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Shareholders' Equity (Tables) | 12 Months Ended
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Dec. 31, 2014
Equity [Abstract] |
Schedule of Dividend Declared | During 2014, 2013 and 2012, our Board declared the following quarterly cash dividends on our common stock:
Dividend Per Share |  | Record Date |  |  | Payment Date |
$0.060 |  |  | December 19, 2014 |  |  |  | December 30, 2014 |
$0.060 |  |  | September 16, 2014 |  |  |  | September 30, 2014 |
$0.060 |  |  | June 13, 2014 |  |  |  | June 27, 2014 |
$0.050 |  |  | March 19, 2014 |  |  |  | March 31, 2014 |
$0.050 |  |  | December 17, 2013 |  |  |  | December 31, 2013 |
$0.050 |  |  | September 16, 2013 |  |  |  | September 30, 2013 |
$0.050 |  |  | June 14, 2013 |  |  |  | June 28, 2013 |
$0.050 |  |  | March 18, 2013 |  |  |  | March 28, 2013 |
$0.045 |  |  | December 17, 2012 |  |  |  | December 31, 2012 |
$0.045 |  |  | September 16, 2012 |  |  |  | September 30, 2012 |
$0.035 |  |  | June 14, 2012 |  |  |  | June 28, 2012 |
$0.035 |  |  | March 18, 2012 |  |  |  | March 28, 2012 |
Summary of Stock Option | Information related to all stock options under the 2007 Plan and 1997 Plan for the years ended December 31, 2014, 2013 and 2012 is shown in the tables below:
(Shares in thousands) |  | Shares |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Term |  |  | Aggregate Intrinsic Value ($000) |
Outstanding at December 31, 2013 |  |  | 1,807 |  |  | $ | 9.05 |  |  |  | 7.7 years |  |  |  |  |
Granted |  |  | 280 |  |  |  | 13.78 |  |  |  |  |  |  |  |  |
Forfeitures |  |  | (121 | ) |  |  | 12.45 |  |  |  |  |  |  |  |  |
Exercised |  |  | (239 | ) |  |  | 5.18 |  |  |  |  |  |  |  |  |
Outstanding at December 31, 2014 |  |  | 1,727 |  |  |  | 10.12 |  |  |  | 8.2 years |  |  | $ | 9,390 |
Exercisable at December 31, 2014 |  |  | 655 |  |  |  | 5.02 |  |  |  | 5.8 years |  |  | $ | 5,332 |
(Shares in thousands) |  | Shares |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Term |  |  | Aggregate Intrinsic Value ($000) |
Outstanding at December 31, 2012 |  |  | 1,244 |  |  | $ | 5.18 |  |  |  | 6.8 years |  |  |  |  |
Granted |  |  | 923 |  |  |  | 12.72 |  |  |  |  |  |  |  |  |
Forfeitures |  |  | (44 | ) |  |  | 9.83 |  |  |  |  |  |  |  |  |
Exercised |  |  | (316 | ) |  |  | 4.41 |  |  |  |  |  |  |  |  |
Outstanding at December 31, 2013 |  |  | 1,807 |  |  |  | 9.05 |  |  |  | 7.7 years |  |  | $ | 12,830 |
Exercisable at December 31, 2013 |  |  | 557 |  |  |  | 5.76 |  |  |  | 5.2 years |  |  | $ | 5,786 |
(Shares in thousands) |  | Shares |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Term |  |  | Aggregate Intrinsic Value ($000) |
Outstanding at December 31, 2011 |  |  | 1,174 |  |  | $ | 4.74 |  |  |  | 7.3 years |  |  |  |  |
Granted |  |  | 163 |  |  |  | 7.96 |  |  |  |  |  |  |  |  |
Forfeitures |  |  | (52 | ) |  |  | 5.87 |  |  |  |  |  |  |  |  |
Exercised |  |  | (41 | ) |  |  | 5.95 |  |  |  |  |  |  |  |  |
Outstanding at December 31, 2012 |  |  | 1,244 |  |  |  | 5.18 |  |  |  | 6.8 years |  |  | $ | 6,198 |
Exercisable at December 31, 2012 |  |  | 614 |  |  |  | 5.36 |  |  |  | 5.9 years |  |  | $ | 3,086 |
Summary of Restricted Stock Awards | Information related to all restricted stock awards under the 2007 Plan for the year ended December 31, 2014 is shown in the table below. No restricted stock awards were outstanding during the years ended December 31, 2013 and 2012.
(Shares in thousands) |  | Shares |  |  | Weighted Average Grant Date Fair Value |
Nonvested at December 31, 2013 |  |  | — |  |  | $ | — |
Granted |  |  | 6 |  |  |  | 14.41 |
Vested |  |  | — |  |  |  | — |
Forfeited |  |  | — |  |  |  | — |
Nonvested at December 31, 2014 |  |  | 6 |  |  |  | 14.41 |

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- Definition Tabular disclosure of all or some of the information related to dividends declared, but not paid, as of the financial reporting date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + 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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