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Regulatory Matters - Rate Plans (Details) - USD ($) $ in Millions | 1 Months Ended
--- | ---
Oct. 31, 2021 | Sep. 30, 2021 | May 31, 2021
O&R | Electric and Gas Transmission Projects | Subsequent Event |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |
Rate proposal, period of rate plans | 3 years |  |
Recovery of late payment charges, period | 3 years |  |
Recovery of late payment charges, amount | $ 2.8 |  |
Recovery of late payment charges, return on equity threshold rate | 0.05% |  |
RECO | NJBPU | Electric | Subsidiaries |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |
Requested rate increase (decrease), amount |  |  | $ 16.9
Return on common equity (percent) |  |  | 1000.00%
Common equity ratio (percent) |  |  | 4925.00%
RECO | NJBPU | Electric | Subsidiaries | Subsequent Event |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |
Requested rate increase (decrease), amount | $ 19.5 |  |
Return on common equity (percent) | 10.00% |  |
Common equity ratio (percent) | 4884.00% |  |
RECO | NJBPU | Electric | Deferred storm costs | Subsidiaries |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |
Requested rate increase (decrease), amount |  | $ 3.7 | $ 1.0

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