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OTHER INFORMATION (Detail) - USD ($) | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2019 | Mar. 31, 2018 | Apr. 08, 2019 | Dec. 31, 2018
Class of Stock [Line Items] |  |  |  |
Change in deferred income tax liabilities |  | $ 0 |  |
Preferred stock, shares issued | 0 |  |  | 0
Preferred stock, par value (in dollars per share) | $ 0.001 |  |  | $ 0.001
Preferred stock, par value $.001 per share, 150,000,000 shares authorized, no shares issued and outstanding | $ 0 |  |  | $ 0
iHeart Operations, Inc. | Series A Preferred Stock |  |  |  |
Class of Stock [Line Items] |  |  |  |
Covenant terms, amount of sale or transfer of assets that would trigger equity purchase | $ 100,000,000 |  |  |
Subsequent Event | iHeart Operations, Inc. | Series A Preferred Stock |  |  |  |
Class of Stock [Line Items] |  |  |  |
Preferred stock, shares issued |  |  | 60,000 |
Preferred stock, par value (in dollars per share) |  |  | $ 0.001 |
Preferred stock, liquidation preference |  |  | $ 60,000,000 |
Preferred stock, par value $.001 per share, 150,000,000 shares authorized, no shares issued and outstanding |  |  | $ 60,000,000 |
Subsequent Event | CCH | Series A Preferred Stock |  |  |  |
Class of Stock [Line Items] |  |  |  |
Preferred stock, shares issued |  |  | 45,000 |
Preferred stock, par value (in dollars per share) |  |  | $ 0.01 |
Preferred stock, liquidation preference |  |  | $ 45,000,000 |
Preferred stock, par value $.001 per share, 150,000,000 shares authorized, no shares issued and outstanding |  |  | $ 45,000,000 |
LIBOR | iHeart Operations, Inc. | Series A Preferred Stock |  |  |  |
Class of Stock [Line Items] |  |  |  |
Basis spread on variable rate | 2.00% |  |  |

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