Other Income, Net (Tables)

6 Months Ended

Jun. 30, 2016

Other Income and Expenses [Abstract]

Other Income, Net

Other income, net consisted of the following:

	Three Months Ended    June 30				Six Months Ended   June 30
(Thousands of Dollars)	2016		2015		2016		2015
Interest income	$	94	$	13	$	179	$	45
Other nonoperating income	298		65		247		110
Insurance policy income (expense)	—		78		—		(55		)
Other income, net	$	392	$	156	$	426	$	100