Long-Term Debt and Lines of Credit - Schedule of interest costs expensed and capitalized (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Debt Disclosure [Abstract]
Interest expense	$ 1,605	$ 1,148
Interest capitalized	303	281
Total	$ 1,908	$ 1,429