Net Income per Share (Tables)

6 Months Ended

Jun. 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   June 30,						Six Months Ended   June 30,
	2016			2015			2016			2015
	(in thousands)
Net income	$	9,713		$	7,314		$	42,406		$	21,101
Less distributed and undistributed earnings allocated to participating securities	(229		)	(179		)	(962		)	(521		)
Net income allocated to common shares	$	9,484		$	7,135		$	41,444		$	20,580
Weighted average common shares outstanding	20,869			24,766			20,921			24,741
Incremental shares from assumed conversions of common stock options	15			7			10			8
Adjusted weighted average common shares outstanding	20,884			24,773			20,931			24,749