CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS Unaudited $ in Thousands	3 Months Ended
	Mar. 31, 2017 USD ($)	Mar. 31, 2016 USD ($)
Operating activities:
Net income (loss)	$ 1,132	$ (798)
Adjustments to reconcile net income (loss) to net cash:
Depreciation and amortization	19,658	16,454
Change in value of life insurance contracts	(319)	43
Allowance for equity funds used during construction	(779)	0
Changes in operating assets and liabilities:
Receivables and unbilled revenue	(4,564)	7,127
Accounts payable	(5,535)	(5,129)
Other current assets	(5,359)	(1,728)
Other current liabilities	5,084	10,453
Other changes in noncurrent assets and liabilities	4,979	5,070
Net cash provided by operating activities	14,297	31,492
Investing activities:
Utility plant expenditures	(51,853)	(56,463)
Life insurance proceeds	450	495
Purchase of life insurance contracts	(836)	(960)
Change in restricted cash	(260)	(465)
Net cash used in investing activities	(52,499)	(57,393)
Financing activities:
Short-term borrowings	35,000	54,500
Repayment of short-term borrowings	(2,000)	(53,615)
Proceeds from long-term debt, net of expenses of $0 for 2017, $177 for 2016	0	50,039
Repayment of long-term debt	(286)	(254)
Advances and contributions in aid of construction	3,975	7,608
Refunds of advances for construction	(2,236)	(1,612)
Repurchase of common stock	(1,119)	(466)
Dividends paid	(8,634)	(8,258)
Net cash provided by financing activities	24,700	47,942
Change in cash and cash equivalents	(13,502)	22,041
Cash and cash equivalents at beginning of period	25,492	8,837
Cash and cash equivalents at end of period	11,990	30,878
Supplemental information:
Cash paid for interest (net of amounts capitalized)	994	481
Supplemental disclosure of non-cash activities:
Accrued payables for investments in utility plant	24,191	22,904
Utility plant contribution by developers	$ 3,481	$ 2,490