CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 13,703	$ 11,826
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	8,280	8,117
Deferred income taxes, net	(1,861)	(1,843)
Stock compensation	134	136
AFUDC, equity portion	(612)	(649)
Changes in assets and liabilities:
Accounts receivable, net of allowance for doubtful accounts	(2,264)	1,512
Income tax receivable	(333)	590
Unbilled operating revenues	(389)	17
Materials and supplies	(227)	184
State and federal income taxes payable	318	0
Prepaid property taxes	(872)	(802)
Prepaid expenses and other	93	(73)
Other deferred assets	(419)	(300)
Regulatory assets	275	272
Regulatory liabilities	(478)	(422)
Income tax payable	0	732
Accounts payable	(3,814)	(3,237)
Accrued expenses	1,385	(1,341)
Accrued interest	527	445
Revenue reserved for refund	0	(3,298)
Customer deposits and other	852	1,237
NET CASH PROVIDED BY OPERATING ACTIVITIES	14,298	13,103
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures (net of AFUDC, equity portion)	(25,961)	(27,283)
Investment in acquisitions	(5,741)	0
Proceeds from sale of assets	35	43
NET CASH USED IN INVESTING ACTIVITIES	(31,667)	(27,240)
CASH FLOWS FROM FINANCING ACTIVITIES
Net borrowings under lines of credit agreements	12,578	15,751
Increase (decrease) in overdraft payable	3,667	(66)
Net advances and contributions in aid of construction	8,050	5,968
Net proceeds from issuance of common stock	1,125	811
Dividends paid	(6,974)	(6,804)
Debt issuance costs	(28)	0
Principal repayments of long-term debt	(1,396)	(1,358)
NET CASH PROVIDED BY FINANCING ACTIVITIES	17,022	14,302
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS	(347)	165
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR	596	293
CASH AND CASH EQUIVALENTS AT END OF PERIOD	249	458
Non-cash Investing and Financing Activity:
Utility plant received as construction advances and contributions	1,191	1,819
Dividends declared but not paid	2,402	2,317
Supplemental Disclosures of Cash Flow Information:
Interest paid	5,163	4,790
Income taxes paid	6,881	4,850
Purchase price allocation of investment in acquisitions:
Utility plant	5,118	0
Other deferred assets/goodwill	623	0
Total investment in acquisitions	$ 5,741	$ 0