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Details Of Certain Accounts (Other Current Assets) (Details) (USD $)
 9 Months Ended
Sep. 30, 2014
Dec. 31, 2013
Details Of Certain Accounts [Abstract]    
Note receivable $ 10,000,000 [1]  
Other receivables 840,000 785,000
Prepaid insurance 9,613,000 7,038,000
Other prepaids 15,969,000 12,999,000
Spare parts inventory 2,429,000 1,038,000
Value added tax receivable 9,120,000 7,589,000
Other 35,000 260,000
Total other current assets 48,006,000 29,709,000
Note receivable, interest rate 6.00%  
Note receivable, periodic principal payment $ 10,000,000  
[1] Relates to the promissory note we received in connection with the sale of our Ingleside spoolbase in January 2014. Interest on the note is payable quarterly at a rate of 6% per annum. A $10 million principal reduction is required to be paid on each December 31 of 2014, 2015 and 2016.