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Purchased Loans - Summary of Purchased Loans (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021 | Jun. 30, 2021
--- | --- | --- | ---
Summary of loans |  |  |
Gross loans | $ 10,603,744 | $ 10,020,914 | $ 10,149,242
Commercial, financial, agricultural |  |  |
Summary of loans |  |  |
Gross loans | 1,497,272 |  | 1,634,633
Real estate – construction: |  |  |
Summary of loans |  |  |
Gross loans | 1,126,363 |  | 1,051,359
Real estate – 1-4 family mortgage: |  |  |
Summary of loans |  |  |
Gross loans | 3,030,083 |  | 2,702,091
Real estate – commercial mortgage: |  |  |
Summary of loans |  |  |
Gross loans | 4,717,513 |  | 4,530,169
Installment loans to individuals |  |  |
Summary of loans |  |  |
Gross loans | 131,163 |  | $ 156,987
Purchased loans |  |  |
Summary of loans |  |  |
Gross loans | 911,628 | 1,009,903 |
Purchased loans | Commercial, financial, agricultural |  |  |
Summary of loans |  |  |
Gross loans | 91,630 | 90,308 |
Purchased loans | Real estate – construction: |  |  |
Summary of loans |  |  |
Gross loans | 5,246 | 4,994 |
Purchased loans | Real estate – construction: | Residential |  |  |
Summary of loans |  |  |
Gross loans | 1,254 | 1,287 |
Purchased loans | Real estate – construction: | Commercial |  |  |
Summary of loans |  |  |
Gross loans | 3,992 | 3,707 |
Purchased loans | Real estate – 1-4 family mortgage: |  |  |
Summary of loans |  |  |
Gross loans | 180,408 | 215,773 |
Purchased loans | Real estate – 1-4 family mortgage: | Primary |  |  |
Summary of loans |  |  |
Gross loans | 108,543 | 134,070 |
Purchased loans | Real estate – 1-4 family mortgage: | Home equity |  |  |
Summary of loans |  |  |
Gross loans | 45,003 | 51,496 |
Purchased loans | Real estate – 1-4 family mortgage: | Rental/investment |  |  |
Summary of loans |  |  |
Gross loans | 17,915 | 20,229 |
Purchased loans | Real estate – 1-4 family mortgage: | Land development |  |  |
Summary of loans |  |  |
Gross loans | 8,947 | 9,978 |
Purchased loans | Real estate – commercial mortgage: |  |  |
Summary of loans |  |  |
Gross loans | 606,842 | 663,053 |
Purchased loans | Real estate – commercial mortgage: | Land development |  |  |
Summary of loans |  |  |
Gross loans | 13,908 | 18,344 |
Purchased loans | Real estate – commercial mortgage: | Owner-occupied |  |  |
Summary of loans |  |  |
Gross loans | 210,086 | 234,132 |
Purchased loans | Real estate – commercial mortgage: | Non-owner occupied |  |  |
Summary of loans |  |  |
Gross loans | 382,848 | 410,577 |
Purchased loans | Real estate – commercial mortgage: | Land development |  |  |
Summary of loans |  |  |
Gross loans | 13,908 | 18,344 |
Purchased loans | Installment loans to individuals |  |  |
Summary of loans |  |  |
Gross loans | $ 27,502 | $ 35,775 |

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