2020

2019

2018

Basic

Net income attributable to common shares

$

44,138,000

$

49,456,000

$

42,024,000

Weighted average common shares outstanding

16,268,689

16,405,159

16,600,612

Basic earnings per common share

$

2.71

$

3.01

$

2.53

Diluted

Net income attributable to common shares

$

44,138,000

$

49,456,000

$

42,024,000

Weighted average common shares outstanding for basic earnings per common share

16,268,689

16,405,159

16,600,612

Add: Dilutive effects of share-based awards

630

3,976

5,804

Average shares and dilutive potential common shares

16,269,319

16,409,135

16,606,416

Diluted earnings per common share

$

2.71

$

3.01

$

2.53