|
Income per Common Share of the Trust (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
|
3 Months Ended |
|
Mar. 31, 2015
|
Mar. 31, 2014
|
| Net Income (Loss) Available to Common Stockholders, Basic [Abstract] |
|
|
| Income from continuing operations net of noncontrolling interest |
$ 30,951 |
$ 25,179 |
| Discontinued operations net of noncontrolling interest |
0 |
46,721 |
| Net income available to common shareholders |
$ 30,951 |
$ 71,900 |
| Weighted Average Number of Shares Outstanding, Diluted [Abstract] |
|
|
| Weighted Average Number of Shares Outstanding, Basic |
148,315 |
146,425 |
| Dilutive shares for long-term compensation plans |
716 |
670 |
| Weighted Average Number of Shares Outstanding, Diluted |
149,031 |
147,095 |
| Common shares [Member] |
|
|
| Earnings Per Share, Basic [Abstract] |
|
|
| Income from Continuing Operations, Per Basic Share |
$ 0.21 |
$ 0.17 |
| Income from Discontinued Operations, Per Basic Share |
$ 0.00 |
$ 0.32 |
| Income per common share - basic |
$ 0.21 |
$ 0.49 |
| Earnings Per Share, Diluted [Abstract] |
|
|
| Income from Continuing Operations, Per Diluted Share |
$ 0.21 |
$ 0.17 |
| Income from Discontinued Operations, Per Diluted Share |
$ 0.00 |
$ 0.32 |
| Income per common share - diluted |
$ 0.21 |
$ 0.49 |