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Details Of Certain Accounts (Other Current Assets) (Details) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2013 | Dec. 31, 2012
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Details Of Certain Accounts [Abstract] |  |
Other receivables | $ 785 | $ 1,086
Prepaid insurance | 7,038 | 11,999
Other prepaids | 12,999 | 11,751
Spare parts inventory | 1,038 | 2,480
Income tax receivable |  | 14,201
Derivative assets (Note 16) | 69 | 5,946
Other | 7,780 | 5,529
Total other current assets | $ 29,709 | $ 52,992

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