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Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Summary of loans, by loan type
Total loans	$ 8,267,827	$ 8,058,961
Commercial, financial and agricultural
Summary of loans, by loan type
Total loans	4,769,703	4,802,622
Real estate - mortgage
Summary of loans, by loan type
Total loans	967,792	938,901
Real estate - construction
Summary of loans, by loan type
Total loans	2,303,690	2,091,622
Consumer
Summary of loans, by loan type
Total loans	46,954	45,121
Foreign.
Summary of loans, by loan type
Total loans	$ 179,688	$ 180,695

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 20
-Name Accounting Standards Codification
-Section 40
-Paragraph 7
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-URI https://asc.fasb.org/1943274/2147481628/310-20-40-7

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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