Subsequent Events (Details) (Senior Notes [Member], Senior Notes Maturity Date August 2017 [Member], USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2014
Senior Notes [Member] | Senior Notes Maturity Date August 2017 [Member]
Subsequent Event [Line Items]
Debt Instrument Issuance Date	Aug. 01, 2014
Final maturity date	Aug. 01, 2017
Debt Instrument, Basis Spread on Variable Rate - LIBOR Plus	0.30%
Debt Instrument Face Amount	$ 300