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Regulatory Assets and Liabilities (Tables) | 9 Months Ended
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Sep. 30, 2024
Regulated Operations [Abstract] |
Schedule of Regulatory Assets and Liabilities | Regulatory assets and liabilities were comprised of the following as of September 30, 2024 and December 31, 2023:
| Recovery Period |  | September 30, 2024 |  | December 31, 2023
Regulatory Assets |  |  |  |  |
Property-related temporary differences (tax benefits flowed through to customers) | Indefinite |  | $ | 158,486 |  |  | $ | 158,486 |
IRMA long-term accounts receivable | Various |  | 49,505 |  |  | 3,430 |
Asset retirement obligations, net | Indefinite |  | 29,134 |  |  | 26,686 |
Other accrued benefits | Indefinite |  | 26,663 |  |  | 25,363 |
Tank coating | Various |  | 21,345 |  |  | 19,602 |
MWRAM | 1 - 2 years |  | 14,253 |  |  | — |
General district balancing account | 1 year |  | 10,945 |  |  | 390 |
Customer assistance program (CAP) and Rate support fund (RSF) accounts receivable | 1 year |  | 9,056 |  |  | 2,459 |
Incremental cost balancing account (ICBA) | 1 year |  | 9,479 |  |  | — |
Net WRAM and modified cost balancing account (MCBA) long-term accounts receivable | Various |  | 4,216 |  |  | 10,738 |
Pension cost balancing account (PCBA) | Various |  | — |  |  | 4,182 |
Recoverable property losses | Various |  | 2,625 |  |  | 3,121 |
Other regulatory assets | Various |  | 4,712 |  |  | 3,164 |
Total Regulatory Assets |  |  | $ | 340,419 |  |  | $ | 257,621 |
Regulatory Liabilities |  |  |  |  |
Cost of removal |  |  | $ | 474,264 |  |  | $ | 447,356 |
Future tax benefits due to customers |  |  | 109,491 |  |  | 118,051 |
Pension and retiree group health |  |  | 101,984 |  |  | 88,728 |
Other components of net periodic benefit cost |  |  | 16,952 |  |  | 10,348 |
PCBA |  |  | 14,085 |  |  | 8,972 |
ICBA |  |  | 6,517 |  |  | — |
Health cost balancing account (HCBA) |  |  | 3,979 |  |  | 3,242 |
Net WRAM and MCBA long-term payable |  |  | 2,967 |  |  | 2,071 |
Conservation Expense Balancing Account |  |  | 2,828 |  |  | 1,200 |
RSF regulatory liability |  |  | — |  |  | 2,116 |
Other regulatory liabilities |  |  | 1,858 |  |  | 1,633 |
Total Regulatory Liabilities |  |  | $ | 734,925 |  |  | $ | 683,717 |

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- References No definition available. + Details
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