The following table summarizes information pertaining to related party transactions:



	Three Months Ended June 30,				Six Months Ended June 30,
	2014		2013		2014		2013
	(Thousands of Dollars)
Revenues	$	—	$	10,576	$	929	$	11,817
Operating expenses	$	30,972	$	31,651	$	59,631	$	63,364
General and administrative expenses	$	17,448	$	12,528	$	31,542	$	31,312
Interest income	$	—	$	1,610	$	1,055	$	2,732
Revenues included in discontinued operations, net of tax	$	87	$	1,220	$	492	$	1,990
Expenses included in discontinued operations, net of tax	$	607	$	1,302	$	1,412	$	2,962