Earnings per share (Tables)

9 Months Ended

Sep. 30, 2013

Earnings Per Share [Abstract]

Schedule of Calculation of Numerator and Denominator in Earnings Per Share

The following table sets forth the components of diluted earnings per share (in thousands, except share and per share amounts):

	Three months ended September 30, 2013		Nine months ended September 30, 2013
Numerator
Net income	$	13,709	$	17,952
Denominator
Weighted average common stock outstanding – basic	25,078,727		17,484,598
Stock options using the treasury method	870,566		888,607
Weighted average common stock outstanding – diluted	25,949,293		18,373,205
Earnings per basic share	$	0.55	$	1.03
Earnings per diluted share	$	0.53	$	0.98
Stock options excluded from the calculation of diluted earnings per share because inclusion would have been anti-dilutive	—		—