CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income	$ 13,169	$ 9,822
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities:
Depreciation and Amortization	7,793	6,887
Provision for Deferred Income Taxes	(2,760)	4,395
Equity Portion of Allowance for Funds Used During Construction (AFUDC)	(256)	(205)
Cash Surrender Value of Life Insurance	(60)	(114)
Stock Compensation Expense	535	437
Changes in Assets and Liabilities:
Accounts Receivable	(226)	176
Unbilled Revenues	(1,745)	(1,694)
Materials & Supplies	(708)	(787)
Prepayments	(1,397)	(888)
Accounts Payable	2,484	2,702
Accrued Taxes	3,282	752
Accrued Interest	166	(6)
Employee Benefit Plans	(2,478)	(640)
Unearned Revenue & Advanced Service Fees	23	44
Other Assets and Liabilities	1,401	(710)
NET CASH PROVIDED BY OPERATING ACTIVITIES	19,223	20,171
CASH FLOWS FROM INVESTING ACTIVITIES:
Utility Plant Expenditures, Including AFUDC of $125 in 2018, $94 in 2017	(28,377)	(21,165)
NET CASH USED IN INVESTING ACTIVITIES	(28,377)	(21,165)
CASH FLOWS FROM FINANCING ACTIVITIES:
Redemption of Long-term Debt	(2,144)	(2,115)
Proceeds from Issuance of Long-term Debt	5,567	4,047
Net Short-term Bank Borrowings	11,000	5,000
Deferred Debt Issuance Expense	(75)	(33)
Proceeds from Issuance of Common Stock	596	592
Payment of Common Dividends	(7,325)	(6,893)
Payment of Preferred Dividends	(72)	(72)
Construction Advances and Contributions-Net	1,040	278
NET CASH PROVIDED BY FINANCING ACTIVITIES	8,587	804
NET CHANGES IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	(567)	(190)
CASH, CASH EQUIVALENTS AND RESTRICTED CASH AT BEGINNING OF PERIOD	4,937	4,318
CASH, CASH EQUIVALENTS AND RESTRICTED CASH AT END OF PERIOD	2,673	4,128
SUPPLEMENTAL DISCLOSURE OF NON-CASH ACTIVITY:
Utility Plant received as Construction Advances and Contributions	2,064	1,131
Cash Paid During the Year for:
Interest	2,711	2,594
Interest Capitalized	125	94
Income Taxes	$ 1,989	$ 714