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Net Income per Common Share
 6 Months Ended
Jun. 30, 2016
Earnings Per Share [Abstract]  
Net Income per Common Share
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, 2016 and 2015.
 
Three Months Ended    June 30,
 
Six Months Ended    June 30,
(in thousands, except per share data)
2016
 
2015
 
2016
 
2015
Numerator:
 
 
 
 
 
 
 
Net income
$
27,716

 
$
24,226

 
$
51,851

 
$
43,166

Less: income allocated to unvested restricted shares
(281
)
 
(195
)
 
(560
)
 
(359
)
Net income attributable to common shareholders - basic
27,435

 
24,031

 
51,291

 
42,807

Add: undistributed income attributable to unvested restricted shares - basic
72

 
42

 
131

 
63

Less: undistributed income attributable to unvested restricted shares - diluted
(72
)
 
(42
)
 
(131
)
 
(63
)
Net income attributable to common shareholders - diluted
$
27,435

 
$
24,031

 
$
51,291

 
$
42,807

Denominator:
 
 
 
 
 
 
 
Weighted average shares outstanding - basic
61,502

 
62,226

 
61,588

 
62,281

Dilutive shares - stock options
—

 
—

 
—

 
1

Weighted average shares outstanding - diluted
61,502

 
62,226

 
61,588

 
62,282

Net income per share attributable to common shareholders:
 
 
 
 
 
 
 
Basic
$
0.45

 
$
0.39

 
$
0.83

 
$
0.69

Diluted
$
0.45

 
$
0.39

 
$
0.83

 
$
0.69