Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2014

Earnings Per Share [Abstract]

Schedule of calculation of basic and diluted earnings per share

The following table sets forth the computation of basic and diluted earnings per share for the three and nine months ended September 30, 2013 and 2014.

	Three Months Ended September 30,				Nine Months Ended September 30,
	2013		2014		2013		2014
Net income	$	5,687	$	1,972	$	25,712	$	20,853
Basic – weighted average shares outstanding	27,518		27,454		27,744		27,354
Effect of dilutive potential securities	316		234		367		423
Diluted – weighted average shares outstanding	27,834		27,688		28,111		27,777
Net income
Basic (per share)	$	0.21	$	0.07	$	0.93	$	0.76
Diluted (per share)	0.20		0.07		0.91		0.75