Other Comprehensive Income

12 Months Ended

Dec. 31, 2015

Stockholders' Equity Note [Abstract]

Other Comprehensive Income

Other Comprehensive Income

Changes in accumulated other comprehensive loss, net of tax, for the years ended Dec. 31, 2015 and 2014 were as follows:

	Year Ended Dec. 31, 2015
(Thousands of Dollars)	Gains and Losses on Cash Flow Hedges			Defined Benefit Pension and Postretirement Items			Total
Accumulated other comprehensive loss at Jan. 1	$	(989	)	$	—		$	(989	)
Other comprehensive loss before reclassifications	—			(464		)	(464		)
Losses reclassified from net accumulated other comprehensive loss	172			—			172
Net current period other comprehensive income (loss)	172			(464		)	(292		)
Accumulated other comprehensive loss at Dec. 31	$	(817	)	$	(464	)	$	(1,281	)

	Year Ended Dec. 31, 2014
(Thousands of Dollars)	Gains and Losses on Cash Flow Hedges
Accumulated other comprehensive loss at Jan. 1	$	(1,161	)
Losses reclassified from net accumulated other comprehensive loss	172
Net current period other comprehensive income	172
Accumulated other comprehensive loss at Dec. 31	$	(989	)

Reclassifications from accumulated other comprehensive loss for the years ended Dec. 31, 2015 and 2014 were as follows:

	Amounts Reclassified from Accumulated Other Comprehensive Loss
(Thousands of Dollars)	Year Ended Dec. 31, 2015				Year Ended Dec. 31, 2014
Losses on cash flow hedges:
Interest rate derivatives	$	269		(a)	$	268		(a)
Total, pre-tax	269				268
Tax benefit	(97		)		(96		)
Total amounts reclassified, net of tax	$	172			$	172

^(a)  Included in interest charges.