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Note 11 - Deferred Compensation Plan (Tables)
3 Months Ended
Mar. 31, 2022
Notes Tables  
Schedule of Deferred Compensation Arrangement with Individual, Excluding Share-Based Payments and Postretirement Benefits by Title of Individual and Type of Deferred Compensation [Table Text Block]
  

March 31,

  

December 31,

 
  

2022

  

2021

 

Deferred compensation plan asset components:

        

Cash surrender value of corporate-owned life insurance policies

 $20,749  $21,386 

Fair value of mutual funds and money market funds

  31,010   31,786 

Total

 $51,759  $53,172 
         

Deferred compensation plan assets reported in:

        

Other long-term assets

 $51,759  $53,172 
         

Deferred compensation plan liabilities reported in:

        

Accrued compensation and related benefits (short-term)

 $118  $282 

Other long-term liabilities

  53,781   55,489 

Total

 $53,899  $55,771