REGULATORY ENVIRONMENT - 2024 UMERC RATE ORDER (Details) - MPSC - UMERC - Subsequent event $ in Millions	Oct. 10, 2024 USD ($)
Public Utilities, General Disclosures [Line Items]
Approved rate increase	$ 6.6
Approved rate increase (as a percent)	8.20%
Approved return on equity (as a percent)	9.86%
Approved common equity component average (as a percent)	50.00%