XML 87 R74.htm IDEA: XBRL DOCUMENT v3.22.4
Off-balance sheet financial instruments - Summary of Contractual Amounts of Off-balance Sheet Commitments (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Off-balance sheet financial instruments.    
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
Total contractual amounts of off-balance sheet commitments $ 689,369 $ 553,373