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v3.21.2

Employee Benefit Plans: (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Components of Net Periodic Benefits Cost: |  |  |  |
Increase (Decrease) in Regulatory Assets and Liabilities |  |  | $ (8,802) | $ (6,995)
GOLDEN STATE WATER COMPANY |  |  |  |
Components of Net Periodic Benefits Cost: |  |  |  |
Increase (Decrease) in Regulatory Assets and Liabilities |  |  | (8,489) | (6,995)
Pension Benefits |  |  |  |
Components of Net Periodic Benefits Cost: |  |  |  |
Service cost | $ 1,625 | $ 1,372 | 3,250 | 2,780
Interest cost | 1,712 | 1,986 | 3,424 | 3,940
Expected return on plan assets | (3,134) | (2,950) | (6,268) | (5,900)
Amortization of prior service cost | 109 | 109 | 218 | 218
Amortization of actuarial (gain) loss | 993 | 526 | 1,986 | 968
Net periodic benefits costs under accounting standards | 1,305 | 1,043 | 2,610 | 2,006
Increase (Decrease) in Regulatory Assets and Liabilities | (351) | (148) | (702) | (241)
Defined Benefit Plan, Net Periodic Benefit Cost before Allocation to Overhead Pool | 954 | 895 | 1,908 | 1,765
Expected contributions in current fiscal year | 3,500 |  | 3,500 |
Pension Benefits | GOLDEN STATE WATER COMPANY |  |  |  |
Components of Net Periodic Benefits Cost: |  |  |  |
Regulatory adjustment — deferred | (315) |  | (315) |
Pension Benefits | Bear Valley Electric Service, Inc. |  |  |  |
Components of Net Periodic Benefits Cost: |  |  |  |
Regulatory adjustment — deferred | (102) |  | (102) |
Other Postretirement Benefits |  |  |  |
Components of Net Periodic Benefits Cost: |  |  |  |
Service cost | 40 | 47 | 80 | 94
Interest cost | 31 | 56 | 62 | 112
Expected return on plan assets | (134) | (127) | (268) | (254)
Amortization of prior service cost | 0 | 0 | 0 | 0
Amortization of actuarial (gain) loss | (287) | (199) | (574) | (398)
Net periodic benefits costs under accounting standards | (350) | (223) | (700) | (446)
Increase (Decrease) in Regulatory Assets and Liabilities | 0 | 0 | 0 | 0
Defined Benefit Plan, Net Periodic Benefit Cost before Allocation to Overhead Pool | (350) | (223) | (700) | (446)
SERP |  |  |  |
Components of Net Periodic Benefits Cost: |  |  |  |
Service cost | 348 | 244 | 696 | 488
Interest cost | 229 | 247 | 458 | 494
Expected return on plan assets | 0 | 0 | 0 | 0
Amortization of prior service cost | 0 | 0 | 0 | 0
Amortization of actuarial (gain) loss | 419 | 211 | 838 | 422
Net periodic benefits costs under accounting standards | 996 | 702 | 1,992 | 1,404
Increase (Decrease) in Regulatory Assets and Liabilities | 0 | 0 | 0 | 0
Defined Benefit Plan, Net Periodic Benefit Cost before Allocation to Overhead Pool | 996 | 702 | 1,992 | 1,404
Water Service Utility Operations [Member] | Pension Benefits | GOLDEN STATE WATER COMPANY |  |  |  |
Components of Net Periodic Benefits Cost: |  |  |  |
Increase (Decrease) in Regulatory Assets and Liabilities | $ (351) | $ (148) | $ (702) | $ (241)

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