Borrowings (Interest Rate Swap on Senior Secured Notes) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013		Dec. 31, 2012
Debt Instrument [Line Items]
Fair market value of Rate Agreement - asset (liability)	$ (1,660)		$ (81)
Adjustment to increase (decrease) the carrying value of the related long-term debt	(1,324)	[1]	408	[1]
Derivative Asset | Interest Rate Agreements | Designated as Hedging Instrument
Debt Instrument [Line Items]
Fair market value of Rate Agreement - asset (liability)	$ (2,073)		$ 298

[1] See Interest Rate Agreement under “Senior Secured Notes” below and in note 13.