|
Significant Accounting Policies (Details) (USD $)
In Thousands, unless otherwise specified
|
12 Months Ended |
|
Dec. 31, 2014
|
Dec. 31, 2013
|
Dec. 31, 2012
|
| Reclassifications in Other Comprehensive Income/(Loss) |
|
|
|
| Net unrealized and realized losses on derivatives |
$ (98,713) |
$ (126,150) |
$ (155,173) |
| Reclassification out of accumulated other comprehensive income |
|
|
|
| Reclassifications in Other Comprehensive Income/(Loss) |
|
|
|
| Net unrealized and realized losses on derivatives |
92,955 |
120,574 |
69,333 |
| Amortization of deferred realized losses on cash flow hedges | Reclassification out of accumulated other comprehensive income |
|
|
|
| Reclassifications in Other Comprehensive Income/(Loss) |
|
|
|
| Net unrealized and realized losses on derivatives |
4,016 |
4,017 |
3,524 |
| Reclassification of unrealized losses to earnings | Reclassification out of accumulated other comprehensive income |
|
|
|
| Reclassifications in Other Comprehensive Income/(Loss) |
|
|
|
| Net unrealized and realized losses on derivatives |
$ 88,939 |
$ 116,557 |
$ 65,809 |