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Share-Based Compensation (Tables) | 9 Months Ended
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Sep. 30, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of stock-based compensation, activity | Table 14.1 shows the number of shares granted to employees and the weighted average fair value per share during the periods presented (shares in thousands).
| Table | 14.1 |  |  |  |  |  |  |
Restricted stock grants |  |  | Nine months ended September 30,
|  | 2018 |  | 2017
|  |  | Shares Granted |  | Weighted Average Share Fair Value |  | Shares Granted |  | Weighted Average Share Fair Value
| RSUs subject to performance conditions | 1,239 |  |  | $ | 15.80 |  |  | 1,237 |  |  | $ | 10.41 |
| RSUs subject only to service conditions | 447 |  |  | 15.39 |  |  | 395 |  |  | 10.41 |

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- Definition Tabular disclosure for share-based compensation plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + 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=96867065&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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