CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Operating activities:
Net loss	$ (3,032)	$ (20,307)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	27,669	25,093
Change in value of life insurance contracts	(349)	4,717
Allowance for equity funds used during construction	(544)	(1,614)
Changes in operating assets and liabilities:
Receivables and unbilled revenue	6,265	7,261
Accounts payable	(10,222)	(7,379)
Other current assets	(152)	(3,768)
Other current liabilities	12,367	3,316
Other changes in noncurrent assets and liabilities	(2,023)	(3,252)
Net cash provided by operating activities	29,979	4,067
Investing activities:
Utility plant expenditures	(66,817)	(65,270)
Payment for investment	(2,900)	0
Refund of investment	1,000	0
Net cash used in investing activities	(68,717)	(65,270)
Financing activities:
Short-term borrowings	105,000	170,000
Repayment of short-term borrowings	(40,000)	(10,000)
Repayment of long-term debt	(176)	(197)
Advances and contributions in aid of construction	6,469	6,432
Refunds of advances for construction	(2,711)	(2,157)
Repurchase of common stock	(1,415)	(1,373)
Issuance of common stock	23,175	6,511
Dividends paid	(11,581)	(10,315)
Net cash provided by financing activities	78,761	158,901
Change in cash, cash equivalents, and restricted cash	40,023	97,698
Cash, cash equivalents, and restricted cash at beginning of period	45,129	43,298
Cash, cash equivalents, and restricted cash at end of period	85,152	140,996
Supplemental information:
Cash paid for interest (net of amounts capitalized)	1,225	909
Supplemental disclosure of non-cash activities:
Accrued payables for investments in utility plant	48,552	38,018
Utility plant contribution by developers	$ 5,899	$ 8,007