INCOME TAXES - Narrative (Details) - USD ($)	Jun. 30, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
U.S. net tax operating loss carryforward		$ 1,377,700,000
Alternative minimum tax credit carryforward		3,000,000
Other tax credit carryforwards		$ 900,000
Unrecognized tax benefits that would impact the entity's effective rate	$ 0
Provisions for interest or penalties related to uncertain tax positions	$ 0

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible alternative minimum tax credit carryforwards.

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Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible tax credit carryforwards, classified as other.

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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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