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Note 17 - Shareholders' Equity (Tables)
12 Months Ended
Dec. 31, 2022
Notes Tables  
Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]

Years Ended December 31,

 

2022

  

2021

  

2020

 
  

RSUs

  

Weighted-Average Grant-Date Fair Value per RSU

  

RSUs

  

Weighted-Average Grant-Date Fair Value per RSU

  

RSUs

  

Weighted-Average Grant-Date Fair Value per RSU

 

Outstanding, beginning balance

  553  $30.09   601  $24.96   387  $43.99 

Granted

  311   31.70   254   40.34   462   12.89 

Vested

  (263)  28.98   (235)  28.77   (190)  34.36 

Forfeited

  (33)  28.21   (67)  22.50   (58)  24.76 

Outstanding, ending balance

  568  $31.64   553  $30.09   601  $24.96