Net Income per Share (Tables)

6 Months Ended

Jun. 30, 2018

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,
	2018			2017			2018			2017
	(in thousands)
Net income	$	24,560		$	14,018		$	74,551		$	49,646
Less distributed and undistributed earnings allocated to participating securities	(346		)	(248		)	(1,064		)	(909		)
Net income allocated to common shares	$	24,214		$	13,770		$	73,487		$	48,737
Weighted average common shares outstanding	41,377			41,258			41,301			41,194
Incremental shares from assumed LTIP awards and conversions of common stock options	156			217			324			210
Adjusted weighted average common shares outstanding	41,533			41,475			41,625			41,404