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Note 11 - Deferred Compensation Plan (Tables)
9 Months Ended
Sep. 30, 2023
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]
   

September 30,

   

December 31,

 
   

2023

   

2022

 

Deferred compensation plan asset components:

               

Cash surrender value of corporate-owned life insurance policies

  $ 21,074     $ 19,089  

Fair value of mutual funds and money market funds

    49,825       43,933  

Total

  $ 70,899     $ 63,022  
                 

Deferred compensation plan assets reported in:

               

Other long-term assets

  $ 70,899     $ 63,022  
                 

Deferred compensation plan liabilities reported in:

               

Accrued compensation and related benefits (short-term)

  $ 4,191     $ 118  

Other long-term liabilities

    69,327       64,863  

Total

  $ 73,518     $ 64,981