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Share Based and Deferred Compensation (Tables) | 6 Months Ended
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Jun. 30, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Options Activity [Table Text Block] | Option activity as of June 30, 2014 and changes during the six months ended June 30, 2014 were as follows:
| Shares |  | Weighted Average Exercise Price |  | Weighted Average Remaining Contractual Term (in years) |  | Aggregate Intrinsic Value
Outstanding at January 1, 2014 | 2,983,569 |  |  | $ | 15.50 |  |  | 5.15 |  |  | $ | — |
Granted | — |  |  | $ | — |  |  | — |  |  | — |
Exercised | (60,127 | ) |  | $ | 11.80 |  |  | — |  |  | $ | 182,101 |
Canceled | (114,658 | ) |  | $ | 20.61 |  |  |  |  |
Outstanding at June 30, 2014 | 2,808,784 |  |  | $ | 15.37 |  |  | 4.67 |  |  | $ | 632,239 |
Vested/Exercisable at June 30, 2014 | 2,808,784 |  |  | $ | 15.37 |  |  | 4.67 |  |  | $ | 632,239 |
Company's Restricted Share Activity [Table Text Block] | The following table summarizes the Company’s restricted share activity for the six months ended June 30, 2014:
| Shares |  | Weighted Average Grant Date Fair value
Non-vested at January 1, 2014 | 563,713 |  |  | $ | 12.56 |
Granted | 229,119 |  |  | 14.47 |
Vested | (234,169 | ) |  | 13.44 |
Forfeited | (8,441 | ) |  | 12.36 |
Non-vested at June 30, 2014 | 550,222 |  |  | $ | 12.22 |
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block] |
Grant Date |  | Measurement Period Commencement Date |  | Measurement Period End Date |  | Fair Value of Units on Grant Date (in thousands) |  | Units Granted |  | Units Canceled |  | Units Vested (a) |  | Unvested Balance
3/1/2012 |  | 1/1/2012 |  | 12/31/2014 |  | $ | 4,273 |  |  | 265,222 |  |  | (38,959 | ) |  | (14,742 | ) |  | 211,521 |
2/25/2013 |  | 1/1/2013 |  | 12/31/2015 |  | 4,137 |  |  | 231,093 |  |  | (27,698 | ) |  |  |  | 203,395 |
3/11/2014 |  | 1/1/2014 |  | 12/31/2016 |  | 2,624 |  |  | 134,284 |  |  |  |  |  |  | 134,284 |
3/12/2014 |  | 1/1/2014 |  | 12/31/2016 |  | 1,225 |  |  | 61,720 |  |  |  |  |  |  | 61,720 |
(a) These RPSUs were settled upon the holder’s qualifying retirement in October 2012 after reaching age 57 and accumulating at least 15 years of service with the Company. Of the 14,742 RPSU's originally granted, 563 dividend equivalent rights were accrued at the time of qualifying retirement and the Company issued 30,610 shares in settlement of the RPSU's based on the Company’s total shareholder return-based performance achievement, as computed under the award agreement, on October 31, 2012 of 200%.

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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, aggregate intrinsic value (except for nonpublic entities), and weighted-average remaining contractual term for both performance-based awards (or share units) outstanding and performance-based awards (or share units) fully vested and expected to vest at the date of the latest statement of financial position. + 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 (e)(1) -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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