Segment Information - Narrative (Details) |
9 Months Ended |
|---|---|
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Jun. 30, 2026
state
segment
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| Segment Reporting [Abstract] | |
| Number of reportable segments | segment | 2 |
| Number of states with service areas | state | 8 |
| X | ||||||||||
- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition The number of states the entity operates in as of the balance sheet date. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- References No definition available.
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