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Off-balance sheet financial instruments (Tables) | 12 Months Ended
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Dec. 31, 2021
Off-balance sheet financial instruments. |
Summary of contractual amounts of off-balance sheet commitments | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
December 31 |  | 2021 |  | 2020 |
Commitments to extend credit | ​ | $ | 431,011 | ​ | $ | 336,667 | ​
Unused portions of lines of credit | ​ |  | 64,108 | ​ |  | 55,391 | ​
Standby letters of credit | ​ |  | 58,254 | ​ |  | 34,428 | ​
​ | ​ | $ | 553,373 | ​ | $ | 426,486 | ​

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- Definition Financial instruments which include commitments to extend credit, unused portions of lines of credit and standby letters of credit. Those instruments involve, to varying degrees, elements of credit risk in excess of the amount recognized in the consolidated balance sheets. + References No definition available. + Details
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