XML 25 R2.htm IDEA: XBRL DOCUMENT
v3.25.1

Pay vs Performance Disclosure - USD ($) | 6 Months Ended | 12 Months Ended | 18 Months Ended
--- | --- | --- | ---
Jun. 30, 2023 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2024
Pay vs Performance Disclosure |  |  |  |  |  |  |
Pay vs Performance Disclosure, Table |  | Pay Versus Performance As required by Section 953(a) of the Dodd-Frank Act, and Item 402(v) of Regulation S-K, we are providing the following information about the relationship between executive compensation actually paid and certain financial performance measures of the Company. You should refer to “Compensation Discussion and Analysis” for a complete description of how executive compensation relates to Company performance and how the Talent and Compensation Committee makes its decisions.
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Value of Initial Fixed $100 Investment Based On: |  |  |  |  |  |  |  |
Year | Summary Compensation Table Total for Gantt ($)(1) | Summary Compensation Table Total for Freeman ($)(1) | Compensation Actually Paid to Gantt ($)(2) | Compensation Actually Paid to Freeman ($)(3) | Average Summary Compensation Table Total for Non-PEO Named Executive Officers ($)(4) | Average Compensation Actually Paid to Non-PEO Named Executive Officers ($)(5) | Total Shareholder Return ($)(6) | Peer Group Total Shareholder Return ($)(7) | Net Income (in thousands) ($) | Pre-Tax Income (in thousands) ($)(8)
2024 |  |  | — |  |  |  |  | 12,622,664 |  |  |  |  | — |  |  |  |  | 11,335,630 |  |  |  |  | 5,552,588 |  |  |  |  | 4,921,341 |  |  |  |  | 285 |  |  |  |  | 157 |  |  |  |  | 1,186,073 |  |  |  |  | 1,557,597 |  |
2023 |  |  | 11,296,746 |  |  |  |  | 9,496,611 |  |  |  |  | 7,675,675 |  |  |  |  | 10,515,744 |  |  |  |  | 4,994,889 |  |  |  |  | 5,671,123 |  |  |  |  | 325 |  |  |  |  | 154 |  |  |  |  | 1,239,502 |  |  |  |  | 1,647,776 |  |
2022 |  |  | 12,828,375 |  |  |  |  | — |  |  |  |  | 10,494,358 |  |  |  |  | — |  |  |  |  | 6,184,287 |  |  |  |  | 4,864,545 |  |  |  |  | 227 |  |  |  |  | 128 |  |  |  |  | 1,377,159 |  |  |  |  | 1,841,349 |  |
2021 |  |  | 10,577,833 |  |  |  |  | — |  |  |  |  | 16,385,495 |  |  |  |  | — |  |  |  |  | 5,983,437 |  |  |  |  | 9,749,517 |  |  |  |  | 285 |  |  |  |  | 155 |  |  |  |  | 1,034,375 |  |  |  |  | 1,388,423 |  |
2020 |  |  | 7,987,957 |  |  |  |  | — |  |  |  |  | 9,878,641 |  |  |  |  | — |  |  |  |  | 5,260,421 |  |  |  |  | 6,660,167 |  |  |  |  | 155 |  |  |  |  | 131 |  |  |  |  | 672,682 |  |  |  |  | 901,364 |  |
Mr. Freeman has served as our Chief Executive Officer since July 1, 2023. |  |  |  |  |
Company Selected Measure Name |  | Pre-Tax Income |  |  |  |  |
Named Executive Officers, Footnote |  | (4) The dollar amounts reported in this column represent the average of the amounts reported for the Company’s named executive officers as a group (excluding Mr. Gantt for 2020, 2021, 2022 and through June 30, 2023, and Mr. Freeman since July 1, 2023) in the “Total” column of the Summary Compensation Table in each applicable year. The names of each of the named executive officers (excluding Mr. Gantt for 2020, 2021, 2022 and through June 30, 2023, and Mr. Freeman since July 1, 2023) included for purposes of calculating the average amounts in each applicable year are as follows: (i) for 2024 and 2023, Messrs. Satterfield, Plemmons, Overbey and Parr; (ii) for 2022 and 2021, Mr. David S. Congdon and Messrs. Satterfield, Freeman and Plemmons; and (iii) for 2020, Mr. Earl E. Congdon, Mr. David S. Congdon and Messrs. Satterfield and Freeman. |  |  |  |  |
Peer Group Issuers, Footnote |  | (7) Represents the weighted peer group TSR, weighted according to the respective companies’ stock market capitalization at the beginning of each period for which a return is indicated. The peer group used for this purpose was the Dow Jones Transportation Average (“DJTA”) for 2024, 2023, 2022 and 2021, and the Nasdaq Industrial Transportation Index for 2020 (prior to the Company being added to the DJTA in December 2021). |  |  |  |  |
Adjustment To PEO Compensation, Footnote |  | (2) The dollar amounts reported in this column represent the amount of “compensation actually paid” to Mr. Gantt, as computed in accordance with Item 402(v). The dollar amounts do not reflect the actual amount of compensation earned by or paid to Mr. Gantt during the applicable year. In accordance with the requirements of Item 402(v), the following adjustments were made to Mr. Gantt’s total compensation for each year to determine the compensation actually paid:
Year | Reported Summary Compensation Table Total for Gantt ($) | Reported Value of Equity Awards ($)(a) | Equity Award Adjustments ($)(b) | Compensation Actually Paid to Gantt ($)
2024 |  |  | — |  |  |  |  | — |  |  |  |  | — |  |  |  |  | — |  |
2023 |  |  | 11,296,746 |  |  |  |  | (5,927,559 | ) |  |  |  | 2,306,488 |  |  |  |  | 7,675,675 |  |
2022 |  |  | 12,828,375 |  |  |  |  | (2,578,625 | ) |  |  |  | 244,608 |  |  |  |  | 10,494,358 |  |
2021 |  |  | 10,577,833 |  |  |  |  | (1,975,247 | ) |  |  |  | 7,782,909 |  |  |  |  | 16,385,495 |  |
2020 |  |  | 7,987,957 |  |  |  |  | (1,608,515 | ) |  |  |  | 3,499,199 |  |  |  |  | 9,878,641 |  |
(3) The dollar amounts reported in this column represent the amount of “compensation actually paid” to Mr. Freeman, as computed in accordance with Item 402(v) for his service as CEO during 2023 and 2024. The dollar amounts do not reflect the actual amount of compensation earned by or paid to Mr. Freeman during his service as CEO in 2023 and 2024. In accordance with the requirements of Item 402(v), the following adjustments were made to Mr. Freeman’s total compensation for each year to determine the compensation actually paid:
Year | Reported Summary Compensation Table Total for Freeman ($) | Reported Value of Equity Awards ($)(a) | Equity Award Adjustments ($)(b) | Compensation Actually Paid to Freeman ($)
2024 |  |  | 12,622,664 |  |  |  |  | (2,251,915 | ) |  |  |  | 964,881 |  |  |  |  | 11,335,630 |  |
2023 |  |  | 9,496,611 |  |  |  |  | (1,113,075 | ) |  |  |  | 2,132,208 |  |  |  |  | 10,515,744 |  |
Non-PEO NEO Average Total Compensation Amount |  | $ 5,552,588 | $ 4,994,889 | $ 6,184,287 | $ 5,983,437 | $ 5,260,421 |
Non-PEO NEO Average Compensation Actually Paid Amount |  | $ 4,921,341 | 5,671,123 | 4,864,545 | 9,749,517 | 6,660,167 |
Adjustment to Non-PEO NEO Compensation Footnote |  |
Year | Average Reported Summary Compensation Table Total for Non-PEO NEOs ($) | Average Reported Value of Equity Awards ($) | Average Equity Award Adjustments ($)(a) | Average Compensation Actually Paid to Non-PEO NEOs ($)
2024 |  |  | 5,552,588 |  |  |  |  | (1,189,851 | ) |  |  |  | 558,604 |  |  |  |  | 4,921,341 |  |
2023 |  |  | 4,994,889 |  |  |  |  | (789,283 | ) |  |  |  | 1,465,517 |  |  |  |  | 5,671,123 |  |
2022 |  |  | 6,184,287 |  |  |  |  | (1,012,865 | ) |  |  |  | (306,877 | ) |  |  |  | 4,864,545 |  |
2021 |  |  | 5,983,437 |  |  |  |  | (1,237,056 | ) |  |  |  | 5,003,136 |  |  |  |  | 9,749,517 |  |
2020 |  |  | 5,260,421 |  |  |  |  | (1,181,548 | ) |  |  |  | 2,581,294 |  |  |  |  | 6,660,167 |  |
Equity Valuation Assumption Difference, Footnote |  | The amounts deducted or added in calculating the equity award adjustments are as follows:
Year | Year End Fair Value of Equity Awards ($) | Year over Year Change in Fair Value of Outstanding and Unvested Equity Awards ($) | Fair Value as of Vesting Date of Equity Awards Granted and Vested in the Year ($) | Year over Year Change in Fair Value of Equity Awards Granted in Prior Years that Vested in the Year ($) | Fair Value at the End of the Prior Year of Equity Awards that Failed to Meet Vesting Conditions in the Year ($) | Value of Dividends or other Earnings Paid on Stock or Option Awards not Otherwise Reflected in Fair Value or Total Compensation ($) | Total Equity Award Adjustments ($)
2024 |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |
2023 |  |  | 181,993 |  | (i) |  | — |  |  |  |  | 4,066,217 |  | (ii) |  |  | 708,783 |  |  |  |  | (2,650,505 | ) | (iii) |  | — |  |  |  |  | 2,306,488 |  |
2022 |  |  | 2,344,590 |  |  |  |  | (1,459,624 | ) |  |  | — |  |  |  |  | (648,995 | ) |  |  | — |  |  |  |  | 8,637 |  |  |  |  | 244,608 |  |
2021 |  |  | 4,121,370 |  |  |  |  | 3,520,877 |  |  |  | — |  |  |  |  | 134,605 |  |  |  | — |  |  |  |  | 6,057 |  |  |  |  | 7,782,909 |  |
2020 |  |  | 2,129,804 |  |  |  |  | 1,234,369 |  |  |  | — |  |  |  |  | 130,549 |  |  |  | — |  |  |  |  | 4,476 |  |  |  |  | 3,499,199 |  |
(i) The amount reflects a pro rata RSA grant of 898 shares received by Mr. Gantt for his service as a non-employee director beginning July 1, 2023 (following his retirement as our President and Chief Executive Officer effective June 30, 2023). (ii) This amount reflects the accelerated vesting on June 23, 2023, of an aggregate of 24,898 shares subject to Mr. Gantt’s outstanding unvested RSAs and outstanding earned and unvested PBRSUs in connection with his retirement from the Company as discussed above. (iii) This amount reflects 18,680 shares of outstanding unvested RSAs and outstanding earned and unvested PBRSUs granted in 2021 and 2022 that were forfeited in 2023 due to the accelerated vesting of these shares on June 23, 2023, in connection with Mr. Gantt’s retirement from the Company as discussed above. (b) The amounts deducted or added in calculating the equity award adjustments are as follows:
Year | Year End Fair Value of Equity Awards ($) | Year over Year Change in Fair Value of Outstanding and Unvested Equity Awards ($) | Fair Value as of Vesting Date of Equity Awards Granted and Vested in the Year ($) | Year over Year Change in Fair Value of Equity Awards Granted in Prior Years that Vested in the Year ($) | Fair Value at the End of the Prior Year of Equity Awards that Failed to Meet Vesting Conditions in the Year ($) | Value of Dividends or other Earnings Paid on Stock or Option Awards not Otherwise Reflected in Fair Value or Total Compensation ($) | Total Equity Award Adjustments ($)
2024 |  |  | 970,200 |  |  |  |  | (166,447 | ) |  |  | — |  |  |  | 161,128 |  |  |  | — |  |  | — |  |  |  | 964,881 |  |
2023 |  |  | 826,873 |  |  |  |  | 790,440 |  |  |  | — |  |  |  | 514,895 |  |  |  | — |  |  | — |  |  |  | 2,132,208 |  |
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 |  | Financial Performance Measures As described in greater detail in “Compensation Discussion and Analysis,” our executive compensation program reflects a pay-for-performance philosophy. The metrics that the Company uses for both our long-term and short-term incentive awards are selected based on an objective of incentivizing our named executive officers to increase the value of our enterprise for our shareholders. The most important financial performance measures used by the Company to link executive compensation actually paid to the Company’s named executive officers, for the most recently completed fiscal year, to the Company’s performance are as follows:
Most Important Financial Performance Measures
Pre-Tax Income
Annual Pre-Tax Income Growth
Operating Ratio
Total Shareholder Return Amount |  | $ 285 | 325 | 227 | 285 | 155 |
Peer Group Total Shareholder Return Amount |  | 157 | 154 | 128 | 155 | 131 |
Net Income (Loss) |  | $ 1,186,073 | $ 1,239,502 | $ 1,377,159 | $ 1,034,375 | $ 672,682 |
Company Selected Measure Amount |  | 1,557,597 | 1,647,776 | 1,841,349 | 1,388,423 | 901,364 |
PEO Name | Mr. Gantt |  |  | Mr. Gantt | Mr. Gantt | Mr. Gantt | Mr. Freeman
Additional 402(v) Disclosure |  | (5) The dollar amounts reported in this column represent the average amount of “compensation actually paid” to the named executive officers as a group (excluding Mr. Gantt for 2020, 2021, 2022 and through June 30, 2023, and Mr. Freeman since July 1, 2023), as computed in accordance with Item 402(v). The dollar amounts do not reflect the actual average amount of compensation earned by or paid to the named executive officers as a group (excluding Mr. Gantt for 2020, 2021, 2022 and through June 30, 2023, and Mr. Freeman since July 1, 2023) during the applicable year. The names of each of the named executive officers (excluding Mr. Gantt for 2020, 2021, 2022 and through June 30, 2023, and Mr. Freeman since July 1, 2023) included for purposes of calculating the average amounts in each applicable year are as follows: (i) for 2024 and 2023, Messrs. Satterfield, Plemmons, Overbey and Parr; (ii) for 2022 and 2021, Mr. David S. Congdon and Messrs. Satterfield, Freeman and Plemmons; and (iii) for 2020, Mr. Earl E. Congdon, Mr. David S. Congdon and Messrs. Satterfield and Freeman. In accordance with the requirements of Item 402(v), the following adjustments were made to average total compensation for the named executive officers as a group (excluding Mr. Gantt for 2020, 2021, 2022 and through June 30, 2023, and Mr. Freeman since July 1, 2023) for each year to determine the compensation actually paid, using the same methodology described in footnote 2 above: |  |  |  |  |
Measure:: 1 |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
Name |  | Pre-Tax Income |  |  |  |  |
Measure:: 2 |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
Name |  | Annual Pre-Tax Income Growth |  |  |  |  |
Measure:: 3 |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
Name |  | Operating Ratio |  |  |  |  |
Gantt [Member] |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
PEO Total Compensation Amount |  | $ 0 | $ 11,296,746 | $ 12,828,375 | $ 10,577,833 | $ 7,987,957 |
PEO Actually Paid Compensation Amount |  | 0 | 7,675,675 | 10,494,358 | 16,385,495 | 9,878,641 |
Freeman [Member] |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
PEO Total Compensation Amount |  | 12,622,664 | 9,496,611 |  |  |  |
PEO Actually Paid Compensation Amount |  | 11,335,630 | 10,515,744 |  |  |  |
PEO | Gantt [Member] |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
Adjustment Value of Equity Awards |  | 0 | (5,927,559) | (2,578,625) | (1,975,247) | (1,608,515) |
Adjustment Equity Awards |  | 0 | 2,306,488 | 244,608 | 7,782,909 | 3,499,199 |
PEO | Gantt [Member] | Year End Fair Value of Equity Awards [Member] |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
Adjustment Equity Awards |  | 0 | 181,993 | 2,344,590 | 4,121,370 | 2,129,804 |
PEO | Gantt [Member] | Year over Year Change in Fair Value of Outstanding and Unvested Equity Awards [Member] |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
Adjustment Equity Awards |  | 0 | 0 | (1,459,624) | 3,520,877 | 1,234,369 |
PEO | Gantt [Member] | Fair Value as of Vesting Date of Equity Awards Granted and Vested in the Year [Member] |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
Adjustment Equity Awards |  | 0 | 4,066,217 | 0 | 0 | 0 |
PEO | Gantt [Member] | Year over Year Change in Fair Value of Equity Awards Granted in Prior Years that Vested in the Year [Member] |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
Adjustment Equity Awards |  | 0 | 708,783 | (648,995) | 134,605 | 130,549 |
PEO | Gantt [Member] | Fair Value at the End of the Prior Year of Equity Awards that Failed to Meet Vesting Conditions in the Year [Member] |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
Adjustment Equity Awards |  | (0) | (2,650,505) | 0 | 0 | 0 |
PEO | Gantt [Member] | Value of Dividends or other Earnings Paid on Stock or Option Awards not Otherwise Reflected in Fair Value or Total Compensation [Member] |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
Adjustment Equity Awards |  | 0 | 0 | 8,637 | 6,057 | 4,476 |
PEO | Freeman [Member] |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
Adjustment Value of Equity Awards |  | (2,251,915) | (1,113,075) |  |  |  |
Adjustment Equity Awards |  | 964,881 | 2,132,208 |  |  |  |
PEO | Freeman [Member] | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
Adjustment Equity Awards |  | 970,200 | 826,873 |  |  |  |
PEO | Freeman [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 Equity Awards |  | (166,447) | 790,440 |  |  |  |
PEO | Freeman [Member] | Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
Adjustment Equity Awards |  | 0 | 0 |  |  |  |
PEO | Freeman [Member] | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
Adjustment Equity Awards |  | 161,128 | 514,895 |  |  |  |
PEO | Freeman [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 Equity Awards |  | 0 | 0 |  |  |  |
PEO | Freeman [Member] | Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
Adjustment Equity Awards |  | 0 | 0 |  |  |  |
Non-PEO NEO |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
Adjustment Value of Equity Awards |  | (1,189,851) | (789,283) | (1,012,865) | (1,237,056) | (1,181,548) |
Adjustment Equity Awards |  | 558,604 | 1,465,517 | (306,877) | 5,003,136 | 2,581,294 |
Non-PEO NEO | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
Adjustment Equity Awards |  | 572,595 | 667,680 | 920,299 | 2,559,819 | 1,564,465 |
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 Equity Awards |  | (115,510) | 478,724 | (788,746) | 2,344,205 | 913,007 |
Non-PEO NEO | Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
Adjustment Equity Awards |  | 0 | 0 | 0 | 0 | 0 |
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 Equity Awards |  | 101,519 | 319,113 | (444,787) | 94,849 | 100,333 |
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 Equity Awards |  | 0 | 0 | 0 | 0 | 0 |
Non-PEO NEO | Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |
Adjustment Equity Awards |  | $ 0 | $ 0 | $ 6,357 | $ 4,264 | $ 3,490 |

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v + Details
Name: | ecd_Additional402vDisclosureTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 3 + Details
Name: | ecd_AdjToNonPeoNeoCompFnTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 3 + Details
Name: | ecd_AdjToPeoCompFnTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph vi + Details
Name: | ecd_CoSelectedMeasureAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph vi + Details
Name: | ecd_CoSelectedMeasureName
Namespace Prefix: | ecd_
Data Type: | xbrli:normalizedStringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 5 -Subparagraph iii + Details
Name: | ecd_CompActuallyPaidVsCoSelectedMeasureTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 5 -Subparagraph ii + Details
Name: | ecd_CompActuallyPaidVsNetIncomeTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 5 -Subparagraph i + Details
Name: | ecd_CompActuallyPaidVsTotalShareholderRtnTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 4 + Details
Name: | ecd_EquityValuationAssumptionDifferenceFnTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph vi + Details
Name: | ecd_MeasureName
Namespace Prefix: | ecd_
Data Type: | xbrli:normalizedStringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 3 + Details
Name: | ecd_NamedExecutiveOfficersFnTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph iii + Details
Name: | ecd_NonPeoNeoAvgCompActuallyPaidAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph ii + Details
Name: | ecd_NonPeoNeoAvgTotalCompAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph iv + Details
Name: | ecd_PeerGroupIssuersFnTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph iv + Details
Name: | ecd_PeerGroupTotalShareholderRtnAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph iii + Details
Name: | ecd_PeoActuallyPaidCompAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 3 + Details
Name: | ecd_PeoName
Namespace Prefix: | ecd_
Data Type: | xbrli:normalizedStringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph ii + Details
Name: | ecd_PeoTotalCompAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 1 + Details
Name: | ecd_PvpTable
Namespace Prefix: | ecd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 1 + Details
Name: | ecd_PvpTableTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 6 + Details
Name: | ecd_TabularListTableTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph iv + Details
Name: | ecd_TotalShareholderRtnAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 5 -Subparagraph iv + Details
Name: | ecd_TotalShareholderRtnVsPeerGroupTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Adjustment Equity Awards + References No definition available. + Details
Name: | odfl_AdjustmentEquityAwards
Namespace Prefix: | odfl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Adjustment Value of Equity Awards. + References No definition available. + Details
Name: | odfl_AdjustmentValueOfEquityAwards
Namespace Prefix: | odfl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483443/250-10-50-6 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483443/250-10-50-9 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 805 -SubTopic 60 -Name Accounting Standards Codification -Section 65 -Paragraph 1 -Subparagraph (g) -Publisher FASB -URI https://asc.fasb.org/1943274/2147476176/805-60-65-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 323 -Name Accounting Standards Codification -Section 65 -Paragraph 2 -Subparagraph (g)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478666/740-323-65-2 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(20)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(g)(1)(ii)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481687/323-10-50-3 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 28 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-28 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482765/220-10-50-6 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483443/250-10-50-3 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483443/250-10-50-1 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 40 -Name Accounting Standards Codification -Section 65 -Paragraph 1 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480175/815-40-65-1 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483443/250-10-50-8 Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483443/250-10-50-11 Reference 15: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483443/250-10-50-11 Reference 16: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483443/250-10-50-4 Reference 17: http://www.xbrl.org/2003/role/exampleRef -Topic 946 -SubTopic 830 -Name Accounting Standards Codification -Section 55 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479168/946-830-55-10 Reference 18: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section 45 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479105/946-220-45-7 Reference 19: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(18)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477250/944-220-S99-1 Reference 20: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07(9)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1 Reference 21: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.6-09(1)(d)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479134/946-220-S99-3 Reference 22: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(4)(i)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480097/470-10-S99-1A Reference 23: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(4)(ii)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480097/470-10-S99-1A Reference 24: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(4)(iii)(A)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480097/470-10-S99-1A Reference 25: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(4)(iv)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480097/470-10-S99-1A Reference 26: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(5)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480097/470-10-S99-1A Reference 27: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(4)(i)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480097/470-10-S99-1B Reference 28: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(4)(iii)(A)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480097/470-10-S99-1B Reference 29: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(4)(iii)(B)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480097/470-10-S99-1B Reference 30: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(4)(iv)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480097/470-10-S99-1B Reference 31: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(5)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480097/470-10-S99-1B Reference 32: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 60B -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482689/260-10-45-60B Reference 33: http://www.xbrl.org/2003/role/disclosureRef -Topic 205 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483499/205-20-50-7 Reference 34: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 35: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482790/220-10-45-1A Reference 36: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1B -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482790/220-10-45-1B Reference 37: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(22)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478524/942-220-S99-1 + Details
Name: | us-gaap_NetIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | ecd_MeasureAxis=1
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_MeasureAxis=2
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_MeasureAxis=3
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_IndividualAxis=odfl_GanttMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_IndividualAxis=odfl_FreemanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_ExecutiveCategoryAxis=ecd_PeoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_AdjToCompAxis=odfl_YearEndFairValueOfEquityAwardsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_AdjToCompAxis=odfl_YearOverYearChangeInFairValueOfOutstandingAndUnvestedEquityAwardsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_AdjToCompAxis=odfl_FairValueAsOfVestingDateOfEquityAwardsGrantedAndVestedInTheYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_AdjToCompAxis=odfl_YearOverYearChangeInFairValueOfEquityAwardsGrantedInPriorYearsThatVestedInTheYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_AdjToCompAxis=odfl_FairValueAtTheEndOfThePriorYearOfEquityAwardsThatFailedToMeetVestingConditionsInTheYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_AdjToCompAxis=odfl_ValueOfDividendsOrOtherEarningsPaidOnStockOrOptionAwardsNotOtherwiseReflectedInFairValueOrTotalCompensationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_AdjToCompAxis=ecd_YrEndFrValOfEqtyAwrdsGrntdInCvrdYrOutsdngAndUnvstdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_AdjToCompAxis=ecd_ChngInFrValOfOutsdngAndUnvstdEqtyAwrdsGrntdInPrrYrsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_AdjToCompAxis=ecd_VstngDtFrValOfEqtyAwrdsGrntdAndVstdInCvrdYrMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_AdjToCompAxis=ecd_ChngInFrValAsOfVstngDtOfPrrYrEqtyAwrdsVstdInCvrdYrMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_AdjToCompAxis=ecd_FrValAsOfPrrYrEndOfEqtyAwrdsGrntdInPrrYrsFldVstngCondsDrngCvrdYrMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_AdjToCompAxis=ecd_DvddsOrOthrErngsPdOnEqtyAwrdsNtOthrwsRflctdInTtlCompForCvrdYrMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_ExecutiveCategoryAxis=ecd_NonPeoNeoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |