Fair Value Measurements and Derivative Instruments (Recurring) (Details) (Fair Value, Measurements, Recurring, USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2013
|
Dec. 31, 2012
|
---|---|---|
Total
|
||
Assets: | ||
Derivative financial instruments | $ 188,576 | $ 96,489 |
Investments | 6,044 | 6,231 |
Total Assets | 194,620 | 102,720 |
Liabilities: | ||
Derivative financial instruments | 100,260 | 85,119 |
Total Liabilities | 100,260 | 85,119 |
Level 1
|
||
Assets: | ||
Derivative financial instruments | 0 | 0 |
Investments | 6,044 | 6,231 |
Total Assets | 6,044 | 6,231 |
Liabilities: | ||
Derivative financial instruments | 0 | 0 |
Total Liabilities | 0 | 0 |
Level 2
|
||
Assets: | ||
Derivative financial instruments | 188,576 | 96,489 |
Investments | 0 | 0 |
Total Assets | 188,576 | 96,489 |
Liabilities: | ||
Derivative financial instruments | 100,260 | 85,119 |
Total Liabilities | 100,260 | 85,119 |
Level 3
|
||
Assets: | ||
Derivative financial instruments | 0 | 0 |
Investments | 0 | 0 |
Total Assets | 0 | 0 |
Liabilities: | ||
Derivative financial instruments | 0 | 0 |
Total Liabilities | $ 0 | $ 0 |