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Share-Based Payments: (Tables)
 9 Months Ended
Sep. 30, 2023
Equity:  
The following table sets forth information with respect to nonvested options for the nine months ended September 30, 2023:

The following table sets forth information with respect to nonvested options for the nine months ended September 30, 2023:

 

  

Number of

Shares

  

Weighted

Average

Grant-Date

Fair Value

 
Nonvested options – beginning of period   168,730   $16.31 
Nonvested options granted   —    — 
Nonvested options vested or forfeited   (27,625)  $13.91 
Nonvested options – end of period   141,105   $16.78 
The following table summarizes stock option information as of September 30, 2023:

The following table summarizes stock option information as of September 30, 2023:

 

   Shares  

Weighted

Average

Exercise Price

 
         
Outstanding at January 1, 2023   441,580   $67.30 
Options forfeited   (20,025)   72.22 
Options exercised   (98,565)   56.03 
           
Outstanding at September 30, 2023   322,990   $70.43 
          
Options exercisable   181,885   $61.44 
Options available for future grants   579,000      
Cash proceeds, tax benefits and intrinsic value related to stock options exercised during the nine months ended September 30, 2023 and 2022 were as follows:

Cash proceeds, tax benefits and intrinsic value related to stock options exercised during the nine months ended September 30, 2023 and 2022 were as follows:

 

(In thousands)  September 30, 
2023		   September 30, 
2022		 
         
Cash proceeds from stock options exercised  $5,523   $1,816 
Tax benefits   900    320 
Intrinsic value of stock options exercised   6,135    2,105