Stockholders' Equity - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands |
9 Months Ended | ||
|---|---|---|---|
Jun. 30, 2024 |
Jun. 30, 2023 |
Sep. 30, 2023 |
|
| Class Of Stock [Line Items] | |||
| Treasury stock (in shares) | 694,414 | 660,063 | |
| Repurchase of common stock (in shares) | 34,351 | 38,990 | |
| Payment for repurchase of common stock | $ 862 | $ 988 | |
| Treasury stock market share price (in usd per share) | $ 25.09 | $ 25.35 | |
| Series E Convertible Preferred Stock | |||
| Class Of Stock [Line Items] | |||
| Preferred stock, shares issued (in shares) | 47,840 | 47,840 | |
| X | ||||||||||
- Definition Payment for repurchase of common stock. No definition available.
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Number of shares issued for nonredeemable preferred shares and preferred shares redeemable solely at option of issuer. Includes, but is not limited to, preferred shares issued, repurchased, and held as treasury shares. Excludes preferred shares classified as debt. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Total cost of shares repurchased divided by the total number of shares repurchased. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Number of previously issued common shares repurchased by the issuing entity and held in treasury. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|