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Purchased Loans - Aging of Past Due and Nonaccrual Loans (Details) - USD ($) $ in Thousands | Jun. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Past due and nonaccrual loans |  |
Loans, net of unearned income | $ 11,000,796 | $ 9,693,463
Commercial, financial, agricultural |  |
Past due and nonaccrual loans |  |
Loans, net of unearned income | 2,641,598 | 1,367,972
Real estate – construction: |  |
Past due and nonaccrual loans |  |
Loans, net of unearned income | 791,108 | 826,483
Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Loans, net of unearned income | 2,788,513 | 2,866,613
Real estate – commercial mortgage: |  |
Past due and nonaccrual loans |  |
Loans, net of unearned income | 4,410,753 | 4,244,265
Installment loans to individuals |  |
Past due and nonaccrual loans |  |
Loans, net of unearned income | 284,553 | 302,430
Residential | Real estate – construction: |  |
Past due and nonaccrual loans |  |
Loans, net of unearned income | 295,931 | 289,050
Commercial | Real estate – construction: |  |
Past due and nonaccrual loans |  |
Loans, net of unearned income | 495,177 | 537,433
Primary | Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Loans, net of unearned income | 1,756,253 | 1,781,948
Home equity | Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Loans, net of unearned income | 543,468 | 573,540
Rental/investment | Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Loans, net of unearned income | 318,803 | 335,100
Land development | Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Loans, net of unearned income | 169,989 | 176,025
Land development | Real estate – commercial mortgage: |  |
Past due and nonaccrual loans |  |
Loans, net of unearned income | 155,766 | 156,089
Owner-occupied | Real estate – commercial mortgage: |  |
Past due and nonaccrual loans |  |
Loans, net of unearned income | 1,660,674 | 1,637,281
Non-owner occupied | Real estate – commercial mortgage: |  |
Past due and nonaccrual loans |  |
Loans, net of unearned income | 2,594,313 | 2,450,895
Purchased loans |  |
Past due and nonaccrual loans |  |
Loans, net of unearned income | 1,791,203 | 2,101,664
Purchased loans | Accruing loans |  |
Past due and nonaccrual loans |  |
Loans, net of unearned income | 1,769,842 | 2,094,626
Current Loans | 1,764,595 | 2,075,422
Purchased loans | Accruing loans | 30-89 Days Past Due |  |
Past due and nonaccrual loans |  |
Loans past due | 3,089 | 14,887
Purchased loans | Accruing loans | 90 Days or More Past Due |  |
Past due and nonaccrual loans |  |
Loans past due | 2,158 | 4,317
Purchased loans | Nonaccruing loans |  |
Past due and nonaccrual loans |  |
Loans, net of unearned income | 21,361 | 7,038
Current Loans | 10,084 | 2,250
Purchased loans | Nonaccruing loans | 30-89 Days Past Due |  |
Past due and nonaccrual loans |  |
Loans past due | 1,826 | 606
Purchased loans | Nonaccruing loans | 90 Days or More Past Due |  |
Past due and nonaccrual loans |  |
Loans past due | 9,451 | 4,182
Purchased loans | Commercial, financial, agricultural |  |
Past due and nonaccrual loans |  |
Loans, net of unearned income | 225,355 | 315,619
Purchased loans | Commercial, financial, agricultural | Accruing loans |  |
Past due and nonaccrual loans |  |
Current, gross | 218,892 | 311,218
Loans, net of unearned income | 219,241 | 314,105
Purchased loans | Commercial, financial, agricultural | Accruing loans | 30-89 Days Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 161 | 1,889
Purchased loans | Commercial, financial, agricultural | Accruing loans | 90 Days or More Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 188 | 998
Purchased loans | Commercial, financial, agricultural | Nonaccruing loans |  |
Past due and nonaccrual loans |  |
Current, gross | 4,670 | 268
Loans, net of unearned income | 6,114 | 1,514
Purchased loans | Commercial, financial, agricultural | Nonaccruing loans | 30-89 Days Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 0 | 0
Purchased loans | Commercial, financial, agricultural | Nonaccruing loans | 90 Days or More Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 1,444 | 1,246
Purchased loans | Real estate – construction: |  |
Past due and nonaccrual loans |  |
Loans, net of unearned income | 34,236 | 51,582
Purchased loans | Real estate – construction: | Accruing loans |  |
Past due and nonaccrual loans |  |
Current, gross | 34,236 | 51,263
Loans, net of unearned income | 34,236 | 51,582
Purchased loans | Real estate – construction: | Accruing loans | 30-89 Days Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 0 | 319
Purchased loans | Real estate – construction: | Accruing loans | 90 Days or More Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 0 | 0
Purchased loans | Real estate – construction: | Nonaccruing loans |  |
Past due and nonaccrual loans |  |
Current, gross | 0 | 0
Loans, net of unearned income | 0 | 0
Purchased loans | Real estate – construction: | Nonaccruing loans | 30-89 Days Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 0 | 0
Purchased loans | Real estate – construction: | Nonaccruing loans | 90 Days or More Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 0 | 0
Purchased loans | Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Loans, net of unearned income | 445,526 | 516,487
Purchased loans | Real estate – 1-4 family mortgage | Accruing loans |  |
Past due and nonaccrual loans |  |
Current, gross | 434,457 | 503,826
Loans, net of unearned income | 436,356 | 511,586
Purchased loans | Real estate – 1-4 family mortgage | Accruing loans | 30-89 Days Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 901 | 5,516
Purchased loans | Real estate – 1-4 family mortgage | Accruing loans | 90 Days or More Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 998 | 2,244
Purchased loans | Real estate – 1-4 family mortgage | Nonaccruing loans |  |
Past due and nonaccrual loans |  |
Current, gross | 2,380 | 1,534
Loans, net of unearned income | 9,170 | 4,901
Purchased loans | Real estate – 1-4 family mortgage | Nonaccruing loans | 30-89 Days Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 1,712 | 605
Purchased loans | Real estate – 1-4 family mortgage | Nonaccruing loans | 90 Days or More Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 5,078 | 2,762
Purchased loans | Real estate – commercial mortgage: |  |
Past due and nonaccrual loans |  |
Loans, net of unearned income | 1,010,035 | 1,115,389
Purchased loans | Real estate – commercial mortgage: | Accruing loans |  |
Past due and nonaccrual loans |  |
Current, gross | 1,002,822 | 1,110,570
Loans, net of unearned income | 1,004,258 | 1,114,946
Purchased loans | Real estate – commercial mortgage: | Accruing loans | 30-89 Days Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 532 | 3,454
Purchased loans | Real estate – commercial mortgage: | Accruing loans | 90 Days or More Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 904 | 922
Purchased loans | Real estate – commercial mortgage: | Nonaccruing loans |  |
Past due and nonaccrual loans |  |
Current, gross | 2,885 | 320
Loans, net of unearned income | 5,777 | 443
Purchased loans | Real estate – commercial mortgage: | Nonaccruing loans | 30-89 Days Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 80 | 0
Purchased loans | Real estate – commercial mortgage: | Nonaccruing loans | 90 Days or More Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 2,812 | 123
Purchased loans | Installment loans to individuals |  |
Past due and nonaccrual loans |  |
Loans, net of unearned income | 76,051 | 102,587
Purchased loans | Installment loans to individuals | Accruing loans |  |
Past due and nonaccrual loans |  |
Current, gross | 74,188 | 98,545
Loans, net of unearned income | 75,751 | 102,407
Purchased loans | Installment loans to individuals | Accruing loans | 30-89 Days Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 1,495 | 3,709
Purchased loans | Installment loans to individuals | Accruing loans | 90 Days or More Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 68 | 153
Purchased loans | Installment loans to individuals | Nonaccruing loans |  |
Past due and nonaccrual loans |  |
Current, gross | 149 | 128
Loans, net of unearned income | 300 | 180
Purchased loans | Installment loans to individuals | Nonaccruing loans | 30-89 Days Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 34 | 1
Purchased loans | Installment loans to individuals | Nonaccruing loans | 90 Days or More Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 117 | 51
Purchased loans | Residential | Real estate – construction: |  |
Past due and nonaccrual loans |  |
Loans, net of unearned income | 3,948 | 16,407
Purchased loans | Residential | Real estate – construction: | Accruing loans |  |
Past due and nonaccrual loans |  |
Current, gross | 3,948 |
Loans, net of unearned income | 3,948 |
Purchased loans | Residential | Real estate – construction: | Accruing loans | 30-89 Days Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 0 |
Purchased loans | Residential | Real estate – construction: | Accruing loans | 90 Days or More Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 0 |
Purchased loans | Residential | Real estate – construction: | Nonaccruing loans |  |
Past due and nonaccrual loans |  |
Current, gross | 0 |
Loans, net of unearned income | 0 |
Purchased loans | Residential | Real estate – construction: | Nonaccruing loans | 30-89 Days Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 0 |
Purchased loans | Residential | Real estate – construction: | Nonaccruing loans | 90 Days or More Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 0 |
Purchased loans | Commercial | Real estate – construction: |  |
Past due and nonaccrual loans |  |
Loans, net of unearned income | 30,288 | 35,175
Purchased loans | Commercial | Real estate – construction: | Accruing loans |  |
Past due and nonaccrual loans |  |
Current, gross | 30,288 |
Loans, net of unearned income | 30,288 |
Purchased loans | Commercial | Real estate – construction: | Accruing loans | 30-89 Days Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 0 |
Purchased loans | Commercial | Real estate – construction: | Accruing loans | 90 Days or More Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 0 |
Purchased loans | Commercial | Real estate – construction: | Nonaccruing loans |  |
Past due and nonaccrual loans |  |
Current, gross | 0 |
Loans, net of unearned income | 0 |
Purchased loans | Commercial | Real estate – construction: | Nonaccruing loans | 30-89 Days Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 0 |
Purchased loans | Commercial | Real estate – construction: | Nonaccruing loans | 90 Days or More Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 0 |
Purchased loans | Primary | Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Loans, net of unearned income | 280,057 | 332,729
Purchased loans | Primary | Real estate – 1-4 family mortgage | Accruing loans |  |
Past due and nonaccrual loans |  |
Current, gross | 272,048 |
Loans, net of unearned income | 273,514 |
Purchased loans | Primary | Real estate – 1-4 family mortgage | Accruing loans | 30-89 Days Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 654 |
Purchased loans | Primary | Real estate – 1-4 family mortgage | Accruing loans | 90 Days or More Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 812 |
Purchased loans | Primary | Real estate – 1-4 family mortgage | Nonaccruing loans |  |
Past due and nonaccrual loans |  |
Current, gross | 1,220 |
Loans, net of unearned income | 6,543 |
Purchased loans | Primary | Real estate – 1-4 family mortgage | Nonaccruing loans | 30-89 Days Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 1,575 |
Purchased loans | Primary | Real estate – 1-4 family mortgage | Nonaccruing loans | 90 Days or More Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 3,748 |
Purchased loans | Home equity | Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Loans, net of unearned income | 102,694 | 117,275
Purchased loans | Home equity | Real estate – 1-4 family mortgage | Accruing loans |  |
Past due and nonaccrual loans |  |
Current, gross | 100,915 |
Loans, net of unearned income | 101,293 |
Purchased loans | Home equity | Real estate – 1-4 family mortgage | Accruing loans | 30-89 Days Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 224 |
Purchased loans | Home equity | Real estate – 1-4 family mortgage | Accruing loans | 90 Days or More Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 154 |
Purchased loans | Home equity | Real estate – 1-4 family mortgage | Nonaccruing loans |  |
Past due and nonaccrual loans |  |
Current, gross | 788 |
Loans, net of unearned income | 1,401 |
Purchased loans | Home equity | Real estate – 1-4 family mortgage | Nonaccruing loans | 30-89 Days Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 137 |
Purchased loans | Home equity | Real estate – 1-4 family mortgage | Nonaccruing loans | 90 Days or More Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 476 |
Purchased loans | Rental/investment | Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Loans, net of unearned income | 41,156 | 43,169
Purchased loans | Rental/investment | Real estate – 1-4 family mortgage | Accruing loans |  |
Past due and nonaccrual loans |  |
Current, gross | 40,249 |
Loans, net of unearned income | 40,304 |
Purchased loans | Rental/investment | Real estate – 1-4 family mortgage | Accruing loans | 30-89 Days Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 23 |
Purchased loans | Rental/investment | Real estate – 1-4 family mortgage | Accruing loans | 90 Days or More Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 32 |
Purchased loans | Rental/investment | Real estate – 1-4 family mortgage | Nonaccruing loans |  |
Past due and nonaccrual loans |  |
Current, gross | 128 |
Loans, net of unearned income | 852 |
Purchased loans | Rental/investment | Real estate – 1-4 family mortgage | Nonaccruing loans | 30-89 Days Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 0 |
Purchased loans | Rental/investment | Real estate – 1-4 family mortgage | Nonaccruing loans | 90 Days or More Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 724 |
Purchased loans | Land development | Real estate – 1-4 family mortgage |  |
Past due and nonaccrual loans |  |
Loans, net of unearned income | 21,619 | 23,314
Purchased loans | Land development | Real estate – 1-4 family mortgage | Accruing loans |  |
Past due and nonaccrual loans |  |
Current, gross | 21,245 |
Loans, net of unearned income | 21,245 |
Purchased loans | Land development | Real estate – 1-4 family mortgage | Accruing loans | 30-89 Days Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 0 |
Purchased loans | Land development | Real estate – 1-4 family mortgage | Accruing loans | 90 Days or More Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 0 |
Purchased loans | Land development | Real estate – 1-4 family mortgage | Nonaccruing loans |  |
Past due and nonaccrual loans |  |
Current, gross | 244 |
Loans, net of unearned income | 374 |
Purchased loans | Land development | Real estate – 1-4 family mortgage | Nonaccruing loans | 30-89 Days Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 0 |
Purchased loans | Land development | Real estate – 1-4 family mortgage | Nonaccruing loans | 90 Days or More Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 130 |
Purchased loans | Land development | Real estate – commercial mortgage: |  |
Past due and nonaccrual loans |  |
Loans, net of unearned income | 36,989 |
Purchased loans | Land development | Real estate – commercial mortgage: | Accruing loans |  |
Past due and nonaccrual loans |  |
Current, gross | 36,457 |
Loans, net of unearned income | 36,507 |
Purchased loans | Land development | Real estate – commercial mortgage: | Accruing loans | 30-89 Days Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 50 |
Purchased loans | Land development | Real estate – commercial mortgage: | Accruing loans | 90 Days or More Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 0 |
Purchased loans | Land development | Real estate – commercial mortgage: | Nonaccruing loans |  |
Past due and nonaccrual loans |  |
Current, gross | 247 |
Loans, net of unearned income | 482 |
Purchased loans | Land development | Real estate – commercial mortgage: | Nonaccruing loans | 30-89 Days Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 0 |
Purchased loans | Land development | Real estate – commercial mortgage: | Nonaccruing loans | 90 Days or More Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 235 |
Purchased loans | Owner-occupied | Real estate – commercial mortgage: |  |
Past due and nonaccrual loans |  |
Loans, net of unearned income | 390,477 | 428,077
Purchased loans | Owner-occupied | Real estate – commercial mortgage: | Accruing loans |  |
Past due and nonaccrual loans |  |
Current, gross | 385,222 |
Loans, net of unearned income | 386,035 |
Purchased loans | Owner-occupied | Real estate – commercial mortgage: | Accruing loans | 30-89 Days Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 427 |
Purchased loans | Owner-occupied | Real estate – commercial mortgage: | Accruing loans | 90 Days or More Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 386 |
Purchased loans | Owner-occupied | Real estate – commercial mortgage: | Nonaccruing loans |  |
Past due and nonaccrual loans |  |
Current, gross | 2,492 |
Loans, net of unearned income | 4,442 |
Purchased loans | Owner-occupied | Real estate – commercial mortgage: | Nonaccruing loans | 30-89 Days Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 70 |
Purchased loans | Owner-occupied | Real estate – commercial mortgage: | Nonaccruing loans | 90 Days or More Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 1,880 |
Purchased loans | Non-owner occupied | Real estate – commercial mortgage: |  |
Past due and nonaccrual loans |  |
Loans, net of unearned income | 582,569 | $ 647,308
Purchased loans | Non-owner occupied | Real estate – commercial mortgage: | Accruing loans |  |
Past due and nonaccrual loans |  |
Current, gross | 581,143 |
Loans, net of unearned income | 581,716 |
Purchased loans | Non-owner occupied | Real estate – commercial mortgage: | Accruing loans | 30-89 Days Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 55 |
Purchased loans | Non-owner occupied | Real estate – commercial mortgage: | Accruing loans | 90 Days or More Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 518 |
Purchased loans | Non-owner occupied | Real estate – commercial mortgage: | Nonaccruing loans |  |
Past due and nonaccrual loans |  |
Current, gross | 146 |
Loans, net of unearned income | 853 |
Purchased loans | Non-owner occupied | Real estate – commercial mortgage: | Nonaccruing loans | 30-89 Days Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | 10 |
Purchased loans | Non-owner occupied | Real estate – commercial mortgage: | Nonaccruing loans | 90 Days or More Past Due |  |
Past due and nonaccrual loans |  |
Past due, gross | $ 697 |

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