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Pay vs Performance Disclosure | 12 Months Ended
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Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Pay vs Performance Disclosure |  |  |  |  |
Pay vs Performance Disclosure, Table | PAY VERSUS PERFORMANCE
|  |  |  |  |  |  |  |  |  |  |  |  |  | Value of Initial Fixed $100 Investment Based On: |  |  |  |  |  |  |
Year |  | Summary Compensation Table Total for PEO(1) ($) |  |  | Compensation Actually Paid to PEO(2) ($) |  |  | Average Summary Compensation Table Total Non-PEO NEO’s(3) ($) |  |  | Average Compensation Actually Paid to Non-PEO NEO’s(4) ($) |  |  | TSR(5) ($) |  |  | Peer Group TSR(6) ($) |  |  | Net Income (Loss) (in thousands)(7) ($) |  |  | Adjusted EPS(8) ($) |
2024 |  | 2,039,597 |  |  | 3,011,597 |  |  | 1,316,925 |  |  | 1,600,609 |  |  | 434.47 |  |  | 133.76 |  |  | 35,921 |  |  | 1.98 |
2023 |  | 1,381,818 |  |  | 6,199,680 |  |  | 1,172,988 |  |  | 2,206,158 |  |  | 363.79 |  |  | 130.87 |  |  | 55,229 |  |  | 2.08 |
2022 |  | 2,116,809 |  |  | 4,926,410 |  |  | 1,039,128 |  |  | 1,823,658 |  |  | 270.24 |  |  | 97.55 |  |  | 108,682 |  |  | 2.92 |
2021 |  | 5,833,933 |  |  | 8,980,311 |  |  | 1,537,303 |  |  | 2,836,783 |  |  | 204.49 |  |  | 120.41 |  |  | 60,731 |  |  | 1.81 |
2020 |  | 1,070,965 |  |  | 1,330,709 |  |  | 1,273,190 |  |  | 1,342,031 |  |  | 114.58 |  |  | 106.29 |  |  | (42,718 | ) |  | 0.54 |
| (1) | Reflects compensation amounts reported in the Summary Compensation Table (the “SCT”) for our PEO, David R. Parker, for the respective years shown. |
| (2) | To calculate the compensation actually paid for our PEO, the following adjustments were made to SCT total compensation, calculated in accordance with the SEC methodology for determining compensation actually paid for each year shown: |
PEO Total Compensation Amount | $ 2,039,597 | $ 1,381,818 | $ 2,116,809 | $ 5,833,933 | $ 1,070,965
PEO Actually Paid Compensation Amount | $ 3,011,597 | 6,199,680 | 4,926,410 | 8,980,311 | 1,330,709
Adjustment To PEO Compensation, Footnote |
Year |  | Summary Compensation Table Total for PEO ($) |  |  | Deduct Stock and Option Awards Reported in the Summary Compensation Table ($) |  |  | Add YE Fair Value of Awards Granted During the Covered FY that are Outstanding and Unvested as of the End of the Covered FY ($) |  |  | Add Change in Fair Value as of the End of the Covered FY for Awards Granted in a Prior FY that are Outstanding and Unvested as of the Covered FY ($) |  |  | Add Change in Fair Value as of the Vesting Date for Awards Granted in a Prior FY that Vested During the Covered FY ($) |  |  | Deduct Fair Value of Awards Forfeited During the Covered FY ($) |  |  | Average Compensation Actually Paid to PEO ($) |
2024 |  | 2,039,597 |  |  | - |  |  | - |  |  | - |  |  | 972,000 |  |  | - |  |  | 3,011,597 |
2023 |  | 1,381,818 |  |  | - |  |  | - |  |  | 4,974,000 |  |  | (156,138) |  |  | - |  |  | 6,199,680 |
2022 |  | 2,116,809 |  |  | - |  |  | - |  |  | 2,746,882 |  |  | 62,719 |  |  | - |  |  | 4,926,410 |
2021 |  | 5,833,933 |  |  | (3,939,000) |  |  | 5,025,000 |  |  | 1,855,479 |  |  | 204,899 |  |  | - |  |  | 8,980,311 |
2020 |  | 1,070,965 |  |  | - |  |  | - |  |  | 263,780 |  |  | 17,053 |  |  | (21,089) |  |  | 1,330,709 |
| (3) | The following non-PEO NEOs are included in the average figures shown:
|  | 2024: M. Paul Bunn, Tripp Grant, Dustin Koehl, and Joey Ballard.
|  | 2023: M. Paul Bunn, Tripp Grant, Samuel F. Hough, Lynn Doster, and Joey B. Hogan.
|  | 2022: M. Paul Bunn, Tripp Grant, Joey B. Hogan, Samuel F. Hough, and Lynn Doster
|  | 2021: M. Paul Bunn, Tripp Grant, Joey B. Hogan, Samuel F. Hough, Lynn Doster, and John A. Tweed
|  | 2020: M. Paul Bunn, Joey B. Hogan, Samuel F. Hough, John A. Tweed, and Richard B. Cribbs
Non-PEO NEO Average Total Compensation Amount | $ 1,316,925 | 1,172,988 | 1,039,128 | 1,537,303 | 1,273,190
Non-PEO NEO Average Compensation Actually Paid Amount | $ 1,600,609 | 2,206,158 | 1,823,658 | 2,836,783 | 1,342,031
Adjustment to Non-PEO NEO Compensation Footnote |
| (4) | To calculate the compensation actually paid for our PEO, the following adjustments were made to SCT total compensation, calculated in accordance with the SEC methodology for determining compensation actually paid for each year shown:
Year |  | Average Summary Compensation Table Total for Non-PEO NEOs ($) |  |  | Deduct Stock and Option Awards Reported in the Summary Compensation Table ($) |  |  | Add YE Fair Value of Awards Granted During the Covered FY that are Outstanding and Unvested as of the End of the Covered FY ($) |  |  | Add Change in Fair Value as of the End of the Covered FY for Awards Granted in a Prior FY that are Outstanding and Unvested as of the Covered FY ($) |  |  | Add Change in Fair Value as of the Vesting Date for Awards Granted in a Prior FY that Vested During the Covered FY ($) |  |  | Deduct Fair Value of Awards Forfeited During the Covered FY ($) |  |  | Average Compensation Actually Paid to Non-PEO NEOs ($) |
2024 |  | 1,316,925 |  |  | (549,997) |  |  | 634,101 |  |  | 114,669 |  |  | 223,353 |  |  | (138,442) |  |  | 1,600,609 |
2023 |  | 1,172,988 |  |  | (359,004) |  |  | 355,613 |  |  | 795,208 |  |  | 241,353 |  |  | - |  |  | 2,206,158 |
2022 |  | 1,039,128 |  |  | (143,751) |  |  | 221,960 |  |  | 594,990 |  |  | 111,330 |  |  | - |  |  | 1,823,658 |
2021 |  | 1,537,303 |  |  | (821,218) |  |  | 1,082,822 |  |  | 902,448 |  |  | 135,428 |  |  | (140,322) |  |  | 2,836,783 |
2020 |  | 1,273,190 |  |  | (642,638) |  |  | 640,603 |  |  | 101,476 |  |  | 6,052 |  |  | (36,651) |  |  | 1,342,031 |
| (5) | The total shareholder return assumes that $100 was invested on December 31, 2019 in the Company and that dividends were reinvested when and as paid.
| (6) | The total shareholder return assumes that $100 was invested on December 31, 2019 in the NASDAQ Transportation Index, which we also utilize in the stock performance graph required by Item 201(e) of Regulation S-K, and that dividends were reinvested when and as paid.
| (7) | Reflects net income (loss) in the Company’s Consolidated Statements of Operations included in the Company’s Annual Reports on Form 10-K for each of the years ended December 31, 2024, 2023, 2022, 2021, and 2020.
| (8) | Our company-selected measure is Adjusted EPS, which is calculated based on our diluted earnings per shares, adjusted for amortization of intangibles and certain non-recurring charges and gains.
Compensation Actually Paid vs. Total Shareholder Return | The relationship between the compensation actually paid to the PEO and the average compensation actually paid to the non-PEO NEOs and the cumulative total shareholder return of the Company and the NASDAQ Transportation Index for 2024, 2023, 2022, 2021, and 2020 is represented by the graph below: |  |  |  |
Compensation Actually Paid vs. Net Income | The relationship between the compensation actually paid to the PEO and the average compensation actually paid to the non-PEO NEOs and the Company’s net income (loss) for 2024, 2023, 2022, 2021 and 2020 is represented by the graph below: |  |  |  |
Compensation Actually Paid vs. Company Selected Measure | The relationship between the compensation actually paid to the PEO and the average compensation actually paid to the non-PEO NEOs and the Company’s Adjusted EPS for 2024, 2023, 2022, 2021, and 2020 is represented by the graph below: |  |  |  |
Tabular List, Table | Tabular Disclosure of the Most Important Measures to Link Compensation Actually Paid for 2024 to Company Performance The following financial metrics were the most important measures used to link compensation actually paid for 2024 to Company Performance.
Adjusted Earnings Per Share
Adjusted Operating Income
EBITDA
Total Shareholder Return Amount | $ 434.47 | 363.79 | 270.24 | 204.49 | 114.58
Peer Group Total Shareholder Return Amount | 133.76 | 130.87 | 97.55 | 120.41 | 106.29
Net Income (Loss) | $ 35,921 | $ 55,229,000 | $ 108,682,000 | $ 60,731,000 | $ (42,718,000)
Company Selected Measure Amount | 1.98 | 2.08 | 2.92 | 1.81 | 0.54
Measure:: 1 |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Name | Adjusted Earnings Per Share |  |  |  |
Measure:: 2 |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Name | Adjusted Operating Income |  |  |  |
Measure:: 3 |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Name | EBITDA |  |  |  |
PEO | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | $ 0 | $ 0 | $ 0 | $ (3,939,000) | $ 0
PEO | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 0 | 0 | 0 | 5,025,000 | 0
PEO | 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 | 0 | 4,974,000 | 2,746,882 | 1,855,479 | 263,780
PEO | Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 972,000 | (156,138) | 62,719 | 204,899 | 17,053
PEO | 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 | 0 | 0 | 0 | 0 | (21,089)
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 | (549,997) | (359,004) | (143,751) | (821,218) | (642,638)
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 | 634,101 | 355,613 | 221,960 | 1,082,822 | 640,603
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 | 114,669 | 795,208 | 594,990 | 902,448 | 101,476
Non-PEO NEO | Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 223,353 | 241,353 | 111,330 | 135,428 | 6,052
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 | $ (138,442) | $ 0 | $ 0 | $ (140,322) | $ (36,651)

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