INCOME TAXES - Effective Income Tax Rate Reconciliation (Details)	3 Months Ended	6 Months Ended
Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Effective Income Tax Rate Reconciliation, Percent [Abstract]
U.S. federal statutory income tax rate	35.00%	35.00%	35.00%	35.00%
State and local income taxes net of federal benefit	(1.20%)	0.00%	0.20%	0.00%
Uncertain tax positions	0.00%	(0.50%)	0.10%	(1.40%)
Permanent book/tax differences	(10.00%)	0.00%	(10.70%)	0.00%
Change in tax rate	0.00%	0.00%	0.10%	0.00%
Non-controlling interest	(16.70%)	(35.00%)	(17.50%)	(35.00%)
Other	0.10%	0.00%	(0.20%)	0.00%
Effective tax rate	7.20%	(0.50%)	7.00%	(1.40%)

Effective Income Tax Rate Reconciliation, Permanent Differences

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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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-Publisher FASB

-Name Accounting Standards Codification

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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 noncontrolling interest income (loss) exempt from income taxes.

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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 state and local income tax expense (benefit), net of federal tax expense (benefit).

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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 income tax contingencies. Includes, but not limited to, domestic tax contingency, foreign tax contingency, state and local tax contingency, and other contingencies.

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