v3.26.1
REVENUE RECOGNITION - Schedule of Revenue from External Customers by Geographic Areas (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Customer, Extent of Reliance [Line Items]        
Total revenue $ 54,038 $ 45,729 $ 153,123 $ 134,912
United States        
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Customer, Extent of Reliance [Line Items]        
Total revenue 43,931 35,354 119,092 103,430
United Kingdom        
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Customer, Extent of Reliance [Line Items]        
Total revenue 5,699 5,669 17,380 15,442
All other countries        
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Customer, Extent of Reliance [Line Items]        
Total revenue $ 4,408 $ 4,706 $ 16,651 $ 16,040