Net Income per Common Share (Tables)

6 Months Ended

Jun. 30, 2015

Earnings Per Share [Abstract]

Summary of Calculation of Net Income Per Common Share

The following summarizes the calculation of net income per common share attributable to common shareholders for the three and six months ended June 30, 2015 and 2014.

	Three Months Ended    June 30,						Six Months Ended    June 30,
(in thousands, except per share data)	2015			2014			2015			2014
Numerator:
Net income	$	24,226		$	19,876		$	43,166		$	45,362
Less: income allocated to unvested restricted shares	(195		)	(159		)	(359		)	(345		)
Net income attributable to common shareholders - basic	24,031			19,717			42,807			45,017
Add: undistributed income attributable to unvested restricted shares - basic	42			19			63			68
Less: undistributed income attributable to unvested restricted shares - diluted	(42		)	(19		)	(63		)	(68		)
Net income attributable to common shareholders - diluted	$	24,031		$	19,717		$	42,807		$	45,017
Denominator:
Weighted average shares outstanding - basic	62,226			62,311			62,281			62,271
Dilutive shares - stock options	—			5			1			9
Weighted average shares outstanding - diluted	62,226			62,316			62,282			62,280
Net income per share attributable to common shareholders:
Basic	$	0.39		$	0.32		$	0.69		$	0.72
Diluted	$	0.39		$	0.32		$	0.69		$	0.72