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Earnings Per Common Share Attributable To Avista Corporation (Tables)
12 Months Ended
Dec. 31, 2019
Earnings Per Share [Abstract]  
Computations Of Earnings Per Share
The following table presents the computation of basic and diluted earnings per common share attributable to Avista Corp. shareholders for the years ended December 31 (in thousands, except per share amounts):
 
2019
 
2018
 
2017
Numerator:
 
 
 
 
 
Net income attributable to Avista Corp. shareholders
$
196,979

 
$
136,429

 
$
115,916

Denominator:
 
 
 
 
 
Weighted-average number of common shares outstanding-basic
66,205

 
65,673

 
64,496

Effect of dilutive securities:
 
 
 
 
 
Performance and restricted stock awards
124

 
273

 
310

Weighted-average number of common shares outstanding-diluted
66,329

 
65,946

 
64,806

Earnings per common share attributable to Avista Corp. shareholders:
 
 
 
 
 
Basic
$
2.98

 
$
2.08

 
$
1.80

Diluted
$
2.97

 
$
2.07

 
$
1.79

There were no shares excluded from the calculation because they were antidilutive.