Earnings Per Common Share Attributable to Avista Corp. Shareholders (Tables)

9 Months Ended

Sep. 30, 2020

Earnings Per Share [Abstract]

Schedule of Computation of Basic and Diluted Earnings Per Common Share

The following table presents the computation of basic and diluted earnings per common share attributable to Avista Corp. shareholders for the three and nine months ended September 30 (in thousands, except per share amounts):

	Three months ended September 30,				Nine months ended September 30,
	2020		2019		2020		2019
Numerator:
Net income attributable to Avista Corp. shareholders	$	4,876	$	5,090	$	70,753	$	146,203
Denominator:
Weighted-average number of common shares    outstanding-basic		68,194		66,265		67,638		65,964
Effect of dilutive securities:
Performance and restricted stock awards		143		86		131		86
Weighted-average number of common shares    outstanding-diluted		68,337		66,351		67,769		66,050
Earnings per common share attributable to Avista    Corp. shareholders:
Basic	$	0.07	$	0.08	$	1.05	$	2.22
Diluted	$	0.07	$	0.08	$	1.04	$	2.21