XML 35 R25.htm IDEA: XBRL DOCUMENT
v3.24.2.u1

Regulatory Assets and Liabilities (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2024
Regulated Operations [Abstract] |
Schedule of Regulatory Assets and Liabilities | Regulatory assets and liabilities were comprised of the following as of June 30, 2024 and December 31, 2023:
| Recovery Period |  | June 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 | 1 - 2 years |  | 92,065 |  |  | 3,430 |
MWRAM | 1 year |  | 38,566 |  |  | — |
Other accrued benefits | Indefinite |  | 26,917 |  |  | 25,363 |
Asset retirement obligations, net | Indefinite |  | 28,311 |  |  | 26,686 |
Tank coating | Various |  | 20,480 |  |  | 19,602 |
Customer assistance program (CAP) and Rate support fund (RSF) accounts receivable | 1 year |  | 10,015 |  |  | 2,459 |
Net WRAM and Modified Cost Balancing Account (MCBA) long-term accounts receivable | Various |  | 5,199 |  |  | 10,738 |
Pension Cost Balancing Account (PCBA) | Various |  | 4,829 |  |  | 4,182 |
Recoverable property losses | Various |  | 2,791 |  |  | 3,121 |
Other regulatory assets | Various |  | 9,839 |  |  | 3,554 |
Total Regulatory Assets |  |  | $ | 397,498 |  |  | $ | 257,621 |
Regulatory Liabilities |  |  |  |  |
Cost of removal |  |  | $ | 464,980 |  |  | $ | 447,356 |
Future tax benefits due to customers |  |  | 118,051 |  |  | 118,051 |
Pension and retiree group health |  |  | 102,120 |  |  | 88,728 |
Other components of net periodic benefit cost |  |  | 15,160 |  |  | 10,348 |
PCBA |  |  | 12,642 |  |  | 8,972 |
Incremental cost balancing account (ICBA) |  |  | 12,704 |  |  | — |
IRMA long-term regulatory liability |  |  | 8,032 |  |  | — |
Health Cost Balancing Account (HCBA) |  |  | 3,606 |  |  | 3,242 |
Net WRAM and MCBA long-term payable |  |  | 2,860 |  |  | 2,071 |
Conservation Expense Balancing Account |  |  | 1,058 |  |  | 1,200 |
RSF regulatory liability |  |  | — |  |  | 2,116 |
Other regulatory liabilities |  |  | 1,629 |  |  | 1,633 |
Total Regulatory Liabilities |  |  | $ | 742,842 |  |  | $ | 683,717 |

X
- Definition Tabular disclosure of detailed information about regulatory assets and liabilities. + References No definition available. + Details
Name: | cwt_ScheduleOfRegulatoryAssetsAndLiabilitiesTableTextBlock
Namespace Prefix: | cwt_
Data Type: | dtr-types1:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_RegulatedOperationsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration