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Summary of Significant Accounting Policies (Tables) | 3 Months Ended
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Mar. 31, 2021
Accounting Policies [Abstract] |
Disaggregation of Revenue | The following table disaggregates the Company’s operating revenue by source for the three months ended March 31, 2021 and 2020:
| Three Months Ended March 31
| 2021 |  | 2020
Revenue from contracts with customers | $ | 146,528 |  |  | $ | 134,833 |
Regulatory balancing account revenue (a) | 1,209 |  |  | (9,270) |
Total operating revenue | $ | 147,737 |  |  | $ | 125,563 |
(a) As further discussed below, no amounts were recorded for the Company’s Water Revenue Adjustment Mechanism (WRAM), Modified Cost Balancing Account (MCBA), Pension Cost Balancing Account (PCBA), and Health Cost Balancing Account (HCBA) for the three months ended March 31, 2020 due to the delay in the resolution of the 2018 General Rate Case (GRC). In the following table, revenue from contracts with customers is disaggregated by class of customers for the three months ended March 31, 2021 and 2020:
| Three Months Ended March 31
| 2021 |  | 2020
Residential | $ | 101,371 |  |  | $ | 92,544 |
Business | 27,721 |  |  | 27,693 |
Industrial | 6,043 |  |  | 7,878 |
Public authorities | 6,403 |  |  | 5,897 |
Other (a) | 4,990 |  |  | 821 |
Total revenue from contracts with customers | $ | 146,528 |  |  | $ | 134,833 |
(a) Other includes accrued unbilled revenue. The following table disaggregates the Company’s non-regulated revenue by source for the three months ended March 31, 2021 and 2020:
| Three Months Ended March 31
| 2021 |  | 2020
Operating and maintenance revenue | $ | 4,087 |  |  | $ | 2,499 |
Other non-regulated revenue | 860 |  |  | 765 |
Non-regulated revenue from contracts with customers | $ | 4,947 |  |  | $ | 3,264 |
Lease revenue | $ | 625 |  |  | $ | 563 |
Total non-regulated revenue | $ | 5,572 |  |  | $ | 3,827 |
Financing Receivable, Allowance for Credit Loss | The following table presents the activity in the allowance for credit losses for the period ended March 31, 2021 and December 31, 2020:
Allowance for credit losses | March 31, 2021 |  | December 31, 2020
Beginning balance | 5,246 |  |  | 771 |
Provision for credit loss expense | 893 |  |  | 5,716 |
Write-offs | (579) |  |  | (1,730) |
Recoveries | 98 |  |  | 489 |
Total ending allowance balance | $ | 5,658 |  |  | $ | 5,246 |
Schedule of Cash and Cash Equivalents | The following table provides a reconciliation of cash, cash equivalents, and restricted cash within the Condensed Consolidated Balance Sheets that sum to the total of the same such amounts shown on the Condensed Consolidated Statements of Cash Flows:
| March 31, 2021 |  | December 31, 2020
Cash and cash equivalents | 84,387 |  |  | 44,555 |
Restricted cash (included in "taxes, prepaid expenses and other assets") | 765 |  |  | 574 |
Total cash, cash equivalents, and restricted cash shown in the statements of cash flows | $ | 85,152 |  |  | $ | 45,129 |
Schedule of Cash, Cash Equivalents, and Restricted Cash | The following table provides a reconciliation of cash, cash equivalents, and restricted cash within the Condensed Consolidated Balance Sheets that sum to the total of the same such amounts shown on the Condensed Consolidated Statements of Cash Flows:
| March 31, 2021 |  | December 31, 2020
Cash and cash equivalents | 84,387 |  |  | 44,555 |
Restricted cash (included in "taxes, prepaid expenses and other assets") | 765 |  |  | 574 |
Total cash, cash equivalents, and restricted cash shown in the statements of cash flows | $ | 85,152 |  |  | $ | 45,129 |

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