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Summary of Significant Accounting Policies (Tables) | 9 Months Ended
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Sep. 30, 2025
Accounting Policies [Abstract] |
Disaggregation of Revenue | The following table disaggregates the Company’s operating revenue by source for the three and nine months ended September 30, 2025 and 2024:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2025 |  | 2024 |  | 2025 |  | 2024
Revenue from contracts with customers | $ | 314,096 |  |  | $ | 306,237 |  |  | $ | 753,013 |  |  | $ | 687,803 |
Regulatory balancing account revenue | (2,861) |  |  | (6,674) |  |  | 27,149 |  |  | 126,808 |
Total operating revenue | $ | 311,235 |  |  | $ | 299,563 |  |  | $ | 780,162 |  |  | $ | 814,611 |
In the following table, revenue from contracts with customers is disaggregated by class of customers for the three and nine months ended September 30, 2025 and 2024:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2025 |  | 2024 |  | 2025 |  | 2024
Residential | $ | 186,699 |  |  | $ | 184,951 |  |  | $ | 434,061 |  |  | $ | 399,695 |
Business | 56,284 |  |  | 56,225 |  |  | 144,926 |  |  | 132,680 |
Multiple residential | 22,766 |  |  | 21,795 |  |  | 62,692 |  |  | 56,707 |
Industrial | 11,098 |  |  | 9,645 |  |  | 24,032 |  |  | 23,404 |
Public authorities | 19,039 |  |  | 18,140 |  |  | 41,295 |  |  | 36,020 |
Other (a) | 18,210 |  |  | 15,481 |  |  | 46,007 |  |  | 39,297 |
Total revenue from contracts with customers | $ | 314,096 |  |  | $ | 306,237 |  |  | $ | 753,013 |  |  | $ | 687,803 |
(a) Other includes changes to accrued and unbilled revenues The following table disaggregates the Company’s non-regulated revenue by source for the three and nine months ended September 30, 2025 and 2024:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2025 |  | 2024 |  | 2025 |  | 2024
Contract operating and maintenance revenue | $ | 3,546 |  |  | $ | 3,384 |  |  | $ | 10,052 |  |  | $ | 9,820 |
Other non-regulated revenue | 1,218 |  |  | 143 |  |  | 3,557 |  |  | 3,092 |
Non-regulated revenue from contracts with customers | 4,764 |  |  | 3,527 |  |  | 13,609 |  |  | 12,912 |
Lease revenue | 585 |  |  | 606 |  |  | 1,732 |  |  | 1,832 |
Total non-regulated revenue | $ | 5,349 |  |  | $ | 4,133 |  |  | $ | 15,341 |  |  | $ | 14,744 |
Schedule of Allowance for Credit Losses | The following table presents the activity in the allowance for credit losses for the nine months ended September 30, 2025 and twelve months ended December 31, 2024:
| September 30, 2025 |  | December 31, 2024
Beginning balance | $ | 4,128 |  |  | $ | 2,854 |
Provision for credit loss expense | 2,861 |  |  | 5,890 |
Write-offs | (4,124) |  |  | (5,054) |
Recoveries | 445 |  |  | 438 |
Total ending allowance balance | $ | 3,310 |  |  | $ | 4,128 |
Schedule of Cash and Cash Equivalents | The following table provides a reconciliation of cash, cash equivalents, and restricted cash within the unaudited Condensed Consolidated Balance Sheets that sum to the total of the same such amounts shown on the unaudited Condensed Consolidated Statements of Cash Flows (see Note 9 for further details on restricted cash):
| September 30, 2025 |  | December 31, 2024
Cash and cash equivalents | $ | 75,990 |  |  | $ | 50,121 |
Restricted cash | 45,620 |  |  | 45,566 |
Total cash, cash equivalents, and restricted cash | $ | 121,610 |  |  | $ | 95,687 |

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