Summary of Significant Accounting Policies, Revenue Recognition (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Sep. 30, 2021
Contract Asset [Abstract]
Contract asset	$ 3,800		$ 3,800		$ 2,300
Contract Liability [Abstract]
Beginning contract liability	63,514		46,610
Revenue recognized from contract liabilities included in the beginning balance	(35,337)		(42,595)
Increases due to cash received, net of amounts recognized in revenue during the period	37,343		61,505
Ending contract liability	$ 65,520		$ 65,520
Timing of Revenue [Abstract]
Percentage on Timing of Revenue Recognition	100.00%	100.00%	100.00%	100.00%
Goods and Services Transferred at a Point in Time [Member]
Timing of Revenue [Abstract]
Percentage on Timing of Revenue Recognition	95.00%	94.40%	94.60%	94.10%
Goods and Services Transferred Over Time [Member]
Timing of Revenue [Abstract]
Percentage on Timing of Revenue Recognition	5.00%	5.60%	5.40%	5.90%