Revenues (Tables)

9 Months Ended

Sep. 30, 2020

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 September 30, 2020								Nine months ended September 30, 2020
(in thousands)	Electric  utility		Bank		Other		Total		Electric  utility		Bank		Other		Total
Revenues from contracts with customers
Electric energy sales - residential	$	191,321	$	—	$	—	$	191,321	$	569,177	$	—	$	—	$	569,177
Electric energy sales - commercial	171,156		—		—		171,156		528,135		—		—		528,135
Electric energy sales - large light and power	176,200		—		—		176,200		568,887		—		—		568,887
Electric energy sales - other	1,935		—		—		1,935		7,172		—		—		7,172
Bank fees	—		9,589		—		9,589		—		28,356		—		28,356
Solar energy sales	—		—		211		211		—		—		240		240
Total revenues from contracts with customers	540,612		9,589		211		550,412		1,673,371		28,356		240		1,701,967
Revenues from other sources
Regulatory revenue	15,457		—		—		15,457		2,979		—		—		2,979
Bank interest and dividend income	—		59,640		—		59,640		—		184,444		—		184,444
Other bank noninterest income	—		9,415		—		9,415		—		20,296		—		20,296
Other	6,499		—		4		6,503		17,875		—		(3)		17,872
Total revenues from other sources	21,956		69,055		4		91,015		20,854		204,740		(3)		225,591
Total revenues	$	562,568	$	78,644	$	215	$	641,427	$	1,694,225	$	233,096	$	237	$	1,927,558
Timing of revenue recognition
Services/goods transferred at a point in time	$	—	$	9,589	$	—	$	9,589	$	—	$	28,356	$	—	$	28,356
Services/goods transferred over time	540,612		—		211		540,823		1,673,371		—		240		1,673,611
Total revenues from contracts with customers	$	540,612	$	9,589	$	211	$	550,412	$	1,673,371	$	28,356	$	240	$	1,701,967

	Three months ended September 30, 2019								Nine months ended September 30, 2019
(in thousands)	Electric  utility		Bank		Other		Total		Electric  utility		Bank		Other		Total
Revenues from contracts with customers
Electric energy sales - residential	$	230,051	$	—	$	—	$	230,051	$	601,664	$	—	$	—	$	601,664
Electric energy sales - commercial	230,411		—		—		230,411		635,097		—		—		635,097
Electric energy sales - large light and power	248,457		—		—		248,457		679,252		—		—		679,252
Electric energy sales - other	4,081		—		—		4,081		11,933		—		—		11,933
Bank fees	—		12,111		—		12,111		—		34,976		—		34,976
Total revenues from contracts with customers	713,000		12,111		—		725,111		1,927,946		34,976		—		1,962,922
Revenues from other sources
Regulatory revenue	(30,800)		—		—		(30,800)		(44,953)		—		—		(44,953)
Bank interest and dividend income	—		66,859		—		66,859		—		201,502		—		201,502
Other bank noninterest income	—		3,578		—		3,578		—		10,809		—		10,809
Other	6,130		—		4		6,134		17,616		—		86		17,702
Total revenues from other sources	(24,670)		70,437		4		45,771		(27,337)		212,311		86		185,060
Total revenues	$	688,330	$	82,548	$	4	$	770,882	$	1,900,609	$	247,287	$	86	$	2,147,982
Timing of revenue recognition
Services/goods transferred at a point in time	$	—	$	12,111	$	—	$	12,111	$	—	$	34,976	$	—	$	34,976
Services/goods transferred over time	713,000		—		—		713,000		1,927,946		—		—		1,927,946
Total revenues from contracts with customers	$	713,000	$	12,111	$	—	$	725,111	$	1,927,946	$	34,976	$	—	$	1,962,922