XML 125 R114.htm IDEA: XBRL DOCUMENT v3.22.2.2
REGULATORY ENVIRONMENT - 2023 MINNESOTA RATE CASE (Details) - Minnesota Public Utilities Commission (MPUC) - MERC - Subsequent event
$ in Millions
Nov. 01, 2022
USD ($)
Public Utilities, General Disclosures [Line Items]  
Requested rate increase $ 40.3
Requested rate increase (as a percent) 9.90%
Requested return on equity (as a percent) 10.30%
Requested common equity component average (as a percent) 53.00%
Requested interim rate increase $ 37.0