REGULATORY ENVIRONMENT - UMERC 2024 RATE CASE (Details) - MPSC - UMERC $ in Millions	May 01, 2024 USD ($)
Public Utilities, General Disclosures [Line Items]
Requested rate increase	$ 11.2
Requested rate increase (as a percent)	13.80%
Requested return on equity (as a percent)	10.25%
Requested common equity component average (as a percent)	50.00%