Net Income per Share (Tables)

9 Months Ended

Sep. 30, 2016

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,
	2016			2015			2016			2015
	(in thousands)
Net income	$	14,065		$	11,950		$	56,471		$	33,051
Less distributed and undistributed earnings allocated to participating securities	(330		)	(303		)	(1,283		)	(822		)
Net income allocated to common shares	$	13,735		$	11,647		$	55,188		$	32,229
Weighted average common shares outstanding	20,843			24,030			20,895			24,502
Incremental shares from assumed conversions of common stock options	13			6			11			7
Adjusted weighted average common shares outstanding	20,856			24,036			20,906			24,509