Goodwill - Additional Information (Details) - USD ($) |
12 Months Ended | |
|---|---|---|
Sep. 30, 2023 |
Sep. 30, 2022 |
|
| Goodwill [Line Items] | ||
| Goodwill recognized during year | $ 35,085,000 | $ 3,339,000 |
| Fair value adjustments | (312,000) | |
| Goodwill impairment loss | 0 | 3,717,000 |
| SW Financial | ||
| Goodwill [Line Items] | ||
| Goodwill recognized during year | 35,100,000 | 3,300,000 |
| Fair value adjustments | 312,000 | |
| Goodwill impairment loss | $ 0 | $ 3,700,000 |
| X | ||||||||||
- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| 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/disclosureRef
|
| X | ||||||||||
- Definition Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Details
|