STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Operating activities
Net income	$ 99,317	$ 102,621
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	76,572	71,264
Deferred income taxes	16,247	9,364
Share-based compensation expense	3,117	2,821
Provision for doubtful accounts	1,675	3,925
Proceeds from Securitization Bonds, Operating Activities	0	197,366
Changes in assets and liabilities:
Accounts receivable	21,684	56,336
Materials and supplies	(2,700)	(2,160)
Natural gas in storage	76,646	170,239
Payments for Removal Costs	(12,621)	(13,567)
Accounts payable	(68,117)	(157,533)
Accrued taxes other than income	(4,388)	(2,204)
Customer deposits	(4,123)	(1,387)
Increase (Decrease) In Regulatory Assets And Liabilities Current, net	(58,520)	5,585
Increase (Decrease) In Regulatory Assets And Liabilities Noncurrent, net	2,520	21,871
Increase (Decrease) in Other Current Assets and Liabilities, Net	(39,312)	3,573
Increase (Decrease) in Other Noncurrent Assets and Liabilities, Net	265	952
Cash provided by operating activities	108,262	469,066
Investing activities
Capital expenditures	(166,751)	(151,030)
Payments for Other Investing Activities	(1,259)	(292)
Proceeds from Sale of Other Assets, Investing Activities	2,029	1,443
Cash used in investing activities	(165,981)	(149,879)
Financing activities
Borrowings (repayments) of short-term debt, net	864,900	(272,000)
Repayments of Other Long-Term Debt	(773,000)	0
Repayment of securitized utility tariff bonds	(13,780)	0
Dividends paid	(37,336)	(36,002)
Payment, Tax Withholding, Share-based Payment Arrangement	(980)	(2,386)
Cash used in financing activities	39,804	(310,388)
Change in cash and cash equivalents	(17,915)	8,799
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Beginning Balance	39,387	18,127
Cash, cash equivalents, restricted cash and restricted cash equivalents at end of period	21,472	26,926
Interest Paid, Excluding Capitalized Interest, Operating Activities	41,497	33,729
Income Taxes Paid, Net	$ (2,797)	$ (1,870)