LONG-TERM DEBT - Schedule of Future Maturities of Long-term Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Debt Disclosure [Abstract]
2017	$ 343,450
2018	534,287
2019	8,304,297
2020	2,430,131
2021	4,060,007
Thereafter	4,982,780
Total	20,654,952
Original issue discount	167,000
Long-term debt fees	123,003	$ 147,983
14.0% Senior Notes Due 2021
Debt Instrument [Line Items]
Catch-up payments, 2018	24,800
Catch-up payments, 2019	64,700
Catch-up payments, 2020	$ 68,400

Debt Instrument, High Yield Discount Obligation Catch-Up Payments, Year Four

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Debt Instrument, High Yield Discount Obligation Catch-Up Payments, Year Three

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Debt Instrument, High Yield Discount Obligation Catch-Up Payments, Year Two

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount, after accumulated amortization, of debt discount (premium).

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Represents the aggregate of total long-term debt, including current maturities and short-term debt.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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