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SHARE-BASED COMPENSATION (Tables)
 3 Months Ended
Mar. 31, 2023
Share-Based Payment Arrangement [Abstract]  
Summary of Components of Share Based Compensation Awards
The following table summarizes the components of the Corporation's share-based compensation awards recorded as an expense and the income tax benefit of such awards.
Three Months Ended
March 31,
 20232022
Stock and ESPP Options  
Pre-tax compensation expense$30 $29 
Income tax expense (benefit)(57)(17)
Stock and ESPP option expense, net of income taxes$(27)$12 
Restricted Stock Awards  
Pre-tax compensation expense$1,167 $1,071 
Income tax expense (benefit)(255)(226)
Restricted stock awards expense, net of income taxes$912 $845 
Total Share-Based Compensation  
Pre-tax compensation expense$1,197 $1,100 
Income tax expense (benefit)(312)(243)
Total share-based compensation expense, net of income taxes$885 $857 
Summary of Stock Option Activity Under Stock Option Plans
Stock option activity under the Corporation's stock option plans as of March 31, 2023 and changes during the three months ended March 31, 2023, were as follows:
 Number of
Shares		Weighted-Average Exercise PriceWeighted Average Remaining
Contractual Term
(in Years)		Aggregate
Intrinsic
Value
Outstanding at January 1, 2023
155,100 $18.89   
Exercised(58,620)$17.23   
Outstanding March 31, 2023
96,480 $19.90 2.51$1,259,244 
Vested and Expected to Vest at March 31, 202396,480 $19.90 2.51$1,259,244 
Exercisable at March 31, 202396,480 $19.90 2.51$1,259,244 
Summary of Unvested RSAs Outstanding
The following table summarizes information on unvested RSAs outstanding as of March 31, 2023:
 Number of SharesWeighted-Average
Grant Date Fair Value
Unvested RSAs at January 1, 2023
416,705 $36.97 
Granted12,146 $34.41 
Vested(7,573)$26.47 
Forfeited(1,200)$36.31 
Unvested RSAs at March 31, 2023
420,078 $37.09