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Earnings Per Share (Tables)
12 Months Ended
Dec. 31, 2021
Earnings Per Share [Abstract]  
Earnings Per Share

The following table presents the components of basic and diluted earnings (loss) per share (in thousands, except per share amounts):

 

 

 

Year Ended December 31,

 

 

 

2021

 

 

2020

 

 

2019

 

Net earnings (loss) attributable to Kirby

 

$

(246,954

)

 

$

(272,546

)

 

$

142,347

 

Undistributed earnings allocated to restricted shares

 

 

 

 

 

 

 

 

(369

)

Earnings (loss) available to Kirby common stockholders — basic

 

 

(246,954

)

 

 

(272,546

)

 

 

141,978

 

Undistributed earnings allocated to restricted shares

 

 

 

 

 

 

 

 

369

 

Undistributed earnings reallocated to restricted shares

 

 

 

 

 

 

 

 

(369

)

Earnings (loss) available to Kirby common stockholders — diluted

 

$

(246,954

)

 

$

(272,546

)

 

$

141,978

 

 

 

 

 

 

 

 

 

 

 

Shares outstanding:

 

 

 

 

 

 

 

 

 

Weighted average common stock issued and outstanding

 

 

60,099

 

 

 

60,021

 

 

 

59,905

 

Weighted average unvested restricted stock

 

 

(46

)

 

 

(109

)

 

 

(155

)

Weighted average common stock outstanding — basic

 

 

60,053

 

 

 

59,912

 

 

 

59,750

 

Dilutive effect of stock options and restricted stock units

 

 

 

 

 

 

 

 

159

 

Weighted average common stock outstanding — diluted

 

 

60,053

 

 

 

59,912

 

 

 

59,909

 

 

 

 

 

 

 

 

 

 

 

Net earnings (loss) per share attributable to Kirby common stockholders:

 

 

 

 

 

 

 

 

 

Basic

 

$

(4.11

)

 

$

(4.55

)

 

$

2.38

 

Diluted

 

$

(4.11

)

 

$

(4.55

)

 

$

2.37