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Revenues (Tables) | 3 Months Ended
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Mar. 31, 2024
Revenue from Contract with Customer [Abstract] |
Schedule of Disaggregation of Revenue | The following tables disaggregate revenues by major source, timing of revenue recognition, and segment:
|  |  |  | Three months ended March 31, 2024
(in thousands) |  |  |  |  |  |  |  |  |  | Electric utility |  | Bank |  | Other |  | Total
Revenues from contracts with customers |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Electric energy sales - residential |  |  |  |  |  |  |  |  |  | $ | 241,522 |  |  | $ | — |  |  | $ | — |  |  | $ | 241,522 |
Electric energy sales - commercial |  |  |  |  |  |  |  |  |  | 241,768 |  |  | — |  |  | — |  |  | 241,768 |
Electric energy sales - large light and power |  |  |  |  |  |  |  |  |  | 271,087 |  |  | — |  |  | — |  |  | 271,087 |
Electric energy sales - other |  |  |  |  |  |  |  |  |  | 4,946 |  |  | — |  |  | — |  |  | 4,946 |
Bank fees |  |  |  |  |  |  |  |  |  | — |  |  | 12,515 |  |  | — |  |  | 12,515 |
Other sales |  |  |  |  |  |  |  |  |  | — |  |  | — |  |  | 3,306 |  |  | 3,306 |
Total revenues from contracts with customers |  |  |  |  |  |  |  |  |  | 759,323 |  |  | 12,515 |  |  | 3,306 |  |  | 775,144 |
Revenues from other sources |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory revenue |  |  |  |  |  |  |  |  |  | 21,190 |  |  | — |  |  | — |  |  | 21,190 |
Bank interest and dividend income |  |  |  |  |  |  |  |  |  | — |  |  | 87,935 |  |  | — |  |  | 87,935 |
Other bank noninterest income |  |  |  |  |  |  |  |  |  | — |  |  | 4,694 |  |  | — |  |  | 4,694 |
Other |  |  |  |  |  |  |  |  |  | 8,065 |  |  | — |  |  | 130 |  |  | 8,195 |
Total revenues from other sources |  |  |  |  |  |  |  |  |  | 29,255 |  |  | 92,629 |  |  | 130 |  |  | 122,014 |
Total revenues |  |  |  |  |  |  |  |  |  | $ | 788,578 |  |  | $ | 105,144 |  |  | $ | 3,436 |  |  | $ | 897,158 |
Timing of revenue recognition |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Services/goods transferred at a point in time |  |  |  |  |  |  |  |  |  | $ | — |  |  | $ | 12,515 |  |  | $ | — |  |  | $ | 12,515 |
Services/goods transferred over time |  |  |  |  |  |  |  |  |  | 759,323 |  |  | — |  |  | 3,306 |  |  | 762,629 |
Total revenues from contracts with customers |  |  |  |  |  |  |  |  |  | $ | 759,323 |  |  | $ | 12,515 |  |  | $ | 3,306 |  |  | $ | 775,144 |
|  |  |  | Three months ended March 31, 2023
(in thousands) |  |  |  |  |  |  |  |  |  | Electric utility |  | Bank |  | Other |  | Total
Revenues from contracts with customers |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Electric energy sales - residential |  |  |  |  |  |  |  |  |  | $ | 255,550 |  |  | $ | — |  |  | $ | — |  |  | $ | 255,550 |
Electric energy sales - commercial |  |  |  |  |  |  |  |  |  | 254,470 |  |  | — |  |  | — |  |  | 254,470 |
Electric energy sales - large light and power |  |  |  |  |  |  |  |  |  | 290,978 |  |  | — |  |  | — |  |  | 290,978 |
Electric energy sales - other |  |  |  |  |  |  |  |  |  | 5,457 |  |  | — |  |  | — |  |  | 5,457 |
Bank fees |  |  |  |  |  |  |  |  |  | — |  |  | 12,022 |  |  | — |  |  | 12,022 |
Other sales |  |  |  |  |  |  |  |  |  | — |  |  | — |  |  | 3,907 |  |  | 3,907 |
Total revenues from contracts with customers |  |  |  |  |  |  |  |  |  | 806,455 |  |  | 12,022 |  |  | 3,907 |  |  | 822,384 |
Revenues from other sources |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory revenue |  |  |  |  |  |  |  |  |  | 15,604 |  |  | — |  |  | — |  |  | 15,604 |
Bank interest and dividend income |  |  |  |  |  |  |  |  |  | — |  |  | 79,479 |  |  | — |  |  | 79,479 |
Other bank noninterest income |  |  |  |  |  |  |  |  |  | — |  |  | 2,356 |  |  | — |  |  | 2,356 |
Other |  |  |  |  |  |  |  |  |  | 8,302 |  |  | — |  |  | 112 |  |  | 8,414 |
Total revenues from other sources |  |  |  |  |  |  |  |  |  | 23,906 |  |  | 81,835 |  |  | 112 |  |  | 105,853 |
Total revenues |  |  |  |  |  |  |  |  |  | $ | 830,361 |  |  | $ | 93,857 |  |  | $ | 4,019 |  |  | $ | 928,237 |
Timing of revenue recognition |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Services/goods transferred at a point in time |  |  |  |  |  |  |  |  |  | $ | — |  |  | $ | 12,022 |  |  | $ | — |  |  | $ | 12,022 |
Services/goods transferred over time |  |  |  |  |  |  |  |  |  | 806,455 |  |  | — |  |  | 3,907 |  |  | 810,362 |
Total revenues from contracts with customers |  |  |  |  |  |  |  |  |  | $ | 806,455 |  |  | $ | 12,022 |  |  | $ | 3,907 |  |  | $ | 822,384 |

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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://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-5 + Details
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