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Non Purchased Loans - Summary of Non-Purchased Loans and Leases (Details) - USD ($) $ in Thousands | Jun. 30, 2021 | Dec. 31, 2020 | Jun. 30, 2020
--- | --- | --- | ---
Summary of loans |  |  |
Gross loans | $ 10,153,267 | $ 10,937,807 |
Unearned income | (4,025) | (4,160) |
Loans, net of unearned income | 10,149,242 | 10,933,647 | $ 10,997,304
Commercial, financial, agricultural |  |  |
Summary of loans |  |  |
Gross loans | 1,634,633 | 2,536,984 |
Loans, net of unearned income | 1,634,633 |  | 2,641,598
Lease financing |  |  |
Summary of loans |  |  |
Gross loans | 78,028 | 80,022 |
Loans, net of unearned income | 74,003 |  | 80,779
Real estate – construction: |  |  |
Summary of loans |  |  |
Gross loans | 1,051,359 | 858,104 |
Loans, net of unearned income | 1,051,359 |  | 791,108
Real estate – construction: | Residential |  |  |
Summary of loans |  |  |
Gross loans | 277,163 | 246,673 |
Real estate – construction: | Commercial |  |  |
Summary of loans |  |  |
Gross loans | 774,196 | 611,431 |
Real estate – 1-4 family mortgage: |  |  |
Summary of loans |  |  |
Gross loans | 2,702,091 | 2,698,308 |
Loans, net of unearned income | 2,702,091 |  | 2,788,513
Real estate – 1-4 family mortgage: | Primary |  |  |
Summary of loans |  |  |
Gross loans | 1,790,522 | 1,750,951 |
Real estate – 1-4 family mortgage: | Home equity |  |  |
Summary of loans |  |  |
Gross loans | 489,933 | 513,160 |
Real estate – 1-4 family mortgage: | Rental/investment |  |  |
Summary of loans |  |  |
Gross loans | 297,341 | 296,364 |
Real estate – commercial mortgage: |  |  |
Summary of loans |  |  |
Gross loans | 4,530,169 | 4,554,852 |
Loans, net of unearned income | 4,530,169 |  | 4,410,753
Real estate – commercial mortgage: | Owner-occupied |  |  |
Summary of loans |  |  |
Gross loans | 1,663,191 | 1,657,806 |
Real estate – commercial mortgage: | Non-owner occupied |  |  |
Summary of loans |  |  |
Gross loans | 2,742,029 | 2,747,467 |
Installment loans to individuals |  |  |
Summary of loans |  |  |
Gross loans | 156,987 | 209,537 |
Loans, net of unearned income | 156,987 |  | $ 284,553
Non purchased loans and leases |  |  |
Summary of loans |  |  |
Gross loans | 8,896,569 | 9,423,700 |
Unearned income | (4,025) | (4,160) |
Loans, net of unearned income | 8,892,544 | 9,419,540 |
Non purchased loans and leases | Paycheck Protection Program |  |  |
Summary of loans |  |  |
Loans, net of unearned income | 246,931 | 1,128,703 |
Non purchased loans and leases | Commercial, financial, agricultural |  |  |
Summary of loans |  |  |
Gross loans | 1,509,908 | 2,360,471 |
Non purchased loans and leases | Lease financing |  |  |
Summary of loans |  |  |
Gross loans | 78,028 | 80,022 |
Non purchased loans and leases | Real estate – construction: |  |  |
Summary of loans |  |  |
Gross loans | 1,038,613 | 827,152 |
Non purchased loans and leases | Real estate – construction: | Residential |  |  |
Summary of loans |  |  |
Gross loans | 274,599 | 243,814 |
Non purchased loans and leases | Real estate – construction: | Commercial |  |  |
Summary of loans |  |  |
Gross loans | 764,014 | 583,338 |
Non purchased loans and leases | Real estate – 1-4 family mortgage: |  |  |
Summary of loans |  |  |
Gross loans | 2,435,574 | 2,356,564 |
Non purchased loans and leases | Real estate – 1-4 family mortgage: | Primary |  |  |
Summary of loans |  |  |
Gross loans | 1,623,987 | 1,536,181 |
Non purchased loans and leases | Real estate – 1-4 family mortgage: | Home equity |  |  |
Summary of loans |  |  |
Gross loans | 426,845 | 432,768 |
Non purchased loans and leases | Real estate – 1-4 family mortgage: | Rental/investment |  |  |
Summary of loans |  |  |
Gross loans | 271,397 | 264,436 |
Non purchased loans and leases | Real estate – 1-4 family mortgage: | Land development |  |  |
Summary of loans |  |  |
Gross loans | 113,345 | 123,179 |
Non purchased loans and leases | Real estate – commercial mortgage: |  |  |
Summary of loans |  |  |
Gross loans | 3,723,309 | 3,649,629 |
Non purchased loans and leases | Real estate – commercial mortgage: | Land development |  |  |
Summary of loans |  |  |
Gross loans | 101,047 | 120,125 |
Non purchased loans and leases | Real estate – commercial mortgage: | Owner-occupied |  |  |
Summary of loans |  |  |
Gross loans | 1,373,150 | 1,334,765 |
Non purchased loans and leases | Real estate – commercial mortgage: | Non-owner occupied |  |  |
Summary of loans |  |  |
Gross loans | 2,249,112 | 2,194,739 |
Non purchased loans and leases | Installment loans to individuals |  |  |
Summary of loans |  |  |
Gross loans | $ 111,137 | $ 149,862 |

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