SELECTED QUARTERLY INFORMATION (UNAUDITED) (Tables)

12 Months Ended

Dec. 31, 2012

SELECTED QUARTERLY INFORMATION (UNAUDITED)

Summary of quarterly results

The following is a summary of quarterly results for 2012 and 2011 (dollars in thousands except per share amounts):

	Quarters
Quarterly Results for 2012	First		Second		Third		Fourth
Operating revenues	$	137,144	$	131,632	$	159,202	$	129,119
Operating income	$	20,810	$	20,762	$	35,282	$	19,367
Net Income	$	9,804	$	10,708	$	25,542	$	9,627
Basic Earning Per Share	$	0.23	$	0.25	$	0.60	$	0.23
Diluted Earnings Per Share	$	0.23	$	0.25	$	0.60	$	0.23

	Quarters
Quarterly Results for 2011	First		Second		Third		Fourth
Operating revenues	$	150,728	$	129,093	$	164,284	$	132,765
Operating income	$	21,848	$	19,134	$	36,450	$	19,502
Net Income	$	11,922	$	9,175	$	25,184	$	8,690
Basic Earning Per Share	$	0.29	$	0.22	$	0.60	$	0.21
Diluted Earnings Per Share	$	0.29	$	0.22	$	0.60	$	0.21