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Capitalization (Details) - USD ($) |  |  |  |  | 1 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | ---
May 31, 2024 | May 31, 2023 | Apr. 30, 2023 | Mar. 31, 2023 | Sep. 30, 2024 | Apr. 30, 2023 | May 31, 2022 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Jul. 31, 2023
Capitalization [Line Items] |  |  |  |  |  |  |  |  |  |  |
Investment plan |  |  |  |  |  |  |  | $ 700,000 |  |  |
Sale of stock units (in Shares) |  |  |  |  |  | 1,000,000 |  |  |  |  |
Preferred stock outstanding (in Shares) |  |  |  |  |  |  |  | 16,000 | 20,000 |  |
Convertible preferred stock no par value (in Dollars per share) |  |  |  |  |  |  |  | $ 7 |  |  |
Preferred stock converted into common shares (in Shares) |  |  |  |  |  |  |  | 51,300 |  |  |
SRF loan amount |  |  |  |  |  |  |  | $ 140,000,000 |  |  |
Expected maturity date |  |  |  |  | 2044 years |  |  |  |  |  |
Remaining availability of funds for borrowing |  |  |  |  |  |  |  | $ 117,000,000 |  |  |
Maturity date |  |  |  |  |  |  | Aug. 01, 2056 |  |  |  |
Long term debt term |  |  |  |  |  |  |  | 5 years |  |  |
Convertible preferred stock (in Dollars per share) |  |  |  |  |  |  |  | $ 7 |  |  |
Carrying amount |  |  |  |  |  |  |  | $ 129,602,000 | $ 133,374,000 |  |
Advances for construction carrying amount |  |  |  |  |  |  |  | 22,600,000 | $ 21,300,000 |  |
Long-Term Debt [Member] |  |  |  |  |  |  |  |  |  |  |
Capitalization [Line Items] |  |  |  |  |  |  |  |  |  |  |
Drawn amount |  |  |  |  |  |  |  | 4,900,000 |  |  |
SRF Loans [Member] |  |  |  |  |  |  |  |  |  |  |
Capitalization [Line Items] |  |  |  |  |  |  |  |  |  |  |
Drawn amount |  |  |  |  |  |  |  | $ 100,000 |  |  |
CoBank [Member] |  |  |  |  |  |  |  |  |  |  |
Capitalization [Line Items] |  |  |  |  |  |  |  |  |  |  |
Percentage of interest rate |  |  |  |  |  |  |  |  |  |  | 6.17%
All Long Term Debt [Member] |  |  |  |  |  |  |  |  |  |  |
Capitalization [Line Items] |  |  |  |  |  |  |  |  |  |  |
Weighted average interest rate |  |  |  |  |  |  |  | 3.64% | 3.65% |  |
Long-Term Debt [Member] |  |  |  |  |  |  |  |  |  |  |
Capitalization [Line Items] |  |  |  |  |  |  |  |  |  |  |
Carrying amount |  |  |  |  |  |  |  | $ 229,800,000 | $ 231,300,000 |  |
Delaware SRF Loans [Member] |  |  |  |  |  |  |  |  |  |  |
Capitalization [Line Items] |  |  |  |  |  |  |  |  |  |  |
Remaining availability of funds for borrowing |  |  |  |  |  |  |  | 8,300,000 |  |  |
Minimum [Member] |  |  |  |  |  |  |  |  |  |  |
Capitalization [Line Items] |  |  |  |  |  |  |  |  |  |  |
Percentage of interest rate |  |  |  |  |  |  | 2.70% |  |  |  |
Maximum [Member] |  |  |  |  |  |  |  |  |  |  |
Capitalization [Line Items] |  |  |  |  |  |  |  |  |  |  |
Percentage of interest rate |  |  |  |  |  |  | 3.00% |  |  |  |
New Jersey Infrastructure Bank [Member] |  |  |  |  |  |  |  |  |  |  |
Capitalization [Line Items] |  |  |  |  |  |  |  |  |  |  |
Drawn amount |  |  |  |  |  |  |  | $ 300,000,000 |  |  |
Tidewater [Member] |  |  |  |  |  |  |  |  |  |  |
Capitalization [Line Items] |  |  |  |  |  |  |  |  |  |  |
SRF loan amount | $ 5,600,000 |  |  |  |  |  |  |  |  |  |
Interest rates, percentage | 2.00% |  |  |  |  |  |  |  |  |  |
Percentage of interest rate |  |  | 2.00% |  |  | 2.00% |  |  |  |  |
Interest, percentage |  | 5.71% |  |  |  |  |  |  |  |  |
Borrowed loan |  |  | $ 6,900,000 |  |  |  |  |  |  |  |
Pinelands Water [Member] |  |  |  |  |  |  |  |  |  |  |
Capitalization [Line Items] |  |  |  |  |  |  |  |  |  |  |
Loan amount |  | $ 20,000,000 |  |  |  |  |  |  |  |  | $ 3,900,000
Pinelands Wastewater [Member] |  |  |  |  |  |  |  |  |  |  |
Capitalization [Line Items] |  |  |  |  |  |  |  |  |  |  |
Loan amount |  |  |  |  |  |  |  |  |  |  | $ 3,600,000
FMB [Member] |  |  |  |  |  |  |  |  |  |  |
Capitalization [Line Items] |  |  |  |  |  |  |  |  |  |  |
Mortgage amount issued |  |  |  |  |  |  | $ 52,200,000 |  |  |  |
Series 2022A [Member] |  |  |  |  |  |  |  |  |  |  |
Capitalization [Line Items] |  |  |  |  |  |  |  |  |  |  |
Mortgage amount designated |  |  |  |  |  |  | 16,200,000 |  |  |  |
Series 2022B [Member] |  |  |  |  |  |  |  |  |  |  |
Capitalization [Line Items] |  |  |  |  |  |  |  |  |  |  |
Mortgage amount designated |  |  |  |  |  |  | $ 36,000,000 |  |  |  |
Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |
Capitalization [Line Items] |  |  |  |  |  |  |  |  |  |  |
Granted shares (in Shares) |  |  |  |  |  |  |  | 7,570 | 4,608 | 2,664 |
Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |
Capitalization [Line Items] |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock |  |  |  |  |  |  |  | $ 400,000 |  |  |
Preferred stock authorized (in Shares) |  |  |  |  |  |  |  | 120,000 |  |  |
Preferred stock outstanding (in Shares) |  |  |  |  |  |  |  |  | 16,000 |  |
Preferred stock dividends |  |  |  |  |  |  |  |  |  |  |
Investment Plan 2024 [Member] | Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |
Capitalization [Line Items] |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock |  |  |  |  |  |  |  | $ 1,000,000 |  |  |
Outside Director Stock Compensation Plan [Member] |  |  |  |  |  |  |  |  |  |  |
Capitalization [Line Items] |  |  |  |  |  |  |  |  |  |  |
Maximum number of shares authorized for grant (in Shares) |  |  |  |  |  |  |  | 100,000 |  |  |
Shares remain available for future awards (in Shares) |  |  |  |  |  |  |  | 34,283 |  |  |
State Revolving Fund [Member] |  |  |  |  |  |  |  |  |  |  |
Capitalization [Line Items] |  |  |  |  |  |  |  |  |  |  |
Drawn amount |  |  |  |  |  |  |  | $ 1,700,000 |  |  |
SRF loan amount |  |  |  |  | $ 2,200,000 |  |  |  |  |  |
Interest rates, percentage |  |  |  |  | 0.00% |  |  |  |  |  |
Private Placement FMB [Member] |  |  |  |  |  |  |  |  |  |  |
Capitalization [Line Items] |  |  |  |  |  |  |  |  |  |  |
Interest, percentage |  |  |  | 5.24% |  |  |  |  |  |  |
Proceeds from private placement |  |  |  | $ 40,000,000 |  |  |  |  |  |  |
Convertible Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |
Capitalization [Line Items] |  |  |  |  |  |  |  |  |  |  |
Preferred stock outstanding (in Shares) |  |  |  |  |  |  |  | 5,000 | 10,000 |  |
Convertible preferred stock per shares (in Dollars per share) |  |  |  |  |  |  |  | $ 7 |  |  |
Issuance of common stock (in Shares) |  |  |  |  |  |  |  | 4,275 |  |  |
Outstanding convertible stock, percentage |  |  |  |  |  |  |  | 10.00% |  |  |

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