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Share Based and Deferred Compensation (Tables) | 3 Months Ended
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Mar. 31, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block] | The Compensation Committee of the Parent Company’s Board of Trustees granted share-based awards to the Parent Company's officers referred to as Restricted Performance Share Units , or RPSU's, in accordance with the following schedule;
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) Units were issued in accordance with our qualifying retirement provision, meaning the recipient’s voluntary termination of employment after reaching age 57 and accumulating at least 15 years of service with the Company. Of the 14,742 shares originally granted, 563 dividend equivalent rights were accrued at the time of retirement and 30,610 shares were issued based on our TSR (Total Shareholder Return) Percentile at October 31, 2012 of 200%.
Options Activity [Table Text Block] | Option activity as of March 31, 2014 and changes during the three months ended March 31, 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 |  |  | 4.92 |  |  | $ | — |
Granted | — |  |  | $ | — |  |  | — |  |  | — |
Exercised | — |  |  | $ | — |  |  | — |  |  |
Canceled | — |  |  | $ | — |  |  |  |  |
Outstanding at March 31, 2014 | 2,983,569 |  |  | $ | 15.50 |  |  | 4.92 |  |  | $ | — |
Vested/Exercisable at March 31, 2014 | 2,983,569 |  |  | $ | 15.50 |  |  | 4.92 |  |  | $ | — |
Company's Restricted Share Activity [Table Text Block] | The following table summarizes the Company’s restricted share activity for the three months ended March 31, 2014:
| Shares |  | Weighted Average Grant Date Fair value
Non-vested at January 1, 2014 | 563,713 |  |  | $ | 12.56 |
Granted | 201,435 |  |  | 14.37 |
Vested | (70,548 | ) |  | 16.82 |
Forfeited | (6,696 | ) |  | 11.84 |
Non-vested at March 31, 2014 | 687,904 |  |  | $ | 12.66 |

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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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