Derivative Financial Instruments Effectiveness Testing (Details) (Interest rate swap agreements [Member], USD $)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2015 Scenario, Forecast [Member]
Gain/(loss) reclassified from accumulated other comprehensive income/(loss) into earnings due to ineffectiveness	$ 0	$ 0	$ 0	$ 0
Existing net losses realized and recorded as interest expense	600,000	1,300,000	1,600,000	3,200,000
Existing net losses expected to be realized within the next 12 months					$ (3,000,000)