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v3.3.0.814

Segment financial information (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2015 | Sep. 30, 2014 | Sep. 30, 2015 | Sep. 30, 2014 | Dec. 31, 2014
Segment financial information |  |  |  |  |
Total revenues | $ 717,176 | $ 867,096 | $ 1,978,950 | $ 2,449,502 |
Income (loss) before income taxes | 80,660 | 75,543 | 189,380 | 212,595 |
Income taxes (benefit) | 29,516 | 27,264 | 70,406 | 76,302 |
Net income | 51,144 | 48,279 | 118,974 | 136,293 |
Preferred stock dividends of subsidiaries | 471 | 471 | 1,417 | 1,417 |
Net income for common stock | 50,673 | 47,808 | 117,557 | 134,876 |
Assets | 11,573,466 |  | 11,573,466 |  | $ 11,185,142
Electric utility |  |  |  |  |
Segment financial information |  |  |  |  |
Total revenues | 648,127 | 803,565 | 1,779,732 | 2,262,056 |
Income (loss) before income taxes | 68,894 | 62,419 | 164,568 | 174,711 |
Income taxes (benefit) | 25,390 | 23,042 | 60,351 | 64,686 |
Net income | 43,504 | 39,377 | 104,217 | 110,025 |
Preferred stock dividends of subsidiaries | 498 | 498 | 1,496 | 1,496 |
Net income for common stock | 43,006 | 38,879 | 102,721 | 108,529 |
Assets | 5,683,992 |  | 5,683,992 |  | 5,590,457
Bank |  |  |  |  |
Segment financial information |  |  |  |  |
Total revenues | 69,091 | 63,536 | 199,222 | 187,771 |
Income (loss) before income taxes | 20,802 | 20,506 | 61,159 | 60,994 |
Income taxes (benefit) | 7,351 | 7,253 | 21,382 | 21,806 |
Net income | 13,451 | 13,253 | 39,777 | 39,188 |
Net income for common stock | 13,451 | 13,253 | 39,777 | 39,188 |
Assets | 5,855,497 |  | 5,855,497 |  | 5,566,222
Other |  |  |  |  |
Segment financial information |  |  |  |  |
Total revenues | (42) | (5) | (4) | (325) |
Income (loss) before income taxes | (9,036) | (7,382) | (36,347) | (23,110) |
Income taxes (benefit) | (3,225) | (3,031) | (11,327) | (10,190) |
Net income | (5,811) | (4,351) | (25,020) | (12,920) |
Preferred stock dividends of subsidiaries | (27) | (27) | (79) | (79) |
Net income for common stock | (5,784) | (4,324) | (24,941) | (12,841) |
Assets | 33,977 |  | 33,977 |  | $ 28,463
Revenues from external customers |  |  |  |  |
Segment financial information |  |  |  |  |
Total revenues | 717,176 | 867,096 | 1,978,950 | 2,449,502 |
Revenues from external customers | Electric utility |  |  |  |  |
Segment financial information |  |  |  |  |
Total revenues | 648,121 | 803,559 | 1,779,708 | 2,262,038 |
Revenues from external customers | Bank |  |  |  |  |
Segment financial information |  |  |  |  |
Total revenues | 69,091 | 63,536 | 199,222 | 187,771 |
Revenues from external customers | Other |  |  |  |  |
Segment financial information |  |  |  |  |
Total revenues | (36) | 1 | 20 | (307) |
Intersegment revenues (eliminations) | Electric utility |  |  |  |  |
Segment financial information |  |  |  |  |
Total revenues | 6 | 6 | 24 | 18 |
Intersegment revenues (eliminations) | Other |  |  |  |  |
Segment financial information |  |  |  |  |
Total revenues | $ (6) | $ (6) | $ (24) | $ (18) |

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