cash Flow Hedge Unrealized Gain (Loss) to be Reclassified During Next 12 Months	$ 0.7