Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2020

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

2020

2019

2018

Basic earnings per common share

Net income attributable to Quaker Chemical Corporation

$ 

39,658

$ 

31,622

$ 

59,473

Less: income allocated to participating securities

(148)

(90)

(253)

Net income available to common shareholders

$ 

39,510

$

31,532

$

59,220

Basic weighted average common shares outstanding

17,719,792

15,126,928

13,268,047

Basic earnings per common share

$

2.23

$

2.08

$

4.46

Diluted earnings per common share

Net income attributable to Quaker Chemical Corporation

$

39,658

$

31,622

$

59,473

Less: income allocated to participating securities

(148)

(90)

(252)

Net income available to common shareholders

$

39,510

$

31,532

$

59,221

Basic weighted average common shares outstanding

17,719,792

15,126,928

13,268,047

Effect of dilutive securities

31,087

36,243

36,685

Diluted weighted average common shares outstanding

17,750,879

15,163,171

13,304,732

Diluted earnings per common share

$

2.22

$

2.08

$

4.45