Revenues (Tables)

6 Months Ended

Jun. 30, 2019

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, 2019										Six months ended June 30, 2019
(in thousands)	Electric  utility			Bank		Other		Total			Electric  utility			Bank		Other		Total
Revenues from contracts with customers
Electric energy sales - residential	$	195,868		$	—	$	—	$	195,868		$	371,613		$	—	$	—	$	371,613
Electric energy sales - commercial	217,278			—		—		217,278			404,686			—		—		404,686
Electric energy sales - large light and power	231,869			—		—		231,869			430,795			—		—		430,795
Electric energy sales - other	3,774			—		—		3,774			7,852			—		—		7,852
Bank fees	—			11,632		—		11,632			—			22,865		—		22,865
Total revenues from contracts with customers	648,789			11,632		—		660,421			1,214,946			22,865		—		1,237,811
Revenues from other sources
Regulatory revenue	(20,360		)	—		—		(20,360		)	(14,153		)	—		—		(14,153		)
Bank interest and dividend income	—			66,155		—		66,155			—			134,643		—		134,643
Other bank noninterest income	—			3,900		—		3,900			—			7,231		—		7,231
Other	5,355			—		14		5,369			11,486			—		82		11,568
Total revenues from other sources	(15,005		)	70,055		14		55,064			(2,667		)	141,874		82		139,289
Total revenues	$	633,784		$	81,687	$	14	$	715,485		$	1,212,279		$	164,739	$	82	$	1,377,100
Timing of revenue recognition
Services/goods transferred at a point in time	$	—		$	11,632	$	—	$	11,632		$	—		$	22,865	$	—	$	22,865
Services/goods transferred over time	648,789			—		—		648,789			1,214,946			—		—		1,214,946
Total revenues from contracts with customers	$	648,789		$	11,632	$	—	$	660,421		$	1,214,946		$	22,865	$	—	$	1,237,811

	Three months ended June 30, 2018										Six months ended June 30, 2018
(in thousands)	Electric  utility			Bank		Other		Total			Electric  utility		Bank		Other		Total
Revenues from contracts with customers
Electric energy sales - residential	$	185,217		$	—	$	—	$	185,217		$	363,806	$	—	$	—	$	363,806
Electric energy sales - commercial	206,169			—		—		206,169			395,167		—		—		395,167
Electric energy sales - large light and power	214,676			—		—		214,676			406,997		—		—		406,997
Electric energy sales - other	3,968			—		—		3,968			8,028		—		—		8,028
Bank fees	—			11,557		—		11,557			—		23,054		—		23,054
Total revenues from contracts with customers	610,030			11,557		—		621,587			1,173,998		23,054		—		1,197,052
Revenues from other sources
Regulatory revenue	(4,643		)	—		—		(4,643		)	107		—		—		107
Bank interest and dividend income	—			63,261		—		63,261			—		125,263		—		125,263
Other bank noninterest income	—			2,286		—		2,286			—		4,206		—		4,206
Other	2,739			—		47		2,786			4,448		—		75		4,523
Total revenues from other sources	(1,904		)	65,547		47		63,690			4,555		129,469		75		134,099
Total revenues	$	608,126		$	77,104	$	47	$	685,277		$	1,178,553	$	152,523	$	75	$	1,331,151
Timing of revenue recognition
Services/goods transferred at a point in time	$	751		$	11,557	$	—	$	12,308		$	1,548	$	23,054	$	—	$	24,602
Services/goods transferred over time	609,279			—		—		609,279			1,172,450		—		—		1,172,450
Total revenues from contracts with customers	$	610,030		$	11,557	$	—	$	621,587		$	1,173,998	$	23,054	$	—	$	1,197,052