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SUMMARY OF SIGNIFICANT ACCOUNTING AND BUSINESS POLICIES - Out-of-Period Items (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |  |  |
Canadian acquisition deferred tax liability true up | $ (2,200) | $ 0 | $ (2,180) | $ 0

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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign acquisition deferred tax liability pursuant to Tax Cuts and Jobs Act of 2017. + References No definition available. + Details
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- References No definition available. + Details
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