XML 35 R26.htm IDEA: XBRL DOCUMENT
v3.23.1

Regulatory Assets and Liabilities (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2023
Regulated Operations [Abstract] |
Schedule of Regulatory Assets and Liabilities | Regulatory assets and liabilities were comprised of the following as of March 31, 2023 and December 31, 2022:
| Recovery Period |  | March 31, 2023 |  | December 31, 2022
Regulatory Assets |  |  |  |  |
Retiree group health | Indefinitely |  | $ | — |  |  | $ | 171 |
Property-related temporary differences (tax benefits flowed through to customers) | Indefinitely |  | 143,546 |  |  | 143,546 |
Other accrued benefits | Indefinitely |  | 25,974 |  |  | 24,946 |
Net WRAM and MCBA long-term accounts receivable | Various |  | 49,243 |  |  | 41,558 |
Asset retirement obligations, net | Indefinitely |  | 25,335 |  |  | 24,548 |
Interim rates memorandum account (IRMA) long-term accounts receivable | 1 - 2 years |  | 3,533 |  |  | 3,682 |
Tank coating | Various |  | 16,507 |  |  | 16,395 |
Recoverable property losses | Various |  | 2,998 |  |  | 3,144 |
PCBA | Various |  | 19,233 |  |  | 19,091 |
General district balancing account receivable | 1 year |  | 383 |  |  | 377 |
Customer assistance program (CAP) and Rate support fund (RSF) accounts receivable | 1 year |  | 3,402 |  |  | 2,965 |
Other regulatory assets | Various |  | 3,109 |  |  | 3,197 |
Total Regulatory Assets |  |  | $ | 293,263 |  |  | $ | 283,620 |
Regulatory Liabilities |  |  |  |  |
Future tax benefits due to customers |  |  | $ | 131,155 |  |  | $ | 131,155 |
Pension and retiree group health |  |  | 58,678 |  |  | 58,678 |
HCBA |  |  | 15,312 |  |  | 14,318 |
PCBA |  |  | 1,999 |  |  | — |
CEBA |  |  | 860 |  |  | 6,036 |
Net WRAM and MCBA long-term payable |  |  | 262 |  |  | 172 |
Other components of net periodic benefit cost |  |  | 4,059 |  |  | 2,475 |
Other regulatory liabilities |  |  | 1,025 |  |  | 845 |
Total Regulatory Liabilities |  |  | $ | 213,350 |  |  | $ | 213,679 |

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-types: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