Revenues (Tables)

3 Months Ended

Mar. 31, 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 March 31, 2022
(in thousands)	Electric  utility		Bank		Other		Total
Revenues from contracts with customers
Electric energy sales - residential	$	224,574	$	—	$	—	$	224,574
Electric energy sales - commercial	219,597		—		—		219,597
Electric energy sales - large light and power	241,123		—		—		241,123
Electric energy sales - other	1,426		—		—		1,426
Bank fees	—		12,996		—		12,996
Other sales	—		—		1,115		1,115
Total revenues from contracts with customers	686,720		12,996		1,115		700,831
Revenues from other sources
Regulatory revenue	$	12,886	$	—	$	—	$	12,886
Bank interest and dividend income	—		59,989		—		59,989
Other bank noninterest income	—		2,130		—		2,130
Other	9,186		—		46		9,232
Total revenues from other sources	22,072		62,119		46		84,237
Total revenues	$	708,792	$	75,115	$	1,161	$	785,068
Timing of revenue recognition
Services/goods transferred at a point in time	$	—	$	12,996	$	—	$	12,996
Services/goods transferred over time	686,720		—		1,115		687,835
Total revenues from contracts with customers	$	686,720	$	12,996	$	1,115	$	700,831

	Three months ended March 31, 2021
(in thousands)	Electric  utility		Bank		Other		Total
Revenues from contracts with customers
Electric energy sales - residential	$	181,239	$	—	$	—	$	181,239
Electric energy sales - commercial	168,465		—		—		168,465
Electric energy sales - large light and power	176,815		—		—		176,815
Electric energy sales - other	2,479		—		—		2,479
Bank fees	—		11,378		—		11,378
Other sales	—		—		924		924
Total revenues from contracts with customers	528,998		11,378		924		541,300
Revenues from other sources
Regulatory revenue	28,429		—		—		28,429
Bank interest and dividend income	—		58,620		—		58,620
Other bank noninterest income	—		7,133		—		7,133
Other	7,437		—		27		7,464
Total revenues from other sources	35,866		65,753		27		101,646
Total revenues	$	564,864	$	77,131	$	951	$	642,946
Timing of revenue recognition
Services/goods transferred at a point in time	$	—	$	11,378	$	—	$	11,378
Services/goods transferred over time	528,998		—		924		529,922
Total revenues from contracts with customers	$	528,998	$	11,378	$	924	$	541,300