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-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

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Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
Revenue (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Disaggregation of Revenue [Line Items]
Contract with Customer, Asset, before Allowance for Credit Loss	$ 287,796		$ 287,796		$ 298,984
REVENUE	438,684	$ 397,594	916,384	$ 805,395
Revenue from Contract with Customer, Including Assessed Tax	431,952	390,717	903,246	791,934
Retail Revenue [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	398,628	380,947	852,636	767,155
Other non-606 revenue	5,827	6,269	11,353	11,975
Wholesale Revenue [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	30,332	6,698	45,515	19,320
Miscellaneous revenue [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	2,992	3,072	5,095	5,459
Other non-606 revenue	905	608	1,785	1,486
RTO Capacity Revenue			845	0
Electricity [Member]
Disaggregation of Revenue [Line Items]
REVENUE	438,684	397,594	916,384	805,395
Utility \| Retail Revenue [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	2,462	2,812	5,912	4,991
Utility \| Retail Revenue [Member] \| Residential Revenue
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	163,268	158,899	382,983	339,868
Utility \| Retail Revenue [Member] \| Small Commercial and Industrial
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	63,218	61,031	137,470	123,745
Utility \| Retail Revenue [Member] \| Large Commercial and Industrial
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	167,066	156,008	320,980	293,528
Utility \| Retail Revenue [Member] \| Public Lighting
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	2,614	2,197	5,291	5,023
Transmission Revenue \| Miscellaneous revenue [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	2,411	3,072	$ 4,250	$ 5,459
RTO Capacity Revenue	$ 581	$ 0