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Pay vs Performance Disclosure - USD ($) | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Pay vs Performance Disclosure |  |  |  |  |
Pay vs Performance Disclosure, Table | Pay Versus Performance In accordance with rules adopted by the SEC, we provide the following disclosure regarding executive Compensation Actually Paid (“CAP”) (as calculated in accordance with SEC rules) and certain Company performance for the fiscal years listed below. See “Executive Compensation” in this Proxy Statement for a complete description of how executive compensation relates to Company performance and how the Compensation Committee makes its decisions.
|  |  |  |  |  |  |  |  |  |  |  |  |  | Year-end value of $100 invested on 12/31/2019 in: |  |  |  |  |  |  |
Year |  | Summary Compensation Table Total for Joseph Hanna $ |  |  | Compensation Actually Paid to Joseph Hanna(1)(2)(3) $ |  |  | Average Summary Compensation Table Total for Non-CEO NEOs(4) $ |  |  | Average Compensation Actually Paid to Non-CEO NEOs(1)(2)(3)(4) $ |  |  | MGRC $ |  |  | S&P 500 Industrials Index $ |  |  | Net Income (in millions) $ |  |  | Pre-Tax Income (in millions) $ |
2024 |  |  | 5,337,471 |  |  |  | 4,343,165 |  |  |  | 1,409,629 |  |  |  | 1,263,606 |  |  |  | 162.65 |  |  |  | 176.44 |  |  |  | 231.7 |  |  |  | 313.6 |
2023 |  |  | 4,771,898 |  |  |  | 8,501,597 |  |  |  | 1,249,999 |  |  |  | 1,755,679 |  |  |  | 171.07 |  |  |  | 150.20 |  |  |  | 174.6 |  |  |  | 151.2 |
2022 |  |  | 3,121,167 |  |  |  | 4,871,184 |  |  |  | 1,029,825 |  |  |  | 1,480,971 |  |  |  | 138.54 |  |  |  | 127.15 |  |  |  | 115.1 |  |  |  | 150.0 |
2021 |  |  | 3,261,680 |  |  |  | 4,386,308 |  |  |  | 969,855 |  |  |  | 1,277,750 |  |  |  | 110.13 |  |  |  | 134.52 |  |  |  | 89.7 |  |  |  | 121.8 |
2020 |  |  | 2,668,399 |  |  |  | 1,108,518 |  |  |  | 857,107 |  |  |  | 360,892 |  |  |  | 90.04 |  |  |  | 111.06 |  |  |  | 102.0 |  |  |  | 132.0 |
(1) Deductions from, and additions to, total compensation in the “Summary Compensation Table” by year to calculate CAP include:
|  | 2024 |  |  |  |
|  | Joseph Hanna |  |  | Average Non-CEO NEOs |
Total Compensation from Summary Compensation Table |  | $ | 5,337,471 |  |  | $ | 1,409,629 |
Adjustments for Pension |  |  |  |  |  |
Adjustment Summary Compensation Table Pension |  | $ | — |  |  | $ | — |
Amount added for current year service cost |  | $ | — |  |  | $ | — |
Amount added for prior service cost impacting current year |  | $ | — |  |  | $ | — |
Total Adjustments for Pension |  | $ | — |  |  | $ | — |
Adjustments for Equity Awards |  |  |  |  |  |
Adjustment for Grant Date Values in the Summary Compensation Table |  | $ | — |  |  | $ | — |
Grant Date Fair Value of Equity Awards Granted in Fiscal Year |  | $ | (3,299,858 | ) |  | $ | (624,812 | )
Fair Value at Fiscal Year End of Outstanding and Unvested Equity Awards Granted in the Fiscal Year |  | $ | 2,954,284 |  |  | $ | 559,380 |
Change in Fair Value of Outstanding and Unvested Equity Awards Granted in Prior Fiscal Years |  | $ | (697,888 | ) |  | $ | (89,433 | )
Fair Value at Vesting of Equity Awards Granted and Vested in the Fiscal Year |  | $ | — |  |  | $ | — |
Change in Fair Value as of the Vesting Date of Equity Awards Granted in Prior Fiscal Years that Vested in the Fiscal Year |  | $ | (84,017 | ) |  | $ | (15,534 | )
Fair Value as of the Prior Fiscal Year End of Equity Awards Granted in Prior Fiscal Years that Failed to Meet Vesting Conditions in the Fiscal Year |  | $ | — |  |  | $ | — |
Value of Dividends or Other Earnings Paid on Equity Awards Not Otherwise Reflected in Total Compensation |  | $ | 133,172 |  |  | $ | 24,377 |
Total Adjustments for Equity Awards |  | $ | (994,306 | ) |  | $ | (146,023 | )
Compensation Actually Paid (as calculated) |  | $ | 4,343,165 |  |  | $ | 1,263,606 |
(2) The assumptions used in calculating the fair value of the equity awards did not differ in any material respect from the assumptions used to calculate the grant date fair value of the awards as reported in the Summary Compensation Table, except that as of the end of 2024, the fair value calculations of the PSUs granted in 2022 assumed a payout at maximum, and the PSUs granted in 2023 assumed a payout between target and maximum, in each case as compared to the grant date fair value calculations which assumed a payout at target. (3) Non-CEO NEOs reflect the average “Summary Compensation Table” total compensation and average CAP for the following executives by year: 2024: Pratt, Keith; Hawkins, Philip; Malek, Gilda; Van Trease, Kristina 2023: Pratt, Keith; Hawkins, Philip; Malek, Gilda; Van Trease, Kristina 2022: Pratt, Keith; Hawkins, Philip; Craft, Melodie; Van Trease, Kristina 2021: Pratt, Keith; Hawkins, Philip; Lieffrig, John; Craft, Melodie 2020: Pratt, Keith; Hawkins, Philip; Craft, Melodie; Van Trease, Kristina |  |  |  |
Company Selected Measure Name | Pre-TaxIncome |  |  |  |
Named Executive Officers, Footnote | (3) Non-CEO NEOs reflect the average “Summary Compensation Table” total compensation and average CAP for the following executives by year: 2024: Pratt, Keith; Hawkins, Philip; Malek, Gilda; Van Trease, Kristina 2023: Pratt, Keith; Hawkins, Philip; Malek, Gilda; Van Trease, Kristina 2022: Pratt, Keith; Hawkins, Philip; Craft, Melodie; Van Trease, Kristina 2021: Pratt, Keith; Hawkins, Philip; Lieffrig, John; Craft, Melodie 2020: Pratt, Keith; Hawkins, Philip; Craft, Melodie; Van Trease, Kristina |  |  |  |
PEO Total Compensation Amount | $ 5,337,471 | $ 4,771,898 | $ 3,121,167 | $ 3,261,680 | $ 2,668,399
PEO Actually Paid Compensation Amount | $ 4,343,165 | 8,501,597 | 4,871,184 | 4,386,308 | 1,108,518
Adjustment To PEO Compensation, Footnote | (1) Deductions from, and additions to, total compensation in the “Summary Compensation Table” by year to calculate CAP include:
|  | 2024 |  |  |  |
|  | Joseph Hanna |  |  | Average Non-CEO NEOs |
Total Compensation from Summary Compensation Table |  | $ | 5,337,471 |  |  | $ | 1,409,629 |
Adjustments for Pension |  |  |  |  |  |
Adjustment Summary Compensation Table Pension |  | $ | — |  |  | $ | — |
Amount added for current year service cost |  | $ | — |  |  | $ | — |
Amount added for prior service cost impacting current year |  | $ | — |  |  | $ | — |
Total Adjustments for Pension |  | $ | — |  |  | $ | — |
Adjustments for Equity Awards |  |  |  |  |  |
Adjustment for Grant Date Values in the Summary Compensation Table |  | $ | — |  |  | $ | — |
Grant Date Fair Value of Equity Awards Granted in Fiscal Year |  | $ | (3,299,858 | ) |  | $ | (624,812 | )
Fair Value at Fiscal Year End of Outstanding and Unvested Equity Awards Granted in the Fiscal Year |  | $ | 2,954,284 |  |  | $ | 559,380 |
Change in Fair Value of Outstanding and Unvested Equity Awards Granted in Prior Fiscal Years |  | $ | (697,888 | ) |  | $ | (89,433 | )
Fair Value at Vesting of Equity Awards Granted and Vested in the Fiscal Year |  | $ | — |  |  | $ | — |
Change in Fair Value as of the Vesting Date of Equity Awards Granted in Prior Fiscal Years that Vested in the Fiscal Year |  | $ | (84,017 | ) |  | $ | (15,534 | )
Fair Value as of the Prior Fiscal Year End of Equity Awards Granted in Prior Fiscal Years that Failed to Meet Vesting Conditions in the Fiscal Year |  | $ | — |  |  | $ | — |
Value of Dividends or Other Earnings Paid on Equity Awards Not Otherwise Reflected in Total Compensation |  | $ | 133,172 |  |  | $ | 24,377 |
Total Adjustments for Equity Awards |  | $ | (994,306 | ) |  | $ | (146,023 | )
Compensation Actually Paid (as calculated) |  | $ | 4,343,165 |  |  | $ | 1,263,606 |
Non-PEO NEO Average Total Compensation Amount | $ 1,409,629 | 1,249,999 | 1,029,825 | 969,855 | 857,107
Non-PEO NEO Average Compensation Actually Paid Amount | $ 1,263,606 | 1,755,679 | 1,480,971 | 1,277,750 | 360,892
Adjustment to Non-PEO NEO Compensation Footnote | (1) Deductions from, and additions to, total compensation in the “Summary Compensation Table” by year to calculate CAP include:
|  | 2024 |  |  |  |
|  | Joseph Hanna |  |  | Average Non-CEO NEOs |
Total Compensation from Summary Compensation Table |  | $ | 5,337,471 |  |  | $ | 1,409,629 |
Adjustments for Pension |  |  |  |  |  |
Adjustment Summary Compensation Table Pension |  | $ | — |  |  | $ | — |
Amount added for current year service cost |  | $ | — |  |  | $ | — |
Amount added for prior service cost impacting current year |  | $ | — |  |  | $ | — |
Total Adjustments for Pension |  | $ | — |  |  | $ | — |
Adjustments for Equity Awards |  |  |  |  |  |
Adjustment for Grant Date Values in the Summary Compensation Table |  | $ | — |  |  | $ | — |
Grant Date Fair Value of Equity Awards Granted in Fiscal Year |  | $ | (3,299,858 | ) |  | $ | (624,812 | )
Fair Value at Fiscal Year End of Outstanding and Unvested Equity Awards Granted in the Fiscal Year |  | $ | 2,954,284 |  |  | $ | 559,380 |
Change in Fair Value of Outstanding and Unvested Equity Awards Granted in Prior Fiscal Years |  | $ | (697,888 | ) |  | $ | (89,433 | )
Fair Value at Vesting of Equity Awards Granted and Vested in the Fiscal Year |  | $ | — |  |  | $ | — |
Change in Fair Value as of the Vesting Date of Equity Awards Granted in Prior Fiscal Years that Vested in the Fiscal Year |  | $ | (84,017 | ) |  | $ | (15,534 | )
Fair Value as of the Prior Fiscal Year End of Equity Awards Granted in Prior Fiscal Years that Failed to Meet Vesting Conditions in the Fiscal Year |  | $ | — |  |  | $ | — |
Value of Dividends or Other Earnings Paid on Equity Awards Not Otherwise Reflected in Total Compensation |  | $ | 133,172 |  |  | $ | 24,377 |
Total Adjustments for Equity Awards |  | $ | (994,306 | ) |  | $ | (146,023 | )
Compensation Actually Paid (as calculated) |  | $ | 4,343,165 |  |  | $ | 1,263,606 |
Equity Valuation Assumption Difference, Footnote | The assumptions used in calculating the fair value of the equity awards did not differ in any material respect from the assumptions used to calculate the grant date fair value of the awards as reported in the Summary Compensation Table, except that as of the end of 2024, the fair value calculations of the PSUs granted in 2022 assumed a payout at maximum, and the PSUs granted in 2023 assumed a payout between target and maximum, in each case as compared to the grant date fair value calculations which assumed a payout at target. |  |  |  |
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 | Most Important Performance Measures In our assessment, the most important performance measures used to link CAP (as calculated in accordance with the SEC rules) to Company performance are listed in the table below. The role of each of these performance measures in our executive compensation program is discussed in “Executive Compensation Program Design” in this Proxy Statement.
| Performance Measures
| Pre-Tax Income
| Adjusted EBITDA
Total Shareholder Return Amount | $ 162.65 | 171.07 | 138.54 | 110.13 | 90.04
Peer Group Total Shareholder Return Amount | 176.44 | 150.2 | 127.15 | 134.52 | 111.06
Net Income (Loss) | $ 231,700,000 | $ 174,600,000 | $ 115,100,000 | $ 89,700,000 | $ 102,000,000
Company Selected Measure Amount | 313,600,000 | 151,200,000 | 150,000,000 | 121,800,000 | 132,000,000
PEO Name | Joseph Hanna |  |  |  |
Measure:: 1 |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Name | Pre-Tax Income |  |  |  |
Measure:: 2 |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Name | Adjusted EBITDA |  |  |  |
PEO |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | $ 0 |  |  |  |
PEO | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 0 |  |  |  |
PEO | Equity Awards Adjustments, Excluding Value Reported in Compensation Table |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | (994,306) |  |  |  |
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 | (3,299,858) |  |  |  |
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 | (697,888) |  |  |  |
PEO | Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 2,954,284 |  |  |  |
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 | (84,017) |  |  |  |
PEO | 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 | 0 |  |  |  |
PEO | Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 133,172 |  |  |  |
PEO | Adjustments for Pension [Member] |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 0 |  |  |  |
PEO | Adjustment Summary Compensation Table Pension [Member] |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 0 |  |  |  |
PEO | Amount added for current year service cost [Member] |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 0 |  |  |  |
PEO | Amount added for prior service cost impacting current year [Member] |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 0 |  |  |  |
Non-PEO NEO |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 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 | 0 |  |  |  |
Non-PEO NEO | Equity Awards Adjustments, Excluding Value Reported in Compensation Table |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | (146,023) |  |  |  |
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 | (624,812) |  |  |  |
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 | (89,433) |  |  |  |
Non-PEO NEO | Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 559,380 |  |  |  |
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 | (15,534) |  |  |  |
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 | 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 to Compensation, Amount | 24,377 |  |  |  |
Non-PEO NEO | Adjustments for Pension [Member] |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 0 |  |  |  |
Non-PEO NEO | Adjustment Summary Compensation Table Pension [Member] |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 0 |  |  |  |
Non-PEO NEO | Amount added for current year service cost [Member] |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 0 |  |  |  |
Non-PEO NEO | Amount added for prior service cost impacting current year [Member] |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | $ 0 |  |  |  |

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