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Earnings Per Share (Tables)
 12 Months Ended
Dec. 31, 2017
Earnings Per Share [Abstract]  
Reconciliation of Basic and Diluted Earnings per Share Computations

The following is a reconciliation of the basic and diluted EPS computations for the years ended December 31, 2017, 2016 and 2015:

 

 

 

Years Ended December 31,

 

amounts in thousands, except  per share amounts

 

2017

 

 

2016

 

 

2015

 

Net Income

 

$

40,494

 

 

$

82,726

 

 

$

81,057

 

Basic Weighted Average Shares

 

 

29,441

 

 

 

29,074

 

 

 

28,785

 

Effect of Common Stock Equivalents:

 

 

 

 

 

 

 

 

 

 

 

 

Assumed Exercise of Stock Options and Vesting

   of Stock Grants

 

 

630

 

 

 

958

 

 

 

866

 

Diluted Weighted Average Shares

 

 

30,071

 

 

 

30,032

 

 

 

29,651

 

Net Income per Common Share:

 

 

 

 

 

 

 

 

 

 

 

 

Basic

 

$

1.38

 

 

$

2.85

 

 

$

2.82

 

Diluted

 

$

1.35

 

 

$

2.75

 

 

$

2.73