Revenues (Tables)

9 Months Ended

Sep. 30, 2021

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, 2021								Nine months ended September 30, 2021
(in thousands)	Electric  utility		Bank		Other		Total		Electric  utility		Bank		Other		Total
Revenues from contracts with customers
Electric energy sales - residential	$	228,878	$	—	$	—	$	228,878	$	606,435	$	—	$	—	$	606,435
Electric energy sales - commercial	217,468		—		—		217,468		578,036		—		—		578,036
Electric energy sales - large light and power	229,129		—		—		229,129		607,480		—		—		607,480
Electric energy sales - other	2,779		—		—		2,779		7,470		—		—		7,470
Bank fees	—		11,186		—		11,186		—		34,133		—		34,133
Other sales	—		—		1,178		1,178		—		—		3,191		3,191
Total revenues from contracts with customers	678,254		11,186		1,178		690,618		1,799,421		34,133		3,191		1,836,745
Revenues from other sources
Regulatory revenue	$	(5,717)	$	—	$	—	$	(5,717)	$	25,566	$	—	$	—	$	25,566
Bank interest and dividend income	—		61,441		—		61,441		—		182,127		—		182,127
Other bank noninterest income	—		3,581		—		3,581		—		14,339		—		14,339
Other	6,962		—		19		6,981		21,255		—		75		21,330
Total revenues from other sources	1,245		65,022		19		66,286		46,821		196,466		75		243,362
Total revenues	$	679,499	$	76,208	$	1,197	$	756,904	$	1,846,242	$	230,599	$	3,266	$	2,080,107
Timing of revenue recognition
Services/goods transferred at a point in time	$	—	$	11,186	$	—	$	11,186	$	—	$	34,133	$	—	$	34,133
Services/goods transferred over time	678,254		—		1,178		679,432		1,799,421		—		3,191		1,802,612
Total revenues from contracts with customers	$	678,254	$	11,186	$	1,178	$	690,618	$	1,799,421	$	34,133	$	3,191	$	1,836,745

	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
Other 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