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Note 10 - Share-based Compensation (Tables)
3 Months Ended
Mar. 31, 2024
Notes Tables  
Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
  

2023 grant with 7 year expiration

  

2023 grant with 5 year expiration

 

Risk-free interest rate

  3.79%  3.87%

Expected dividend yield

  3.00%  3.00%

Expected common stock volatility

  40.76%  40.76%

Expected life (in years)

  7   6.5 
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
  

For the Three Months Ended March 31, 2024

 
      

Aggregate

  

Remaining

  

Weighted-

 
      

Intrinsic Value

  

Contractual

  

Average

 
  

Options/SARs

  

(in thousands)

  

Term (Yrs.)

  

Exercise Price

 

Outstanding, January 1

  594,561          $22.81 

Granted

              

Exercised

  (500)          12.01 

Forfeited

              

Expired

              

Outstanding, March 31

  594,061  $2,580   5.92  $22.82 
                 

Exercisable, March 31

  347,396  $1,909   4.37  $21.66 
  

For the Three Months Ended March 31, 2023

 
      

Aggregate

  

Remaining

  

Weighted-

 
      

Intrinsic Value

  

Contractual

  

Average

 
  

Options/SARs

  

(in thousands)

  

Term (Yrs.)

  

Exercise Price

 

Outstanding, January 1

  473,212          $21.36 

Granted

  176,384           26.37 

Exercised

  (1,000)          12.01 

Forfeited

              

Expired

              

Outstanding, March 31

  648,596  $740   6.86  $22.74 
                 

Exercisable, March 31

  288,517  $740   4.47  $20.78 
Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block]
  

RSUs

  

Weighted Average Grant Date Fair Value

 

Nonvested, December 31, 2023

  2,399  $21.73 

Granted

      

Forfeited

      

Vested

      

Nonvested, March 31, 2024

  2,399  $21.73 
  

RSUs

  

Weighted Average Grant Date Fair Value

 

Nonvested, December 31, 2022

  7,204  $20.49 

Granted

      

Forfeited

      

Vested

      

Nonvested, March 31, 2023

  7,204  $20.49