CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income	$ 9,822	$ 10,709
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities:
Depreciation and Amortization	6,887	6,800
Provision for Deferred Income Taxes and Investment Tax Credits	4,395	3,321
Equity Portion of Allowance for Funds Used During Construction (AFUDC)	(205)	(118)
Cash Surrender Value of Life Insurance	(114)	(44)
Stock Compensation Expense	437	468
Changes in Assets and Liabilities:
Accounts Receivable	176	(848)
Unbilled Revenues	(1,694)	(1,908)
Materials and Supplies	(787)	(2,132)
Prepayments	(888)	(1,207)
Accounts Payable	2,702	3,064
Accrued Taxes	752	313
Accrued Interest	(6)	(13)
Employee Benefit Plans	(640)	(580)
Unearned Revenue & Advanced Service Fees	44	19
Other Assets and Liabilities	(710)	(1,099)
NET CASH PROVIDED BY OPERATING ACTIVITIES	20,171	16,745
CASH FLOWS FROM INVESTING ACTIVITIES:
Utility Plant Expenditures, Including AFUDC of $94 in 2017, $62 in 2016	(21,165)	(20,111)
NET CASH USED IN INVESTING ACTIVITIES	(21,165)	(20,111)
CASH FLOWS FROM FINANCING ACTIVITIES:
Redemption of Long-term Debt	(2,115)	(2,136)
Proceeds from Issuance of Long-term Debt	4,047	861
Net Short-term Bank Borrowings	5,000	7,500
Deferred Debt Issuance Expense	(33)	(15)
Proceeds from Issuance of Common Stock	592	830
Payment of Common Dividends	(6,893)	(6,454)
Payment of Preferred Dividends	(72)	(72)
Construction Advances and Contributions-Net	278	612
NET CASH PROVIDED BY FINANCING ACTIVITIES	804	1,126
NET CHANGES IN CASH AND CASH EQUIVALENTS	(190)	(2,240)
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	3,879	3,469
CASH AND CASH EQUIVALENTS AT END OF PERIOD	3,689	1,229
SUPPLEMENTAL DISCLOSURE OF NON-CASH ACTIVITY:
Utility Plant received as Construction Advances and Contributions	1,131	1,395
Long-term Debt Deobligation		534
Cash Paid During the Year for:
Interest	2,594	2,538
Interest Capitalized	94	62
Income Taxes	$ 714	$ 3,131