REGULATORY ENVIRONMENT - 2024 MGU RATE CASE (Details) - MPSC - MGU $ in Millions	Mar. 01, 2024 USD ($)
Public Utilities, General Disclosures [Line Items]
Requested rate increase	$ 17.6
Requested rate increase (as a percent)	9.70%
Requested return on equity (as a percent)	10.25%
Requested common equity component average (as a percent)	50.90%