Derivative Financial Instruments (Estimated cash payments and reclassification to interest expense) (Details) $ in Millions |
9 Months Ended |
---|---|
Sep. 30, 2015
USD ($)
| |
Derivative Instruments and Hedging Activities Disclosure [Abstract] | |
Change in net unrealized losses on cash flow hedges | $ 1.7 |
Estimated amount to be reclassified from accumulated other comprehensive income to interest expense within the next twelve months | $ 2.2 |