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Off-balance sheet financial instruments (Tables)
12 Months Ended
Dec. 31, 2022
Off-balance sheet financial instruments.  
Summary of contractual amounts of off-balance sheet commitments

(Dollars in thousands)

    

2022

    

2021

 

Commitments to extend credit

$

553,337

$

431,011

Unused portions of lines of credit

 

78,406

 

64,108

Standby letters of credit

 

57,626

 

58,254

$

689,369

$

553,373