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COMMITMENTS AND CONTINGENCIES (Details) gal in Millions | 1 Months Ended | 12 Months Ended
--- | --- | ---
Apr. 30, 2021 USD ($) | Dec. 31, 2021 USD ($) a gal / d gal Agreement | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($)
Summary of minimum annual payments related to easement agreements [Abstract] |  |  |  |
2022 |  | $ 29,000 |  |
2023 |  | 24,000 |  |
2024 |  | 24,000 |  |
2025 |  | 24,000 |  |
2026 |  | 25,000 |  |
2027 through 2043 |  | 1,334,000 |  |
Total |  | 1,460,000 |  |
Summary of minimum annual purchase commitments for all interconnection agreements [Abstract] |  |  |  |
2022 |  | 1,518,000 |  |
2023 |  | 759,000 |  |
2024 |  | 730,000 |  |
2025 |  | 702,000 |  |
2026 |  | 701,000 |  |
Total |  | 4,410,000 |  |
Expenses for purchased water |  | $ 4,300,000 | $ 4,300,000 | $ 4,200,000
Artesian Water [Member] |  |  |  |
Interconnections [Abstract] |  |  |  |
Number of water service interconnection agreements | Agreement |  | 2 |  |
Number of expired water service interconnection agreements | Agreement |  | 1 |  |
Term of renewal for water service interconnection agreements |  | 5 years |  |
Multiplier to estimate minimum purchase requirements for the year | gal |  | 3 |  |
Minimum purchase requirements of water | gal / d |  | 0.5 |  |
Other Commitments [Abstract] |  |  |  |
Agreement period | 3 years | 3 years |  |
Commitment amount | $ 1,200,000 | $ 1,300,000 | 100,000 |
Tank painting expense |  | 222,000 | 155,000 | 447,000
Summary of other commitment [Abstract] |  |  |  |
2022 |  | 4,820,000 |  |
2023 |  | 8,430,000 |  |
2024 |  | 2,420,000 |  |
Total |  | $ 15,670,000 |  |
Artesian Water Pennsylvania [Member] |  |  |  |
Easements [Abstract] |  |  |  |
Easement agreement period |  | 40 years |  |
Easement payments |  | $ 42,000 | 41,000 | 40,000
Summary of minimum annual payments related to easement agreements [Abstract] |  |  |  |
2022 |  | 59,000 |  |
2023 |  | 38,000 |  |
2024 |  | 39,000 |  |
2025 |  | 40,000 |  |
2026 |  | 41,000 |  |
2027 through 2043 |  | 825,000 |  |
Total |  | $ 1,042,000 |  |
Artesian Wastewater [Member] |  |  |  |
Easements [Abstract] |  |  |  |
Area of land use as per perpetual agreement (in acres) | a |  | 460 |  |
Minimum rentals payment per year |  | $ 40,000 |  |
Termination Period |  | 180 days |  |
Rental payments |  | $ 65,000 | $ 44,000 | $ 44,000
Artesian Water Maryland [Member] |  |  |  |
Interconnections [Abstract] |  |  |  |
Number of water service interconnection agreements | Agreement |  | 1 |  |
Minimum purchase requirements of water | gal / d |  | 35,000 |  |

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