Revenue Recognition - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Disaggregation of Revenue [Line Items]
Royalty income	$ 2,580	$ 2,850	$ 3,550	$ 3,710
Revenues	111,231	85,264	199,572	178,181
Lease Elements [Member] | Product Concentration Risk [Member] | Revenues [Member] | Reagent Rental Arrangements [Member]
Disaggregation of Revenue [Line Items]
Revenues	$ 970	$ 900	$ 1,725	$ 1,780