Details Of Certain Accounts - Other Current Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Note receivable	$ 10,000	$ 10,000
Prepaid insurance	222	5,433
Other prepaids	12,689	10,142
Deferred costs	4,903	609
Spare parts inventory	4,601	4,985
Value added tax receivable	8,774	7,842
Other	276	507
Total other current assets	$ 41,465	$ 39,518
Note receivable, interest rate	6.00%
Financing receivable, gross	$ 10,000