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v3.22.2.2

Allowance for Credit Losses - Summary of Total Non Purchased and Purchased Loans (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Jun. 30, 2022 | Dec. 31, 2021 | Sep. 30, 2021 | Jun. 30, 2021 | Dec. 31, 2020
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Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Gross loans | $ 11,110,164 |  | $ 10,024,981 |  |  |
Unearned income | (5,160) |  | (4,067) |  |  |
Loans, net of unearned income | 11,105,004 |  | 10,020,914 | $ 10,016,824 |  |
Allowance for credit losses on loans | (174,356) | $ (166,131) | (164,171) | (170,038) | $ (172,354) | $ (176,144)
Loans, net | 10,930,648 |  | 9,856,743 |  |  |
Non purchased loans and leases |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Gross loans | 10,265,000 |  | 9,015,078 |  |  |
Unearned income | (5,160) |  | (4,067) |  |  |
Loans, net of unearned income | 10,259,840 |  | 9,011,011 |  |  |
Non purchased loans and leases | Paycheck Protection Program |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Loans, net of unearned income | 5,476 |  | 58,391 |  |  |
Commercial, financial, agricultural |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Gross loans | 1,513,091 |  | 1,423,270 |  |  |
Loans, net of unearned income | 1,513,091 |  |  | 1,436,019 |  |
Allowance for credit losses on loans | (30,503) | (30,193) | (33,922) | (34,977) | (36,994) | (39,031)
Commercial, financial, agricultural | Non purchased loans and leases |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Gross loans | 1,435,275 |  | 1,332,962 |  |  |
Lease financing |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Gross loans | 108,517 |  | 80,192 |  |  |
Loans, net of unearned income | 103,357 |  |  | 79,215 |  |
Allowance for credit losses on loans | (2,314) | (1,802) | (1,486) | (1,570) | (1,511) | (1,624)
Lease financing | Non purchased loans and leases |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Gross loans | 108,517 |  | 80,192 |  |  |
Real estate – construction: |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Gross loans | 1,215,056 |  | 1,104,896 |  |  |
Loans, net of unearned income | 1,215,056 |  |  | 1,091,296 |  |
Allowance for credit losses on loans | (18,744) | (17,290) | (16,419) | (16,169) | (15,729) | (16,047)
Real estate – construction: | Non purchased loans and leases |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Gross loans | 1,208,308 |  | 1,099,902 |  |  |
Real estate – construction: | Residential |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Gross loans | 359,754 |  | 302,275 |  |  |
Real estate – construction: | Residential | Non purchased loans and leases |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Gross loans | 359,367 |  | 300,988 |  |  |
Real estate – construction: | Commercial |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Gross loans | 855,302 |  | 802,621 |  |  |
Real estate – construction: | Commercial | Non purchased loans and leases |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Gross loans | 848,941 |  | 798,914 |  |  |
Real estate – 1-4 family mortgage: |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Gross loans | 3,127,889 |  | 2,724,246 |  |  |
Loans, net of unearned income | 3,127,889 |  |  | 2,724,743 |  |
Allowance for credit losses on loans | (43,532) | (41,910) | (32,356) | (32,181) | (31,303) | (32,165)
Real estate – 1-4 family mortgage: | Non purchased loans and leases |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Gross loans | 2,956,801 |  | 2,508,473 |  |  |
Real estate – 1-4 family mortgage: | Primary |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Gross loans | 2,144,119 |  | 1,816,120 |  |  |
Real estate – 1-4 family mortgage: | Primary | Non purchased loans and leases |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Gross loans | 2,041,885 |  | 1,682,050 |  |  |
Real estate – 1-4 family mortgage: | Home equity |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Gross loans | 499,626 |  | 474,604 |  |  |
Real estate – 1-4 family mortgage: | Home equity | Non purchased loans and leases |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Gross loans | 456,765 |  | 423,108 |  |  |
Real estate – 1-4 family mortgage: | Rental/investment |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Gross loans | 322,844 |  | 288,474 |  |  |
Real estate – 1-4 family mortgage: | Rental/investment | Non purchased loans and leases |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Gross loans | 306,165 |  | 268,245 |  |  |
Real estate – 1-4 family mortgage: | Land development |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Gross loans | 161,300 |  | 145,048 |  |  |
Real estate – 1-4 family mortgage: | Land development | Non purchased loans and leases |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Gross loans | 151,986 |  | 135,070 |  |  |
Real estate – commercial mortgage: |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Gross loans | 5,016,665 |  | 4,549,037 |  |  |
Loans, net of unearned income | 5,016,665 |  |  | 4,535,730 |  |
Allowance for credit losses on loans | (69,267) | (64,373) | (68,940) | (73,895) | (74,893) | (76,127)
Real estate – commercial mortgage: | Non purchased loans and leases |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Gross loans | 4,451,853 |  | 3,885,984 |  |  |
Real estate – commercial mortgage: | Land development |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Gross loans | 133,597 |  | 128,739 |  |  |
Real estate – commercial mortgage: | Owner-occupied |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Gross loans | 1,562,952 |  | 1,563,351 |  |  |
Real estate – commercial mortgage: | Owner-occupied | Non purchased loans and leases |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Gross loans | 1,368,196 |  | 1,329,219 |  |  |
Real estate – commercial mortgage: | Non-owner occupied |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Gross loans | 3,320,116 |  | 2,856,947 |  |  |
Real estate – commercial mortgage: | Non-owner occupied | Non purchased loans and leases |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Gross loans | 2,963,631 |  | 2,446,370 |  |  |
Installment loans to individuals |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Gross loans | 128,946 |  | 143,340 |  |  |
Loans, net of unearned income | 128,946 |  |  | 149,821 |  |
Allowance for credit losses on loans | (9,996) | $ (10,563) | (11,048) | $ (11,246) | $ (11,924) | $ (11,150)
Installment loans to individuals | Non purchased loans and leases |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Gross loans | $ 104,246 |  | $ 107,565 |  |  |

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