Net Income per Share (Tables)

6 Months Ended

Jun. 30, 2015

Earnings Per Share [Abstract]

Summary of the net income allocated to common shares and the basic and diluted shares used in the net income per share computations

The following table summarizes the net income allocated to common shares and the basic and diluted shares used in the net income per share computations:

	Three Months Ended   June 30,						Six Months Ended   June 30,
	2015			2014			2015			2014
	(in thousands)
Net income	$	7,314		$	1,891		$	21,101		$	11,455
Less distributed and undistributed earnings allocated to participating securities	(179		)	(139		)	(521		)	(333		)
Net income allocated to common shares	$	7,135		$	1,752		$	20,580		$	11,122
Weighted average common shares outstanding	24,766			24,770			24,741			24,797
Incremental shares from assumed conversions of common stock options	7			4			8			5
Adjusted weighted average common shares outstanding	24,773			24,774			24,749			24,802
Potentially dilutive securities not included in weighted average share calculation due to anti-dilutive effect	—			—			—			—