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v3.10.0.1

Segment financial information (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017 | Dec. 31, 2017
Segment financial information |  |  |  |  |
Total revenues | $ 768,048 | $ 673,185 | $ 2,099,199 | $ 1,897,028 |
Income (loss) before income taxes | 77,233 | 95,139 | 190,091 | 206,347 |
Income taxes (benefit) | 10,862 | 34,595 | 36,473 | 72,003 |
Net income | 66,371 | 60,544 | 153,618 | 134,344 |
Preferred stock dividends of subsidiaries | 471 | 471 | 1,417 | 1,417 |
Net income for common stock | 65,900 | 60,073 | 152,201 | 132,927 |
Total assets | 12,911,554 |  | 12,911,554 |  | $ 12,534,160
Revenues from external customers |  |  |  |  |
Segment financial information |  |  |  |  |
Total revenues | 768,048 | 673,185 | 2,099,199 | 1,897,028 |
Intersegment revenues (eliminations) |  |  |  |  |
Segment financial information |  |  |  |  |
Total revenues | 0 | 0 | 0 | 0 |
Electric utility |  |  |  |  |
Segment financial information |  |  |  |  |
Total revenues | 687,409 | 598,769 | 1,865,962 | 1,674,255 |
Income (loss) before income taxes | 57,354 | 74,990 | 134,847 | 150,715 |
Income taxes (benefit) | 7,144 | 27,005 | 24,995 | 54,623 |
Net income | 50,210 | 47,985 | 109,852 | 96,092 |
Preferred stock dividends of subsidiaries | 498 | 498 | 1,496 | 1,496 |
Net income for common stock | 49,712 | 47,487 | 108,356 | 94,596 |
Total assets | 5,882,127 |  | 5,882,127 |  | 5,630,613
Electric utility | Revenues from external customers |  |  |  |  |
Segment financial information |  |  |  |  |
Total revenues | 687,396 | 598,756 | 1,865,922 | 1,674,158 |
Electric utility | Intersegment revenues (eliminations) |  |  |  |  |
Segment financial information |  |  |  |  |
Total revenues | 13 | 13 | 40 | 97 |
Bank |  |  |  |  |
Segment financial information |  |  |  |  |
Total revenues | 80,496 | 74,289 | 233,019 | 222,474 |
Income (loss) before income taxes | 26,831 | 26,764 | 77,845 | 75,720 |
Income taxes (benefit) | 5,610 | 9,172 | 17,103 | 25,582 |
Net income | 21,221 | 17,592 | 60,742 | 50,138 |
Preferred stock dividends of subsidiaries | 0 | 0 | 0 | 0 |
Net income for common stock | 21,221 | 17,592 | 60,742 | 50,138 |
Total assets | 6,929,456 |  | 6,929,456 |  | 6,798,659
Bank | Revenues from external customers |  |  |  |  |
Segment financial information |  |  |  |  |
Total revenues | 80,496 | 74,289 | 233,019 | 222,474 |
Bank | Intersegment revenues (eliminations) |  |  |  |  |
Segment financial information |  |  |  |  |
Total revenues | 0 | 0 | 0 | 0 |
Other |  |  |  |  |
Segment financial information |  |  |  |  |
Total revenues | 143 | 127 | 218 | 299 |
Income (loss) before income taxes | (6,952) | (6,615) | (22,601) | (20,088) |
Income taxes (benefit) | (1,892) | (1,582) | (5,625) | (8,202) |
Net income | (5,060) | (5,033) | (16,976) | (11,886) |
Preferred stock dividends of subsidiaries | (27) | (27) | (79) | (79) |
Net income for common stock | (5,033) | (5,006) | (16,897) | (11,807) |
Total assets | 99,971 |  | 99,971 |  | $ 104,888
Other | Revenues from external customers |  |  |  |  |
Segment financial information |  |  |  |  |
Total revenues | 156 | 140 | 258 | 396 |
Other | Intersegment revenues (eliminations) |  |  |  |  |
Segment financial information |  |  |  |  |
Total revenues | $ (13) | $ (13) | $ (40) | $ (97) |

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