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Equity (Tables) | 9 Months Ended
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Sep. 30, 2016
Equity [Abstract] |
Treasury Stock | The following table shows the number of shares withheld for taxes and the associated value of those shares for the nine-month periods ended September 30, 2016 and 2015. These shares were accounted for as treasury stock when withheld and then immediately retired.
|  | Nine Months Ended September 30,
|  | 2016 |  | 2015
|  | (In thousands)
Number of shares withheld for taxes |  | 1,122 |  |  | 1,699 |
Value of shares withheld for taxes |  | $ | 44 |  |  | $ | 2,347 |

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- Definition Tabular disclosure of treasury stock, including, but not limited to, average cost per share, description of share repurchase program, shares repurchased, shares held for each class of treasury stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23315-112656 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23285-112656 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23309-112656 + Details
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