Derivative Financial Instruments (The location and effect of the derivative instrument on the condensed consolidated statement of operations, pre-tax basis) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Derivative Instruments, (Gain) Loss [Line Items]
Amount of (gain) loss recognized	$ (732)	$ 102	$ (2,305)	$ 497
Hedged Item Debt [Member] | Interest Expense, Net [Member]
Derivative Instruments, (Gain) Loss [Line Items]
Amount of (gain) loss recognized	(2,639)	615	4,422	(6,886)
Interest Rate Swap [Member] | Interest Expense, Net [Member]
Derivative Instruments, (Gain) Loss [Line Items]
Amount of (gain) loss recognized	$ 1,907	$ (513)	$ (6,727)	$ 7,383