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Stockholders' Deficit - Narrative (Details) - USD ($) |  |  |  | 3 Months Ended | 6 Months Ended | 12 Months Ended | 42 Months Ended
--- | --- | --- | --- | --- | --- | --- | ---
Jul. 28, 2025 | Dec. 10, 2024 | Apr. 01, 2024 | Jun. 30, 2025 | Mar. 31, 2025 | Jun. 30, 2024 | Mar. 31, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024 | Jun. 30, 2025
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Common stock issued under exercise of stock options (in shares) |  |  |  |  |  |  |  | 104,034 |  |  |
Shares, new issues (in shares) |  |  |  |  |  |  |  | 104,034 |  |  |
Maximum contractual term of stock options |  |  |  |  |  |  |  | 10 years |  |  |
Share-based compensation expense |  |  |  | $ 2,600,000 |  | $ 2,700,000 |  | $ 5,800,000 | $ 4,900,000 |  |
Cash dividend declared per share (in dollars per share) |  |  |  | $ 0.20 | $ 0.20 | $ 0.1975 | $ 0.1975 |  |  |  |
Dividends, common stock |  |  |  | $ 3,300,000 |  |  |  |  |  |  |
Subsequent Event |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Cash dividend declared per share (in dollars per share) | $ 0.20 |  |  |  |  |  |  |  |  |  |
Repurchased Plan |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Period in force |  | 3 years |  |  |  |  |  |  |  |  |
Class A | Repurchased Plan |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Repurchase amount |  |  |  | 50,000,000 |  |  |  | $ 50,000,000 |  | $ 50,000,000 | $ 50,000,000
Repurchase of stock (in shares) |  |  | 1,500,000 |  |  |  |  |  |  |  |
2021 Stock Repurchase Plan |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Repurchase of stock (in shares) |  |  |  |  |  |  |  |  |  |  | 2,491,022
2021 Stock Repurchase Plan | Class A |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Repurchase of stock (in shares) |  |  |  |  |  |  |  | 0 |  |  |
Shares issued under stock bonus program |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Share-based payment arrangement, expense |  |  |  | 1,200,000 |  | $ 1,800,000 |  | $ 2,200,000 | $ 1,800,000 |  |
Granted (in shares) |  |  |  |  |  |  |  |  |  | 566,359 |
Maximum | Repurchased Plan |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Repurchase amount |  | $ 50,000,000 |  |  |  |  |  |  |  |  |
Restricted stock awards |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Shares granted (in shares) |  |  |  |  |  |  |  | 102,556 |  |  |
Restricted stock awards | Non Employee Directors |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Shares granted (in shares) |  |  |  |  |  |  |  | 71,505 |  |  |
Restricted stock awards | Non Employee Directors | Minimum |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Award vesting period (in years) |  |  |  |  |  |  |  | 1 year |  |  |
Restricted stock awards | Non Employee Directors | Maximum |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Award vesting period (in years) |  |  |  |  |  |  |  | 3 years |  |  |
Market conditions |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Shares granted (in shares) |  |  |  |  |  |  |  | 331,087 |  |  |
Market conditions | Minimum |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Grant date fair value of restricted stock (in dollars per share) |  |  |  |  |  |  |  | $ 6.75 |  |  |
Market conditions | Minimum | With Grant Date Fair Value Ranging From 2.30 to 2.95 |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Award vesting period (in years) |  |  |  |  |  |  |  | 3 years |  |  |
Market conditions | Maximum |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Grant date fair value of restricted stock (in dollars per share) |  |  |  |  |  |  |  | $ 7.47 |  |  |
Service conditions |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Shares granted (in shares) |  |  |  |  |  |  |  | 266,153 |  |  |
Service conditions | Non Employee Directors | Maximum |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Award vesting period (in years) |  |  |  |  |  |  |  | 3 years |  |  |
Bonus Shares |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Shares granted (in shares) |  |  |  |  |  |  |  | 479,749 |  |  |
Shares expected to be issued under the 2021 Employee Stock Purchase Plan | 2021 Employee Stock Purchase Plan | Class A |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
ESPP shares issued (in shares) |  |  |  |  |  |  |  | 35,288 |  |  |
Stock options |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Compensation cost not yet recognized |  |  |  | 2,900,000 |  |  |  | $ 2,900,000 |  |  | $ 2,900,000
Compensation cost not yet recognized, period for recognition |  |  |  |  |  |  |  | 1 year 7 months 6 days |  |  |
Stock options | With Grant Date Fair Value of $1.03 |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Maximum contractual term of stock options |  |  |  |  |  |  |  | 10 years |  |  |
Award vesting period (in years) |  |  |  |  |  |  |  | 4 years |  |  |
Grant date fair value of restricted stock (in dollars per share) |  |  |  |  |  |  |  | $ 1.03 |  |  |
Granted (in shares) |  |  |  |  |  |  |  | 72,521 |  |  |
Stock options | With Grant Date Fair Value of $1.16 |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Maximum contractual term of stock options |  |  |  |  |  |  |  | 10 years |  |  |
Award vesting period (in years) |  |  |  |  |  |  |  | 3 years |  |  |
Grant date fair value of restricted stock (in dollars per share) |  |  |  |  |  |  |  | $ 1.16 |  |  |
Granted (in shares) |  |  |  |  |  |  |  | 149,573 |  |  |
Restricted stock units |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Compensation cost not yet recognized |  |  |  | $ 4,900,000 |  |  |  | $ 4,900,000 |  |  | $ 4,900,000
Compensation cost not yet recognized, period for recognition |  |  |  |  |  |  |  | 1 year 9 months 18 days |  |  |
Performance-Based Stock Option |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Granted (in shares) |  |  |  |  |  |  |  | 148,528 |  |  |
Performance-Based Stock Option | Minimum |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Grant date fair value of restricted stock (in dollars per share) |  |  |  |  |  |  |  | $ 1.09 |  |  |
Performance-Based Stock Option | Maximum |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Grant date fair value of restricted stock (in dollars per share) |  |  |  |  |  |  |  | $ 1.27 |  |  |

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