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Fair Value of Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2012

Fair Value of Financial Instruments [Abstract]

Summary of carrying amounts and fair values of long-term debt

		September 30, 2012								December 31, 2011
(In Thousands of Dollars)		Carrying Amount				Fair Value				Carrying Amount				Fair Value
Variable rate long-term debt		$	43,612			$	43,612			$	40,989			$	40,989
Fixed rate long-term debt		$	31,429			$	32,384			$	37,143			$	37,500

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- Definition

Tabular disclosure of information pertaining to carrying amount and estimated fair value of short-term and long-term debt instruments or arrangements, including but not limited to, identification of terms, features, and collateral requirements.

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