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Revenues (Tables)
6 Months Ended
Jun. 30, 2022
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 June 30, 2022Six months ended June 30, 2022
(in thousands) Electric  utilityBankOtherTotalElectric  utilityBankOtherTotal
Revenues from contracts with customers
Electric energy sales - residential
$259,433 $— $— $259,433 $484,007 $— $— $484,007 
Electric energy sales - commercial
264,701 — — 264,701 484,298 — — 484,298 
Electric energy sales - large light and power
293,847 — — 293,847 534,970 — — 534,970 
Electric energy sales - other 4,873 — — 4,873 6,299 — — 6,299 
Bank fees— 11,797 — 11,797 — 24,793 — 24,793 
Other sales— — 1,333 1,333 — — 2,448 2,448 
Total revenues from contracts with customers822,854 11,797 1,333 835,984 1,509,574 24,793 2,448 1,536,815 
Revenues from other sources
Regulatory revenue$(11,428)$— $— $(11,428)$1,458 $— $— $1,458 
Bank interest and dividend income
— 62,822 — 62,822 — 122,811 — 122,811 
Other bank noninterest income— 705 — 705 — 2,835 — 2,835 
Other7,447 — 77 7,524 16,633 — 123 16,756 
Total revenues from other sources(3,981)63,527 77 59,623 18,091 125,646 123 143,860 
Total revenues$818,873 $75,324 $1,410 $895,607 $1,527,665 $150,439 $2,571 $1,680,675 
Timing of revenue recognition
Services/goods transferred at a point in time
$— $11,797 $— $11,797 $— $24,793 $— $24,793 
Services/goods transferred over time
822,854 — 1,333 824,187 1,509,574 — 2,448 1,512,022 
Total revenues from contracts with customers$822,854 $11,797 $1,333 $835,984 $1,509,574 $24,793 $2,448 $1,536,815 
Three months ended June 30, 2021Six months ended June 30, 2021
(in thousands) Electric  utilityBankOtherTotalElectric  utilityBankOtherTotal
Revenues from contracts with customers
Electric energy sales - residential
$196,318 $— $— $196,318 $377,557 $— $— $377,557 
Electric energy sales - commercial
192,103 — — 192,103 360,568 — — 360,568 
Electric energy sales - large light and power
201,536 — — 201,536 378,351 — — 378,351 
Electric energy sales - other2,212 — — 2,212 4,691 — — 4,691 
Bank fees— 11,569 — 11,569 — 22,947 — 22,947 
Other sales— — 1,089 1,089 — — 2,013 2,013 
Total revenues from contracts with customers592,169 11,569 1,089 604,827 1,121,167 22,947 2,013 1,146,127 
Revenues from other sources
Regulatory revenue2,854 — — 2,854 31,283 — — 31,283 
Bank interest and dividend income
— 62,066 — 62,066 — 120,686 — 120,686 
Other bank noninterest income— 3,625 — 3,625 — 10,758 — 10,758 
Other6,856 — 29 6,885 14,293 — 56 14,349 
Total revenues from other sources9,710 65,691 29 75,430 45,576 131,444 56 177,076 
Total revenues$601,879 $77,260 $1,118 $680,257 $1,166,743 $154,391 $2,069 $1,323,203 
Timing of revenue recognition
Services/goods transferred at a point in time
$— $11,569 $— $11,569 $— $22,947 $— $22,947 
Services/goods transferred over time
592,169 — 1,089 593,258 1,121,167 — 2,013 1,123,180 
Total revenues from contracts with customers$592,169 $11,569 $1,089 $604,827 $1,121,167 $22,947 $2,013 $1,146,127