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Commitments and Contingent Liabilities (Tables) | 9 Months Ended
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Sep. 30, 2025
Commitments and Contingent Liabilities |
Schedule of financial instruments with off-balance sheet risk | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, | ​ | December 31,
(dollars in thousands) |  | 2025 |  | 2024
Financial instruments whose contract amounts represent credit risk: | ​ | ​ | ​ | ​ | ​ | ​
Commitments to extend credit | ​ | $ | 6,021,693 | ​ | $ | 5,789,600
Standby letters of credit | ​ | ​ | 243,356 | ​ | ​ | 230,379
Commercial letters of credit | ​ | ​ | 837 | ​ | ​ | 6,460

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- Definition Tabular disclosure of the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined) which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-10 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 942 -SubTopic 825 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478898/942-825-50-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-11 + Details
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