INCOME TAXES AND RELATED PAYMENTS - Effective Tax Rate Reconciliation (Details)	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Income tax expense at federal statutory rate	21.00%	21.00%	35.00%
Income passed through	(20.96%)	(17.78%)	(31.61%)
State and local taxes, net of federal benefit	0.45%	0.55%	0.38%
Foreign taxes	1.07%	0.57%	0.23%
Other, net	0.86%	0.72%	0.05%
Deferred tax adjustment	0.00%	0.00%	19.76%
Total effective rate	2.42%	5.06%	23.81%

Effective Income Tax Rate Reconciliation, Income Passed Through

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Effective Income Tax Reconciliation, Deferred Tax Adjustment, 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 applicable to statutory income tax expense (benefit) outside of the country of domicile.

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