REGULATORY MATTERS (Regulatory Assets and Liabilities - Footnotes) (Details) - Income Taxes Recoverable (Payable) through Future Rates	Jun. 30, 2023
Minimum
Regulatory Assets [Line Items]
Amortization period	5 years
Maximum
Regulatory Assets [Line Items]
Amortization period	10 years

Amortization period for the recovery of regulatory asset, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

Name:	us-gaap_RegulatoryAssetAmortizationPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant