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v3.19.1

Revenues (Tables) | 3 Months Ended
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Mar. 31, 2019
Revenue from Contract with Customer [Abstract] |
Disaggregation of revenue | The following tables disaggregate revenues by major source, timing of revenue recognition, and segment:
|  | Three months ended March 31
|  | 2019 |  | 2018
(in thousands) |  | Electric utility |  | Bank |  | Other |  | Total |  | Electric utility |  | Bank |  | Other |  | Total
Revenues from contracts with customers |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Electric energy sales - residential |  | $ | 175,745 |  |  | $ | — |  |  | $ | — |  |  | $ | 175,745 |  |  | $ | 178,589 |  |  | $ | — |  |  | $ | — |  |  | $ | 178,589 |
Electric energy sales - commercial |  | 187,408 |  |  | — |  |  | — |  |  | 187,408 |  |  | 188,998 |  |  | — |  |  | — |  |  | 188,998 |
Electric energy sales - large light and power |  | 198,926 |  |  | — |  |  | — |  |  | 198,926 |  |  | 192,321 |  |  | — |  |  | — |  |  | 192,321 |
Electric energy sales - other |  | 4,078 |  |  | — |  |  | — |  |  | 4,078 |  |  | 4,060 |  |  | — |  |  | — |  |  | 4,060 |
Bank fees |  | — |  |  | 11,233 |  |  | — |  |  | 11,233 |  |  | — |  |  | 11,497 |  |  | — |  |  | 11,497 |
Total revenues from contracts with customers |  | 566,157 |  |  | 11,233 |  |  | — |  |  | 577,390 |  |  | 563,968 |  |  | 11,497 |  |  | — |  |  | 575,465 |
Revenues from other sources |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory revenue |  | 6,207 |  |  | — |  |  | — |  |  | 6,207 |  |  | 4,750 |  |  | — |  |  | — |  |  | 4,750 |
Bank interest and dividend income |  | — |  |  | 68,488 |  |  | — |  |  | 68,488 |  |  | — |  |  | 62,002 |  |  | — |  |  | 62,002 |
Other bank noninterest income |  | — |  |  | 3,331 |  |  | — |  |  | 3,331 |  |  | — |  |  | 1,920 |  |  | — |  |  | 1,920 |
Other |  | 6,131 |  |  | — |  |  | 68 |  |  | 6,199 |  |  | 1,709 |  |  | — |  |  | 28 |  |  | 1,737 |
Total revenues from other sources |  | 12,338 |  |  | 71,819 |  |  | 68 |  |  | 84,225 |  |  | 6,459 |  |  | 63,922 |  |  | 28 |  |  | 70,409 |
Total revenues |  | $ | 578,495 |  |  | $ | 83,052 |  |  | $ | 68 |  |  | $ | 661,615 |  |  | $ | 570,427 |  |  | $ | 75,419 |  |  | $ | 28 |  |  | $ | 645,874 |
Timing of revenue recognition |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Services/goods transferred at a point in time |  | $ | — |  |  | $ | 11,233 |  |  | $ | — |  |  | $ | 11,233 |  |  | $ | — |  |  | $ | 11,497 |  |  | $ | — |  |  | $ | 11,497 |
Services/goods transferred over time |  | 566,157 |  |  | — |  |  | — |  |  | 566,157 |  |  | 563,968 |  |  | — |  |  | — |  |  | 563,968 |
Total revenues from contracts with customers |  | $ | 566,157 |  |  | $ | 11,233 |  |  | $ | — |  |  | $ | 577,390 |  |  | $ | 563,968 |  |  | $ | 11,497 |  |  | $ | — |  |  | $ | 575,465 |

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045 + Details
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