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STOCKHOLDERS' DEFICIT - Summary of Unvested Options and Changes (Detail) - USD ($) $ / shares in Units, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Options |  |  |
Granted (in shares) | 0 | 0 | 0
Parent Company |  |  |
Options |  |  |
Unvested at beginning of period (in shares) | 543,000 |  |
Granted (in shares) | 0 |  |
Vested (in shares) | 0 |  |
Forfeited (in shares) | (529,000) |  |
Unvested at end of period (in shares) | 14,000 | 543,000 |
Weighted Average Grant Date Fair Value |  |  |
Unvested at beginning of period (in dollars per share) | $ 19.61 |  |
Forfeited (in dollars per share) | 18.94 |  |
Unvested at end of period (in dollars per share) | $ 44.87 | $ 19.61 |
Total fair value of options vested | $ 0.0 | $ 0.0 | $ 0.2
CCOH |  |  |
Options |  |  |
Unvested at beginning of period (in shares) | 718,000 |  |
Granted (in shares) | 1,000 |  |
Vested (in shares) | (274,000) |  |
Forfeited (in shares) | (22,000) |  |
Unvested at end of period (in shares) | 423,000 | 718,000 |
Weighted Average Grant Date Fair Value |  |  |
Unvested at beginning of period (in dollars per share) | $ 4.19 |  |
Granted (in dollars per share) | 2.39 | $ 2.04 | $ 2.82
Vested (in dollars per share) | 4.28 |  |
Forfeited (in dollars per share) | 3.90 |  |
Unvested at end of period (in dollars per share) | $ 4.15 | $ 4.19 |
Total fair value of options vested | $ 1.2 | $ 1.6 | $ 2.7

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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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