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Earnings Per Common Share (Tables)
 12 Months Ended
Dec. 31, 2018
Earnings Per Share [Abstract]  
Computation of Basic and Diluted Earnings Per Common Share

The following table is a reconciliation of the numerator and denominator used in the computation of basic and diluted earnings per common share using the two-class method (in thousands except per share data):

 

 

Year ended December 31,

 

(in thousands):

 

2018

 

 

2017

 

 

2016

 

Earnings from continuing operations

 

$

48,410

 

 

$

45,048

 

 

$

39,825

 

Less dividend equivalents attributable to RSUs outstanding

 

 

(751

)

 

 

(567

)

 

 

(482

)

Earnings from continuing operations attributable to common stockholders

 

 

47,659

 

 

 

44,481

 

 

 

39,343

 

Earnings (loss) from discontinued operations

 

 

(704

)

 

 

2,138

 

 

 

(1,414

)

Less dividend equivalents attributable to RSUs outstanding

 

 

—

 

 

 

—

 

 

 

—

 

Earnings (loss) from discontinued operations attributable to

   common stockholders

 

 

(704

)

 

 

2,138

 

 

 

(1,414

)

Net earnings attributable to common stockholders used for

   basic and diluted earnings per share calculation

 

$

46,955

 

 

$

46,619

 

 

$

37,929

 

Weighted average common shares outstanding:

 

 

 

 

 

 

 

 

 

 

 

 

Basic

 

 

40,171

 

 

 

36,897

 

 

 

33,806

 

Incremental shares from stock-based compensation

 

 

20

 

 

 

—

 

 

 

—

 

Diluted

 

 

40,191

 

 

 

36,897

 

 

 

33,806

 

Basic earnings per common share

 

$

1.17

 

 

$

1.26

 

 

$

1.12

 

Diluted earnings per common share

 

$

1.17

 

 

$

1.26

 

 

$

1.12