CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (7,970)	$ 11,428
Other comprehensive (loss) income:
Foreign currency translation adjustment	(9)	11
Comprehensive (loss) income	(7,979)	11,439
Net (income) attributable to non-controlling interests	(119)	(1,365)
Net loss (income) attributable to non-controlling interests of One Water Marine Holdings, LLC	919	(1,163)
Foreign currency translation adjustment attributable to non-controlling interest of One Water Marine Holdings, LLC	1	(1)
Comprehensive (loss) income attributable to OneWater Marine Inc.	$ (7,178)	$ 8,910