Fair Value Measurements (Tables)

3 Months Ended

Dec. 31, 2022

Fair Value Disclosures [Abstract]

Schedule of Financial Assets, Temporary Equity, and Liabilities Not Measured at Fair Value in the Consolidated Balance Sheet

The tables below present our estimates of fair value of financial assets and liabilities that were not measured at fair value:

	Carrying Value		Estimated Fair Value
	December 31, 2022		December 31, 2022		Fair Value Measurement Using
(in thousands)					Level 1		Level 2		Level 3
Financial assets:
2.89% promissory note receivable due April 2024	$	1,224	$	1,224	$	—	$	—	$	1,224
12.00% promissory note receivable from Founders	15,100		15,100		—		—		15,100
Investments in unconsolidated affiliates	37,789		43,497		43,497		—		—
Other investments	39,220		39,220		—		—		39,220
Financial liabilities:
2024 Convertible Notes	$	34,143	$	35,851	$	—	$	35,851	$	—
2025 Convertible Notes	102,192		89,883		—		89,883		—
2029 Convertible Notes	222,649		225,975		—		225,975		—

	Carrying Value		Estimated Fair Value
	December 31, 2021		December 31, 2021		Fair Value Measurement Using
(in thousands)					Level 1		Level 2		Level 3
Financial assets:
2.89% promissory note receivable due April 2024	$	1,190	$	1,190	$	—	$	—	$	1,190
Investments in unconsolidated affiliates	42,513		52,671		45,650		—		7,021
Other investments	16,500		16,500		—		—		16,500
Financial liabilities:
2024 Convertible Notes	$	142,106	$	147,063	$	—	$	147,063	$	—
2025 Convertible Notes	169,738		155,060		—		155,060		—

	Carrying Value		Estimated Fair Value
	September 30, 2022		September 30, 2022		Fair Value Measurement Using
(in thousands)					Level 1		Level 2		Level 3
Financial assets:
2.89% promissory note receivable due April 2024	$	1,215	$	1,215	$	—	$	—	$	1,215
Investments in unconsolidated affiliates	37,733		40,279		40,279		—		—
Other investments	24,220		24,220		—		—		24,220
Financial liabilities:
2024 Convertible Notes	$	142,575	$	157,727	$	—	$	157,727	$	—
2025 Convertible Notes	170,328		147,488		—		147,488		—