SUPPLEMENTAL INFORMATION FOR STATEMENTS OF CASH FLOWS Schedule of Supplemental Cash Flow Disclosures (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
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| Supplemental Cash Flow Elements [Abstract] | |||
| Income taxes paid, net of refunds | $ (5,978) | $ 5,960 | $ 1,825 |
| Interest paid to others, excluding capitalized interest | 15,268 | 12,642 | 13,420 |
| Schedule of non-cash investing and financing activities: | |||
| Contribution of notes payable as additional capital into Aeróleo | 6,349 | 0 | 0 |
| Settlement of accrued contingent liabilities through installment obligations | 2,486 | ||
| Company financed sale of equipment and parts | $ 0 | $ 1,248 | $ 0 |
| X | ||||||||||
- Definition Interest Paid to Others, Net No definition available.
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- Definition Sale of Property, Plant and Equipment with Notes Issued No definition available.
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- Definition Settlement of Accrued Contingent Liabilities Through Installment Obligations No definition available.
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- Definition The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- References No definition available.
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- Definition The fair value of notes issued in noncash investing and financing activities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- References No definition available.
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