Quarterly Financial Information (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2014

Quarterly Financial Information (Unaudited)

Schedule of quarterly operating results

        The Company's quarterly operating results are presented in the following table (dollars in thousands, except per share amounts):

	Operating Revenues		Operating Income		Net Income		Earnings per share— basic		Earnings per share— diluted
Year Ended December 31, 2014:
First Quarter	$	97,072	$	8,138	$	2,368	$	0.22	$	0.21
Second Quarter		96,784		7,892		2,239		0.21		0.20
Third Quarter		97,252		6,620		1,516		0.14		0.13
Fourth Quarter		99,631		7,821		1,976		0.19		0.17
Total	$	390,739	$	30,471	$	8,099	$	0.76	$	0.72
Year Ended December 31, 2013:
First Quarter	$	95,965	$	8,585	$	1,848	$	0.18	$	0.17
Second Quarter		96,997		15,226		3,951		0.38		0.36
Third Quarter		97,682		7,914		2,061		0.20		0.18
Fourth Quarter		100,506		10,046		2,628		0.25		0.23
Total	$	391,150	$	41,771	$	10,488	$	1.01	$	0.95