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INCOME TAXES - Schedule of Significant Components of Deferred Tax Liabilities and Assets (Detail) - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Deferred tax liabilities: |  |
Intangibles and fixed assets | $ 1,281,995 | $ 2,018,159
Long-term debt | 0 | 37,205
Investments | 16,484 | 0
Other | 9,868 | 10,159
Total deferred tax liabilities | 1,308,347 | 2,065,523
Deferred tax assets: |  |
Accrued expenses | 105,823 | 155,037
Long-term debt | 49,767 | 0
Investments | 0 | 5,458
Net operating loss carryforwards | 1,106,319 | 1,384,175
Bad debt reserves | 11,731 | 10,137
Other | 27,654 | 43,545
Total gross deferred tax assets | 1,301,294 | 1,598,352
Less: Valuation allowance | 952,337 | 989,924
Total deferred tax assets | 348,957 | 608,428
Net deferred tax liabilities | $ 959,390 | $ 1,457,095

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