Supporting Financial Information - Goodwill (Details) $ in Thousands	12 Months Ended
Sep. 30, 2023 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 65,643
Increase from GRSi acquisition	72,658
Tax Adjustment GRSI acquisition	(140)
Ending balance	$ 138,161

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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- 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.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

Amount of (increase) decrease to an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from the subsequent recognition of deferred tax assets.

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