|
Financial Instruments - Fair Value and Settlements of Derivatives (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | ||
|---|---|---|---|
|
Mar. 31, 2013
|
Mar. 31, 2012
|
Dec. 31, 2012
|
|
| Derivative [Line Items] | |||
| Derivative, Collateral, Right to Reclaim Cash | $ 6,400 | $ 5,900 | |
| Derivative gain (loss) | (17,468) | (836) | |
|
Fuel Derivatives [Member]
|
|||
| Derivative [Line Items] | |||
| Derivative, Collateral, Right to Reclaim Cash | 0 | 0 | |
| Derivative gain (loss) | 515 | (836) | |
|
LNG Inventory Derivatives [Member]
|
|||
| Derivative [Line Items] | |||
| Derivative, Collateral, Right to Reclaim Cash | 0 | 0 | |
| Derivative gain (loss) | $ (524) | $ 1,859 | |
| X | ||||||||||
|
- Definition
The amount of the right to reclaim cash collateral under master netting arrangements that have not been offset against net derivative instrument positions. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Definition
Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|