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Summary of Significant Accounting Policies (Tables)
 3 Months Ended
Mar. 31, 2024
Accounting Policies [Abstract]  
Disaggregation of Revenue
The following table disaggregates the Company’s operating revenue by source for the three months ended March 31, 2024 and 2023:
Three Months Ended March 31,
20242023
Revenue from contracts with customers$154,900 $145,225 
Regulatory balancing account revenue115,849 (14,125)
Total operating revenue$270,749 $131,100 
In the following table, revenue from contracts with customers is disaggregated by class of customers for the three months ended March 31, 2024 and 2023:
Three Months Ended March 31,
20242023
Residential$92,492 $84,035 
Business34,549 31,974 
Multiple residential16,869 14,997 
Industrial6,640 5,634 
Public authorities6,962 6,425 
Other (a)(2,612)2,160 
Total revenue from contracts with customers$154,900 $145,225 
(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, 2024 and 2023:
Three Months Ended March 31,
20242023
Operating and maintenance revenue$3,248 $3,235 
Other non-regulated revenue1,229 782 
Non-regulated revenue from contracts with customers4,477 4,017 
Lease revenue621 606 
Total non-regulated revenue$5,098 $4,623 
Schedule of Allowance for Credit Losses
The following table presents the activity in the allowance for credit losses for the three months ended March 31, 2024 and twelve months ended December 31, 2023:
March 31, 2024December 31, 2023
Beginning balance$2,854 $5,629 
Provision for credit loss expense1,052 2,480 
Write-offs(1,288)(5,795)
Recoveries126 540 
Total ending allowance balance$2,744 $2,854 
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 (see Note 9 for further details on restricted cash):
 March 31, 2024December 31, 2023
Cash and cash equivalents$42,814 $39,591 
Restricted cash45,449 45,375 
Total cash, cash equivalents, and restricted cash shown in the statements of cash flows$88,263 $84,966