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Stockholders' Equity - Schedule of Stock-based Compensation (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
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Mar. 31, 2023 | Mar. 31, 2022 | Mar. 31, 2023 | Mar. 31, 2022
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Stock-based compensation | $ 12,355 | $ 10,926 | $ 24,827 | $ 16,767
Cost of Connected Services |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Stock-based compensation | 175 | 197 | 371 | 343
Cost of Professional Services |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Stock-based compensation | 1,012 | 1,373 | 2,165 | 2,319
Research and Development |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Stock-based compensation | 4,088 | 4,146 | 8,542 | 6,141
Sales and Marketing |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Stock-based compensation | 1,522 | 1,422 | 3,182 | 844
General and Administrative |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Stock-based compensation | 5,558 | 3,788 | 10,567 | 3,120
Restructuring and Other Costs, Net |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Stock-based compensation | $ 0 | $ 0 | $ 0 | $ 4,000

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