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Pay vs Performance Disclosure | 4 Months Ended | 8 Months Ended | 12 Months Ended
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Apr. 30, 2020 | Dec. 31, 2020 | Dec. 31, 2024 USD ($) $ / shares | Dec. 31, 2023 USD ($) $ / shares | Dec. 31, 2022 USD ($) $ / shares | Dec. 31, 2021 USD ($) $ / shares | Dec. 31, 2020 USD ($) $ / shares
Pay vs Performance Disclosure |  |  |  |  |  |  |
Pay vs Performance Disclosure, Table |  |  |
Pay Vs. Performance
Year | Summary Compensation Table Total for Principal Executive Officer (“PEO”)(1)(2) | Compensation Actually Paid to PEO(3) | Average Summary Compensation Table Total for non-PEO NEOs(2) | Average Compensation Actually Paid to non-PEO NEOs(3) | Value of initial fixed $100 investment based on: | Net Income (in thousands) | Adjusted Diluted EPS (Non-GAAP)
Total Shareholder Return (“TSR”) | Peer Group TSR(4)
2024 | $ | 3,512,565 |  | $ | 3,617,813 |  | $ | 2,039,419 |  | $ | 1,791,246 |  | $ | 116.18 |  | $ | 139.40 |  | $ | 195,457 |  | $ | 2.76 |
2023 | 2,808,744 |  | 2,188,363 |  | 1,787,796 |  | 1,415,290 |  | 106.47 |  | 107.45 |  | 144,678 |  | 3.15 |
2022 | 3,527,390 |  | 3,047,526 |  | 2,063,465 |  | 1,847,105 |  | 115.35 |  | 104.16 |  | 166,068 |  | 3.00 |
2021 | 3,190,763 |  | 3,483,712 |  | 1,942,720 |  | 2,086,277 |  | 113.42 |  | 128.06 |  | 175,892 |  | 2.98 |
2020 | 2,831,065 |  | 2,635,989 |  | 1,342,327 |  | 1,339,723 |  | 98.38 |  | 89.66 |  | 83,651 |  | 1.93 |
| (Mr. Waycaster) | (Mr. Waycaster) |  |  |  |  |  |
2020 | 2,446,155 |  | 2,066,855 |  |  |  |  |  |  |
| (Mr. McGraw) | (Mr. McGraw) |  |  |  |  |  |
Named Executive Officers, Footnote |  |  | For 2024, 2023, 2022 and 2021, C. Mitchell Waycaster, our chief executive officer, was our PEO. In 2020, E. Robinson McGraw retired as chief executive officer in May 2020, succeeded by Mr. Waycaster; prior to his retirement, Mr. McGraw was our PEO. (2)For 2024, 2023, 2022 and 2021, our named executive officers other than our PEO were James C. Mabry IV, E. Robinson McGraw, Kevin D. Chapman and Curtis J. Perry. As discussed in note 1 above, in 2020 Mr. McGraw was our chief executive officer, and PEO, until May 2020. As required by SEC rules, we had an additional named executive officer in 2020, who was J. Scott Cochran. |  |  |  |
Peer Group Issuers, Footnote |  |  | We use the S&P U.S. BMI Banks - Southeast Region Index as the peer group in the table, which is the same peer group that we use for purposes of the stock performance graph contained in our Annual Report on Form 10-K for the year ended December 31, 2024. The S&P U.S. BMI Banks - Southeast Region Index, is a peer group of 50 regional bank holding companies, whose common stock is traded either on the New York Stock Exchange, NYSE Amex or NASDAQ, and which are headquartered in Alabama, Arkansas, Florida, Georgia, Mississippi, North Carolina, South Carolina, Tennessee, Virginia and West Virginia. |  |  |  |
PEO Total Compensation Amount |  |  | $ 3,512,565 | $ 2,808,744 | $ 3,527,390 | $ 3,190,763 |
PEO Actually Paid Compensation Amount |  |  | $ 3,617,813 | 2,188,363 | 3,047,526 | 3,483,712 |
Adjustment To PEO Compensation, Footnote |  |  | “Compensation actually paid” reflects the amounts set forth in the “Summary Compensation Table Total for Principal Executive Officer” and “Average Summary Compensation Table Total for non-PEO NEOs” columns of the table above, each adjusted in accordance with SEC rules. Amounts added and deducted, on an item-by-item basis, to calculate the compensation actually paid for each fiscal year are included in the tables below.
| 2024 (Waycaster) | 2023 (Waycaster) | 2022 (Waycaster) | 2021 (Waycaster) | 2020 (Waycaster) | 2020 (McGraw)
SCT Total Compensation | $ | 3,512,565 |  | $ | 2,808,744 |  | $ | 3,527,390 |  | $ | 3,190,763 |  | $ | 2,831,065 |  | $ | 2,446,155 |
Less: Stock Award Values Reported in SCT for the Covered Year | (1,239,222) |  | (1,304,934) |  | (1,186,635) |  | (1,113,326) |  | (1,062,600) |  | (916,847) |
Plus: Fair Value of Outstanding Unvested Stock Awards Granted in the Covered Year | 1,315,386 |  | 1,202,443 |  | 1,164,763 |  | 1,254,475 |  | 1,010,400 |  | 871,807 |
Change in Fair Value of Outstanding Unvested Stock Awards from Prior Years | 94,999 |  | (181,854) |  | (17,300) |  | 178,336 |  | (53,992) |  | (18,427) |
Change in Fair Value of Stock Awards from Prior Years that Vested in the Covered Year | 21,095 |  | (64,624) |  | (5,400) |  | 50,237 |  | (13,050) |  | (15,660) |
Less: Fair Value of Stock Awards Forfeited during the Covered Year | (71,429) |  | (258,258) |  | (435,292) |  | (76,773) |  | (24,250) |  | (29,099) |
Less: Aggregate Change in Actuarial Present Value of Accumulated Benefit Under Pension Plans | (15,581) |  | (13,154) |  | — |  | — |  | (51,584) |  | (271,074) |
Plus: Aggregate Service Cost and Prior Service Cost for Pension Plans | — |  | — |  | — |  | — |  | — |  | — |
Compensation Actually Paid | $ | 3,617,813 |  | $ | 2,188,363 |  | $ | 3,047,526 |  | $ | 3,483,712 |  | $ | 2,635,989 |  | $ | 2,066,855 |
Non-PEO NEO Average Total Compensation Amount |  |  | $ 2,039,419 | 1,787,796 | 2,063,465 | 1,942,720 | $ 1,342,327
Non-PEO NEO Average Compensation Actually Paid Amount |  |  | $ 1,791,246 | 1,415,290 | 1,847,105 | 2,086,277 | 1,339,723
Adjustment to Non-PEO NEO Compensation Footnote |  |  | “Compensation actually paid” reflects the amounts set forth in the “Summary Compensation Table Total for Principal Executive Officer” and “Average Summary Compensation Table Total for non-PEO NEOs” columns of the table above, each adjusted in accordance with SEC rules. Amounts added and deducted, on an item-by-item basis, to calculate the compensation actually paid for each fiscal year are included in the tables below.
| 2024 (Non-PEO NEOs) | 2023 (Non-PEO NEOs) | 2022 (Non-PEO NEOs) | 2021 (Non-PEO NEOs) | 2020 (Non-PEO NEOs)
SCT Total Compensation | $ | 2,039,419 |  | $ | 1,787,796 |  | $ | 2,063,465 |  | $ | 1,942,720 |  | $ | 1,342,327 |
Less: Stock Award Values Reported in SCT for the Covered Year | (750,553) |  | (750,256) |  | (658,486) |  | (646,352) |  | (541,701) |
Plus: Fair Value of Outstanding Unvested Stock Awards Granted in the Covered Year | 505,516 |  | 725,492 |  | 748,477 |  | 750,699 |  | 642,035 |
Change in Fair Value of Outstanding Unvested Stock Awards from Prior Years | 49,813 |  | (110,060) |  | (9,615) |  | 86,005 |  | (30,364) |
Change in Fair Value of Stock Awards from Prior Years that Vested in the Covered Year | 6,685 |  | (47,427) |  | (24,189) |  | 38,249 |  | (57,226) |
Less: Fair Value of Stock Awards Forfeited during the Covered Year | (24,192) |  | (143,854) |  | (272,547) |  | (61,765) |  | (15,348) |
Less: Aggregate Change in Actuarial Present Value of Accumulated Benefit Under Pension Plans | (35,442) |  | (46,401) |  | — |  | (23,279) |  | — |
Plus: Aggregate Service Cost and Prior Service Cost for Pension Plans | — |  | — |  | — |  | — |  | — |
Compensation Actually Paid | $ | 1,791,246 |  | $ | 1,415,290 |  | $ | 1,847,105 |  | $ | 2,086,277 |  | $ | 1,339,723 |
Compensation Actually Paid vs. Total Shareholder Return |  |  |  |  |  |  |
Compensation Actually Paid vs. Net Income |  |  |  |  |  |  |
Compensation Actually Paid vs. Company Selected Measure |  |  |  |  |  |  |
Total Shareholder Return Vs Peer Group |  |  |  |  |  |  |
Tabular List, Table |  |  |
•Diluted earnings per share | •Efficiency ratio
•Return on average tangible common equity (non-GAAP) | •Return on average assets (PPNR) (non-GAAP)
•Total shareholder return |
Total Shareholder Return Amount |  |  | $ 116.18 | 106.47 | 115.35 | 113.42 | 98.38
Peer Group Total Shareholder Return Amount |  |  | 139.40 | 107.45 | 104.16 | 128.06 | 89.66
Net Income (Loss) |  |  | $ 195,457,000 | $ 144,678,000 | $ 166,068,000 | $ 175,892,000 | $ 83,651,000
Company Selected Measure Amount | $ / shares |  |  | 2.76 | 3.15 | 3.00 | 2.98 | 1.93
PEO Name | E. Robinson McGraw | C. Mitchell Waycaster | C. Mitchell Waycaster | C. Mitchell Waycaster | C. Mitchell Waycaster | C. Mitchell Waycaster |
Measure:: 1 |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
Name |  |  | •Diluted earnings per share |  |  |  |
Measure:: 2 |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
Name |  |  | •Return on average tangible common equity (non-GAAP) |  |  |  |
Measure:: 3 |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
Name |  |  | •Total shareholder return |  |  |  |
Measure:: 4 |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
Name |  |  | •Efficiency ratio |  |  |  |
Measure:: 5 |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
Name |  |  | •Return on average assets (PPNR) (non-GAAP) |  |  |  |
Waycaster [Member] |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
PEO Total Compensation Amount |  |  | $ 3,512,565 | $ 2,808,744 | $ 3,527,390 | $ 3,190,763 | $ 2,831,065
PEO Actually Paid Compensation Amount |  |  | 3,617,813 | 2,188,363 | 3,047,526 | 3,483,712 | 2,635,989
McGraw [Member] |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
PEO Total Compensation Amount |  |  |  |  |  |  | 2,446,155
PEO Actually Paid Compensation Amount |  |  |  |  |  |  | 2,066,855
PEO | Waycaster [Member] | Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
Adjustment to Compensation, Amount |  |  | (15,581) | (13,154) | 0 | 0 | (51,584)
PEO | Waycaster [Member] | Aggregate Pension Adjustments Service Cost |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
Adjustment to Compensation, Amount |  |  | 0 | 0 | 0 | 0 | 0
PEO | Waycaster [Member] | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
Adjustment to Compensation, Amount |  |  | (1,239,222) | (1,304,934) | (1,186,635) | (1,113,326) | (1,062,600)
PEO | Waycaster [Member] | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
Adjustment to Compensation, Amount |  |  | 1,315,386 | 1,202,443 | 1,164,763 | 1,254,475 | 1,010,400
PEO | Waycaster [Member] | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
Adjustment to Compensation, Amount |  |  | 94,999 | (181,854) | (17,300) | 178,336 | (53,992)
PEO | Waycaster [Member] | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
Adjustment to Compensation, Amount |  |  | 21,095 | (64,624) | (5,400) | 50,237 | (13,050)
PEO | Waycaster [Member] | Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
Adjustment to Compensation, Amount |  |  | (71,429) | (258,258) | (435,292) | (76,773) | (24,250)
PEO | McGraw [Member] | Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
Adjustment to Compensation, Amount |  |  |  |  |  |  | (271,074)
PEO | McGraw [Member] | Aggregate Pension Adjustments Service Cost |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
Adjustment to Compensation, Amount |  |  |  |  |  |  | 0
PEO | McGraw [Member] | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
Adjustment to Compensation, Amount |  |  |  |  |  |  | (916,847)
PEO | McGraw [Member] | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
Adjustment to Compensation, Amount |  |  |  |  |  |  | 871,807
PEO | McGraw [Member] | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
Adjustment to Compensation, Amount |  |  |  |  |  |  | (18,427)
PEO | McGraw [Member] | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
Adjustment to Compensation, Amount |  |  |  |  |  |  | (15,660)
PEO | McGraw [Member] | Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
Adjustment to Compensation, Amount |  |  |  |  |  |  | (29,099)
Non-PEO NEO | Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
Adjustment to Compensation, Amount |  |  | (35,442) | (46,401) | 0 | (23,279) | 0
Non-PEO NEO | Aggregate Pension Adjustments Service Cost |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
Adjustment to Compensation, Amount |  |  | 0 | 0 | 0 | 0 | 0
Non-PEO NEO | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
Adjustment to Compensation, Amount |  |  | (750,553) | (750,256) | (658,486) | (646,352) | (541,701)
Non-PEO NEO | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
Adjustment to Compensation, Amount |  |  | 505,516 | 725,492 | 748,477 | 750,699 | 642,035
Non-PEO NEO | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
Adjustment to Compensation, Amount |  |  | 49,813 | (110,060) | (9,615) | 86,005 | (30,364)
Non-PEO NEO | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
Adjustment to Compensation, Amount |  |  | 6,685 | (47,427) | (24,189) | 38,249 | (57,226)
Non-PEO NEO | Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
Adjustment to Compensation, Amount |  |  | $ (24,192) | $ (143,854) | $ (272,547) | $ (61,765) | $ (15,348)

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