Goodwill and Intangible Assets - Schedule of Aggregate Amortization Expense for Intangible Assets with Finite Lives (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization of acquired intangible assets	$ 10,424	$ 10,656	$ 20,787	$ 18,682
Cost of revenue	9,584	9,834	19,150	15,976
Total amortization expense	$ 20,008	$ 20,490	$ 39,937	$ 34,658