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Stock-Based Compensation Plans (Tables)
12 Months Ended
Dec. 31, 2020
Share Based Compensation Arrangement By Share Based Payment Award Additional General Disclosures [Abstract]  
Schedule of Weighted Average Assumptions used in Black-Scholes Model for Valuing Stock Option Grants The weighted average assumptions used in the Black-Scholes model for valuing stock option grants were as follows.

 

December 31

 

 

2020

 

 

2019

 

 

 

 

 

 

 

 

 

Dividend yield

 

0.00

%

 

 

0.00

%

Expected volatility

 

25.40

%

 

 

20.35

%

Risk-free interest rate

 

0.53

%

 

 

2.41

%

Expected average Life

 

7.5

 

 

 

7.5

 

Weighted average per share fair value

$

2.02

 

 

$

2.97