One-time additional cash patronage distribution.

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Additional cash patronage distribution refund rate.

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Annual patronage refund rate

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Rate of the fee that accompanies borrowing money under the debt instrument.

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'Term of interest rate that fluctuates over time as a result of an underlying benchmark interest rate or index, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Debt instrument interest rate for funds borrowed, under the debt agreement.

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Number of financing agreements entered into by the entity.

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Number of notes issued in connection with financing agreements.

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Amount earned by the Company for patronage refunds.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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No definition available.

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Description of reference rate used for variable rate of debt instrument.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

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Amount of unused borrowing capacity under the long-term financing arrangement that is available to the entity as of the balance sheet date.

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Weighted average interest rate of debt outstanding.

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Date the credit facility terminates, in YYYY-MM-DD format.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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DEBT, Lines of Credit (Details)				1 Months Ended	12 Months Ended
DEBT, Lines of Credit (Details)	Dec. 09, 2022 USD ($) Agreement	Aug. 12, 2022 USD ($) Agreement Notes	May 20, 2022	Oct. 31, 2022	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Apr. 29, 2022 USD ($)
Line of Credit Facility [Abstract]
Borrowings					$ 177,622,000	$ 144,850,000
Artesian Water [Member]
Line of Credit Facility [Abstract]
Weighted average interest rate paid on the lines of credit					3.04%
Citizens Bank [Member] \| Artesian Resources [Member]
Line of Credit Facility [Abstract]
Line of credit					$ 40,000,000
Available funds under this line of credit					$ 26,900,000
Expiration date of line of credit					May 21, 2023
Citizens Bank [Member] \| LIBOR [Member] \| Artesian Resources [Member]
Line of Credit Facility [Abstract]
Variable rate for credit facility					LIBOR
Interest rate					1.00%
Citizens Bank [Member] \| SOFR [Member]
Line of Credit Facility [Abstract]
Interest rate			0.10%
Citizens Bank [Member] \| SOFR [Member] \| Artesian Resources [Member]
Line of Credit Facility [Abstract]
Term of variable rate					1 month
Variable rate for credit facility					SOFR
Citizens Bank [Member] \| Term SOFR [Member] \| Artesian Resources [Member]
Line of Credit Facility [Abstract]
Interest rate			0.85%
Citizens Bank [Member] \| Term SOFR [Member] \| Artesian Resources [Member] \| Minimum [Member]
Line of Credit Facility [Abstract]
Debt instrument variable rate percentage			0.00%
CoBank [Member] \| Artesian Resources [Member]
Line of Credit Facility [Abstract]
Line of credit					$ 20,000,000
Available funds under this line of credit					$ 12,900,000
CoBank [Member] \| Artesian Water [Member]
Line of Credit Facility [Abstract]
Maturity date					Apr. 30, 2047
Principal amount							$ 30,000,000
Expiration date of line of credit					Oct. 29, 2023
Interest rate							4.43%
Patronage refunds					$ 1,300,000	1,200,000
Additional cash patronage distribution					$ 233,000	$ 226,000
Additional cash patronage distribution, refund rate					0.16%	0.165%
Annual patronage refund rate					0.80%	0.80%
CoBank [Member] \| Artesian Water Maryland [Member]
Line of Credit Facility [Abstract]
Line of credit					$ 10,000,000
CoBank [Member] \| LIBOR [Member] \| Artesian Water [Member]
Line of Credit Facility [Abstract]
Variable rate for credit facility					LIBOR
Interest rate					1.50%
CoBank [Member] \| SOFR [Member] \| Artesian Water [Member]
Line of Credit Facility [Abstract]
Interest rate				1.45%
CoBank [Member] \| Term SOFR [Member] \| Artesian Water [Member]
Line of Credit Facility [Abstract]
Interest rate				1.45%
CoBank [Member] \| Term SOFR [Member] \| Artesian Water [Member] \| Minimum [Member]
Line of Credit Facility [Abstract]
Term of variable rate					1 month
CoBank [Member] \| Term SOFR [Member] \| Artesian Water [Member] \| Maximum [Member]
Line of Credit Facility [Abstract]
Term of variable rate					3 months
Delaware Drinking Water State Revolving Fund [Member] \| Artesian Water [Member]
Line of Credit Facility [Abstract]
Number of financing agreements \| Agreement	3	3
Number of general obligation notes issued \| Notes		3
Interest rate	1.00%	1.00%
Fee rate	0.01	0.01
Delaware Drinking Water State Revolving Fund [Member] \| Financing Agreement One [Member] \| Artesian Water [Member]
Line of Credit Facility [Abstract]
Maturity date	Jun. 01, 2043	Feb. 01, 2043
Delaware Drinking Water State Revolving Fund [Member] \| Financing Agreement One [Member] \| Artesian Water [Member] \| Maximum [Member]
Line of Credit Facility [Abstract]
Advance from financing agreements	$ 901,170	$ 966,000
Delaware Drinking Water State Revolving Fund [Member] \| Financing Agreement Two [Member] \| Artesian Water [Member]
Line of Credit Facility [Abstract]
Maturity date	Jun. 01, 2043	Feb. 01, 2043
Delaware Drinking Water State Revolving Fund [Member] \| Financing Agreement Two [Member] \| Artesian Water [Member] \| Maximum [Member]
Line of Credit Facility [Abstract]
Advance from financing agreements	$ 1,042,695	$ 1,167,000
Delaware Drinking Water State Revolving Fund [Member] \| Financing Agreement Three [Member] \| Artesian Water [Member]
Line of Credit Facility [Abstract]
Maturity date	Dec. 01, 2043	Feb. 01, 2043
Delaware Drinking Water State Revolving Fund [Member] \| Financing Agreement Three [Member] \| Artesian Water [Member] \| Maximum [Member]
Line of Credit Facility [Abstract]
Advance from financing agreements	$ 1,050,000	$ 3,200,000
Delaware Drinking Water State Revolving Fund [Member] \| Loans [Member] \| Artesian Water [Member]
Line of Credit Facility [Abstract]
Borrowings					$ 1,800,000
Delaware Drinking Water State Revolving Fund [Member] \| Loans [Member] \| Artesian Water [Member]
Line of Credit Facility [Abstract]
Borrowings					$ 1,000,000