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Employee Benefit Plans (Tables)
 6 Months Ended
Jun. 30, 2023
Share-Based Payment Arrangement, Noncash Expense [Abstract]  
Restricted Shares Activity And Related Information
A summary of the Company’s restricted shares activity and related information is presented below:
Six months ended June 30,
 20232022
Restricted AwardsAverage Market Price at GrantRestricted AwardsAverage Market Price at Grant
Outstanding at January 1140,606 $73.87 146,755 $72.16 
Granted35,663 91.90 33,159 77.54 
Vested(43,417)73.02 (41,635)72.54 
Outstanding at June 30132,852 $78.06 138,279 $73.58 
Information regarding stock-based compensation associated with restricted shares is provided in the following table (in thousands):
Three months ended June 30,Six months ended June 30,
2023202220232022
Stock-based compensation expense associated with restricted shares$633 $683 $1,341 $1,345 
At period-end:June 30, 2023
Unrecognized stock-based compensation expense associated with restricted shares$5,759 
Weighted average period (in years) in which the above amount is expected to be recognized3.15
Pension and Other Postretirement Benefits
The following table presents the components of the Company's net periodic benefit cost, which is included in the line item "other expenses" in the consolidated statements of income (in thousands):
Three months ended June 30,Six months ended June 30,
2023202220232022
Components of net periodic cost:  
Interest cost$137 $90 $274 $180 
Expected return on plan assets(210)(221)(420)(442)
Net amortization and deferral86 195 172 390 
Net Periodic Pension Cost$13 $64 $26 $128