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Fair Value Measurements - Fair Value Measurement of Acquired Intangible Assets (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2024 | Sep. 30, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Operating lease, right-of-use asset | $ 3,110 | $ 3,886
Evertel Technologies, LLC [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Intangible assets from Evertel acquisition | 2,550 |
Intangible assets, gain (loss) | 0 |
Goodwill from software reporting unit | 2,923 |
Gain (loss) in goodwill | 0 |
Operating lease, right-of-use asset |  | 79
Operating lease right of use asset gain (loss) |  | 0
Evertel Technologies, LLC [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Intangible assets from Evertel acquisition | 0 |
Goodwill from software reporting unit | 0 |
Operating lease, right-of-use asset |  | 0
Evertel Technologies, LLC [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Intangible assets from Evertel acquisition | 0 |
Goodwill from software reporting unit | 0 |
Operating lease, right-of-use asset |  | 0
Evertel Technologies, LLC [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Intangible assets from Evertel acquisition | 2,550 |
Goodwill from software reporting unit | $ 2,923 |
Operating lease, right-of-use asset |  | $ 79

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