CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income	$ 3,636us-gaap_NetIncomeLoss	$ 3,169us-gaap_NetIncomeLoss
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities:
Depreciation and Amortization	3,256	3,010
Provision for Deferred Income Taxes and Investment Tax Credits	581us-gaap_DeferredIncomeTaxExpenseBenefit	657us-gaap_DeferredIncomeTaxExpenseBenefit
Equity Portion of Allowance for Funds Used During Construction (AFUDC)	(50)	(43)
Cash Surrender Value of Life Insurance	(48)	(21)
Stock Compensation Expense	116us-gaap_ShareBasedCompensation	97us-gaap_ShareBasedCompensation
Changes in Assets and Liabilities:
Accounts Receivable	(618)	787
Unbilled Revenues	(250)	346
Materials & Supplies	37	(159)
Prepayments	446	267
Accounts Payable	600	(733)
Accrued Taxes	3,593	3,121
Accrued Interest	(680)	(700)
Employee Benefit Plans	1,000	(495)
Unearned Revenue & Advanced Service Fees	12	(56)
Other Assets and Liabilities	(200)	(886)
NET CASH PROVIDED BY OPERATING ACTIVITIES	11,431	8,361
CASH FLOWS FROM INVESTING ACTIVITIES:
Utility Plant Expenditures, Including AFUDC of $32 in 2015, $24 in 2014	(4,885)	(4,165)
Restricted Cash	977	587
NET CASH USED IN INVESTING ACTIVITIES	(3,908)	(3,578)
CASH FLOWS FROM FINANCING ACTIVITIES:
Redemption of Long-term Debt	(1,046)us-gaap_RepaymentsOfLongTermDebt	(929)us-gaap_RepaymentsOfLongTermDebt
Proceeds from Issuance of Long-term Debt	3,000	211
Net Short-term Bank Borrowings	(4,000)	(950)
Proceeds from Issuance of Common Stock	372	385
Payment of Common Dividends	(3,105)us-gaap_PaymentsOfDividendsCommonStock	(3,034)us-gaap_PaymentsOfDividendsCommonStock
Payment of Preferred Dividends	(36)	(43)
Construction Advances and Contributions-Net	(335)	645
NET CASH USED IN FINANCING ACTIVITIES	(5,150)	(3,715)
NET CHANGES IN CASH AND CASH EQUIVALENTS	2,373	1,068
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	2,673	4,834
CASH AND CASH EQUIVALENTS AT END OF PERIOD	5,046	5,902
SUPPLEMENTAL DISCLOSURE OF NON-CASH ACTIVITY:
Utility Plant received as Construction Advances and Contributions	766us-gaap_ContributionOfProperty	44us-gaap_ContributionOfProperty
Cash Paid During the Year for:
Interest	1,847us-gaap_InterestPaidNet	1,930us-gaap_InterestPaidNet
Interest Capitalized	32us-gaap_InterestPaidCapitalized	24us-gaap_InterestPaidCapitalized
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The cash inflow from developers, builders, governmental agencies and municipalities that provide the entity with cash to extend its construction services to their properties.

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash inflow from the additional capital contribution to the entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 14

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585

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- Definition

The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 14

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585

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Data Type:	xbrli:monetaryItemType
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- Definition

The net cash inflow or outflow for borrowing having initial term of repayment within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 9

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3098-108585

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- Definition

The component of the allowance for funds used during construction during the period based on an assumed rate of return on equity funds used in financing the construction of regulated assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 980

-SubTopic 835

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6501662&loc=d3e56162-110433

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 980

-SubTopic 835

-Section 25

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6501569&loc=d3e55921-110430

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- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 15

-Subparagraph (b)

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-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

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- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

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