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Accounting for Stock-Based Compensation - Additional Information (Details) |  |  |  | 3 Months Ended | 9 Months Ended
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Jun. 01, 2024 USD ($) shares | Mar. 01, 2024 USD ($) Director shares | Mar. 01, 2023 USD ($) Director shares | Sep. 30, 2024 USD ($) $ / shares shares | Jun. 30, 2024 shares | Mar. 31, 2024 shares | Sep. 30, 2023 shares | Sep. 30, 2024 USD ($) Item $ / shares shares | Sep. 30, 2023 USD ($) Item $ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Employee service share-based compensation, unrecognized compensation costs on nonvested awards | $ |  |  |  | $ 23,000,000 |  |  |  | $ 23,000,000 |
Employee service share-based compensation total compensation cost not yet recognized, period for recognition |  |  |  |  |  |  |  | 21 months |
Employee service share-based compensation, nonvested awards, modifications to awards | Item |  |  |  |  |  |  |  | 0 | 0
Exercised, Shares |  |  |  | 0 |  |  | 0 | 0 |
Maximum |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Aggregate intrinsic value of options exercised | $ |  |  |  |  |  |  |  |  | $ 1,000,000
Employee Stock Option |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Employee service share-based compensation total compensation cost not yet recognized, period for recognition |  |  |  |  |  |  |  | 19 months |
Employee service share-based compensation, unrecognized compensation costs on nonvested stock options | $ |  |  |  | $ 4,000,000 |  |  |  | $ 4,000,000 |
Granted, Shares |  |  |  |  |  | 901,000 |  |  |
Weighted-average grant date fair value of stock options | $ / shares |  |  |  |  |  |  |  | $ 2.19 | $ 4.61
Share Price | $ / shares |  |  |  | $ 6.07 |  |  |  | $ 6.07 |
Restricted Stock and RSUs |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Employee service share-based compensation total compensation cost not yet recognized, period for recognition |  |  |  |  |  |  |  | 21 months |
Employee service share-based compensation, unrecognized compensation costs on nonvested awards other than options | $ |  |  |  | $ 19,000,000 |  |  |  | $ 19,000,000 |
Restricted Stock, Performance-Based Units |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Share-based compensation arrangement by payment award, performance objective measurement period |  |  |  |  |  |  |  | 3 years |
Restricted Stock Units (RSUs) |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Share-based compensation, number of grants |  |  |  |  | 62,718 | 844,950 |  |  |
Number of directors elected to defer the receipt of RSUs granted | Director |  | 5 | 4 |  |  |  |  |  |
Restricted Stock |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Share-based compensation arrangement award vesting rights |  |  |  |  |  |  |  | one-third increments on each of the first three anniversaries of the award date |
Share-based compensation, number of grants |  |  |  |  | 4,000 | 2,842,000 |  |  |
Plan 2009 |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Share-based compensation arrangement award vesting rights |  |  |  |  |  |  |  | one-third increments on each of the first three anniversaries of the option grant date |
Contractual term of option granted |  |  |  |  |  |  |  | 10 years |
Unissued common stock reserved for grants |  |  |  | 3,858,715 |  |  |  | 3,858,715 |
Plan 2009 | Restricted Stock Units (RSUs) | Non-management Directors |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Share-based compensation, number of grants |  | 62,718 | 29,268 |  |  |  |  |  |
Fair value of units granted | $ |  | $ 180,000 | $ 180,000 |  |  |  |  |  |
Plan 2009 | Restricted Stock Units (RSUs) | New Non-Management Director |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Share-based compensation, number of grants | 62,718 |  |  |  |  |  |  |  |
Fair value of units granted | $ | $ 248,000 |  |  |  |  |  |  |  |
Plan 2009 | Restricted Stock Units (RSUs) | Board Of Directors Chairman |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Share-based compensation, number of grants |  | 92,334 | 43,089 |  |  |  |  |  |
Fair value of units granted | $ |  | $ 265,000 | $ 265,000 |  |  |  |  |  |
Performance-Based Awards Granted On March 1, 2018 | Restricted Stock, Performance-Based Units | Chief Executive Officer and Chief Financial Officer |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Share-based compensation arrangement award vesting rights, percentage |  | 80.00% |  |  |  |  |  |  |
Performance-Based Awards Granted On March 1, 2018 | Restricted Stock, Performance-Based Units | Other Senior Executives |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Share-based compensation arrangement award vesting rights, percentage |  | 100.00% |  |  |  |  |  |  |

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