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Note 15 - Income Taxes (Tables)
9 Months Ended
Sep. 30, 2021
Notes Tables  
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
  

Three Months Ended September 30,

  

Nine Months Ended September 30,

 

(dollars in thousands)

 

2021

  

2020

  

2021

  

2020

 

Provision for (benefit from) income taxes

 $8,904  $11,272  $2,068  $(5,220)

Effective tax rate

  21.5%  (12.9)%  8.3%  2.9%