Long-Term Debt and Lines of Credit - Schedule of Interest Costs Expensed and Capitalized (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Debt Disclosure [Abstract]
Interest expense	$ 870	$ 1,089	$ 1,771	$ 2,278
Interest capitalized	328	349	631	661
Total	$ 1,198	$ 1,438	$ 2,402	$ 2,939