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Shareholders' Equity (Tables) | 12 Months Ended
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Dec. 31, 2016
Equity [Abstract] |
Schedule of Dividend Declared | During 2016, 2015 and 2014, our Board declared the following quarterly cash dividends on our common stock:
Dividend Per Share |  | Record Date |  | Payment Date
$0.066 |  | December 16, 2016 |  | December 30, 2016
$0.066 |  | September 16, 2016 |  | September 30, 2016
$0.066 |  | June 18, 2016 |  | June 30, 2016
$0.066 |  | March 18, 2016 |  | March 31, 2016
$0.066 |  | December 16, 2015 |  | December 30, 2015
$0.066 |  | September 18, 2015 |  | September 30, 2015
$0.066 |  | June 12, 2015 |  | June 26, 2015
$0.066 |  | March 19, 2015 |  | March 31, 2015
$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
Summary of Stock Option | Information related to all stock options under the 2007 Plan and 1997 Plan for the years ended December 31, 2016, 2015 and 2014 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, 2015 |  |  | 1,877 |  |  | $ | 10.30 |  |  | 6.8 years |  |  |  |
Granted |  |  | 105 |  |  |  | 7.36 |  |  |  |  |  |  |
Forfeitures |  |  | (268 | ) |  |  | 11.91 |  |  |  |  |  |  |
Exercised |  |  | (195 | ) |  |  | 6.90 |  |  |  |  |  |  |
Outstanding at December 31, 2016 |  |  | 1,519 |  |  |  | 10.25 |  |  | 6.1 years |  | $ | 5,816 |
Exercisable at December 31, 2016 |  |  | 959 |  |  |  | 9.23 |  |  | 5.3 years |  | $ | 4,608 |
(Shares in thousands) |  | Shares |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Term |  | Aggregate Intrinsic Value ($000) |
Outstanding at December 31, 2014 |  |  | 1,727 |  |  | $ | 10.12 |  |  | 7.3 years |  |  |  |
Granted |  |  | 286 |  |  |  | 11.55 |  |  |  |  |  |  |
Forfeitures |  |  | (106 | ) |  |  | 12.31 |  |  |  |  |  |  |
Exercised |  |  | (30 | ) |  |  | 4.47 |  |  |  |  |  |  |
Outstanding at December 31, 2015 |  |  | 1,877 |  |  |  | 10.30 |  |  | 6.8 years |  | $ | 1,769 |
Exercisable at December 31, 2015 |  |  | 977 |  |  |  | 8.48 |  |  | 5.4 years |  | $ | 1,765 |
(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 |  |  | 7.3 years |  | $ | 9,390 |
Exercisable at December 31, 2014 |  |  | 655 |  |  |  | 5.02 |  |  | 5.8 years |  | $ | 5,332 |
Summary of Restricted Stock Awards | Information related to all restricted stock awards under the 2007 Plan for the years ended December 31, 2016 is shown in the table below. The fair value of restricted stock awards is based on the price of the stock in the open market on the date of the grant. The fair value of the restricted stock awards is recorded as compensation expense on a straight-line basis over the vesting periods of the awards adjusted for the Company’s estimate of pre-vesting forfeitures. The pre-vesting forfeiture estimate is based on historical activity and is reviewed periodically and updated as necessary.
(Shares in thousands) |  | Shares |  |  | Weighted Average Grant Date Fair Value |
Nonvested at December 31, 2015 |  |  | 322 |  |  | $ | 9.55 |
Granted |  |  | 267 |  |  |  | 9.76 |
Vested |  |  | (17 | ) |  |  | 10.24 |
Forfeited |  |  | (62 | ) |  |  | 9.61 |
Nonvested at December 31, 2016 |  |  | 510 |  |  |  | 9.64 |

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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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