Net Income per Common Share (Tables)

3 Months Ended

Mar. 31, 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 months ended March 31, 2015 and 2014.

	Three Months Ended   March 31,
(in thousands, except per share data)	2015			2014
Numerator:
Net income	$	18,940		$	25,485
Less: income allocated to unvested restricted shares	(161		)	(188		)
Net income attributable to common shareholders - basic	18,779			25,297
Add: undistributed income attributable to unvested restricted shares - basic	18			51
Less: undistributed income attributable to unvested restricted shares - diluted	(18		)	(51		)
Net income attributable to common shareholders - diluted	$	18,779		$	25,297
Denominator:
Weighted average shares outstanding - basic	62,264			62,304
Dilutive shares - stock options	2			13
Weighted average shares outstanding - diluted	62,266			62,317
Net income per share attributable to common shareholders:
Basic	$	0.30		$	0.41
Diluted	$	0.30		$	0.41