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Note 12 - Commitments, Contingencies, and Concentrations of Credit Risk (Tables)
12 Months Ended
Dec. 31, 2022
Notes Tables  
Schedule of Fair Value, off-Balance-Sheet Risks [Table Text Block]
  

2022

  

2021

 
  

(dollars in thousands)

 

Commitments under commercial loans and lines of credit

 $662,515  $647,971 

Home equity and other revolving lines of credit

  54,302   53,180 

Outstanding commercial mortgage loan commitments

  433,034   514,473 

Standby letters of credit

  20,770   25,271 

Overdraft protection lines

  905   973 

Total

 $1,171,526  $1,241,868