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INCOME TAX (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Income Taxes [Line Items] |  |  |
Effective income tax rate | 15.00% | 23.70% |
Net operating losses | $ 14,360 |  |
Deferred tax assets, valuation allowance, percentage | 100.00% |  |
Operating Income Loss Carryforwards Year | 20 years |  |
Foreign Retained Earnings Before Application Of Tax | $ 22,380 | $ 27,300 |
Undistributed Earnings of Foreign Subsidiaries | 114,900 |  |
Federal income additional taxes | $ 23,220 |  |
Shanghai TCH [Member] |  |  |
Income Taxes [Line Items] |  |  |
Effective income tax rate | 25.00% | 25.00% |
Xian TCH [Member] |  |  |
Income Taxes [Line Items] |  |  |
Effective income tax rate |  |  | 15.00%
China [Member] |  |  |
Income Taxes [Line Items] |  |  |
Effective income tax rate | 25.00% |  |
Erdos TCH Zhonghong Huahong [Member] |  |  |
Income Taxes [Line Items] |  |  |
Effective income tax rate | 25.00% | 25.00% |

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