Goodwill and Other Intangible Assets - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Sep. 30, 2022
Goodwill And Other Intangible Assets [Line Items]
Goodwill	$ 736		$ 736
Other intangible assets	12,583		$ 12,583
Amortization expense	238	$ 446
Aquana, LLC | Adjacent Markets
Goodwill And Other Intangible Assets [Line Items]
Goodwill	700
Other intangible assets	600
Aquana, LLC | Emerging Markets
Goodwill And Other Intangible Assets [Line Items]
Other intangible assets	3,300
Aquana, LLC | Oil and Gas Markets
Goodwill And Other Intangible Assets [Line Items]
Other intangible assets	$ 1,400