Net Income per Share (Tables)

9 Months Ended

Sep. 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   September 30,						Nine Months Ended   September 30,
	2015			2014			2015			2014
	(in thousands)
Net income	$	11,950		$	8,385		$	33,051		$	19,840
Less distributed and undistributed earnings allocated to participating securities	(303		)	(243		)	(822		)	(576		)
Net income allocated to common shares	$	11,647		$	8,142		$	32,229		$	19,264
Weighted average common shares outstanding	24,030			24,650			24,502			24,747
Incremental shares from assumed conversions of common stock options	6			2			7			5
Adjusted weighted average common shares outstanding	24,036			24,652			24,509			24,752
Potentially dilutive securities not included in weighted average share calculation due to anti-dilutive effect	—			16			—			5