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Purchased Loans - Summary of Purchased Loans (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Summary of loans |  |
Gross loans | $ 11,084,738 | $ 9,689,638
Commercial, financial, agricultural |  |
Summary of loans |  |
Gross loans | 2,648,062 | 1,367,972
Real estate – construction: |  |
Summary of loans |  |
Gross loans | 773,119 | 826,483
Real estate – 1-4 family mortgage |  |
Summary of loans |  |
Gross loans | 2,760,394 | 2,866,613
Real estate – commercial mortgage: |  |
Summary of loans |  |
Gross loans | 4,577,009 | 4,244,265
Installment loans to individuals |  |
Summary of loans |  |
Gross loans | 243,226 | 384,305
Purchased loans |  |
Summary of loans |  |
Gross loans | 1,660,514 | 2,101,664
Purchased loans | Commercial, financial, agricultural |  |
Summary of loans |  |
Gross loans | 202,768 | 315,619
Purchased loans | Real estate – construction: |  |
Summary of loans |  |
Gross loans | 34,246 | 51,582
Purchased loans | Real estate – construction: | Residential |  |
Summary of loans |  |
Gross loans | 3,093 | 16,407
Purchased loans | Real estate – construction: | Commercial |  |
Summary of loans |  |
Gross loans | 31,153 | 35,175
Purchased loans | Real estate – 1-4 family mortgage |  |
Summary of loans |  |
Gross loans | 391,102 | 516,487
Purchased loans | Real estate – 1-4 family mortgage | Primary |  |
Summary of loans |  |
Gross loans | 245,369 | 332,729
Purchased loans | Real estate – 1-4 family mortgage | Home equity |  |
Summary of loans |  |
Gross loans | 95,235 | 117,275
Purchased loans | Real estate – 1-4 family mortgage | Rental/investment |  |
Summary of loans |  |
Gross loans | 33,567 | 43,169
Purchased loans | Real estate – 1-4 family mortgage | Land development |  |
Summary of loans |  |
Gross loans | 16,931 | 23,314
Purchased loans | Real estate – commercial mortgage: |  |
Summary of loans |  |
Gross loans | 966,367 | 1,115,389
Purchased loans | Real estate – commercial mortgage: | Land development |  |
Summary of loans |  |
Gross loans | 32,694 |
Purchased loans | Real estate – commercial mortgage: | Owner-occupied |  |
Summary of loans |  |
Gross loans | 355,994 | 428,077
Purchased loans | Real estate – commercial mortgage: | Non-owner occupied |  |
Summary of loans |  |
Gross loans | 577,679 | 647,308
Purchased loans | Real estate – commercial mortgage: | Land development |  |
Summary of loans |  |
Gross loans | 32,694 | 40,004
Purchased loans | Installment loans to individuals |  |
Summary of loans |  |
Gross loans | $ 66,031 | $ 102,587

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