REGULATORY DECISION AND RELATED ACCOUNTING AND POLICY CHANGES - Additional Information (Details) $ in Thousands				1 Months Ended	6 Months Ended	9 Months Ended	12 Months Ended
	Jul. 27, 2022 USD ($)	Jun. 30, 2022 USD ($)	Aug. 28, 2020 utility	Feb. 28, 2014	Jun. 30, 2022 USD ($)	Sep. 30, 2022 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2021 USD ($)
Public Utilities, General Disclosures [Line Items]
Number of utilities to adjust revenue requirement | utility			12
Percentage of regulated utilities			96.00%
Approved collective revenue increase	$ 2,200
Regulatory asset						$ 3,234		$ 2,336
Regulatory assets, amortization period					25 years
Decrease in regulatory liabilities		$ (800)					$ (3,400)
Write off of capitalized interest		300			$ 300
Percentage of hook up fee liability to be recorded on ICFA receipts				70.00%		70.00%
Percentage of deferred revenue to be recorded on ICFA receipts				30.00%
Remaining performance obligation						$ 20,900		19,000
Portion of future ICFA funds							0.30
Percentage reversal of regulatory liability							30.00%
Regulatory liability						6,460		$ 7,421
Regulatory liability, TCJA rate reduction						600
Acquisition Premiums
Public Utilities, General Disclosures [Line Items]
Regulatory asset		$ 800			800
ICFA revenues
Public Utilities, General Disclosures [Line Items]
Regulatory liability						7,900
Regulatory liability, offset of intangible assets						$ 5,900
Tax Cuts and Jobs Act
Public Utilities, General Disclosures [Line Items]
Decrease in regulatory liabilities					(800)
Reduction to income tax expense					700
Decrease in interest expense					$ 100