CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Statement of Comprehensive Income [Abstract]
Net income	$ 16,714	$ 33,290	$ 4,235	$ 71,755
Other comprehensive (loss) income:
Foreign currency translation adjustment	6	(4)	1	15
Comprehensive income	16,720	33,286	4,236	71,770
Net (income) attributable to non-controlling interests	0	(938)	(119)	(3,468)
Net income attributable to non-controlling interests of One Water Marine Holdings, LLC	(2,031)	(3,782)	(572)	(8,013)
Foreign currency translation adjustment attributable to non-controlling interest of One Water Marine Holdings, LLC	(1)	0	0	(2)
Comprehensive income attributable to OneWater Marine Inc.	$ 14,688	$ 28,566	$ 3,545	$ 60,287