CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income	$ 7,658	$ 5,532
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities:
Depreciation and Amortization	5,705	5,489
Provision for Deferred Income Taxes and Investment Tax Credits	1,075	990
Equity Portion of Allowance for Funds Used During Construction (AFUDC)	(82)	(170)
Cash Surrender Value of Life Insurance	(112)	(90)
Stock Compensation Expense	269	372
Changes in Assets and Liabilities:
Accounts Receivable	1,283	4,201
Unbilled Revenues	(1,248)	(1,351)
Materials & Supplies	(701)	(18)
Prepayments	(479)	(620)
Accounts Payable	1,325	(909)
Accrued Taxes	530	1,405
Accrued Interest	189	(6)
Employee Benefit Plans	767	1,846
Unearned Revenue & Advanced Service Fees	3	9
Other Assets and Liabilities	14	(867)
NET CASH PROVIDED BY OPERATING ACTIVITIES	16,196	15,813
CASH FLOWS FROM INVESTING ACTIVITIES:
Utility Plant Expenditures, Including AFUDC of $45 in 2013, $103 in 2012	(10,222)	(12,574)
Restricted Cash	(2,630)	(2,578)
Investment in Joint Venture	(1,005)	(500)
NET CASH USED IN INVESTING ACTIVITIES	(13,857)	(15,652)
CASH FLOWS FROM FINANCING ACTIVITIES:
Redemption of Long-term Debt	(7,724)	(1,590)
Proceeds from Issuance of Long-term Debt	3,987	4,929
Net Short-term Bank Borrowings		1,000
Deferred Debt Issuance Expense		(22)
Restricted Cash	6,070
Proceeds from Issuance of Common Stock	883	788
Payment of Common Dividends	(5,930)	(5,809)
Payment of Preferred Dividends	(103)	(103)
Construction Advances and Contributions-Net	445	267
NET CASH USED IN FINANCING ACTIVITIES	(2,372)	(540)
NET CHANGES IN CASH AND CASH EQUIVALENTS	(33)	(379)
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	3,025	3,106
CASH AND CASH EQUIVALENTS AT END OF PERIOD	2,992	2,727
SUPPLEMENTAL DISCLOSURE OF NON-CASH ACTIVITY:
Utility Plant received as Construction Advances and Contributions	291	453
Long-term Debt Deobligation	64
Cash Paid During the Year for:
Interest	2,627	3,208
Interest Capitalized	45	103
Income Taxes	$ 3,190	$ 774