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v3.20.2

Segment financial information (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Sep. 30, 2020 | Sep. 30, 2019 | Jan. 01, 2020 | Dec. 31, 2019
Segment financial information |  |  |  |  |  |  |  |  |  |
Revenues | $ 641,427 |  |  | $ 770,882 |  |  | $ 1,927,558 | $ 2,147,982 |  |
Income (loss) before income taxes | 79,521 |  |  | 78,693 |  |  | 179,447 | 189,426 |  |
Income taxes (benefit) | 14,018 |  |  | 14,803 |  |  | 30,691 | 36,390 |  |
Net income | 65,503 |  |  | 63,890 |  |  | 148,756 | 153,036 |  |
Preferred stock dividends of subsidiaries | 471 |  |  | 471 |  |  | 1,417 | 1,417 |  |
Net income for common stock | 65,032 | $ 48,887 | $ 33,420 | 63,419 | $ 42,512 | $ 45,688 | 147,339 | 151,619 |  |
Total assets | 14,542,361 |  |  |  |  |  | 14,542,361 |  | $ 13,745,251 | $ 13,745,251
Revenues from external customers |  |  |  |  |  |  |  |  |  |
Segment financial information |  |  |  |  |  |  |  |  |  |
Revenues | 641,427 |  |  | 770,882 |  |  | 1,927,558 | 2,147,982 |  |
Intersegment revenues (eliminations) |  |  |  |  |  |  |  |  |  |
Segment financial information |  |  |  |  |  |  |  |  |  |
Revenues | 0 |  |  | 0 |  |  | 0 | 0 |  |
Electric utility |  |  |  |  |  |  |  |  |  |
Segment financial information |  |  |  |  |  |  |  |  |  |
Revenues | 562,568 |  |  | 688,330 |  |  | 1,694,225 | 1,900,609 |  |
Income (loss) before income taxes | 74,398 |  |  | 58,099 |  |  | 157,111 | 140,775 |  |
Income taxes (benefit) | 13,835 |  |  | 10,822 |  |  | 29,316 | 27,800 |  |
Net income | 60,563 |  |  | 47,277 |  |  | 127,795 | 112,975 |  |
Preferred stock dividends of subsidiaries | 498 |  |  | 498 |  |  | 1,496 | 1,496 |  |
Net income for common stock | 60,065 |  |  | 46,779 |  |  | 126,299 | 111,479 |  |
Total assets | 6,322,304 |  |  |  |  |  | 6,322,304 |  |  | 6,388,682
Electric utility | Revenues from external customers |  |  |  |  |  |  |  |  |  |
Segment financial information |  |  |  |  |  |  |  |  |  |
Revenues | 562,559 |  |  | 688,299 |  |  | 1,694,195 | 1,900,552 |  |
Electric utility | Intersegment revenues (eliminations) |  |  |  |  |  |  |  |  |  |
Segment financial information |  |  |  |  |  |  |  |  |  |
Revenues | 9 |  |  | 31 |  |  | 30 | 57 |  |
Bank |  |  |  |  |  |  |  |  |  |
Segment financial information |  |  |  |  |  |  |  |  |  |
Revenues | 78,644 |  |  | 82,548 |  |  | 233,096 | 247,287 |  |
Income (loss) before income taxes | 15,027 |  |  | 29,157 |  |  | 51,330 | 76,611 |  |
Income taxes (benefit) | 2,877 |  |  | 6,269 |  |  | 9,405 | 15,868 |  |
Net income | 12,150 |  |  | 22,888 |  |  | 41,925 | 60,743 |  |
Preferred stock dividends of subsidiaries | 0 |  |  | 0 |  |  | 0 | 0 |  |
Net income for common stock | 12,150 |  |  | 22,888 |  |  | 41,925 | 60,743 |  |
Total assets | 8,075,745 |  |  |  |  |  | 8,075,745 |  |  | 7,233,017
Bank | Revenues from external customers |  |  |  |  |  |  |  |  |  |
Segment financial information |  |  |  |  |  |  |  |  |  |
Revenues | 78,644 |  |  | 82,548 |  |  | 233,096 | 247,287 |  |
Bank | Intersegment revenues (eliminations) |  |  |  |  |  |  |  |  |  |
Segment financial information |  |  |  |  |  |  |  |  |  |
Revenues | 0 |  |  | 0 |  |  | 0 | 0 |  |
Other |  |  |  |  |  |  |  |  |  |
Segment financial information |  |  |  |  |  |  |  |  |  |
Revenues | 215 |  |  | 4 |  |  | 237 | 86 |  |
Income (loss) before income taxes | (9,904) |  |  | (8,563) |  |  | (28,994) | (27,960) |  |
Income taxes (benefit) | (2,694) |  |  | (2,288) |  |  | (8,030) | (7,278) |  |
Net income | (7,210) |  |  | (6,275) |  |  | (20,964) | (20,682) |  |
Preferred stock dividends of subsidiaries | (27) |  |  | (27) |  |  | (79) | (79) |  |
Net income for common stock | (7,183) |  |  | (6,248) |  |  | (20,885) | (20,603) |  |
Total assets | 144,312 |  |  |  |  |  | 144,312 |  |  | $ 123,552
Other | Revenues from external customers |  |  |  |  |  |  |  |  |  |
Segment financial information |  |  |  |  |  |  |  |  |  |
Revenues | 224 |  |  | 35 |  |  | 267 | 143 |  |
Other | Intersegment revenues (eliminations) |  |  |  |  |  |  |  |  |  |
Segment financial information |  |  |  |  |  |  |  |  |  |
Revenues | $ (9) |  |  | $ (31) |  |  | $ (30) | $ (57) |  |

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