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v3.25.2

Equity (Details) $ in Thousands |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Nov. 01, 2024 shares | Jun. 30, 2025 USD ($) voting_right shares | Mar. 31, 2025 USD ($) | Dec. 31, 2024 USD ($) | Jun. 30, 2024 USD ($) | Dec. 31, 2023 USD ($) | Jun. 30, 2025 USD ($) voting_right shares | Sep. 30, 2024 shares
Schedule of Stockholders Equity [Line Items] |  |  |  |  |  |  |  |
Treasury stock, value, acquired, cost method | $ |  | $ 674 | $ 8,048 | $ 12,081 | $ 5,269 | $ 1,336 |  |
2024 Stock Repurchase Program |  |  |  |  |  |  |  |
Schedule of Stockholders Equity [Line Items] |  |  |  |  |  |  |  |
Treasury stock, shares, acquired (in shares) |  |  |  |  |  |  | 119,370 |
Treasury stock, value, acquired, cost method | $ |  |  |  |  |  |  | $ 8,700 |
Class A Common Stock |  |  |  |  |  |  |  |
Schedule of Stockholders Equity [Line Items] |  |  |  |  |  |  |  |
Voting rights for each share | voting_right |  | 1 |  |  |  |  | 1 |
Conversion rate |  |  |  |  |  |  | 1 |
Common stock, shares outstanding (in shares) |  | 47,433,440 |  |  |  |  | 47,433,440 | 43,819,102
Treasury stock, shares, acquired (in shares) |  |  |  |  |  |  | 146,761 |
Class A Common Stock | Restricted Stock | Equity Incentive Plan |  |  |  |  |  |  |  |
Schedule of Stockholders Equity [Line Items] |  |  |  |  |  |  |  |
Forfeitures (in shares) |  |  |  |  |  |  | 20,318 |
Options granted (in shares) |  |  |  |  |  |  | 333,995 |
Class A Common Stock | Restricted Stock | Equity Incentive Plan | Share-Based Payment Arrangement, Nonemployee |  |  |  |  |  |  |  |
Schedule of Stockholders Equity [Line Items] |  |  |  |  |  |  |  |
Restricted shares (in shares) |  |  |  |  |  |  | 240,000 |
Class A Common Stock | Performance Shares |  |  |  |  |  |  |  |
Schedule of Stockholders Equity [Line Items] |  |  |  |  |  |  |  |
Shares issued (in shares) |  |  |  |  |  |  | 215,917 |
Class A Common Stock | Performance Shares | Share-Based Payment Arrangement, Nonemployee |  |  |  |  |  |  |  |
Schedule of Stockholders Equity [Line Items] |  |  |  |  |  |  |  |
Shares issued (in shares) |  |  |  |  |  |  | 79,000 |
Class A Common Stock | Lone Star Paving |  |  |  |  |  |  |  |
Schedule of Stockholders Equity [Line Items] |  |  |  |  |  |  |  |
Business acquisition, restricted shares (in shares) | 3,000,000 |  |  |  |  |  | 3,000,000 |
Class B Common Stock |  |  |  |  |  |  |  |
Schedule of Stockholders Equity [Line Items] |  |  |  |  |  |  |  |
Voting rights for each share | voting_right |  | 10 |  |  |  |  | 10 |
Conversion of Class B common stock to Class A common stock (in shares) |  |  |  |  |  |  | 429,880 |
Common stock, shares outstanding (in shares) |  | 8,538,165 |  |  |  |  | 8,538,165 | 8,861,698
Treasury stock, shares, acquired (in shares) |  |  |  |  |  |  | 2,653 |
Class B Common Stock | Restricted Stock | Equity Incentive Plan |  |  |  |  |  |  |  |
Schedule of Stockholders Equity [Line Items] |  |  |  |  |  |  |  |
Options granted (in shares) |  |  |  |  |  |  | 48,000 |
Class B Common Stock | Performance Shares |  |  |  |  |  |  |  |
Schedule of Stockholders Equity [Line Items] |  |  |  |  |  |  |  |
Shares issued (in shares) |  |  |  |  |  |  | 61,000 |
Class B Common Stock | Performance Shares | Share-Based Payment Arrangement, Employee |  |  |  |  |  |  |  |
Schedule of Stockholders Equity [Line Items] |  |  |  |  |  |  |  |
Shares issued (in shares) |  |  |  |  |  |  | 61,000 |

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