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EARNINGS PER COMMON SHARE (TABLES) | 6 Months Ended
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Jun. 30, 2014
Earnings Per Share [Abstract] |
BASIC AND DILUTED EARNINGS PER COMMON SHARE [Table Text Block] |
|  | Three months ended June 30, |  | Six months ended June 30, |
|  | 2014 |  | 2013 |  | 2014 |  | 2013 |
| Basic earnings per common share |  |  |  |  |  |  |  |
| Net income | $ | 202,259 |  |  | $ | 83,725 |  |  | $ | 350,729 |  |  | $ | 395,280 |  |
| Less: noncontrolling interests | 1,573 |  |  | — |  |  | 2,795 |  |  | — |  |
| Less: preferred shares dividends | 10,022 |  |  | 8,197 |  |  | 20,044 |  |  | 16,938 |  |
| Less: loss on repurchase of preferred shares | — |  |  | 3,081 |  |  | — |  |  | 3,081 |  |
| Net income available to common shareholders | 190,664 |  |  | 72,447 |  |  | 327,890 |  |  | 375,261 |  |
| Weighted average common shares outstanding - basic | 105,118 |  |  | 115,163 |  |  | 107,075 |  |  | 116,088 |  |
| Basic earnings per common share | $ | 1.81 |  |  | $ | 0.63 |  |  | $ | 3.06 |  |  | $ | 3.23 |  |
| Diluted earnings per common share |  |  |  |  |  |  |  |
| Net income available to common shareholders | $ | 190,664 |  |  | $ | 72,447 |  |  | $ | 327,890 |  |  | $ | 375,261 |  |
| Weighted average common shares outstanding - basic | 105,118 |  |  | 115,163 |  |  | 107,075 |  |  | 116,088 |  |
| Stock compensation plans | 1,171 |  |  | 1,508 |  |  | 1,254 |  |  | 1,572 |  |
| Weighted average common shares outstanding - diluted | 106,289 |  |  | 116,671 |  |  | 108,329 |  |  | 117,660 |  |
| Diluted earnings per common share | $ | 1.79 |  |  | $ | 0.62 |  |  | $ | 3.03 |  |  | $ | 3.19 |  |
| Anti-dilutive shares excluded from the dilutive computation | 73 |  |  | 35 |  |  | 562 |  |  | 473 |  |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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