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DEBT, Lines of Credit (Details) |  |  |  | 1 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | ---
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 |  |

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