Condensed Consolidated Statements of Operations and Comprehensive Loss (unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Statement of Comprehensive Income [Abstract]
Revenues	$ 63,740	$ 56,113	$ 178,163	$ 146,259
Operating expenses:
Cost of revenues	41,845	30,974	112,956	87,744
Research and development	24,528	36,840	83,148	90,701
Selling, general and administrative	46,057	53,693	142,347	158,790
Costs	12,672	0	12,672	0
Change in fair value of contingent considerations and holdbacks	(581)	(4,231)	(5,913)	(13,071)
Total operating expenses	124,521	117,276	345,210	324,164
Loss from operations	(60,781)	(61,163)	(167,047)	(177,905)
Interest income	3,968	722	10,472	1,134
Interest expense	(1)	0	(4)	(54)
Other income (expense), net	41	(225)	(422)	(626)
Loss before income taxes	(56,773)	(60,666)	(157,001)	(177,451)
Benefit from / (provision for) income taxes	(622)	149	(1,374)	10,703
Net loss attributable to common stockholders	(57,395)	(60,517)	(158,375)	(166,748)
Other comprehensive loss:
Change in unrealized loss on investments	(208)	(404)	1,308	(1,794)
Foreign currency translation adjustment	(538)	(498)	(100)	(129)
Comprehensive loss	$ (58,141)	$ (61,419)	$ (157,167)	$ (168,671)
Net loss per share attributable to common stockholders—basic (in usd per share)	$ (1.01)	$ (1.08)	$ (2.79)	$ (3.15)
Net loss per share attributable to common stockholders—diluted (in usd per share)	$ (1.01)	$ (1.08)	$ (2.79)	$ (3.15)
Weighted average shares used in computing net loss per share attributable to common stockholders—basic (in shares)	57,041	56,287	56,753	53,005
Weighted average shares used in computing net loss per share attributable to common stockholders—diluted (in shares)	57,041	56,287	56,753	53,005