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Share-Based Compensation (Tables) | 3 Months Ended
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Mar. 31, 2017
Share-Based Compensation [Abstract] |
Components of Share-based Compensation Expense | Compensation expense consisted of the following:
| Three Months Ended March 31, |
| 2017 |  | 2016 |
Restricted shares and restricted share units |  | $ | 14 |  |  | $ | 4 |
Options |  |  | — |  |  |  | 1 |
Total compensation expense |  | $ | 14 |  |  | $ | 5 |
Summary of Activity for Restricted Shares | The following table presents a summary of activity for the three months ended March 31, 2017:
|  | Number of Shares |  |  | Weighted Average Grant Date Fair Value |
Outstanding, January 1, 2017 |  |  | 284,400 |  |  | $ | 6.09 |
Vested |  |  | (107,928 | ) |  |  | 8.00 |
Outstanding, March 31, 2017 |  |  | 176,472 |  |  | $ | 4.92 |
Expected to vest, March 31, 2017 |  |  | 176,472 |  |  | $ | 4.92 |
Summary of Activity for Restricted Share Units (RSUs) | The following table presents a summary of activity for the three months ended March 31, 2017:
|  | Number of Shares |  |  | Weighted Average Grant Date Fair Value |
Outstanding, January 1, 2017 |  |  | 5,587,331 |  |  | $ | 7.19 |
Granted |  |  | 2,531,246 |  |  |  | 17.72 |
Vested |  |  | (1,052,205 | ) |  |  | 8.74 |
Forfeited |  |  | (100,704 | ) |  |  | 13.54 |
Outstanding, March 31, 2017 |  |  | 6,965,668 |  |  | $ | 10.69 |
Expected to vest, March 31, 2017 |  |  | 7,539,300 |  |  | $ | 10.02 |
Summary of Activity for Options | The following table presents a summary of activity for the three months ended March 31, 2017:
|  | Number of Options |  |  | Weighted Average Exercise Price |  |  | Weighted Average Contractual Life (years) |  |  | Intrinsic Value |
Outstanding, January 1, 2017 |  |  | 1,970,481 |  |  | $ | 21.19 |  |  |  | 6.38 |  |  | $ | — |
Forfeited |  |  | (2,285 | ) |  |  | 21.98 |  |  |  |  |  |  |  |  |
Expired |  |  | (31,578 | ) |  |  | 22.44 |  |  |  |  |  |  |  |  |
Outstanding, March 31, 2017 |  |  | 1,936,618 |  |  | $ | 21.17 |  |  |  | 6.13 |  |  | $ | — |
Expected to vest, March 31, 2017 |  |  | 2,557 |  |  | $ | 27.26 |  |  |  | 7.48 |  |  | $ | — |
Exercisable, March 31, 2017 |  |  | 1,934,029 |  |  | $ | 21.16 |  |  |  | 6.13 |  |  | $ | — |

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- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock shares. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the amount of total share-based compensation cost, including the amounts attributable to each share-based compensation plan and any related tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock units. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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