Derivative Financial Instruments Effectiveness Testing (Details) (Interest Rate Swap [Member], USD $)	3 Months Ended	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2013
Interest Rate Swap [Member]
Gain/(loss) reclassified from accumulated other comprehensive income/(loss) into earnings due to ineffectiveness	$ 0
Existing net losses realized and recorded as interest expense	1,300,000	3,200,000
Existing net losses expected to be realized within the next 12 months		$ (1,500,000)