Related Party Transactions (Details) - USD ($)	3 Months Ended		6 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021	Sep. 30, 2021
Related Party Transactions [Abstract]
Due to related parties	$ 400,000		$ 400,000		$ 1,000,000.0
Due from related parties	800,000		800,000		$ 32,368
Affiliated Entities [Member]
Related Party Transactions [Abstract]
Purchase of inventories	25,000,000.0	$ 21,300,000	58,200,000	$ 36,400,000
Expenses incurred	600,000	500,000	1,300,000	1,100,000
Affiliated Entities and Individuals [Member]
Related Party Transactions [Abstract]
Fees received for goods and services	$ 4,800,000	1,300,000	4,900,000	1,400,000
Payments and fees, related party		$ 100,000	$ 100,000	$ 100,000