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Non Purchased Loans - Aging of Past Due and Nonaccrual Loans (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Past due and nonaccrual loans |  |
Gross loans | $ 10,937,807 | $ 9,693,463
Unearned income | (4,160) | (3,825)
Loans, net of unearned income | 10,933,647 | 9,689,638
Commercial, financial, agricultural |  |
Past due and nonaccrual loans |  |
Gross loans | 2,536,984 | 1,367,972
Loans, net of unearned income | 2,536,984 | 1,367,972
Lease financing |  |
Past due and nonaccrual loans |  |
Gross loans | 80,022 | 85,700
Loans, net of unearned income | 75,862 |
Real estate - construction |  |
Past due and nonaccrual loans |  |
Gross loans | 858,104 | 826,483
Loans, net of unearned income | 858,104 | 826,483
Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Gross loans | 2,698,308 | 2,866,613
Loans, net of unearned income | 2,698,308 | 2,866,613
Real estate - commercial mortgage |  |
Past due and nonaccrual loans |  |
Gross loans | 4,554,852 | 4,244,265
Loans, net of unearned income | 4,554,852 | 4,244,265
Installment loans to individuals |  |
Past due and nonaccrual loans |  |
Gross loans | 209,537 | 302,430
Loans, net of unearned income | 209,537 | 384,305
Primary | Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Gross loans | 1,750,951 | 1,781,948
Home Equity Loan | Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Gross loans | 513,160 | 573,540
Rental/investment | Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Gross loans | 296,364 | 335,100
Owner-occupied | Real estate - commercial mortgage |  |
Past due and nonaccrual loans |  |
Gross loans | 1,657,806 | 1,637,281
Non-owner Occupied | Real estate - commercial mortgage |  |
Past due and nonaccrual loans |  |
Gross loans | 2,747,467 | 2,450,895
Residential | Real estate - construction |  |
Past due and nonaccrual loans |  |
Gross loans | 246,673 | 289,050
Commercial | Real estate - construction |  |
Past due and nonaccrual loans |  |
Gross loans | 611,431 | 537,433
Non-Purchased |  |
Past due and nonaccrual loans |  |
Gross loans | 9,423,700 | 7,591,799
Unearned income | (4,160) | (3,825)
Loans, net of unearned income | 9,419,540 | 7,587,974
Non-Purchased | Commercial, financial, agricultural |  |
Past due and nonaccrual loans |  |
Gross loans | 2,360,471 | 1,052,353
Non-Purchased | Lease financing |  |
Past due and nonaccrual loans |  |
Gross loans | 80,022 | 85,700
Non-Purchased | Real estate - construction |  |
Past due and nonaccrual loans |  |
Gross loans | 827,152 | 774,901
Non-Purchased | Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Gross loans | 2,356,564 | 2,350,126
Non-Purchased | Real estate - commercial mortgage |  |
Past due and nonaccrual loans |  |
Gross loans | 3,649,629 | 3,128,876
Non-Purchased | Installment loans to individuals |  |
Past due and nonaccrual loans |  |
Gross loans | 149,862 | 199,843
Non-Purchased | Accruing Loans |  |
Past due and nonaccrual loans |  |
Unearned income | (4,160) | (3,825)
Current Loans | 9,377,753 | 7,540,226
Loans, net of unearned income | 9,399,171 | 7,566,465
Non-Purchased | Accruing Loans | Commercial, financial, agricultural |  |
Past due and nonaccrual loans |  |
Current loans | 2,354,716 | 1,045,802
Gross loans | 2,356,071 | 1,046,883
Non-Purchased | Accruing Loans | Lease financing |  |
Past due and nonaccrual loans |  |
Current loans | 79,974 | 85,474
Gross loans | 79,974 | 85,474
Non-Purchased | Accruing Loans | Real estate - construction |  |
Past due and nonaccrual loans |  |
Current loans | 826,655 | 774,107
Gross loans | 826,655 | 774,901
Non-Purchased | Accruing Loans | Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Current loans | 2,330,533 | 2,320,328
Gross loans | 2,346,658 | 2,340,850
Non-Purchased | Accruing Loans | Real estate - commercial mortgage |  |
Past due and nonaccrual loans |  |
Current loans | 3,641,415 | 3,119,785
Gross loans | 3,644,266 | 3,122,423
Non-Purchased | Accruing Loans | Installment loans to individuals |  |
Past due and nonaccrual loans |  |
Current loans | 148,620 | 198,555
Gross loans | 149,707 | 199,759
Non-Purchased | Nonaccruing Loans |  |
Past due and nonaccrual loans |  |
Unearned income | 0 |
Current Loans | 7,826 | 3,635
Loans, net of unearned income | 20,369 | 21,509
Non-Purchased | Nonaccruing Loans | Commercial, financial, agricultural |  |
Past due and nonaccrual loans |  |
Current loans | 2,432 | 60
Gross loans | 4,400 | 5,470
Non-Purchased | Nonaccruing Loans | Lease financing |  |
Past due and nonaccrual loans |  |
Current loans | 0 | 0
Gross loans | 48 | 226
Non-Purchased | Nonaccruing Loans | Real estate - construction |  |
Past due and nonaccrual loans |  |
Current loans | 0 | 0
Gross loans | 497 | 0
Non-Purchased | Nonaccruing Loans | Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Current loans | 4,865 | 2,082
Gross loans | 9,906 | 9,276
Non-Purchased | Nonaccruing Loans | Real estate - commercial mortgage |  |
Past due and nonaccrual loans |  |
Current loans | 495 | 1,426
Gross loans | 5,363 | 6,453
Non-Purchased | Nonaccruing Loans | Installment loans to individuals |  |
Past due and nonaccrual loans |  |
Current loans | 34 | 67
Gross loans | 155 | 84
Non-Purchased | 30-89 Days Past Due | Accruing Loans |  |
Past due and nonaccrual loans |  |
Loans past due | 17,635 | 22,781
Non-Purchased | 30-89 Days Past Due | Accruing Loans | Commercial, financial, agricultural |  |
Past due and nonaccrual loans |  |
Past due, gross | 1,124 | 605
Non-Purchased | 30-89 Days Past Due | Accruing Loans | Lease financing |  |
Past due and nonaccrual loans |  |
Past due, gross | 0 | 0
Non-Purchased | 30-89 Days Past Due | Accruing Loans | Real estate - construction |  |
Past due and nonaccrual loans |  |
Past due, gross | 0 | 794
Non-Purchased | 30-89 Days Past Due | Accruing Loans | Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Past due, gross | 13,801 | 18,020
Non-Purchased | 30-89 Days Past Due | Accruing Loans | Real estate - commercial mortgage |  |
Past due and nonaccrual loans |  |
Past due, gross | 1,814 | 2,362
Non-Purchased | 30-89 Days Past Due | Accruing Loans | Installment loans to individuals |  |
Past due and nonaccrual loans |  |
Past due, gross | 896 | 1,000
Non-Purchased | 30-89 Days Past Due | Nonaccruing Loans |  |
Past due and nonaccrual loans |  |
Loans past due | 2,204 | 1,382
Non-Purchased | 30-89 Days Past Due | Nonaccruing Loans | Commercial, financial, agricultural |  |
Past due and nonaccrual loans |  |
Past due, gross | 164 | 387
Non-Purchased | 30-89 Days Past Due | Nonaccruing Loans | Lease financing |  |
Past due and nonaccrual loans |  |
Past due, gross | 0 | 0
Non-Purchased | 30-89 Days Past Due | Nonaccruing Loans | Real estate - construction |  |
Past due and nonaccrual loans |  |
Past due, gross | 0 | 0
Non-Purchased | 30-89 Days Past Due | Nonaccruing Loans | Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Past due, gross | 1,992 | 623
Non-Purchased | 30-89 Days Past Due | Nonaccruing Loans | Real estate - commercial mortgage |  |
Past due and nonaccrual loans |  |
Past due, gross | 44 | 372
Non-Purchased | 30-89 Days Past Due | Nonaccruing Loans | Installment loans to individuals |  |
Past due and nonaccrual loans |  |
Past due, gross | 4 | 0
Non-Purchased | 90 Days or More Past Due | Accruing Loans |  |
Past due and nonaccrual loans |  |
Loans past due | 3,783 | 3,458
Non-Purchased | 90 Days or More Past Due | Accruing Loans | Commercial, financial, agricultural |  |
Past due and nonaccrual loans |  |
Past due, gross | 231 | 476
Non-Purchased | 90 Days or More Past Due | Accruing Loans | Lease financing |  |
Past due and nonaccrual loans |  |
Past due, gross | 0 | 0
Non-Purchased | 90 Days or More Past Due | Accruing Loans | Real estate - construction |  |
Past due and nonaccrual loans |  |
Past due, gross | 0 | 0
Non-Purchased | 90 Days or More Past Due | Accruing Loans | Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Past due, gross | 2,324 | 2,502
Non-Purchased | 90 Days or More Past Due | Accruing Loans | Real estate - commercial mortgage |  |
Past due and nonaccrual loans |  |
Past due, gross | 1,037 | 276
Non-Purchased | 90 Days or More Past Due | Accruing Loans | Installment loans to individuals |  |
Past due and nonaccrual loans |  |
Past due, gross | 191 | 204
Non-Purchased | 90 Days or More Past Due | Nonaccruing Loans |  |
Past due and nonaccrual loans |  |
Loans past due | 10,339 | 16,492
Non-Purchased | 90 Days or More Past Due | Nonaccruing Loans | Commercial, financial, agricultural |  |
Past due and nonaccrual loans |  |
Past due, gross | 1,804 | 5,023
Non-Purchased | 90 Days or More Past Due | Nonaccruing Loans | Lease financing |  |
Past due and nonaccrual loans |  |
Past due, gross | 48 | 226
Non-Purchased | 90 Days or More Past Due | Nonaccruing Loans | Real estate - construction |  |
Past due and nonaccrual loans |  |
Past due, gross | 497 | 0
Non-Purchased | 90 Days or More Past Due | Nonaccruing Loans | Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Past due, gross | 3,049 | 6,571
Non-Purchased | 90 Days or More Past Due | Nonaccruing Loans | Real estate - commercial mortgage |  |
Past due and nonaccrual loans |  |
Past due, gross | 4,824 | 4,655
Non-Purchased | 90 Days or More Past Due | Nonaccruing Loans | Installment loans to individuals |  |
Past due and nonaccrual loans |  |
Past due, gross | 117 | 17
Non-Purchased | Primary | Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Gross loans | 1,536,181 | 1,449,219
Non-Purchased | Primary | Accruing Loans | Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Current loans | 1,513,716 |
Gross loans | 1,527,359 |
Non-Purchased | Primary | Nonaccruing Loans | Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Current loans | 4,213 |
Gross loans | 8,822 |
Non-Purchased | Primary | 30-89 Days Past Due | Accruing Loans | Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Past due, gross | 11,889 |
Non-Purchased | Primary | 30-89 Days Past Due | Nonaccruing Loans | Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Past due, gross | 1,865 |
Non-Purchased | Primary | 90 Days or More Past Due | Accruing Loans | Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Past due, gross | 1,754 |
Non-Purchased | Primary | 90 Days or More Past Due | Nonaccruing Loans | Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Past due, gross | 2,744 |
Non-Purchased | Home Equity Loan | Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Gross loans | 432,768 | 456,265
Non-Purchased | Home Equity Loan | Accruing Loans | Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Current loans | 430,702 |
Gross loans | 432,214 |
Non-Purchased | Home Equity Loan | Nonaccruing Loans | Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Current loans | 377 |
Gross loans | 554 |
Non-Purchased | Home Equity Loan | 30-89 Days Past Due | Accruing Loans | Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Past due, gross | 1,152 |
Non-Purchased | Home Equity Loan | 30-89 Days Past Due | Nonaccruing Loans | Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Past due, gross | 66 |
Non-Purchased | Home Equity Loan | 90 Days or More Past Due | Accruing Loans | Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Past due, gross | 360 |
Non-Purchased | Home Equity Loan | 90 Days or More Past Due | Nonaccruing Loans | Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Past due, gross | 111 |
Non-Purchased | Rental/investment | Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Gross loans | 264,436 | 291,931
Non-Purchased | Rental/investment | Accruing Loans | Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Current loans | 263,064 |
Gross loans | 263,937 |
Non-Purchased | Rental/investment | Nonaccruing Loans | Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Current loans | 244 |
Gross loans | 499 |
Non-Purchased | Rental/investment | 30-89 Days Past Due | Accruing Loans | Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Past due, gross | 663 |
Non-Purchased | Rental/investment | 30-89 Days Past Due | Nonaccruing Loans | Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Past due, gross | 61 |
Non-Purchased | Rental/investment | 90 Days or More Past Due | Accruing Loans | Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Past due, gross | 210 |
Non-Purchased | Rental/investment | 90 Days or More Past Due | Nonaccruing Loans | Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Past due, gross | 194 |
Non-Purchased | Land Development | Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Gross loans | 123,179 |
Non-Purchased | Land Development | Real estate - commercial mortgage |  |
Past due and nonaccrual loans |  |
Gross loans | 120,125 | 116,085
Non-Purchased | Land Development | Accruing Loans | Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Current loans | 123,051 |
Gross loans | 123,148 |
Non-Purchased | Land Development | Accruing Loans | Real estate - commercial mortgage |  |
Past due and nonaccrual loans |  |
Current loans | 119,820 |
Gross loans | 120,048 |
Non-Purchased | Land Development | Nonaccruing Loans | Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Current loans | 31 |
Gross loans | 31 |
Non-Purchased | Land Development | Nonaccruing Loans | Real estate - commercial mortgage |  |
Past due and nonaccrual loans |  |
Current loans | 4 |
Gross loans | 77 |
Non-Purchased | Land Development | 30-89 Days Past Due | Accruing Loans | Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Past due, gross | 97 |
Non-Purchased | Land Development | 30-89 Days Past Due | Accruing Loans | Real estate - commercial mortgage |  |
Past due and nonaccrual loans |  |
Past due, gross | 113 |
Non-Purchased | Land Development | 30-89 Days Past Due | Nonaccruing Loans | Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Past due, gross | 0 |
Non-Purchased | Land Development | 30-89 Days Past Due | Nonaccruing Loans | Real estate - commercial mortgage |  |
Past due and nonaccrual loans |  |
Past due, gross | 44 |
Non-Purchased | Land Development | 90 Days or More Past Due | Accruing Loans | Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Past due, gross | 0 |
Non-Purchased | Land Development | 90 Days or More Past Due | Accruing Loans | Real estate - commercial mortgage |  |
Past due and nonaccrual loans |  |
Past due, gross | 115 |
Non-Purchased | Land Development | 90 Days or More Past Due | Nonaccruing Loans | Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Past due, gross | 0 |
Non-Purchased | Land Development | 90 Days or More Past Due | Nonaccruing Loans | Real estate - commercial mortgage |  |
Past due and nonaccrual loans |  |
Past due, gross | 29 |
Non-Purchased | Owner-occupied | Real estate - commercial mortgage |  |
Past due and nonaccrual loans |  |
Gross loans | 1,334,765 | 1,209,204
Non-Purchased | Owner-occupied | Accruing Loans | Real estate - commercial mortgage |  |
Past due and nonaccrual loans |  |
Current loans | 1,330,155 |
Gross loans | 1,331,729 |
Non-Purchased | Owner-occupied | Nonaccruing Loans | Real estate - commercial mortgage |  |
Past due and nonaccrual loans |  |
Current loans | 438 |
Gross loans | 3,036 |
Non-Purchased | Owner-occupied | 30-89 Days Past Due | Accruing Loans | Real estate - commercial mortgage |  |
Past due and nonaccrual loans |  |
Past due, gross | 779 |
Non-Purchased | Owner-occupied | 30-89 Days Past Due | Nonaccruing Loans | Real estate - commercial mortgage |  |
Past due and nonaccrual loans |  |
Past due, gross | 0 |
Non-Purchased | Owner-occupied | 90 Days or More Past Due | Accruing Loans | Real estate - commercial mortgage |  |
Past due and nonaccrual loans |  |
Past due, gross | 795 |
Non-Purchased | Owner-occupied | 90 Days or More Past Due | Nonaccruing Loans | Real estate - commercial mortgage |  |
Past due and nonaccrual loans |  |
Past due, gross | 2,598 |
Non-Purchased | Non-owner Occupied | Real estate - commercial mortgage |  |
Past due and nonaccrual loans |  |
Gross loans | 2,194,739 | 1,803,587
Non-Purchased | Non-owner Occupied | Accruing Loans | Real estate - commercial mortgage |  |
Past due and nonaccrual loans |  |
Current loans | 2,191,440 |
Gross loans | 2,192,489 |
Non-Purchased | Non-owner Occupied | Nonaccruing Loans | Real estate - commercial mortgage |  |
Past due and nonaccrual loans |  |
Current loans | 53 |
Gross loans | 2,250 |
Non-Purchased | Non-owner Occupied | 30-89 Days Past Due | Accruing Loans | Real estate - commercial mortgage |  |
Past due and nonaccrual loans |  |
Past due, gross | 922 |
Non-Purchased | Non-owner Occupied | 30-89 Days Past Due | Nonaccruing Loans | Real estate - commercial mortgage |  |
Past due and nonaccrual loans |  |
Past due, gross | 0 |
Non-Purchased | Non-owner Occupied | 90 Days or More Past Due | Accruing Loans | Real estate - commercial mortgage |  |
Past due and nonaccrual loans |  |
Past due, gross | 127 |
Non-Purchased | Non-owner Occupied | 90 Days or More Past Due | Nonaccruing Loans | Real estate - commercial mortgage |  |
Past due and nonaccrual loans |  |
Past due, gross | 2,197 |
Non-Purchased | Residential | Real estate - construction |  |
Past due and nonaccrual loans |  |
Gross loans | 243,814 | 272,643
Non-Purchased | Residential | Accruing Loans | Real estate - construction |  |
Past due and nonaccrual loans |  |
Current loans | 243,317 |
Gross loans | 243,317 |
Non-Purchased | Residential | Nonaccruing Loans | Real estate - construction |  |
Past due and nonaccrual loans |  |
Current loans | 0 |
Gross loans | 497 |
Non-Purchased | Residential | 30-89 Days Past Due | Accruing Loans | Real estate - construction |  |
Past due and nonaccrual loans |  |
Past due, gross | 0 |
Non-Purchased | Residential | 30-89 Days Past Due | Nonaccruing Loans | Real estate - construction |  |
Past due and nonaccrual loans |  |
Past due, gross | 0 |
Non-Purchased | Residential | 90 Days or More Past Due | Accruing Loans | Real estate - construction |  |
Past due and nonaccrual loans |  |
Past due, gross | 0 |
Non-Purchased | Residential | 90 Days or More Past Due | Nonaccruing Loans | Real estate - construction |  |
Past due and nonaccrual loans |  |
Past due, gross | 497 |
Non-Purchased | Commercial | Real estate - construction |  |
Past due and nonaccrual loans |  |
Gross loans | 583,338 | $ 502,258
Non-Purchased | Commercial | Accruing Loans | Real estate - construction |  |
Past due and nonaccrual loans |  |
Current loans | 583,338 |
Gross loans | 583,338 |
Non-Purchased | Commercial | Nonaccruing Loans | Real estate - construction |  |
Past due and nonaccrual loans |  |
Current loans | 0 |
Gross loans | 0 |
Non-Purchased | Commercial | 30-89 Days Past Due | Accruing Loans | Real estate - construction |  |
Past due and nonaccrual loans |  |
Past due, gross | 0 |
Non-Purchased | Commercial | 30-89 Days Past Due | Nonaccruing Loans | Real estate - construction |  |
Past due and nonaccrual loans |  |
Past due, gross | 0 |
Non-Purchased | Commercial | 90 Days or More Past Due | Accruing Loans | Real estate - construction |  |
Past due and nonaccrual loans |  |
Past due, gross | 0 |
Non-Purchased | Commercial | 90 Days or More Past Due | Nonaccruing Loans | Real estate - construction |  |
Past due and nonaccrual loans |  |
Past due, gross | $ 0 |

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