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Note 19 - Stock-based Compensation (Tables)
6 Months Ended
Jun. 30, 2022
Notes Tables  
Schedule of Share-based Compensation Arrangement by Share-based Payment Award Fair Value Assumptions and Methodology [Table Text Block]

Assumptions

 

2022

  

2021

 

Dividend yield

  2.38%  2.52%

Expected volatility

  25.42%  25.21%

Risk free interest rate

  1.98%  1.23%

Expected life (in years)

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

Three months ended June 30, 2022

 

(in thousands)

 

Stock

Appreciation

Rights

  

Restricted

Stock Awards

  

Restricted

Stock Units

  

Performance

Stock Units

  

Total

 
                     

Expense

 $94  $350  $87  $526  $1,057 

Deferred tax benefit

  (19)  (74)  (18)  (111)  (222)

Total net expense

 $75  $276  $69  $415  $835 
  

Three months ended June 30, 2021

 

(in thousands)

 

Stock

Appreciation

Rights

  

Restricted

Stock Awards

  

Restricted

Stock Units

  

Performance

Stock Units

  

Total

 
                     

Expense

 $86  $337  $78  $913  $1,414 

Deferred tax benefit

  (18)  (71)  (16)  (192)  (297)

Total net expense

 $68  $266  $62  $721  $1,117 
  

Six months ended June 30, 2022

 

(in thousands)

 

Stock

Appreciation

Rights

  

Restricted

Stock Awards

  

Restricted

Stock Units

  

Performance

Stock Units

  

Total

 
                     

Expense

 $187  $682  $172  $1,007  $2,048 

Deferred tax benefit

  (39)  (144)  (36)  (212)  (431)

Total net expense

 $148  $538  $136  $795  $1,617 
  

Six months ended June 30, 2021

 

(in thousands)

 

Stock

Appreciation

Rights

  

Restricted

Stock Awards

  

Restricted

Stock Units

  

Performance

Stock Units

  

Total

 
                     

Expense

 $175  $666  $154  $1,268  $2,263 

Deferred tax benefit

  (37)  (140)  (32)  (267)  (476)

Total net expense

 $138  $526  $122  $1,001  $1,787 
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 2022

 $189  $715  $159  $1,054  $2,117 

2023

  311   1,232   2   1,303   2,848 

2024

  205   1,002      603   1,810 

2025

  146   763         909 

2026

  88   436         524 

2027

  10   50         60 

Total estimated expense

 $949  $4,198  $161  $2,960  $8,268 
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 data)

 

SARs

  

price

  

price

  

value(1)

  

value

  

life (in years)

 
                          

Outstanding, January 1, 2021

  593  $15.24-$40.00  $27.47  $7,706  $4.44   5.1 

Granted

  30   47.17-50.71   50.48      9.69     

Exercised

  (108)  15.24-19.37   16.40   4,239   2.85     

Forfeited

                    

Outstanding, December 31, 2021

  515  $15.24-$50.71  $31.16  $16,854  $5.08   5.1 
                          

Outstanding, January 1, 2022

  515  $15.24-$50.71  $31.16  $16,854  $5.08   5.1 

Granted

  33   53.29-54.91   54.86      11.82     

Exercised

  (61)  15.24-36.65   16.69   2,544   2.78     

Forfeited

                    

Outstanding, June 30, 2022

  487  $15.24-$54.91  $34.58  $12,294  $5.83   5.4 
                          

Vested and exercisable

  349  $15.24-$50.71  $30.84  $10,121  $4.97   4.4 

Unvested

  138   35.90-54.91   44.06   2,173   8.08   3.3 

Outstanding, June 30, 2022

  487  $15.24-$54.91  $34.58  $12,294  $5.83   5.4 
                          

Vested in the current year

  43  $35.90-$50.71  $39.29  $881  $6.71     
Schedule of Nonvested Share Activity [Table Text Block]
      

Grant date

 
      

weighted

 

(in thousands, except per share data)

 

RSAs

  

average cost

 
         

Unvested at January 1, 2021

  99  $36.85 

Shares awarded

  39   46.90 

Restrictions lapsed and shares released

  (34)  35.48 

Shares forfeited

  (5)  40.81 

Unvested at December 31, 2021

  99  $41.07 
         

Unvested at January 1, 2022

  99  $41.07 

Shares awarded

  36   58.47 

Restrictions lapsed and shares released

  (31)  40.38 

Shares forfeited

  (3)  45.15 

Unvested at June 30, 2022

  101  $47.25 
Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block]
  

Vesting

      

Expected

 

Grant

 

period

  

Fair

  

shares to

 

year

 

in years

  

value

  

be awarded

 

2020

  3  $32.27   65,111 

2021

  3   44.44   47,280 

2022

  3   48.48   36,350