INCOME TAXES - Income Tax Reconciliation (Details)	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
US federal statutory tax rate	21.00%	21.00%	35.00%
US federal statutory tax rate change	0.000	0.000	1.159
State income taxes - net of federal benefit	(0.50%)	2.40%	(10.10%)
Valuation allowance	(13.40%)	0.00%	0.00%
Changes in uncertain tax positions	0.00%	14.70%	(8.80%)
Non-deductible expenses	(3.50%)	(7.50%)	(5.60%)
Other, net	(0.70%)	(0.30%)	0.00%
Effective income tax rate	2.90%	30.30%	126.40%

Effective Income Tax Rate Reconciliation, Uncertain Tax Position, Percent

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage 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 changes in the valuation allowance for deferred tax assets.

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Percentage of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operations, attributable to Tax Cuts and Jobs Act.

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