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Non Purchased Loans - Summary of Non-Purchased Loans and Leases (Details) - USD ($) $ in Thousands | Jun. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Summary of loans |  |
Loans, net of unearned income | $ 11,000,796 | $ 9,693,463
Commercial, financial, agricultural |  |
Summary of loans |  |
Loans, net of unearned income | 2,641,598 | 1,367,972
Lease financing |  |
Summary of loans |  |
Loans, net of unearned income | 84,271 | 85,700
Real estate – construction: |  |
Summary of loans |  |
Loans, net of unearned income | 791,108 | 826,483
Real estate – construction: | Residential |  |
Summary of loans |  |
Loans, net of unearned income | 295,931 | 289,050
Real estate – construction: | Commercial |  |
Summary of loans |  |
Loans, net of unearned income | 495,177 | 537,433
Real estate – 1-4 family mortgage: |  |
Summary of loans |  |
Loans, net of unearned income | 2,788,513 | 2,866,613
Real estate – 1-4 family mortgage: | Primary |  |
Summary of loans |  |
Loans, net of unearned income | 1,756,253 | 1,781,948
Real estate – 1-4 family mortgage: | Home equity |  |
Summary of loans |  |
Loans, net of unearned income | 543,468 | 573,540
Real estate – 1-4 family mortgage: | Rental/investment |  |
Summary of loans |  |
Loans, net of unearned income | 318,803 | 335,100
Real estate – 1-4 family mortgage: | Land development |  |
Summary of loans |  |
Loans, net of unearned income | 169,989 | 176,025
Real estate – commercial mortgage: |  |
Summary of loans |  |
Loans, net of unearned income | 4,410,753 | 4,244,265
Real estate – commercial mortgage: | Land development |  |
Summary of loans |  |
Loans, net of unearned income | 155,766 | 156,089
Real estate – commercial mortgage: | Owner-occupied |  |
Summary of loans |  |
Loans, net of unearned income | 1,660,674 | 1,637,281
Real estate – commercial mortgage: | Non-owner occupied |  |
Summary of loans |  |
Loans, net of unearned income | 2,594,313 | 2,450,895
Installment loans to individuals |  |
Summary of loans |  |
Loans, net of unearned income | 284,553 | 302,430
Non purchased loans and leases |  |
Summary of loans |  |
Gross loans | 9,209,593 | 7,591,799
Unearned income | (3,492) | (3,825)
Loans, net of unearned income | 9,206,101 | 7,587,974
Non purchased loans and leases | Commercial, financial, agricultural |  |
Summary of loans |  |
Gross loans | 2,416,243 | 1,052,353
Non purchased loans and leases | Lease financing |  |
Summary of loans |  |
Gross loans | 84,271 | 85,700
Non purchased loans and leases | Real estate – construction: |  |
Summary of loans |  |
Gross loans | 756,872 | 774,901
Non purchased loans and leases | Real estate – construction: | Residential |  |
Summary of loans |  |
Gross loans | 291,983 | 272,643
Non purchased loans and leases | Real estate – construction: | Commercial |  |
Summary of loans |  |
Gross loans | 464,889 | 502,258
Non purchased loans and leases | Real estate – 1-4 family mortgage: |  |
Summary of loans |  |
Gross loans | 2,342,987 | 2,350,126
Non purchased loans and leases | Real estate – 1-4 family mortgage: | Primary |  |
Summary of loans |  |
Gross loans | 1,476,196 | 1,449,219
Non purchased loans and leases | Real estate – 1-4 family mortgage: | Home equity |  |
Summary of loans |  |
Gross loans | 440,774 | 456,265
Non purchased loans and leases | Real estate – 1-4 family mortgage: | Rental/investment |  |
Summary of loans |  |
Gross loans | 277,647 | 291,931
Non purchased loans and leases | Real estate – 1-4 family mortgage: | Land development |  |
Summary of loans |  |
Gross loans | 148,370 | 152,711
Non purchased loans and leases | Real estate – commercial mortgage: |  |
Summary of loans |  |
Gross loans | 3,400,718 | 3,128,876
Non purchased loans and leases | Real estate – commercial mortgage: | Land development |  |
Summary of loans |  |
Gross loans | 118,777 | 116,085
Non purchased loans and leases | Real estate – commercial mortgage: | Owner-occupied |  |
Summary of loans |  |
Gross loans | 1,270,197 | 1,209,204
Non purchased loans and leases | Real estate – commercial mortgage: | Non-owner occupied |  |
Summary of loans |  |
Gross loans | 2,011,744 | 1,803,587
Non purchased loans and leases | Installment loans to individuals |  |
Summary of loans |  |
Gross loans | $ 208,502 | $ 199,843

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