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INCOME TAXES (Narrative) (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Anticipated change in unrecognized tax benefits |  |  |
U.S. tax impact of foreign operations | 102.50% | 1.00% | (53.40%)
Deferred tax assets, valuation allowance | $ 20,256,000 | $ 24,024,000 |
Increase (decrease) in valuation allowance, deferred tax asset | (3,800,000) |  |
Foreign tax and withholding credits | 13,300,000 | 14,572,000 |
Net operating losses | 7,730,000 | 13,755,000 |
Unrecognized tax benefits that would impact effective tax rate | 2,200,000 | 4,600,000 |
Unrecognized tax benefits, income tax penalties and interest accrued | 200,000 | 1,700,000 |
Unrecognized tax benefits, income tax penalties and interest expense period increase (decrease) | (200,000) | 200,000 |
Unrecognized tax benefits, increase in period | 200,000 | 900,000 | $ 1,400,000
Unrecognized tax benefits, income tax penalties and interest expense | 100,000 | 100,000 | 300,000
Income tax benefit resulting from lapse of applicable statute of limitations | 2,100,000 | $ 2,300,000 | $ 2,500,000
Commissions and transfer pricing | Minimum |  |  |
Anticipated change in unrecognized tax benefits |  |  |
Increase in unrecognized tax benefits within the next twelve months | 0 |  |
Commissions and transfer pricing | Maximum |  |  |
Anticipated change in unrecognized tax benefits |  |  |
Increase in unrecognized tax benefits within the next twelve months | 100,000 |  |
Audits or the expiration of statutes of limitations in various foreign jurisdictions | Minimum |  |  |
Anticipated change in unrecognized tax benefits |  |  |
Decrease in unrecognized tax benefits within the next twelve months | 0 |  |
Audits or the expiration of statutes of limitations in various foreign jurisdictions | Maximum |  |  |
Anticipated change in unrecognized tax benefits |  |  |
Decrease in unrecognized tax benefits within the next twelve months | 100,000 |  |
Domestic Tax Authority |  |  |
Anticipated change in unrecognized tax benefits |  |  |
Increase (decrease) in valuation allowance, deferred tax asset | (1,300,000) |  |
Foreign Tax Authority |  |  |
Anticipated change in unrecognized tax benefits |  |  |
Increase (decrease) in valuation allowance, deferred tax asset | (2,500,000) |  |
Foreign tax and withholding credits | $ 12,900,000 |  |

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