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Regulatory Assets and Liabilities | 6 Months Ended
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Jun. 30, 2021
Regulated Operations [Abstract] |
Regulatory Assets and Liabilities | Regulatory Assets and Liabilities Regulatory assets and liabilities were comprised of the following as of June 30, 2021 and December 31, 2020:
| Recovery Period |  | June 30, 2021 |  | December 31, 2020
Regulatory Assets |  |  |  |  |
Pension and retiree group health | Indefinitely |  | $ | 59,259 |  |  | $ | 59,588 |
Property-related temporary differences (tax benefits flowed through to customers) | Indefinitely |  | 120,941 |  |  | 120,365 |
Other accrued benefits | Indefinitely |  | 22,933 |  |  | 21,692 |
Net WRAM and MCBA long-term accounts receivable | 1 - 2 years |  | 37,180 |  |  | 33,136 |
Asset retirement obligations, net | Indefinitely |  | 22,143 |  |  | 21,110 |
IRMA long-term accounts receivable | 1 year |  | 22,197 |  |  | 14,705 |
Tank coating | 10 years |  | 13,880 |  |  | 14,018 |
Recoverable property losses | 9 years |  | 4,187 |  |  | 4,531 |
PCBA | 1 year |  | 19,807 |  |  | 19,647 |
Other components of net periodic benefit cost | Indefinitely |  | 4,965 |  |  | 6,736 |
General district balancing account receivable | 1 year |  | 707 |  |  | 1,830 |
Low-income rate assistance (LIRA) and Rate support fund (RSF) accounts receivable | 1 year |  | 6,232 |  |  | 5,310 |
Other regulatory assets | Various |  | 2,701 |  |  | 2,708 |
Total Regulatory Assets |  |  | $ | 337,132 |  |  | $ | 325,376 |
Regulatory Liabilities |  |  |  |  |
Future tax benefits due to customers |  |  | $ | 151,453 |  |  | $ | 151,011 |
Retiree group health |  |  | 18,472 |  |  | 18,472 |
HCBA |  |  | 7,708 |  |  | 5,320 |
CEBA |  |  | 5,126 |  |  | 3,837 |
Net WRAM and MCBA long-term payable |  |  | 828 |  |  | 479 |
Other regulatory liabilities |  |  | 1,102 |  |  | 1,599 |
Total Regulatory Liabilities |  |  | $ | 184,689 |  |  | $ | 180,718 |
Short-term regulatory assets and liabilities are excluded from the above table. The short-term regulatory assets were $84.6 million as of June 30, 2021 and $96.2 million as of December 31, 2020. These short-term regulatory assets primarily consist of net WRAM and MCBA, IRMA, and PCBA receivables The short-term portions of regulatory liabilities were $24.8 million as of June 30, 2021 and $34.6 million as of December 31, 2020. The short-term regulatory liabilities as of June 30, 2021 and December 31, 2020 primarily consist of TCJA and HCBA refunds and TCP settlement proceeds

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- Definition The entire disclosure for public utilities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -URI http://asc.fasb.org/topic&trid=2156578 + Details
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