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INCOME TAXES - Schedule of Significant Components of Deferred Tax Liabilities and Assets (Detail) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Deferred tax liabilities: |  |
Intangibles and fixed assets | $ 1,167,903 | $ 1,285,330
Long-term debt | 259,324 | 0
Investments | 2,733 | 16,484
Other | 15,605 | 9,868
Total deferred tax liabilities | 1,445,565 | 1,311,682
Deferred tax assets: |  |
Accrued expenses | 101,207 | 105,823
Long-term debt | 0 | 49,767
Net operating loss carryforwards | 985,403 | 1,106,319
Interest expense carryforwards | 347,843 | 0
Bad debt reserves | 12,820 | 11,731
Other | 28,574 | 27,654
Total gross deferred tax assets | 1,475,847 | 1,301,294
Less: Valuation allowance | 1,010,223 | 952,337
Total deferred tax assets | 465,624 | 348,957
Net deferred tax liabilities | $ 979,941 | $ 962,725

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