Revenue (Tables)

12 Months Ended

Dec. 31, 2020

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

Revenues disaggregated by revenue source were as follows:

(In thousands)		Year Ended December 31,
Electric revenues		2020		2019		2018
Residential	$	146,431	$	140,006	$	138,566
Commercial		198,043		213,265		204,683
Industrial		11,514		12,772		13,878
Other-retail/municipal		32,915		35,174		34,023
Total retail		388,903		401,217		391,150
Sales to the market		4,015		5,664		7,438
Other revenues		774		1,404		2,294
Total electric revenues		393,692		408,285		400,882
Gas revenues
Residential		88,765		95,146		94,017
Commercial/Industrial		49,682		59,051		59,060
Total retail		138,447		154,197		153,077
Gas transportation		5,713		5,293		4,283
Other revenues		101		385		407
Total gas revenues		144,261		159,875		157,767
Non-regulated energy revenues		680		695		1,119
Total Operating Revenue	$	538,633	$	568,855	$	559,768