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Note 4 - Mortgage Banking (Tables)
12 Months Ended
Dec. 31, 2022
Notes Tables  
Schedule of Activity in Secondary Market Loans [Table Text Block]

(Dollars in thousands)

            
  

2022

  

2021

  

2020

 

Loans originated for resale, net of principal payments

 $71,829  $197,387  $326,286 

Proceeds from loan sales

  77,681   205,398   325,306 

Net gains on sales of loans held for sale

  2,343   6,776   11,313 

Loan servicing fees, net of amortization

  175   (163)  (129)
Servicing Asset at Amortized Cost [Table Text Block]

(Dollars in thousands)

            
  

2022

  

2021

  

2020

 

Balance, beginning of year

 $4,667  $3,967  $2,131 

Capitalized

  1,007   1,961   3,554 

Amortization

  (1,352)  (1,635)  (1,344)

Market valuation allowance change

  -   374   (374)

Balance, end of year

 $4,322  $4,667  $3,967