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INCOME TAXES - Income Tax Reconciliation (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
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 |  |  |  |  |  |  |  |  | $ 1,275 | $ 11,286 | $ 16,644
Non-controlling interest |  |  |  |  |  |  |  |  | (648) | (1,114) | (2,887)
Foreign tax rate differential |  |  |  |  |  |  |  |  | (1,820) | (2,716) | (6,621)
Over (under) provided in prior periods |  |  |  |  |  |  |  |  | (244) | (4,683) | (18)
Nondeductible expenses |  |  |  |  |  |  |  |  | 3,781 | 1,610 | 929
Capitalized transactions costs |  |  |  |  |  |  |  |  | 19 | 62 | 53
Change in tax reserves |  |  |  |  |  |  |  |  | 3,883 | 10,657 | 4,433
State Taxes, net of federal benefit |  |  |  |  |  |  |  |  | (429) | 1,674 | 1,075
Change in valuation allowance |  |  |  |  |  |  |  |  | (35) | 1,539 | 6,137
Investment tax credit |  |  |  |  |  |  |  |  | (1,215) |  |
Refund Claim for Domestic Production Deduction |  |  |  |  |  |  |  |  |  | 235 | (3,382)
Tax Cuts and Jobs Act of 2017 |  |  |  |  |  |  |  |  |  | (148) | (10,639)
Capital loss |  |  |  |  |  |  |  |  |  | 15 | (6,990)
Deferred income tax revaluation |  |  |  |  |  |  |  |  | (513) |  |
Other, net |  |  |  |  |  |  |  |  | 51 | 453 | (75)
Total income tax expense (benefit) | $ 1,332 | $ 1,834 | $ (274) | $ 1,213 | $ 5,851 | $ 7,010 | $ 2,088 | $ 3,921 | $ 4,105 | $ 18,870 | $ (1,341)

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