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Regulatory Matters - Public Utilities General Disclosures (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Revenue accounts: |  |  |  |
Beginning Balance | $ 4,984 | $ 13,220 | $ 18,451 | $ 10,043
Regulatory Asset Increase (Decrease) | 5,831 | 760 | 9,757 | 3,931
Refunds (Collections) Adjustments | (8,708) | 0 | (26,101) | 6
Ending Balance | 2,107 | 13,980 | 2,107 | 13,980
Cost-recovery accounts: |  |  |  |
Beginning Balance | 19,788 | 18,097 | 19,883 | 15,420
Regulatory Asset Increase (Decrease) | 794 | 1,321 | 865 | 4,177
Refunds (Collections) Adjustments | (106) | (121) | (272) | (300)
Ending Balance | 20,476 | 19,297 | 20,476 | 19,297
Total |  |  |  |
Beginning Balance | 24,772 | 31,317 | 38,334 | 25,463
Regulatory Asset Increase (Decrease) | 6,625 | 2,081 | 10,622 | 8,108
Refunds (Collections) Adjustments | (8,814) | (121) | (26,373) | (294)
Ending Balance | 22,583 | 33,277 | 22,583 | 33,277
MWRAM |  |  |  |
Revenue accounts: |  |  |  |
Beginning Balance | 21,096 | 15,278 | 16,866 | 12,077
Regulatory Asset Increase (Decrease) | 1,381 | 363 | 5,610 | 3,563
Refunds (Collections) Adjustments | 0 | 0 | 1 | 1
Ending Balance | 22,477 | 15,641 | 22,477 | 15,641
WCMA |  |  |  |
Revenue accounts: |  |  |  |
Beginning Balance | (14,961) | 668 | 3,534 | 666
Regulatory Asset Increase (Decrease) | 3,868 | 0 | 2,768 | 0
Refunds (Collections) Adjustments | (8,708) | 0 | (26,103) | 2
Ending Balance | (19,801) | 668 | (19,801) | 668
Cost of capital memorandum account |  |  |  |
Revenue accounts: |  |  |  |
Beginning Balance | (1,568) | (1,562) | (1,563) | (1,561)
Regulatory Asset Increase (Decrease) | (8) | 0 | (13) | (1)
Refunds (Collections) Adjustments | 0 | 0 | 0 | 0
Ending Balance | (1,576) | (1,562) | (1,576) | (1,562)
All others |  |  |  |
Revenue accounts: |  |  |  |
Beginning Balance | 417 | (1,164) | (386) | (1,139)
Regulatory Asset Increase (Decrease) | 590 | 397 | 1,392 | 369
Refunds (Collections) Adjustments | 0 | 0 | 1 | 3
Ending Balance | 1,007 | (767) | 1,007 | (767)
Cost-recovery accounts: |  |  |  |
Beginning Balance | 479 | 446 | 445 | 445
Regulatory Asset Increase (Decrease) | (79) | 0 | (45) | 1
Refunds (Collections) Adjustments | 0 | 0 | 0 | 0
Ending Balance | 400 | 446 | 400 | 446
Water supply costs |  |  |  |
Cost-recovery accounts: |  |  |  |
Beginning Balance | 11,111 | 9,895 | 10,545 | 8,123
Regulatory Asset Increase (Decrease) | 391 | 388 | 957 | 2,159
Refunds (Collections) Adjustments | 0 | 0 | 0 | 1
Ending Balance | 11,502 | 10,283 | 11,502 | 10,283
Pension |  |  |  |
Cost-recovery accounts: |  |  |  |
Beginning Balance | 5,069 | 4,210 | 4,941 | 3,478
Regulatory Asset Increase (Decrease) | 59 | 366 | 187 | 1,098
Refunds (Collections) Adjustments | 0 | 0 | 0 | 0
Ending Balance | 5,128 | 4,576 | 5,128 | 4,576
PRVMA |  |  |  |
Cost-recovery accounts: |  |  |  |
Beginning Balance | 543 | 928 | 707 | 1,108
Regulatory Asset Increase (Decrease) | 3 | 0 | 5 | 0
Refunds (Collections) Adjustments | (106) | (121) | (272) | (301)
Ending Balance | 440 | 807 | 440 | 807
CEMA |  |  |  |
Cost-recovery accounts: |  |  |  |
Beginning Balance | 2,586 | 2,618 | 3,245 | 2,266
Regulatory Asset Increase (Decrease) | 420 | 567 | (239) | 919
Refunds (Collections) Adjustments | 0 | 0 | 0 | 0
Ending Balance | $ 3,006 | $ 3,185 | $ 3,006 | $ 3,185

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