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INCOME TAXES (Tables) | 12 Months Ended
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Dec. 31, 2017
INCOME TAXES |
Schedule of components of income before income taxes | The components of income before income taxes for the years ended December 31, 2017, 2016 and 2015 are as follows (in thousands):
|  | 2017 |  | 2016 |  | 2015 |
Domestic |  | $ | 25,232 |  | $ | 28,047 |  | $ | 50,563 |
Foreign |  |  | 22,321 |  |  | 17,327 |  |  | 5,638 |
Total |  | $ | 47,553 |  | $ | 45,374 |  | $ | 56,201 |
Schedule of reconciliation from the tax computed at statutory income tax rates to the Company's income tax expense | The following is a reconciliation from the tax computed at statutory income tax rates to the Company’s income tax expense for the years ended December 31, 2017, 2016, and 2015 (in thousands):
|  | 2017 |  | 2016 |  | 2015 |
Tax computed at statutory U.S. federal income tax rates |  | $ | 16,644 |  | $ | 15,782 |  | $ | 19,652 |
Non controlling interest |  |  | (2,887) |  |  | (2,893) |  |  | (2,807) |
Foreign tax rate differential |  |  | (6,621) |  |  | (3,074) |  |  | 1,659 |
Over (under) provided in prior periods |  |  | (18) |  |  | 1,069 |  |  | 652 |
Nondeductible expenses |  |  | 929 |  |  | 1,134 |  |  | 1,113 |
Goodwill Impairment |  |  | — |  |  | 2,622 |  |  | — |
Capitalized transactions costs |  |  | 53 |  |  | 3,138 |  |  | — |
Change in tax reserves |  |  | 4,433 |  |  | 2,561 |  |  | 2,564 |
State Taxes, net of federal benefit |  |  | 1,075 |  |  | 1,853 |  |  | 935 |
Change in valuation allowance |  |  | 6,137 |  |  | (7,292) |  |  | (5,949) |
Foreign tax credit expiration |  |  | — |  |  | 4,179 |  |  | 6,396 |
Refund Claim for Domestic Production Deduction |  |  | (3,382) |  |  | — |  |  | — |
Tax Cuts and Jobs Act of 2017 |  |  | (10,639) |  |  | — |  |  | — |
Capital loss |  |  | (6,990) |  |  | — |  |  | — |
Other, net |  |  | (75) |  |  | 2,081 |  |  | (78) |
Total Income Tax Expense |  | $ | (1,341) |  | $ | 21,160 |  | $ | 24,137 |
Schedule of components of income tax expense (benefit) | The components of income tax expense (benefit) for the years ended December 31, 2017, 2016 and 2015 are as follows (in thousands):
\ |  |  |  |  |  |  |  |  |  |
|  | 2017 |  | 2016 |  | 2015 |
Current: |  |  |  |  |  |  |  |  |  |
United States—Federal |  | $ | 375 |  | $ | 15,763 |  | $ | (1,308) |
United States—State |  |  | 500 |  |  | 505 |  |  | (383) |
Foreign |  |  | 11,289 |  |  | 10,528 |  |  | 7,959 |
Total current income tax expense |  | $ | 12,164 |  | $ | 26,796 |  | $ | 6,268 |
Deferred: |  |  |  |  |  |  |  |  |  |
United States—Federal |  | $ | (10,892) |  | $ | (1,880) |  | $ | 16,760 |
United States—State |  |  | 950 |  |  | (291) |  |  | 1,636 |
Foreign |  |  | (3,563) |  |  | (3,465) |  |  | (527) |
Total deferred income tax expense (benefit) |  |  | (13,505) |  |  | (5,636) |  |  | 17,869 |
Consolidated: |  |  |  |  |  |  |  |  |  |
United States—Federal |  | $ | (10,517) |  | $ | 13,883 |  | $ | 15,452 |
United States—State |  |  | 1,450 |  |  | 214 |  |  | 1,253 |
Foreign |  |  | 7,726 |  |  | 7,063 |  |  | 7,432 |
Total income tax expense |  | $ | (1,341) |  | $ | 21,160 |  | $ | 24,137 |
Schedule of significant components of deferred tax assets and liabilities | The significant components of deferred tax assets and liabilities are as follows as of December 31, 2017 and 2016 (in thousands):
|  | 2017 |  | 2016 |
Deferred tax assets: |  |  |  |  |  |  |
Receivables reserve |  | $ | 1,524 |  | $ | 1,470 |
Temporary differences not currently deductible for tax |  |  | 7,869 |  |  | 8,918 |
Deferred compensation |  |  | 1,446 |  |  | 2,461 |
Pension |  |  | 245 |  |  | 1,085 |
Net operating losses |  |  | 26,685 |  |  | 29,571 |
Tax Credits |  |  | 8,969 |  |  | — |
Total deferred tax asset |  |  | 46,738 |  |  | 43,505 |
Deferred tax liabilities: |  |  |  |  |  |  |
Property, plant and equipment, net |  | $ | 35,630 |  | $ | 41,136 |
Intangible assets, net |  |  | 5,817 |  |  | 6,122 |
Total deferred tax liabilities |  |  | 41,447 |  |  | 47,258 |
Valuation allowance |  |  | (35,829) |  |  | (42,462) |
Net deferred tax liabilities |  | $ | (30,538) |  | $ | (46,215) |
Schedule of deferred tax assets and liabilities | Deferred tax assets and liabilities are reflected in the accompanying consolidated balance sheets as follows (in thousands):
|  | 2017 |  | 2016 |
Deferred tax assets: |  |  |  |  |  |  |
Current |  | $ | — |  | $ | — |
Long term |  |  | 1,194 |  |  | 407 |
Total deferred tax asset |  | $ | 1,194 |  | $ | 407 |
Deferred tax liabilities: |  |  |  |  |  |  |
Current |  | $ | — |  | $ | — |
Long term |  |  | (31,732) |  |  | (46,622) |
Total deferred tax liabilities |  | $ | (31,732) |  | $ | (46,622) |
Net deferred tax liabilities |  | $ | (30,538) |  | $ | (46,215) |
Schedule of activity related to unrecognized tax benefits | The following shows the activity related to unrecognized tax benefits (not including interest and penalty) during the three years ended December 31, 2017 (in thousands):
Gross unrecognized tax benefits at December 31, 2014 |  |  | 15,499 |
Increase in unrecognized tax benefits taken during a prior period |  |  | — |
Increase in unrecognized tax benefits taken during the current period |  |  | 1,717 |
Lapse in statute of limitations |  |  | — |
Settlements |  |  | — |
Gross unrecognized tax benefits at December 31, 2015 |  |  | 17,216 |
Increase in unrecognized tax benefits taken during a prior period |  |  | 561 |
Increase in unrecognized tax benefits taken during the current period |  |  | 2,321 |
Lapse in statute of limitations |  |  | (1,673) |
Settlements |  |  | (521) |
Gross unrecognized uncertain tax benefits at December 31, 2016 |  |  | 17,904 |
Increase in unrecognized tax benefits taken during a prior period |  |  | — |
Increase in unrecognized tax benefits taken during the current period |  |  | 3,394 |
Lapse in statute of limitations |  |  | (2) |
Settlements |  |  | (335) |
Gross unrecognized uncertain tax benefits at December 31, 2017 |  | $ | 20,961 |

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