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STOCK-BASED COMPENSATION PLANS (Tables)
3 Months Ended
Mar. 31, 2024
Share-Based Payment Arrangement [Abstract]  
Summary of stock-based compensation expense
The following is a summary of stock-based compensation expense (benefit):
Three Months Ended March 31,
(dollars in thousands)20242023
Restricted stock units$273 $277 
Performance restricted stock units236 240 
Total awards classified as equity509 517 
Stock appreciation rights(129)
Total stock-based compensation expense$380 $518 
Schedule of the summary of outstanding restricted stock units
The following is a summary of restricted stock unit activity:
Three Months Ended March 31,
20242023
Restricted
Stock Units
Weighted
Average
Grant Date
Fair Value
Restricted
Stock Units
Weighted
Average
Grant Date
Fair Value
Beginning balance128,159 $19.56 139,986 $18.01 
Granted51,246 19.06 41,847 22.72 
Vested(70,540)18.96 (51,693)17.91 
Forfeited— — (718)16.58 
Ending balance108,865 $19.71 129,422 $19.58 
The following is a summary of performance restricted stock unit activity:
Three Months Ended March 31,
20242023
Performance
Restricted
Stock Units
Weighted
Average
Grant Date
Fair Value
Performance
Restricted
Stock Units
Weighted
Average
Grant Date
Fair Value
Beginning balance79,097 $18.25 62,067 $17.02 
Granted19,933 19.06 17,030 22.72 
Adjustment for performance condition14,349 15.53 — — 
Vested(43,046)15.53 — — 
Forfeited— — — — 
Ending balance70,333 $19.59 79,097 $18.25 
Schedule of the status of stock appreciation rights and changes
The following is a summary of stock appreciation rights activity:
Three Months Ended March 31,
20242023
Stock
Appreciation
Rights
Weighted
Average
Grant Date
Assigned Value
Stock
Appreciation
Rights
Weighted
Average
Grant Date
Assigned Value
Beginning balance73,440$16.32 73,440$16.32 
Granted— — 
Exercised— — 
Expired— — 
Forfeited— — 
Ending balance73,440$16.32 73,440$16.32 
Schedule of assumptions used in valuing stock appreciation rights The Company uses an option pricing model to value the stock appreciation rights, using the assumptions in the following table. Expected volatility is derived from the historical volatility of the Company’s stock price and a selected peer group of industry-related companies.
March 31, 2024December 31, 2023
Risk-free interest rate4.21 %3.85 %
Expected volatility37.35 %37.37 %
Expected life (in years)5.45.7
Expected dividend yield3.99 %3.22 %