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Earnings per Share (Tables)
 12 Months Ended
Dec. 31, 2019
Earnings Per Share [Abstract]  
Reconciliation of Number of Shares Used in Calculating Basic and Diluted Earnings per Share

The following table reconciles the number of shares used in calculating basic and diluted earnings per share for the years ended December 31:

 

(in thousands, except per share amounts)

 

2019

 

 

2018

 

 

2017

 

Net income

 

$

55,661

 

 

$

122,880

 

 

$

86,453

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Basic weighted-average shares outstanding

 

 

67,608

 

 

 

60,534

 

 

 

40,824

 

Incremental shares due to:

 

 

 

 

 

 

 

 

 

 

 

 

Performance shares

 

 

109

 

 

 

230

 

 

 

363

 

Restricted stock units

 

 

26

 

 

 

34

 

 

 

40

 

Stock portion of earnings and profits distribution

 

 

—

 

 

 

1,016

 

 

 

—

 

Diluted weighted-average shares outstanding

 

 

67,743

 

 

 

61,814

 

 

 

41,227

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Basic net income per share

 

$

0.82

 

 

$

2.03

 

 

$

2.12

 

Diluted net income per share

 

$

0.82

 

 

$

1.99

 

 

$

2.10