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Convertible Senior Notes (Tables)

3 Months Ended

Dec. 31, 2021

Debt Disclosure [Abstract]

Schedule of Carrying Values of Company's 2026 Notes

The carrying values of the Company’s 2026 Notes are as follows (in thousands):

			December 31, 2021
2026 Notes:
Principal amount			$	155,250
Less: unamortized discount and issuance costs, net of amortization			(32,618)
Carrying amount			$	122,632
2026 Notes embedded conversion derivative			$	42,821

Schedule of Changes in Fair Value of Embedded Conversion Derivative

The following table includes a summary of the contingent consideration measured at fair value using significant unobservable inputs (Level 3) during the three months ended December 31, 2021 (amounts shown in thousands):

Balance at September 30, 2021			$	16,770
Expenses recorded due to changes in fair value			30
Balance at December 31, 2021			$	16,800

The following table presents the fair value and the change in fair value for the embedded conversion derivative (in thousands):

Embedded conversion derivative
Fair value as of September 30, 2021			$	48,208
Change in fair value			(5,387)
Fair value as of December 31, 2021			$	42,821

Schedule of Interest Costs Recognized Related to 2026 Notes

The following table presents the total amount of interest cost recognized relating to the 2026 Notes (in thousands):

			Three Months Ended December 31,
			2021						2020
Contractual interest expense			$	293					$	—
Amortization of debt discount and issuance costs			1,715						—
Total interest expense recognized			$	2,008					$	—

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