Fair Value of Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2013

Fair Value Disclosures [Abstract]

Summary of Carrying Amounts and Fair Values of Long-term Debt

The carrying amounts and fair values of our long-term debt are in the table below:

	September 30, 2013				December 31, 2012
(In Thousands of Dollars)	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Variable rate long-term debt	$	13,000	$	13,000	$	38,087	$	38,087
Fixed rate long-term debt	$	25,714	$	26,663	$	31,429	$	32,818