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Note 19 - Stock-based Compensation (Tables)
9 Months Ended
Sep. 30, 2023
Notes Tables  
Schedule of Share-based Compensation Arrangement by Share-based Payment Award Fair Value Assumptions and Methodology [Table Text Block]

Assumptions

 

2023

  

2022

 

Dividend yield

  2.24%  2.38%

Expected volatility

  27.20%  25.43%

Risk free interest rate

  3.84%  1.98%

Expected life (in years)

  7.1   7.1 
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]
  

Three months ended September 30, 2023

 

(in thousands)

 

Stock

Appreciation

Rights

  

Restricted

Stock Awards

  

Restricted

Stock Units

  

Performance

Stock Units

  

Total

 
                     

Expense

 $105  $399  $126  $402  $1,032 

Deferred tax benefit

  (22)  (84)  (26)  (84)  (216)

Total net expense

 $83  $315  $100  $318  $816 
  

Three months ended September 30, 2022

 

(in thousands)

 

Stock

Appreciation

Rights

  

Restricted

Stock Awards

  

Restricted

Stock Units

  

Performance

Stock Units

  

Total

 
                     

Expense

 $94  $346  $80  $717  $1,237 

Deferred tax benefit

  (20)  (72)  (17)  (150)  (259)

Total net expense

 $74  $274  $63  $567  $978 
  

Nine months ended September 30, 2023

 

(in thousands)

 

Stock

Appreciation

Rights

  

Restricted

Stock Awards

  

Restricted

Stock Units

  

Performance

Stock Units

  

Total

 
                     

Expense

 $310  $1,204  $392  $1,313  $3,219 

Deferred tax benefit

  (65)  (253)  (82)  (276)  (676)

Total net expense

 $245  $951  $310  $1,037  $2,543 
  

Nine months ended September 30, 2022

 

(in thousands)

 

Stock

Appreciation

Rights

  

Restricted

Stock Awards

  

Restricted

Stock Units

  

Performance

Stock Units

  

Total

 
                     

Expense

 $282  $1,028  $252  $1,723  $3,285 

Deferred tax benefit

  (59)  (216)  (53)  (362)  (690)

Total net expense

 $223  $812  $199  $1,361  $2,595 
Share-Based Payment Arrangement, Nonvested Award, Cost [Table Text Block]
  

Stock

                 

(in thousands)

 

Appreciation

  

Restricted

  

Restricted

  

Performance

     

Year ended

 

Rights

  

Stock Awards

  

Stock Units

  

Stock Units

  

Total

 
                     

Remainder of 2023

 $91  $398  $125  $402  $1,016 

2024

  307   1,385   3   908   2,603 

2025

  248   1,163      485   1,896 

2026

  190   859         1,049 

2027

  111   504         615 

2028

  12   42         54 

Total estimated future expense

 $959  $4,351  $128  $1,795  $7,233 
Share-Based Payment Arrangement, Option and Stock Appreciation Rights, Activity [Table Text Block]
                       

Weighted

 
           

Weighted

      

Weighted

  

average

 
           

average

  

Aggregate

  

average

  

remaining

 
      

Exercise

  

exercise

  

intrinsic

  

fair

  

contractual

 

(in thousands, except per share and life data)

 

SARs

  

price

  

price

  

value(1)

  

value

  

life (in years)

 
                          

Outstanding, January 1, 2022

  515  $15.24-

$50.71

  $31.16  $16,854  $5.08   5.1 

Granted

  34  47.17-74.92   55.45      12.07     

Exercised

  (114) 15.24-40.00   21.55   5,258   3.63     

Forfeited

                    

Outstanding, December 31, 2022

  435  $19.37-

$74.92

  $35.60  $12,784  $6.02   5.1 
                          

Outstanding, January 1, 2023

  435  $19.37-

$74.92

  $35.60  $12,784  $6.02   5.1 

Granted

  29  60.76-60.76   60.76      16.81     

Exercised

                    

Forfeited

                    

Outstanding, September 30, 2023

  464  $19.37-

$74.92

  $37.17  $2,529  $6.69   4.7 
                          

Vested and exercisable

  349  $19.37-

$54.91

  $32.99  $3,743  $5.36   3.8 

Unvested

  115  35.90-74.92   49.83   (1,214)  10.72   3.5 

Outstanding, September 30, 2023

  464  $19.37-

$74.92

  $37.17  $2,529  $6.69   4.7 
                          

Vested in the current year

  42  $35.90-

$54.91

  $41.69  $(100) $7.62     
Schedule of Nonvested Share Activity [Table Text Block]
      

Grant date

 
      

weighted

 

(in thousands, except per share data)

 

RSAs

  

average cost

 
         

Unvested at January 1, 2022

  99  $41.07 

Shares awarded

  35   58.47 

Restrictions lapsed and shares released

  (32)  40.39 

Shares forfeited

  (6)  47.49 

Unvested at December 31, 2022

  96  $47.26 
         

Unvested at January 1, 2023

  96  $47.26 

Shares awarded

  38   63.04 

Restrictions lapsed and shares released

  (32)  43.87 

Shares forfeited

  (3)  53.33 

Unvested at September 30, 2023

  99  $54.17 
Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block]
  

Vesting

      

Shares

 

Grant

 

period

  

Fair

  

expected to

 

year

 

in years

  

value

  

be awarded

 

2021

  3   44.44   47,280 

2022

  3   48.48   36,349 

2023

  3   54.33   26,804