NATURE OF OPERATIONS AND ACCOUNTING POLICIES Schedule of Allowance for Doubtful Accounts (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
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| Movement in Valuation Allowances and Reserves [Roll Forward] | |||
| Balance at beginning of period | $ 21,575 | $ 12,650 | $ 806 |
| Write-offs | 4,196 | 0 | 0 |
| Balance at end of period | 34,967 | 21,575 | 12,650 |
| Allowance for Doubtful Accounts | |||
| Movement in Valuation Allowances and Reserves [Roll Forward] | |||
| Balance at beginning of period | 1,219 | 2,103 | 1,955 |
| Additional allowances charged to expense | 144 | 441 | 1,058 |
| Additional allowance due to consolidation | 0 | 0 | 577 |
| Recovery of previously reserved accounts | (82) | (1,086) | (124) |
| Write-offs | (68) | (474) | (1,354) |
| Foreign currency adjustments | (17) | 235 | (9) |
| Balance at end of period | $ 1,196 | $ 1,219 | $ 2,103 |
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Amount of increase (decrease) in the allowances and reserves, which consist of the valuation and qualifying accounts that are either netted against the cost of an asset or that reflect a liability established to represent expected future costs, from adjustments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of increase in the allowances and reserves, which consist of the valuation and qualifying accounts that are either netted against the cost of an asset or that reflect a liability established to represent expected future costs, from charges to costs and expenses. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Total of the deductions in a given period to allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs, representing receivables written off as uncollectible and portions of the reserves utilized, respectively. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of increase in the allowances and reserves, which consist of the valuation and qualifying accounts that are either netted against the cost of an asset or that reflect a liability established to represent expected future costs, from recoveries of amounts previously written off or reestablishment of reserves that had previously been utilized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs, acquired in a business combination. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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