INCOME TAXES INCOME TAXES (Reconciliation to U.S. Statutory Rate) (Details)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income Tax Disclosure [Abstract]
Statutory U.S. federal income tax rate	35.00%	35.00%	35.00%
Effective Income Tax Rate Reconciliation, Deduction, Qualified Production Activity, Percent	0.00%	14.00%	0.60%
Effective Income Tax Rate Reconciliation, Tax Contingency, Percent	(0.40%)	(45.60%)	1.90%
Effective Income Tax Rate Reconciliation, Tax Contingency, Domestic, Percent	(1.10%)	(12.30%)	(0.60%)
Effective Income Tax Rate Reconciliation, Tax Cuts and Jobs Act of 2017, Percent	29.40%	0.00%	0.00%
Effective Income Tax Rate Reconciliation, Deferred Intercompany Gain, Percent	11.40%	0.00%	0.00%
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent	2.20%	(24.60%)	(0.90%)
Effective Income Tax Rate Reconciliation, Other Adjustments, Percent	(0.60%)	5.40%	0.20%
Effective Income Tax Rate Reconciliation, Percent	75.90%	(56.10%)	35.00%