Related Party Transactions (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012	Dec. 31, 2011
Related Party Transactions [Abstract]
Management Fee	$ 2.5		$ 5.0	$ 5.0
Net proceeds used for termination of Management Services Agreement	$ 24.4	[1]

[1] Represents the payment of a termination fee to affiliates of the Sponsors in connection with the termination of the management services agreement with such entities.