Commitments and Contingent Liabilities (Details) $ in Millions |
3 Months Ended | |
|---|---|---|
|
Mar. 31, 2025
USD ($)
gal
l
|
Mar. 31, 2024
USD ($)
|
|
| Commitments and Contingent Liabilities [Line Items] | ||
| Average purchase of gallons | l | 47 | |
| Estimated incremental borrowing rate | 4.03% | |
| Operating leases, lease expense | $ | $ 0.2 | $ 0.2 |
| Estimated obligation expenditure | $ | $ 20.0 | |
| Purchase Commitment [Member] | ||
| Commitments and Contingent Liabilities [Line Items] | ||
| Purchase commitment expiration date of contract | Nov. 30, 2048 | |
| Water Supply [Member] | ||
| Commitments and Contingent Liabilities [Line Items] | ||
| Average purchase of gallons | gal | 27,000,000 | |
| NJBPU-Regulated Water [Member] | ||
| Commitments and Contingent Liabilities [Line Items] | ||
| Purchase commitment expiration date of contract | Feb. 27, 2026 | |
| Average purchase of gallons | l | 3 | |
| Treated Water [Member] | ||
| Commitments and Contingent Liabilities [Line Items] | ||
| Average purchase of gallons | gal | 75,000,000 | |