CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Operating activities:
Net income	$ 4,037	$ 13,202
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	40,290	36,494
Change in value of life insurance contracts	315	(356)
Allowance for equity funds used during construction	(2,079)	(1,797)
Changes in operating assets and liabilities:
Receivables and accrued and unbilled revenue	(10,006)	(2,537)
Accounts payable	(148)	(21,044)
Other current assets	(6,664)	(4,788)
Other current liabilities	12,626	14,262
Other changes in noncurrent assets and liabilities	11,016	4,985
Net cash provided by operating activities	49,387	38,421
Investing activities:
Utility plant expenditures	(129,457)	(110,103)
Other	1	207
Net cash used in investing activities	(129,456)	(109,896)
Financing activities:
Short-term borrowings	160,000	170,000
Repayment of short-term borrowings	(60,000)	(90,000)
Repayment of long-term debt	(230)	(214)
Advances and contributions in aid of construction	10,144	9,497
Refunds of advances for construction	(2,600)	(2,317)
Repurchase of common stock	(823)	(1,109)
Issuance of common stock	6,880	743
Dividends paid	(19,980)	(20,226)
Payment for purchase of noncontrolling interest	(6,951)	0
Distribution to noncontrolling interest	0	(451)
Net cash provided by financing activities	86,440	65,923
Change in cash, cash equivalents, and restricted cash	6,371	(5,552)
Cash, cash equivalents, and restricted cash at beginning of period	97,373	95,687
Cash, cash equivalents, and restricted cash at end of period	103,744	90,135
Supplemental disclosures of cash flow information:
Cash paid for interest (net of amounts capitalized)	7,515	4,103
Supplemental disclosure of investing and financing non-cash activities:
Accrued payables for investments in utility plant	58,664	48,093
Utility plant contributed by developers	$ 7,219	$ 3,706