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INCOME TAXES - Income Tax Reconciliation (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Reconciliation from the tax computed at statutory income tax rates to the Company's income tax expense |  |  |  |  |  |  |  |  |  |  |
Tax computed at statutory U.S. federal income tax rates |  |  |  |  |  |  |  |  | $ 11,286 | $ 16,644 | $ 15,782
Non-controlling interest |  |  |  |  |  |  |  |  | (1,114) | (2,887) | (2,893)
Foreign tax rate differential |  |  |  |  |  |  |  |  | (2,716) | (6,621) | (3,074)
Over (under) provided in prior periods |  |  |  |  |  |  |  |  | (4,683) | (18) | 1,069
Nondeductible expenses |  |  |  |  |  |  |  |  | 1,610 | 929 | 1,134
Goodwill Impairment |  |  |  |  |  |  |  |  |  |  | 2,622
Capitalized transactions costs |  |  |  |  |  |  |  |  | 62 | 53 | 3,138
Change in tax reserves |  |  |  |  |  |  |  |  | 10,657 | 4,433 | 2,561
State Taxes, net of federal benefit |  |  |  |  |  |  |  |  | 1,674 | 1,075 | 1,853
Change in valuation allowance |  |  |  |  |  |  |  |  | 1,539 | 6,137 | (7,292)
Foreign tax credit expiration |  |  |  |  |  |  |  |  |  |  | 4,179
Refund Claim for Domestic Production Deduction |  |  |  |  |  |  |  |  | 235 | (3,382) |
Tax Cuts and Jobs Act of 2017 |  |  |  |  |  |  |  |  | (148) | (10,639) |
Capital loss |  |  |  |  |  |  |  |  | 15 | (6,990) |
Other, net |  |  |  |  |  |  |  |  | 453 | (75) | 2,081
Total income tax expense (benefit) | $ 5,851 | $ 7,010 | $ 2,088 | $ 3,921 | $ (6,181) | $ (884) | $ 2,596 | $ 3,128 | $ 18,870 | $ (1,341) | $ 21,160

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